2 * MIPS32 emulation for qemu: main translation routines.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
7 * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
32 #include "qemu-common.h"
38 //#define MIPS_DEBUG_DISAS
39 //#define MIPS_DEBUG_SIGN_EXTENSIONS
41 /* MIPS major opcodes */
42 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
45 /* indirect opcode tables */
46 OPC_SPECIAL = (0x00 << 26),
47 OPC_REGIMM = (0x01 << 26),
48 OPC_CP0 = (0x10 << 26),
49 OPC_CP1 = (0x11 << 26),
50 OPC_CP2 = (0x12 << 26),
51 OPC_CP3 = (0x13 << 26),
52 OPC_SPECIAL2 = (0x1C << 26),
53 OPC_SPECIAL3 = (0x1F << 26),
54 /* arithmetic with immediate */
55 OPC_ADDI = (0x08 << 26),
56 OPC_ADDIU = (0x09 << 26),
57 OPC_SLTI = (0x0A << 26),
58 OPC_SLTIU = (0x0B << 26),
59 /* logic with immediate */
60 OPC_ANDI = (0x0C << 26),
61 OPC_ORI = (0x0D << 26),
62 OPC_XORI = (0x0E << 26),
63 OPC_LUI = (0x0F << 26),
64 /* arithmetic with immediate */
65 OPC_DADDI = (0x18 << 26),
66 OPC_DADDIU = (0x19 << 26),
67 /* Jump and branches */
69 OPC_JAL = (0x03 << 26),
70 OPC_JALS = OPC_JAL | 0x5,
71 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
72 OPC_BEQL = (0x14 << 26),
73 OPC_BNE = (0x05 << 26),
74 OPC_BNEL = (0x15 << 26),
75 OPC_BLEZ = (0x06 << 26),
76 OPC_BLEZL = (0x16 << 26),
77 OPC_BGTZ = (0x07 << 26),
78 OPC_BGTZL = (0x17 << 26),
79 OPC_JALX = (0x1D << 26), /* MIPS 16 only */
80 OPC_JALXS = OPC_JALX | 0x5,
82 OPC_LDL = (0x1A << 26),
83 OPC_LDR = (0x1B << 26),
84 OPC_LB = (0x20 << 26),
85 OPC_LH = (0x21 << 26),
86 OPC_LWL = (0x22 << 26),
87 OPC_LW = (0x23 << 26),
88 OPC_LWPC = OPC_LW | 0x5,
89 OPC_LBU = (0x24 << 26),
90 OPC_LHU = (0x25 << 26),
91 OPC_LWR = (0x26 << 26),
92 OPC_LWU = (0x27 << 26),
93 OPC_SB = (0x28 << 26),
94 OPC_SH = (0x29 << 26),
95 OPC_SWL = (0x2A << 26),
96 OPC_SW = (0x2B << 26),
97 OPC_SDL = (0x2C << 26),
98 OPC_SDR = (0x2D << 26),
99 OPC_SWR = (0x2E << 26),
100 OPC_LL = (0x30 << 26),
101 OPC_LLD = (0x34 << 26),
102 OPC_LD = (0x37 << 26),
103 OPC_LDPC = OPC_LD | 0x5,
104 OPC_SC = (0x38 << 26),
105 OPC_SCD = (0x3C << 26),
106 OPC_SD = (0x3F << 26),
107 /* Floating point load/store */
108 OPC_LWC1 = (0x31 << 26),
109 OPC_LWC2 = (0x32 << 26),
110 OPC_LDC1 = (0x35 << 26),
111 OPC_LDC2 = (0x36 << 26),
112 OPC_SWC1 = (0x39 << 26),
113 OPC_SWC2 = (0x3A << 26),
114 OPC_SDC1 = (0x3D << 26),
115 OPC_SDC2 = (0x3E << 26),
116 /* MDMX ASE specific */
117 OPC_MDMX = (0x1E << 26),
118 /* Cache and prefetch */
119 OPC_CACHE = (0x2F << 26),
120 OPC_PREF = (0x33 << 26),
121 /* Reserved major opcode */
122 OPC_MAJOR3B_RESERVED = (0x3B << 26),
125 /* MIPS special opcodes */
126 #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
130 OPC_SLL = 0x00 | OPC_SPECIAL,
131 /* NOP is SLL r0, r0, 0 */
132 /* SSNOP is SLL r0, r0, 1 */
133 /* EHB is SLL r0, r0, 3 */
134 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
135 OPC_ROTR = OPC_SRL | (1 << 21),
136 OPC_SRA = 0x03 | OPC_SPECIAL,
137 OPC_SLLV = 0x04 | OPC_SPECIAL,
138 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
139 OPC_ROTRV = OPC_SRLV | (1 << 6),
140 OPC_SRAV = 0x07 | OPC_SPECIAL,
141 OPC_DSLLV = 0x14 | OPC_SPECIAL,
142 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
143 OPC_DROTRV = OPC_DSRLV | (1 << 6),
144 OPC_DSRAV = 0x17 | OPC_SPECIAL,
145 OPC_DSLL = 0x38 | OPC_SPECIAL,
146 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
147 OPC_DROTR = OPC_DSRL | (1 << 21),
148 OPC_DSRA = 0x3B | OPC_SPECIAL,
149 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
150 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
151 OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
152 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
153 /* Multiplication / division */
154 OPC_MULT = 0x18 | OPC_SPECIAL,
155 OPC_MULTU = 0x19 | OPC_SPECIAL,
156 OPC_DIV = 0x1A | OPC_SPECIAL,
157 OPC_DIVU = 0x1B | OPC_SPECIAL,
158 OPC_DMULT = 0x1C | OPC_SPECIAL,
159 OPC_DMULTU = 0x1D | OPC_SPECIAL,
160 OPC_DDIV = 0x1E | OPC_SPECIAL,
161 OPC_DDIVU = 0x1F | OPC_SPECIAL,
162 /* 2 registers arithmetic / logic */
163 OPC_ADD = 0x20 | OPC_SPECIAL,
164 OPC_ADDU = 0x21 | OPC_SPECIAL,
165 OPC_SUB = 0x22 | OPC_SPECIAL,
166 OPC_SUBU = 0x23 | OPC_SPECIAL,
167 OPC_AND = 0x24 | OPC_SPECIAL,
168 OPC_OR = 0x25 | OPC_SPECIAL,
169 OPC_XOR = 0x26 | OPC_SPECIAL,
170 OPC_NOR = 0x27 | OPC_SPECIAL,
171 OPC_SLT = 0x2A | OPC_SPECIAL,
172 OPC_SLTU = 0x2B | OPC_SPECIAL,
173 OPC_DADD = 0x2C | OPC_SPECIAL,
174 OPC_DADDU = 0x2D | OPC_SPECIAL,
175 OPC_DSUB = 0x2E | OPC_SPECIAL,
176 OPC_DSUBU = 0x2F | OPC_SPECIAL,
178 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
179 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
180 OPC_JALRC = OPC_JALR | (0x5 << 6),
181 OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6),
183 OPC_TGE = 0x30 | OPC_SPECIAL,
184 OPC_TGEU = 0x31 | OPC_SPECIAL,
185 OPC_TLT = 0x32 | OPC_SPECIAL,
186 OPC_TLTU = 0x33 | OPC_SPECIAL,
187 OPC_TEQ = 0x34 | OPC_SPECIAL,
188 OPC_TNE = 0x36 | OPC_SPECIAL,
189 /* HI / LO registers load & stores */
190 OPC_MFHI = 0x10 | OPC_SPECIAL,
191 OPC_MTHI = 0x11 | OPC_SPECIAL,
192 OPC_MFLO = 0x12 | OPC_SPECIAL,
193 OPC_MTLO = 0x13 | OPC_SPECIAL,
194 /* Conditional moves */
195 OPC_MOVZ = 0x0A | OPC_SPECIAL,
196 OPC_MOVN = 0x0B | OPC_SPECIAL,
198 OPC_MOVCI = 0x01 | OPC_SPECIAL,
201 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
202 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
203 OPC_BREAK = 0x0D | OPC_SPECIAL,
204 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
205 OPC_SYNC = 0x0F | OPC_SPECIAL,
207 OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
208 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
209 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
210 OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
211 OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
212 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
213 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
216 /* Multiplication variants of the vr54xx. */
217 #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
220 OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
221 OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
222 OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
223 OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
224 OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
225 OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
226 OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
227 OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
228 OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
229 OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
230 OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
231 OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
232 OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
233 OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
236 /* REGIMM (rt field) opcodes */
237 #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
240 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
241 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
242 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
243 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
244 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
245 OPC_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */
246 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
247 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
248 OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */
249 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
250 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
251 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
252 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
253 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
254 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
255 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
256 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
259 /* Special2 opcodes */
260 #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
263 /* Multiply & xxx operations */
264 OPC_MADD = 0x00 | OPC_SPECIAL2,
265 OPC_MADDU = 0x01 | OPC_SPECIAL2,
266 OPC_MUL = 0x02 | OPC_SPECIAL2,
267 OPC_MSUB = 0x04 | OPC_SPECIAL2,
268 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
270 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
271 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
272 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
273 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
274 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
275 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
276 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
277 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
278 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
279 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
280 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
281 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
283 OPC_CLZ = 0x20 | OPC_SPECIAL2,
284 OPC_CLO = 0x21 | OPC_SPECIAL2,
285 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
286 OPC_DCLO = 0x25 | OPC_SPECIAL2,
288 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
291 /* Special3 opcodes */
292 #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
295 OPC_EXT = 0x00 | OPC_SPECIAL3,
296 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
297 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
298 OPC_DEXT = 0x03 | OPC_SPECIAL3,
299 OPC_INS = 0x04 | OPC_SPECIAL3,
300 OPC_DINSM = 0x05 | OPC_SPECIAL3,
301 OPC_DINSU = 0x06 | OPC_SPECIAL3,
302 OPC_DINS = 0x07 | OPC_SPECIAL3,
303 OPC_FORK = 0x08 | OPC_SPECIAL3,
304 OPC_YIELD = 0x09 | OPC_SPECIAL3,
305 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
306 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
307 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
310 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
311 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
312 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
313 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
314 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
315 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
316 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
317 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
318 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
319 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
320 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
321 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
325 #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
328 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
329 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
330 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
334 #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
337 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
338 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
341 /* Coprocessor 0 (rs field) */
342 #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
345 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
346 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
347 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
348 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
349 OPC_MFTR = (0x08 << 21) | OPC_CP0,
350 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
351 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
352 OPC_MTTR = (0x0C << 21) | OPC_CP0,
353 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
354 OPC_C0 = (0x10 << 21) | OPC_CP0,
355 OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
356 OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
360 #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF)
363 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
364 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
365 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
366 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
367 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
368 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
371 /* Coprocessor 0 (with rs == C0) */
372 #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
375 OPC_TLBR = 0x01 | OPC_C0,
376 OPC_TLBWI = 0x02 | OPC_C0,
377 OPC_TLBWR = 0x06 | OPC_C0,
378 OPC_TLBP = 0x08 | OPC_C0,
379 OPC_RFE = 0x10 | OPC_C0,
380 OPC_ERET = 0x18 | OPC_C0,
381 OPC_DERET = 0x1F | OPC_C0,
382 OPC_WAIT = 0x20 | OPC_C0,
385 /* Coprocessor 1 (rs field) */
386 #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
388 /* Values for the fmt field in FP instructions */
390 /* 0 - 15 are reserved */
391 FMT_S = 16, /* single fp */
392 FMT_D = 17, /* double fp */
393 FMT_E = 18, /* extended fp */
394 FMT_Q = 19, /* quad fp */
395 FMT_W = 20, /* 32-bit fixed */
396 FMT_L = 21, /* 64-bit fixed */
397 FMT_PS = 22, /* paired single fp */
398 /* 23 - 31 are reserved */
402 OPC_MFC1 = (0x00 << 21) | OPC_CP1,
403 OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
404 OPC_CFC1 = (0x02 << 21) | OPC_CP1,
405 OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
406 OPC_MTC1 = (0x04 << 21) | OPC_CP1,
407 OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
408 OPC_CTC1 = (0x06 << 21) | OPC_CP1,
409 OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
410 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
411 OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
412 OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
413 OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
414 OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
415 OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
416 OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
417 OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
418 OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
419 OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
422 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
423 #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
426 OPC_BC1F = (0x00 << 16) | OPC_BC1,
427 OPC_BC1T = (0x01 << 16) | OPC_BC1,
428 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
429 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
433 OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
434 OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
438 OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
439 OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
442 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
445 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
446 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
447 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
448 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
449 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
450 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
451 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
452 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
453 OPC_BC2 = (0x08 << 21) | OPC_CP2,
456 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
459 OPC_LWXC1 = 0x00 | OPC_CP3,
460 OPC_LDXC1 = 0x01 | OPC_CP3,
461 OPC_LUXC1 = 0x05 | OPC_CP3,
462 OPC_SWXC1 = 0x08 | OPC_CP3,
463 OPC_SDXC1 = 0x09 | OPC_CP3,
464 OPC_SUXC1 = 0x0D | OPC_CP3,
465 OPC_PREFX = 0x0F | OPC_CP3,
466 OPC_ALNV_PS = 0x1E | OPC_CP3,
467 OPC_MADD_S = 0x20 | OPC_CP3,
468 OPC_MADD_D = 0x21 | OPC_CP3,
469 OPC_MADD_PS = 0x26 | OPC_CP3,
470 OPC_MSUB_S = 0x28 | OPC_CP3,
471 OPC_MSUB_D = 0x29 | OPC_CP3,
472 OPC_MSUB_PS = 0x2E | OPC_CP3,
473 OPC_NMADD_S = 0x30 | OPC_CP3,
474 OPC_NMADD_D = 0x31 | OPC_CP3,
475 OPC_NMADD_PS= 0x36 | OPC_CP3,
476 OPC_NMSUB_S = 0x38 | OPC_CP3,
477 OPC_NMSUB_D = 0x39 | OPC_CP3,
478 OPC_NMSUB_PS= 0x3E | OPC_CP3,
481 /* global register indices */
482 static TCGv_ptr cpu_env;
483 static TCGv cpu_gpr[32], cpu_PC;
484 static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
485 static TCGv cpu_dspctrl, btarget, bcond;
486 static TCGv_i32 hflags;
487 static TCGv_i32 fpu_fcr0, fpu_fcr31;
489 static uint32_t gen_opc_hflags[OPC_BUF_SIZE];
491 #include "gen-icount.h"
493 #define gen_helper_0i(name, arg) do { \
494 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
495 gen_helper_##name(helper_tmp); \
496 tcg_temp_free_i32(helper_tmp); \
499 #define gen_helper_1i(name, arg1, arg2) do { \
500 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
501 gen_helper_##name(arg1, helper_tmp); \
502 tcg_temp_free_i32(helper_tmp); \
505 #define gen_helper_2i(name, arg1, arg2, arg3) do { \
506 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
507 gen_helper_##name(arg1, arg2, helper_tmp); \
508 tcg_temp_free_i32(helper_tmp); \
511 #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \
512 TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
513 gen_helper_##name(arg1, arg2, arg3, helper_tmp); \
514 tcg_temp_free_i32(helper_tmp); \
517 typedef struct DisasContext {
518 struct TranslationBlock *tb;
519 target_ulong pc, saved_pc;
521 int singlestep_enabled;
522 /* Routine used to access memory */
524 uint32_t hflags, saved_hflags;
526 target_ulong btarget;
530 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
531 * exception condition */
532 BS_STOP = 1, /* We want to stop translation for any reason */
533 BS_BRANCH = 2, /* We reached a branch condition */
534 BS_EXCP = 3, /* We reached an exception condition */
537 static const char *regnames[] =
538 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
539 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
540 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
541 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
543 static const char *regnames_HI[] =
544 { "HI0", "HI1", "HI2", "HI3", };
546 static const char *regnames_LO[] =
547 { "LO0", "LO1", "LO2", "LO3", };
549 static const char *regnames_ACX[] =
550 { "ACX0", "ACX1", "ACX2", "ACX3", };
552 static const char *fregnames[] =
553 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
554 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
555 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
556 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
558 #ifdef MIPS_DEBUG_DISAS
559 #define MIPS_DEBUG(fmt, ...) \
560 qemu_log_mask(CPU_LOG_TB_IN_ASM, \
561 TARGET_FMT_lx ": %08x " fmt "\n", \
562 ctx->pc, ctx->opcode , ## __VA_ARGS__)
563 #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
565 #define MIPS_DEBUG(fmt, ...) do { } while(0)
566 #define LOG_DISAS(...) do { } while (0)
569 #define MIPS_INVAL(op) \
571 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
572 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
575 /* General purpose registers moves. */
576 static inline void gen_load_gpr (TCGv t, int reg)
579 tcg_gen_movi_tl(t, 0);
581 tcg_gen_mov_tl(t, cpu_gpr[reg]);
584 static inline void gen_store_gpr (TCGv t, int reg)
587 tcg_gen_mov_tl(cpu_gpr[reg], t);
590 /* Moves to/from ACX register. */
591 static inline void gen_load_ACX (TCGv t, int reg)
593 tcg_gen_mov_tl(t, cpu_ACX[reg]);
596 static inline void gen_store_ACX (TCGv t, int reg)
598 tcg_gen_mov_tl(cpu_ACX[reg], t);
601 /* Moves to/from shadow registers. */
602 static inline void gen_load_srsgpr (int from, int to)
604 TCGv t0 = tcg_temp_new();
607 tcg_gen_movi_tl(t0, 0);
609 TCGv_i32 t2 = tcg_temp_new_i32();
610 TCGv_ptr addr = tcg_temp_new_ptr();
612 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
613 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
614 tcg_gen_andi_i32(t2, t2, 0xf);
615 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
616 tcg_gen_ext_i32_ptr(addr, t2);
617 tcg_gen_add_ptr(addr, cpu_env, addr);
619 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
620 tcg_temp_free_ptr(addr);
621 tcg_temp_free_i32(t2);
623 gen_store_gpr(t0, to);
627 static inline void gen_store_srsgpr (int from, int to)
630 TCGv t0 = tcg_temp_new();
631 TCGv_i32 t2 = tcg_temp_new_i32();
632 TCGv_ptr addr = tcg_temp_new_ptr();
634 gen_load_gpr(t0, from);
635 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
636 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
637 tcg_gen_andi_i32(t2, t2, 0xf);
638 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
639 tcg_gen_ext_i32_ptr(addr, t2);
640 tcg_gen_add_ptr(addr, cpu_env, addr);
642 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
643 tcg_temp_free_ptr(addr);
644 tcg_temp_free_i32(t2);
649 /* Floating point register moves. */
650 static inline void gen_load_fpr32 (TCGv_i32 t, int reg)
652 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
655 static inline void gen_store_fpr32 (TCGv_i32 t, int reg)
657 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
660 static inline void gen_load_fpr32h (TCGv_i32 t, int reg)
662 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
665 static inline void gen_store_fpr32h (TCGv_i32 t, int reg)
667 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
670 static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
672 if (ctx->hflags & MIPS_HFLAG_F64) {
673 tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
675 TCGv_i32 t0 = tcg_temp_new_i32();
676 TCGv_i32 t1 = tcg_temp_new_i32();
677 gen_load_fpr32(t0, reg & ~1);
678 gen_load_fpr32(t1, reg | 1);
679 tcg_gen_concat_i32_i64(t, t0, t1);
680 tcg_temp_free_i32(t0);
681 tcg_temp_free_i32(t1);
685 static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
687 if (ctx->hflags & MIPS_HFLAG_F64) {
688 tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
690 TCGv_i64 t0 = tcg_temp_new_i64();
691 TCGv_i32 t1 = tcg_temp_new_i32();
692 tcg_gen_trunc_i64_i32(t1, t);
693 gen_store_fpr32(t1, reg & ~1);
694 tcg_gen_shri_i64(t0, t, 32);
695 tcg_gen_trunc_i64_i32(t1, t0);
696 gen_store_fpr32(t1, reg | 1);
697 tcg_temp_free_i32(t1);
698 tcg_temp_free_i64(t0);
702 static inline int get_fp_bit (int cc)
711 static inline void gen_save_pc(target_ulong pc)
713 tcg_gen_movi_tl(cpu_PC, pc);
716 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
718 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
719 if (do_save_pc && ctx->pc != ctx->saved_pc) {
720 gen_save_pc(ctx->pc);
721 ctx->saved_pc = ctx->pc;
723 if (ctx->hflags != ctx->saved_hflags) {
724 tcg_gen_movi_i32(hflags, ctx->hflags);
725 ctx->saved_hflags = ctx->hflags;
726 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
732 tcg_gen_movi_tl(btarget, ctx->btarget);
738 static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
740 ctx->saved_hflags = ctx->hflags;
741 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
747 ctx->btarget = env->btarget;
753 generate_exception_err (DisasContext *ctx, int excp, int err)
755 TCGv_i32 texcp = tcg_const_i32(excp);
756 TCGv_i32 terr = tcg_const_i32(err);
757 save_cpu_state(ctx, 1);
758 gen_helper_raise_exception_err(texcp, terr);
759 tcg_temp_free_i32(terr);
760 tcg_temp_free_i32(texcp);
764 generate_exception (DisasContext *ctx, int excp)
766 save_cpu_state(ctx, 1);
767 gen_helper_0i(raise_exception, excp);
770 /* Addresses computation */
771 static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
773 tcg_gen_add_tl(ret, arg0, arg1);
775 #if defined(TARGET_MIPS64)
776 /* For compatibility with 32-bit code, data reference in user mode
777 with Status_UX = 0 should be casted to 32-bit and sign extended.
778 See the MIPS64 PRA manual, section 4.10. */
779 if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
780 !(ctx->hflags & MIPS_HFLAG_UX)) {
781 tcg_gen_ext32s_i64(ret, ret);
786 static inline void check_cp0_enabled(DisasContext *ctx)
788 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
789 generate_exception_err(ctx, EXCP_CpU, 0);
792 static inline void check_cp1_enabled(DisasContext *ctx)
794 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
795 generate_exception_err(ctx, EXCP_CpU, 1);
798 /* Verify that the processor is running with COP1X instructions enabled.
799 This is associated with the nabla symbol in the MIPS32 and MIPS64
802 static inline void check_cop1x(DisasContext *ctx)
804 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
805 generate_exception(ctx, EXCP_RI);
808 /* Verify that the processor is running with 64-bit floating-point
809 operations enabled. */
811 static inline void check_cp1_64bitmode(DisasContext *ctx)
813 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
814 generate_exception(ctx, EXCP_RI);
818 * Verify if floating point register is valid; an operation is not defined
819 * if bit 0 of any register specification is set and the FR bit in the
820 * Status register equals zero, since the register numbers specify an
821 * even-odd pair of adjacent coprocessor general registers. When the FR bit
822 * in the Status register equals one, both even and odd register numbers
823 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
825 * Multiple 64 bit wide registers can be checked by calling
826 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
828 static inline void check_cp1_registers(DisasContext *ctx, int regs)
830 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
831 generate_exception(ctx, EXCP_RI);
834 /* This code generates a "reserved instruction" exception if the
835 CPU does not support the instruction set corresponding to flags. */
836 static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
838 if (unlikely(!(env->insn_flags & flags)))
839 generate_exception(ctx, EXCP_RI);
842 /* This code generates a "reserved instruction" exception if 64-bit
843 instructions are not enabled. */
844 static inline void check_mips_64(DisasContext *ctx)
846 if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
847 generate_exception(ctx, EXCP_RI);
850 /* Define small wrappers for gen_load_fpr* so that we have a uniform
851 calling interface for 32 and 64-bit FPRs. No sense in changing
852 all callers for gen_load_fpr32 when we need the CTX parameter for
854 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y)
855 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
856 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \
857 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
858 int ft, int fs, int cc) \
860 TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \
861 TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \
864 check_cp1_64bitmode(ctx); \
870 check_cp1_registers(ctx, fs | ft); \
878 gen_ldcmp_fpr##bits (ctx, fp0, fs); \
879 gen_ldcmp_fpr##bits (ctx, fp1, ft); \
881 case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\
882 case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\
883 case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\
884 case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\
885 case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\
886 case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\
887 case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\
888 case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\
889 case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\
890 case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\
891 case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\
892 case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\
893 case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\
894 case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\
895 case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\
896 case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\
899 tcg_temp_free_i##bits (fp0); \
900 tcg_temp_free_i##bits (fp1); \
903 FOP_CONDS(, 0, d, FMT_D, 64)
904 FOP_CONDS(abs, 1, d, FMT_D, 64)
905 FOP_CONDS(, 0, s, FMT_S, 32)
906 FOP_CONDS(abs, 1, s, FMT_S, 32)
907 FOP_CONDS(, 0, ps, FMT_PS, 64)
908 FOP_CONDS(abs, 1, ps, FMT_PS, 64)
910 #undef gen_ldcmp_fpr32
911 #undef gen_ldcmp_fpr64
913 /* load/store instructions. */
914 #define OP_LD(insn,fname) \
915 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
917 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
924 #if defined(TARGET_MIPS64)
930 #define OP_ST(insn,fname) \
931 static inline void op_st_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \
933 tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \
938 #if defined(TARGET_MIPS64)
943 #ifdef CONFIG_USER_ONLY
944 #define OP_LD_ATOMIC(insn,fname) \
945 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
947 TCGv t0 = tcg_temp_new(); \
948 tcg_gen_mov_tl(t0, arg1); \
949 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
950 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
951 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \
955 #define OP_LD_ATOMIC(insn,fname) \
956 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
958 gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \
961 OP_LD_ATOMIC(ll,ld32s);
962 #if defined(TARGET_MIPS64)
963 OP_LD_ATOMIC(lld,ld64);
967 #ifdef CONFIG_USER_ONLY
968 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
969 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
971 TCGv t0 = tcg_temp_new(); \
972 int l1 = gen_new_label(); \
973 int l2 = gen_new_label(); \
975 tcg_gen_andi_tl(t0, arg2, almask); \
976 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
977 tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
978 generate_exception(ctx, EXCP_AdES); \
980 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
981 tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
982 tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \
983 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \
984 tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \
985 gen_helper_0i(raise_exception, EXCP_SC); \
987 tcg_gen_movi_tl(t0, 0); \
988 gen_store_gpr(t0, rt); \
992 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
993 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
995 TCGv t0 = tcg_temp_new(); \
996 gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \
997 gen_store_gpr(t0, rt); \
1001 OP_ST_ATOMIC(sc,st32,ld32s,0x3);
1002 #if defined(TARGET_MIPS64)
1003 OP_ST_ATOMIC(scd,st64,ld64,0x7);
1007 static void gen_base_offset_addr (DisasContext *ctx, TCGv addr,
1008 int base, int16_t offset)
1011 tcg_gen_movi_tl(addr, offset);
1012 } else if (offset == 0) {
1013 gen_load_gpr(addr, base);
1015 tcg_gen_movi_tl(addr, offset);
1016 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
1020 static target_ulong pc_relative_pc (DisasContext *ctx)
1022 target_ulong pc = ctx->pc;
1024 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1025 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
1030 pc &= ~(target_ulong)3;
1035 static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc,
1036 int rt, int base, int16_t offset)
1038 const char *opn = "ld";
1041 if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) {
1042 /* Loongson CPU uses a load to zero register for prefetch.
1043 We emulate it as a NOP. On other CPU we must perform the
1044 actual memory access. */
1049 t0 = tcg_temp_new();
1050 t1 = tcg_temp_new();
1051 gen_base_offset_addr(ctx, t0, base, offset);
1054 #if defined(TARGET_MIPS64)
1056 save_cpu_state(ctx, 0);
1057 op_ld_lwu(t0, t0, ctx);
1058 gen_store_gpr(t0, rt);
1062 save_cpu_state(ctx, 0);
1063 op_ld_ld(t0, t0, ctx);
1064 gen_store_gpr(t0, rt);
1068 save_cpu_state(ctx, 1);
1069 op_ld_lld(t0, t0, ctx);
1070 gen_store_gpr(t0, rt);
1074 save_cpu_state(ctx, 1);
1075 gen_load_gpr(t1, rt);
1076 gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx);
1077 gen_store_gpr(t1, rt);
1081 save_cpu_state(ctx, 1);
1082 gen_load_gpr(t1, rt);
1083 gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx);
1084 gen_store_gpr(t1, rt);
1088 save_cpu_state(ctx, 0);
1089 tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
1090 gen_op_addr_add(ctx, t0, t0, t1);
1091 op_ld_ld(t0, t0, ctx);
1092 gen_store_gpr(t0, rt);
1097 save_cpu_state(ctx, 0);
1098 tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
1099 gen_op_addr_add(ctx, t0, t0, t1);
1100 op_ld_lw(t0, t0, ctx);
1101 gen_store_gpr(t0, rt);
1105 save_cpu_state(ctx, 0);
1106 op_ld_lw(t0, t0, ctx);
1107 gen_store_gpr(t0, rt);
1111 save_cpu_state(ctx, 0);
1112 op_ld_lh(t0, t0, ctx);
1113 gen_store_gpr(t0, rt);
1117 save_cpu_state(ctx, 0);
1118 op_ld_lhu(t0, t0, ctx);
1119 gen_store_gpr(t0, rt);
1123 save_cpu_state(ctx, 0);
1124 op_ld_lb(t0, t0, ctx);
1125 gen_store_gpr(t0, rt);
1129 save_cpu_state(ctx, 0);
1130 op_ld_lbu(t0, t0, ctx);
1131 gen_store_gpr(t0, rt);
1135 save_cpu_state(ctx, 1);
1136 gen_load_gpr(t1, rt);
1137 gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx);
1138 gen_store_gpr(t1, rt);
1142 save_cpu_state(ctx, 1);
1143 gen_load_gpr(t1, rt);
1144 gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx);
1145 gen_store_gpr(t1, rt);
1149 save_cpu_state(ctx, 1);
1150 op_ld_ll(t0, t0, ctx);
1151 gen_store_gpr(t0, rt);
1155 (void)opn; /* avoid a compiler warning */
1156 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1162 static void gen_st (DisasContext *ctx, uint32_t opc, int rt,
1163 int base, int16_t offset)
1165 const char *opn = "st";
1166 TCGv t0 = tcg_temp_new();
1167 TCGv t1 = tcg_temp_new();
1169 gen_base_offset_addr(ctx, t0, base, offset);
1170 gen_load_gpr(t1, rt);
1172 #if defined(TARGET_MIPS64)
1174 save_cpu_state(ctx, 0);
1175 op_st_sd(t1, t0, ctx);
1179 save_cpu_state(ctx, 1);
1180 gen_helper_2i(sdl, t1, t0, ctx->mem_idx);
1184 save_cpu_state(ctx, 1);
1185 gen_helper_2i(sdr, t1, t0, ctx->mem_idx);
1190 save_cpu_state(ctx, 0);
1191 op_st_sw(t1, t0, ctx);
1195 save_cpu_state(ctx, 0);
1196 op_st_sh(t1, t0, ctx);
1200 save_cpu_state(ctx, 0);
1201 op_st_sb(t1, t0, ctx);
1205 save_cpu_state(ctx, 1);
1206 gen_helper_2i(swl, t1, t0, ctx->mem_idx);
1210 save_cpu_state(ctx, 1);
1211 gen_helper_2i(swr, t1, t0, ctx->mem_idx);
1215 (void)opn; /* avoid a compiler warning */
1216 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1222 /* Store conditional */
1223 static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
1224 int base, int16_t offset)
1226 const char *opn = "st_cond";
1229 t0 = tcg_temp_local_new();
1231 gen_base_offset_addr(ctx, t0, base, offset);
1232 /* Don't do NOP if destination is zero: we must perform the actual
1235 t1 = tcg_temp_local_new();
1236 gen_load_gpr(t1, rt);
1238 #if defined(TARGET_MIPS64)
1240 save_cpu_state(ctx, 1);
1241 op_st_scd(t1, t0, rt, ctx);
1246 save_cpu_state(ctx, 1);
1247 op_st_sc(t1, t0, rt, ctx);
1251 (void)opn; /* avoid a compiler warning */
1252 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1257 /* Load and store */
1258 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
1259 int base, int16_t offset)
1261 const char *opn = "flt_ldst";
1262 TCGv t0 = tcg_temp_new();
1264 gen_base_offset_addr(ctx, t0, base, offset);
1265 /* Don't do NOP if destination is zero: we must perform the actual
1270 TCGv_i32 fp0 = tcg_temp_new_i32();
1272 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
1273 tcg_gen_trunc_tl_i32(fp0, t0);
1274 gen_store_fpr32(fp0, ft);
1275 tcg_temp_free_i32(fp0);
1281 TCGv_i32 fp0 = tcg_temp_new_i32();
1282 TCGv t1 = tcg_temp_new();
1284 gen_load_fpr32(fp0, ft);
1285 tcg_gen_extu_i32_tl(t1, fp0);
1286 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
1288 tcg_temp_free_i32(fp0);
1294 TCGv_i64 fp0 = tcg_temp_new_i64();
1296 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
1297 gen_store_fpr64(ctx, fp0, ft);
1298 tcg_temp_free_i64(fp0);
1304 TCGv_i64 fp0 = tcg_temp_new_i64();
1306 gen_load_fpr64(ctx, fp0, ft);
1307 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
1308 tcg_temp_free_i64(fp0);
1314 generate_exception(ctx, EXCP_RI);
1317 (void)opn; /* avoid a compiler warning */
1318 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
1323 static void gen_cop1_ldst(CPUState *env, DisasContext *ctx,
1324 uint32_t op, int rt, int rs, int16_t imm)
1326 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
1327 check_cp1_enabled(ctx);
1328 gen_flt_ldst(ctx, op, rt, rs, imm);
1330 generate_exception_err(ctx, EXCP_CpU, 1);
1334 /* Arithmetic with immediate operand */
1335 static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
1336 int rt, int rs, int16_t imm)
1338 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1339 const char *opn = "imm arith";
1341 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
1342 /* If no destination, treat it as a NOP.
1343 For addi, we must generate the overflow exception when needed. */
1350 TCGv t0 = tcg_temp_local_new();
1351 TCGv t1 = tcg_temp_new();
1352 TCGv t2 = tcg_temp_new();
1353 int l1 = gen_new_label();
1355 gen_load_gpr(t1, rs);
1356 tcg_gen_addi_tl(t0, t1, uimm);
1357 tcg_gen_ext32s_tl(t0, t0);
1359 tcg_gen_xori_tl(t1, t1, ~uimm);
1360 tcg_gen_xori_tl(t2, t0, uimm);
1361 tcg_gen_and_tl(t1, t1, t2);
1363 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1365 /* operands of same sign, result different sign */
1366 generate_exception(ctx, EXCP_OVERFLOW);
1368 tcg_gen_ext32s_tl(t0, t0);
1369 gen_store_gpr(t0, rt);
1376 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1377 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
1379 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1383 #if defined(TARGET_MIPS64)
1386 TCGv t0 = tcg_temp_local_new();
1387 TCGv t1 = tcg_temp_new();
1388 TCGv t2 = tcg_temp_new();
1389 int l1 = gen_new_label();
1391 gen_load_gpr(t1, rs);
1392 tcg_gen_addi_tl(t0, t1, uimm);
1394 tcg_gen_xori_tl(t1, t1, ~uimm);
1395 tcg_gen_xori_tl(t2, t0, uimm);
1396 tcg_gen_and_tl(t1, t1, t2);
1398 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1400 /* operands of same sign, result different sign */
1401 generate_exception(ctx, EXCP_OVERFLOW);
1403 gen_store_gpr(t0, rt);
1410 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1412 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1418 (void)opn; /* avoid a compiler warning */
1419 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1422 /* Logic with immediate operand */
1423 static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1426 const char *opn = "imm logic";
1429 /* If no destination, treat it as a NOP. */
1433 uimm = (uint16_t)imm;
1436 if (likely(rs != 0))
1437 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1439 tcg_gen_movi_tl(cpu_gpr[rt], 0);
1444 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1446 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1450 if (likely(rs != 0))
1451 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1453 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1457 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
1461 (void)opn; /* avoid a compiler warning */
1462 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1465 /* Set on less than with immediate operand */
1466 static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1468 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1469 const char *opn = "imm arith";
1473 /* If no destination, treat it as a NOP. */
1477 t0 = tcg_temp_new();
1478 gen_load_gpr(t0, rs);
1481 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
1485 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
1489 (void)opn; /* avoid a compiler warning */
1490 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1494 /* Shifts with immediate operand */
1495 static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc,
1496 int rt, int rs, int16_t imm)
1498 target_ulong uimm = ((uint16_t)imm) & 0x1f;
1499 const char *opn = "imm shift";
1503 /* If no destination, treat it as a NOP. */
1508 t0 = tcg_temp_new();
1509 gen_load_gpr(t0, rs);
1512 tcg_gen_shli_tl(t0, t0, uimm);
1513 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1517 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1522 tcg_gen_ext32u_tl(t0, t0);
1523 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1525 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1531 TCGv_i32 t1 = tcg_temp_new_i32();
1533 tcg_gen_trunc_tl_i32(t1, t0);
1534 tcg_gen_rotri_i32(t1, t1, uimm);
1535 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
1536 tcg_temp_free_i32(t1);
1538 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1542 #if defined(TARGET_MIPS64)
1544 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
1548 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1552 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1557 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
1559 tcg_gen_mov_tl(cpu_gpr[rt], t0);
1564 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
1568 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
1572 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
1576 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
1581 (void)opn; /* avoid a compiler warning */
1582 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1587 static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
1588 int rd, int rs, int rt)
1590 const char *opn = "arith";
1592 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1593 && opc != OPC_DADD && opc != OPC_DSUB) {
1594 /* If no destination, treat it as a NOP.
1595 For add & sub, we must generate the overflow exception when needed. */
1603 TCGv t0 = tcg_temp_local_new();
1604 TCGv t1 = tcg_temp_new();
1605 TCGv t2 = tcg_temp_new();
1606 int l1 = gen_new_label();
1608 gen_load_gpr(t1, rs);
1609 gen_load_gpr(t2, rt);
1610 tcg_gen_add_tl(t0, t1, t2);
1611 tcg_gen_ext32s_tl(t0, t0);
1612 tcg_gen_xor_tl(t1, t1, t2);
1613 tcg_gen_xor_tl(t2, t0, t2);
1614 tcg_gen_andc_tl(t1, t2, t1);
1616 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1618 /* operands of same sign, result different sign */
1619 generate_exception(ctx, EXCP_OVERFLOW);
1621 gen_store_gpr(t0, rd);
1627 if (rs != 0 && rt != 0) {
1628 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1629 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1630 } else if (rs == 0 && rt != 0) {
1631 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1632 } else if (rs != 0 && rt == 0) {
1633 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1635 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1641 TCGv t0 = tcg_temp_local_new();
1642 TCGv t1 = tcg_temp_new();
1643 TCGv t2 = tcg_temp_new();
1644 int l1 = gen_new_label();
1646 gen_load_gpr(t1, rs);
1647 gen_load_gpr(t2, rt);
1648 tcg_gen_sub_tl(t0, t1, t2);
1649 tcg_gen_ext32s_tl(t0, t0);
1650 tcg_gen_xor_tl(t2, t1, t2);
1651 tcg_gen_xor_tl(t1, t0, t1);
1652 tcg_gen_and_tl(t1, t1, t2);
1654 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1656 /* operands of different sign, first operand and result different sign */
1657 generate_exception(ctx, EXCP_OVERFLOW);
1659 gen_store_gpr(t0, rd);
1665 if (rs != 0 && rt != 0) {
1666 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1667 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1668 } else if (rs == 0 && rt != 0) {
1669 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1670 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1671 } else if (rs != 0 && rt == 0) {
1672 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1674 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1678 #if defined(TARGET_MIPS64)
1681 TCGv t0 = tcg_temp_local_new();
1682 TCGv t1 = tcg_temp_new();
1683 TCGv t2 = tcg_temp_new();
1684 int l1 = gen_new_label();
1686 gen_load_gpr(t1, rs);
1687 gen_load_gpr(t2, rt);
1688 tcg_gen_add_tl(t0, t1, t2);
1689 tcg_gen_xor_tl(t1, t1, t2);
1690 tcg_gen_xor_tl(t2, t0, t2);
1691 tcg_gen_andc_tl(t1, t2, t1);
1693 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1695 /* operands of same sign, result different sign */
1696 generate_exception(ctx, EXCP_OVERFLOW);
1698 gen_store_gpr(t0, rd);
1704 if (rs != 0 && rt != 0) {
1705 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1706 } else if (rs == 0 && rt != 0) {
1707 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1708 } else if (rs != 0 && rt == 0) {
1709 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1711 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1717 TCGv t0 = tcg_temp_local_new();
1718 TCGv t1 = tcg_temp_new();
1719 TCGv t2 = tcg_temp_new();
1720 int l1 = gen_new_label();
1722 gen_load_gpr(t1, rs);
1723 gen_load_gpr(t2, rt);
1724 tcg_gen_sub_tl(t0, t1, t2);
1725 tcg_gen_xor_tl(t2, t1, t2);
1726 tcg_gen_xor_tl(t1, t0, t1);
1727 tcg_gen_and_tl(t1, t1, t2);
1729 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1731 /* operands of different sign, first operand and result different sign */
1732 generate_exception(ctx, EXCP_OVERFLOW);
1734 gen_store_gpr(t0, rd);
1740 if (rs != 0 && rt != 0) {
1741 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1742 } else if (rs == 0 && rt != 0) {
1743 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1744 } else if (rs != 0 && rt == 0) {
1745 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1747 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1753 if (likely(rs != 0 && rt != 0)) {
1754 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1755 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1757 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1762 (void)opn; /* avoid a compiler warning */
1763 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1766 /* Conditional move */
1767 static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1769 const char *opn = "cond move";
1773 /* If no destination, treat it as a NOP.
1774 For add & sub, we must generate the overflow exception when needed. */
1779 l1 = gen_new_label();
1782 if (likely(rt != 0))
1783 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
1789 if (likely(rt != 0))
1790 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
1795 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1797 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1800 (void)opn; /* avoid a compiler warning */
1801 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1805 static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1807 const char *opn = "logic";
1810 /* If no destination, treat it as a NOP. */
1817 if (likely(rs != 0 && rt != 0)) {
1818 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1820 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1825 if (rs != 0 && rt != 0) {
1826 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1827 } else if (rs == 0 && rt != 0) {
1828 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
1829 } else if (rs != 0 && rt == 0) {
1830 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
1832 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
1837 if (likely(rs != 0 && rt != 0)) {
1838 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1839 } else if (rs == 0 && rt != 0) {
1840 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1841 } else if (rs != 0 && rt == 0) {
1842 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1844 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1849 if (likely(rs != 0 && rt != 0)) {
1850 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1851 } else if (rs == 0 && rt != 0) {
1852 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1853 } else if (rs != 0 && rt == 0) {
1854 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1856 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1861 (void)opn; /* avoid a compiler warning */
1862 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1865 /* Set on lower than */
1866 static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1868 const char *opn = "slt";
1872 /* If no destination, treat it as a NOP. */
1877 t0 = tcg_temp_new();
1878 t1 = tcg_temp_new();
1879 gen_load_gpr(t0, rs);
1880 gen_load_gpr(t1, rt);
1883 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
1887 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
1891 (void)opn; /* avoid a compiler warning */
1892 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1898 static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc,
1899 int rd, int rs, int rt)
1901 const char *opn = "shifts";
1905 /* If no destination, treat it as a NOP.
1906 For add & sub, we must generate the overflow exception when needed. */
1911 t0 = tcg_temp_new();
1912 t1 = tcg_temp_new();
1913 gen_load_gpr(t0, rs);
1914 gen_load_gpr(t1, rt);
1917 tcg_gen_andi_tl(t0, t0, 0x1f);
1918 tcg_gen_shl_tl(t0, t1, t0);
1919 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1923 tcg_gen_andi_tl(t0, t0, 0x1f);
1924 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1928 tcg_gen_ext32u_tl(t1, t1);
1929 tcg_gen_andi_tl(t0, t0, 0x1f);
1930 tcg_gen_shr_tl(t0, t1, t0);
1931 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1936 TCGv_i32 t2 = tcg_temp_new_i32();
1937 TCGv_i32 t3 = tcg_temp_new_i32();
1939 tcg_gen_trunc_tl_i32(t2, t0);
1940 tcg_gen_trunc_tl_i32(t3, t1);
1941 tcg_gen_andi_i32(t2, t2, 0x1f);
1942 tcg_gen_rotr_i32(t2, t3, t2);
1943 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
1944 tcg_temp_free_i32(t2);
1945 tcg_temp_free_i32(t3);
1949 #if defined(TARGET_MIPS64)
1951 tcg_gen_andi_tl(t0, t0, 0x3f);
1952 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
1956 tcg_gen_andi_tl(t0, t0, 0x3f);
1957 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1961 tcg_gen_andi_tl(t0, t0, 0x3f);
1962 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
1966 tcg_gen_andi_tl(t0, t0, 0x3f);
1967 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
1972 (void)opn; /* avoid a compiler warning */
1973 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1978 /* Arithmetic on HI/LO registers */
1979 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1981 const char *opn = "hilo";
1983 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1990 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
1994 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
1999 tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
2001 tcg_gen_movi_tl(cpu_HI[0], 0);
2006 tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
2008 tcg_gen_movi_tl(cpu_LO[0], 0);
2012 (void)opn; /* avoid a compiler warning */
2013 MIPS_DEBUG("%s %s", opn, regnames[reg]);
2016 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
2019 const char *opn = "mul/div";
2025 #if defined(TARGET_MIPS64)
2029 t0 = tcg_temp_local_new();
2030 t1 = tcg_temp_local_new();
2033 t0 = tcg_temp_new();
2034 t1 = tcg_temp_new();
2038 gen_load_gpr(t0, rs);
2039 gen_load_gpr(t1, rt);
2043 int l1 = gen_new_label();
2044 int l2 = gen_new_label();
2046 tcg_gen_ext32s_tl(t0, t0);
2047 tcg_gen_ext32s_tl(t1, t1);
2048 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2049 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2050 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2052 tcg_gen_mov_tl(cpu_LO[0], t0);
2053 tcg_gen_movi_tl(cpu_HI[0], 0);
2056 tcg_gen_div_tl(cpu_LO[0], t0, t1);
2057 tcg_gen_rem_tl(cpu_HI[0], t0, t1);
2058 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2059 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2066 int l1 = gen_new_label();
2068 tcg_gen_ext32u_tl(t0, t0);
2069 tcg_gen_ext32u_tl(t1, t1);
2070 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2071 tcg_gen_divu_tl(cpu_LO[0], t0, t1);
2072 tcg_gen_remu_tl(cpu_HI[0], t0, t1);
2073 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2074 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2081 TCGv_i64 t2 = tcg_temp_new_i64();
2082 TCGv_i64 t3 = tcg_temp_new_i64();
2084 tcg_gen_ext_tl_i64(t2, t0);
2085 tcg_gen_ext_tl_i64(t3, t1);
2086 tcg_gen_mul_i64(t2, t2, t3);
2087 tcg_temp_free_i64(t3);
2088 tcg_gen_trunc_i64_tl(t0, t2);
2089 tcg_gen_shri_i64(t2, t2, 32);
2090 tcg_gen_trunc_i64_tl(t1, t2);
2091 tcg_temp_free_i64(t2);
2092 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2093 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2099 TCGv_i64 t2 = tcg_temp_new_i64();
2100 TCGv_i64 t3 = tcg_temp_new_i64();
2102 tcg_gen_ext32u_tl(t0, t0);
2103 tcg_gen_ext32u_tl(t1, t1);
2104 tcg_gen_extu_tl_i64(t2, t0);
2105 tcg_gen_extu_tl_i64(t3, t1);
2106 tcg_gen_mul_i64(t2, t2, t3);
2107 tcg_temp_free_i64(t3);
2108 tcg_gen_trunc_i64_tl(t0, t2);
2109 tcg_gen_shri_i64(t2, t2, 32);
2110 tcg_gen_trunc_i64_tl(t1, t2);
2111 tcg_temp_free_i64(t2);
2112 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2113 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2117 #if defined(TARGET_MIPS64)
2120 int l1 = gen_new_label();
2121 int l2 = gen_new_label();
2123 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2124 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2125 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2126 tcg_gen_mov_tl(cpu_LO[0], t0);
2127 tcg_gen_movi_tl(cpu_HI[0], 0);
2130 tcg_gen_div_i64(cpu_LO[0], t0, t1);
2131 tcg_gen_rem_i64(cpu_HI[0], t0, t1);
2138 int l1 = gen_new_label();
2140 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2141 tcg_gen_divu_i64(cpu_LO[0], t0, t1);
2142 tcg_gen_remu_i64(cpu_HI[0], t0, t1);
2148 gen_helper_dmult(t0, t1);
2152 gen_helper_dmultu(t0, t1);
2158 TCGv_i64 t2 = tcg_temp_new_i64();
2159 TCGv_i64 t3 = tcg_temp_new_i64();
2161 tcg_gen_ext_tl_i64(t2, t0);
2162 tcg_gen_ext_tl_i64(t3, t1);
2163 tcg_gen_mul_i64(t2, t2, t3);
2164 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2165 tcg_gen_add_i64(t2, t2, t3);
2166 tcg_temp_free_i64(t3);
2167 tcg_gen_trunc_i64_tl(t0, t2);
2168 tcg_gen_shri_i64(t2, t2, 32);
2169 tcg_gen_trunc_i64_tl(t1, t2);
2170 tcg_temp_free_i64(t2);
2171 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2172 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2178 TCGv_i64 t2 = tcg_temp_new_i64();
2179 TCGv_i64 t3 = tcg_temp_new_i64();
2181 tcg_gen_ext32u_tl(t0, t0);
2182 tcg_gen_ext32u_tl(t1, t1);
2183 tcg_gen_extu_tl_i64(t2, t0);
2184 tcg_gen_extu_tl_i64(t3, t1);
2185 tcg_gen_mul_i64(t2, t2, t3);
2186 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2187 tcg_gen_add_i64(t2, t2, t3);
2188 tcg_temp_free_i64(t3);
2189 tcg_gen_trunc_i64_tl(t0, t2);
2190 tcg_gen_shri_i64(t2, t2, 32);
2191 tcg_gen_trunc_i64_tl(t1, t2);
2192 tcg_temp_free_i64(t2);
2193 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2194 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2200 TCGv_i64 t2 = tcg_temp_new_i64();
2201 TCGv_i64 t3 = tcg_temp_new_i64();
2203 tcg_gen_ext_tl_i64(t2, t0);
2204 tcg_gen_ext_tl_i64(t3, t1);
2205 tcg_gen_mul_i64(t2, t2, t3);
2206 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2207 tcg_gen_sub_i64(t2, t3, t2);
2208 tcg_temp_free_i64(t3);
2209 tcg_gen_trunc_i64_tl(t0, t2);
2210 tcg_gen_shri_i64(t2, t2, 32);
2211 tcg_gen_trunc_i64_tl(t1, t2);
2212 tcg_temp_free_i64(t2);
2213 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2214 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2220 TCGv_i64 t2 = tcg_temp_new_i64();
2221 TCGv_i64 t3 = tcg_temp_new_i64();
2223 tcg_gen_ext32u_tl(t0, t0);
2224 tcg_gen_ext32u_tl(t1, t1);
2225 tcg_gen_extu_tl_i64(t2, t0);
2226 tcg_gen_extu_tl_i64(t3, t1);
2227 tcg_gen_mul_i64(t2, t2, t3);
2228 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2229 tcg_gen_sub_i64(t2, t3, t2);
2230 tcg_temp_free_i64(t3);
2231 tcg_gen_trunc_i64_tl(t0, t2);
2232 tcg_gen_shri_i64(t2, t2, 32);
2233 tcg_gen_trunc_i64_tl(t1, t2);
2234 tcg_temp_free_i64(t2);
2235 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2236 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2242 generate_exception(ctx, EXCP_RI);
2245 (void)opn; /* avoid a compiler warning */
2246 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
2252 static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
2253 int rd, int rs, int rt)
2255 const char *opn = "mul vr54xx";
2256 TCGv t0 = tcg_temp_new();
2257 TCGv t1 = tcg_temp_new();
2259 gen_load_gpr(t0, rs);
2260 gen_load_gpr(t1, rt);
2263 case OPC_VR54XX_MULS:
2264 gen_helper_muls(t0, t0, t1);
2267 case OPC_VR54XX_MULSU:
2268 gen_helper_mulsu(t0, t0, t1);
2271 case OPC_VR54XX_MACC:
2272 gen_helper_macc(t0, t0, t1);
2275 case OPC_VR54XX_MACCU:
2276 gen_helper_maccu(t0, t0, t1);
2279 case OPC_VR54XX_MSAC:
2280 gen_helper_msac(t0, t0, t1);
2283 case OPC_VR54XX_MSACU:
2284 gen_helper_msacu(t0, t0, t1);
2287 case OPC_VR54XX_MULHI:
2288 gen_helper_mulhi(t0, t0, t1);
2291 case OPC_VR54XX_MULHIU:
2292 gen_helper_mulhiu(t0, t0, t1);
2295 case OPC_VR54XX_MULSHI:
2296 gen_helper_mulshi(t0, t0, t1);
2299 case OPC_VR54XX_MULSHIU:
2300 gen_helper_mulshiu(t0, t0, t1);
2303 case OPC_VR54XX_MACCHI:
2304 gen_helper_macchi(t0, t0, t1);
2307 case OPC_VR54XX_MACCHIU:
2308 gen_helper_macchiu(t0, t0, t1);
2311 case OPC_VR54XX_MSACHI:
2312 gen_helper_msachi(t0, t0, t1);
2315 case OPC_VR54XX_MSACHIU:
2316 gen_helper_msachiu(t0, t0, t1);
2320 MIPS_INVAL("mul vr54xx");
2321 generate_exception(ctx, EXCP_RI);
2324 gen_store_gpr(t0, rd);
2325 (void)opn; /* avoid a compiler warning */
2326 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
2333 static void gen_cl (DisasContext *ctx, uint32_t opc,
2336 const char *opn = "CLx";
2344 t0 = tcg_temp_new();
2345 gen_load_gpr(t0, rs);
2348 gen_helper_clo(cpu_gpr[rd], t0);
2352 gen_helper_clz(cpu_gpr[rd], t0);
2355 #if defined(TARGET_MIPS64)
2357 gen_helper_dclo(cpu_gpr[rd], t0);
2361 gen_helper_dclz(cpu_gpr[rd], t0);
2366 (void)opn; /* avoid a compiler warning */
2367 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2371 /* Godson integer instructions */
2372 static void gen_loongson_integer (DisasContext *ctx, uint32_t opc,
2373 int rd, int rs, int rt)
2375 const char *opn = "loongson";
2387 case OPC_MULTU_G_2E:
2388 case OPC_MULTU_G_2F:
2389 #if defined(TARGET_MIPS64)
2390 case OPC_DMULT_G_2E:
2391 case OPC_DMULT_G_2F:
2392 case OPC_DMULTU_G_2E:
2393 case OPC_DMULTU_G_2F:
2395 t0 = tcg_temp_new();
2396 t1 = tcg_temp_new();
2399 t0 = tcg_temp_local_new();
2400 t1 = tcg_temp_local_new();
2404 gen_load_gpr(t0, rs);
2405 gen_load_gpr(t1, rt);
2410 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2411 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2414 case OPC_MULTU_G_2E:
2415 case OPC_MULTU_G_2F:
2416 tcg_gen_ext32u_tl(t0, t0);
2417 tcg_gen_ext32u_tl(t1, t1);
2418 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2419 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2425 int l1 = gen_new_label();
2426 int l2 = gen_new_label();
2427 int l3 = gen_new_label();
2428 tcg_gen_ext32s_tl(t0, t0);
2429 tcg_gen_ext32s_tl(t1, t1);
2430 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2431 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2434 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2435 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2436 tcg_gen_mov_tl(cpu_gpr[rd], t0);
2439 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
2440 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2448 int l1 = gen_new_label();
2449 int l2 = gen_new_label();
2450 tcg_gen_ext32u_tl(t0, t0);
2451 tcg_gen_ext32u_tl(t1, t1);
2452 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2453 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2456 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
2457 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2465 int l1 = gen_new_label();
2466 int l2 = gen_new_label();
2467 int l3 = gen_new_label();
2468 tcg_gen_ext32u_tl(t0, t0);
2469 tcg_gen_ext32u_tl(t1, t1);
2470 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2471 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2472 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2474 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2477 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
2478 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2486 int l1 = gen_new_label();
2487 int l2 = gen_new_label();
2488 tcg_gen_ext32u_tl(t0, t0);
2489 tcg_gen_ext32u_tl(t1, t1);
2490 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2491 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2494 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
2495 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2500 #if defined(TARGET_MIPS64)
2501 case OPC_DMULT_G_2E:
2502 case OPC_DMULT_G_2F:
2503 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2506 case OPC_DMULTU_G_2E:
2507 case OPC_DMULTU_G_2F:
2508 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2514 int l1 = gen_new_label();
2515 int l2 = gen_new_label();
2516 int l3 = gen_new_label();
2517 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2518 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2521 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2522 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2523 tcg_gen_mov_tl(cpu_gpr[rd], t0);
2526 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
2531 case OPC_DDIVU_G_2E:
2532 case OPC_DDIVU_G_2F:
2534 int l1 = gen_new_label();
2535 int l2 = gen_new_label();
2536 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2537 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2540 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
2548 int l1 = gen_new_label();
2549 int l2 = gen_new_label();
2550 int l3 = gen_new_label();
2551 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2552 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2553 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2555 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2558 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
2563 case OPC_DMODU_G_2E:
2564 case OPC_DMODU_G_2F:
2566 int l1 = gen_new_label();
2567 int l2 = gen_new_label();
2568 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2569 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2572 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
2580 (void)opn; /* avoid a compiler warning */
2581 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2587 static void gen_trap (DisasContext *ctx, uint32_t opc,
2588 int rs, int rt, int16_t imm)
2591 TCGv t0 = tcg_temp_new();
2592 TCGv t1 = tcg_temp_new();
2595 /* Load needed operands */
2603 /* Compare two registers */
2605 gen_load_gpr(t0, rs);
2606 gen_load_gpr(t1, rt);
2616 /* Compare register to immediate */
2617 if (rs != 0 || imm != 0) {
2618 gen_load_gpr(t0, rs);
2619 tcg_gen_movi_tl(t1, (int32_t)imm);
2626 case OPC_TEQ: /* rs == rs */
2627 case OPC_TEQI: /* r0 == 0 */
2628 case OPC_TGE: /* rs >= rs */
2629 case OPC_TGEI: /* r0 >= 0 */
2630 case OPC_TGEU: /* rs >= rs unsigned */
2631 case OPC_TGEIU: /* r0 >= 0 unsigned */
2633 generate_exception(ctx, EXCP_TRAP);
2635 case OPC_TLT: /* rs < rs */
2636 case OPC_TLTI: /* r0 < 0 */
2637 case OPC_TLTU: /* rs < rs unsigned */
2638 case OPC_TLTIU: /* r0 < 0 unsigned */
2639 case OPC_TNE: /* rs != rs */
2640 case OPC_TNEI: /* r0 != 0 */
2641 /* Never trap: treat as NOP. */
2645 int l1 = gen_new_label();
2650 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
2654 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
2658 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
2662 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
2666 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
2670 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
2673 generate_exception(ctx, EXCP_TRAP);
2680 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
2682 TranslationBlock *tb;
2684 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
2685 likely(!ctx->singlestep_enabled)) {
2688 tcg_gen_exit_tb((tcg_target_long)tb + n);
2691 if (ctx->singlestep_enabled) {
2692 save_cpu_state(ctx, 0);
2693 gen_helper_0i(raise_exception, EXCP_DEBUG);
2699 /* Branches (before delay slot) */
2700 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
2702 int rs, int rt, int32_t offset)
2704 target_ulong btgt = -1;
2706 int bcond_compute = 0;
2707 TCGv t0 = tcg_temp_new();
2708 TCGv t1 = tcg_temp_new();
2710 if (ctx->hflags & MIPS_HFLAG_BMASK) {
2711 #ifdef MIPS_DEBUG_DISAS
2712 LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc);
2714 generate_exception(ctx, EXCP_RI);
2718 /* Load needed operands */
2724 /* Compare two registers */
2726 gen_load_gpr(t0, rs);
2727 gen_load_gpr(t1, rt);
2730 btgt = ctx->pc + insn_bytes + offset;
2746 /* Compare to zero */
2748 gen_load_gpr(t0, rs);
2751 btgt = ctx->pc + insn_bytes + offset;
2758 /* Jump to immediate */
2759 btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
2765 /* Jump to register */
2766 if (offset != 0 && offset != 16) {
2767 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
2768 others are reserved. */
2769 MIPS_INVAL("jump hint");
2770 generate_exception(ctx, EXCP_RI);
2773 gen_load_gpr(btarget, rs);
2776 MIPS_INVAL("branch/jump");
2777 generate_exception(ctx, EXCP_RI);
2780 if (bcond_compute == 0) {
2781 /* No condition to be computed */
2783 case OPC_BEQ: /* rx == rx */
2784 case OPC_BEQL: /* rx == rx likely */
2785 case OPC_BGEZ: /* 0 >= 0 */
2786 case OPC_BGEZL: /* 0 >= 0 likely */
2787 case OPC_BLEZ: /* 0 <= 0 */
2788 case OPC_BLEZL: /* 0 <= 0 likely */
2790 ctx->hflags |= MIPS_HFLAG_B;
2791 MIPS_DEBUG("balways");
2794 case OPC_BGEZAL: /* 0 >= 0 */
2795 case OPC_BGEZALL: /* 0 >= 0 likely */
2796 ctx->hflags |= (opc == OPC_BGEZALS
2798 : MIPS_HFLAG_BDS32);
2799 /* Always take and link */
2801 ctx->hflags |= MIPS_HFLAG_B;
2802 MIPS_DEBUG("balways and link");
2804 case OPC_BNE: /* rx != rx */
2805 case OPC_BGTZ: /* 0 > 0 */
2806 case OPC_BLTZ: /* 0 < 0 */
2808 MIPS_DEBUG("bnever (NOP)");
2811 case OPC_BLTZAL: /* 0 < 0 */
2812 ctx->hflags |= (opc == OPC_BLTZALS
2814 : MIPS_HFLAG_BDS32);
2815 /* Handle as an unconditional branch to get correct delay
2818 btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8);
2819 ctx->hflags |= MIPS_HFLAG_B;
2820 MIPS_DEBUG("bnever and link");
2822 case OPC_BLTZALL: /* 0 < 0 likely */
2823 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
2824 /* Skip the instruction in the delay slot */
2825 MIPS_DEBUG("bnever, link and skip");
2828 case OPC_BNEL: /* rx != rx likely */
2829 case OPC_BGTZL: /* 0 > 0 likely */
2830 case OPC_BLTZL: /* 0 < 0 likely */
2831 /* Skip the instruction in the delay slot */
2832 MIPS_DEBUG("bnever and skip");
2836 ctx->hflags |= MIPS_HFLAG_B;
2837 MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
2841 ctx->hflags |= MIPS_HFLAG_BX;
2846 ctx->hflags |= MIPS_HFLAG_B;
2847 ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS)
2849 : MIPS_HFLAG_BDS32);
2850 MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
2853 ctx->hflags |= MIPS_HFLAG_BR;
2854 if (insn_bytes == 4)
2855 ctx->hflags |= MIPS_HFLAG_BDS32;
2856 MIPS_DEBUG("jr %s", regnames[rs]);
2862 ctx->hflags |= MIPS_HFLAG_BR;
2863 ctx->hflags |= (opc == OPC_JALRS
2865 : MIPS_HFLAG_BDS32);
2866 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
2869 MIPS_INVAL("branch/jump");
2870 generate_exception(ctx, EXCP_RI);
2876 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
2877 MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
2878 regnames[rs], regnames[rt], btgt);
2881 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
2882 MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
2883 regnames[rs], regnames[rt], btgt);
2886 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
2887 MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
2888 regnames[rs], regnames[rt], btgt);
2891 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
2892 MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
2893 regnames[rs], regnames[rt], btgt);
2896 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2897 MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2900 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2901 MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2905 ctx->hflags |= (opc == OPC_BGEZALS
2907 : MIPS_HFLAG_BDS32);
2908 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2909 MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2913 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2915 MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2918 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
2919 MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2922 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
2923 MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2926 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
2927 MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2930 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
2931 MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2934 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2935 MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2938 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2939 MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2943 ctx->hflags |= (opc == OPC_BLTZALS
2945 : MIPS_HFLAG_BDS32);
2946 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2948 MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2950 ctx->hflags |= MIPS_HFLAG_BC;
2953 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2955 MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2957 ctx->hflags |= MIPS_HFLAG_BL;
2960 MIPS_INVAL("conditional branch/jump");
2961 generate_exception(ctx, EXCP_RI);
2965 MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
2966 blink, ctx->hflags, btgt);
2968 ctx->btarget = btgt;
2970 int post_delay = insn_bytes;
2971 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
2973 if (opc != OPC_JALRC)
2974 post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4);
2976 tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit);
2980 if (insn_bytes == 2)
2981 ctx->hflags |= MIPS_HFLAG_B16;
2986 /* special3 bitfield operations */
2987 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
2988 int rs, int lsb, int msb)
2990 TCGv t0 = tcg_temp_new();
2991 TCGv t1 = tcg_temp_new();
2994 gen_load_gpr(t1, rs);
2999 tcg_gen_shri_tl(t0, t1, lsb);
3001 tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1);
3003 tcg_gen_ext32s_tl(t0, t0);
3006 #if defined(TARGET_MIPS64)
3008 tcg_gen_shri_tl(t0, t1, lsb);
3010 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
3014 tcg_gen_shri_tl(t0, t1, lsb + 32);
3015 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
3018 tcg_gen_shri_tl(t0, t1, lsb);
3019 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
3025 mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb;
3026 gen_load_gpr(t0, rt);
3027 tcg_gen_andi_tl(t0, t0, ~mask);
3028 tcg_gen_shli_tl(t1, t1, lsb);
3029 tcg_gen_andi_tl(t1, t1, mask);
3030 tcg_gen_or_tl(t0, t0, t1);
3031 tcg_gen_ext32s_tl(t0, t0);
3033 #if defined(TARGET_MIPS64)
3037 mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb;
3038 gen_load_gpr(t0, rt);
3039 tcg_gen_andi_tl(t0, t0, ~mask);
3040 tcg_gen_shli_tl(t1, t1, lsb);
3041 tcg_gen_andi_tl(t1, t1, mask);
3042 tcg_gen_or_tl(t0, t0, t1);
3047 mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32);
3048 gen_load_gpr(t0, rt);
3049 tcg_gen_andi_tl(t0, t0, ~mask);
3050 tcg_gen_shli_tl(t1, t1, lsb + 32);
3051 tcg_gen_andi_tl(t1, t1, mask);
3052 tcg_gen_or_tl(t0, t0, t1);
3057 gen_load_gpr(t0, rt);
3058 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
3059 gen_load_gpr(t0, rt);
3060 tcg_gen_andi_tl(t0, t0, ~mask);
3061 tcg_gen_shli_tl(t1, t1, lsb);
3062 tcg_gen_andi_tl(t1, t1, mask);
3063 tcg_gen_or_tl(t0, t0, t1);
3068 MIPS_INVAL("bitops");
3069 generate_exception(ctx, EXCP_RI);
3074 gen_store_gpr(t0, rt);
3079 static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
3084 /* If no destination, treat it as a NOP. */
3089 t0 = tcg_temp_new();
3090 gen_load_gpr(t0, rt);
3094 TCGv t1 = tcg_temp_new();
3096 tcg_gen_shri_tl(t1, t0, 8);
3097 tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
3098 tcg_gen_shli_tl(t0, t0, 8);
3099 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
3100 tcg_gen_or_tl(t0, t0, t1);
3102 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
3106 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
3109 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
3111 #if defined(TARGET_MIPS64)
3114 TCGv t1 = tcg_temp_new();
3116 tcg_gen_shri_tl(t1, t0, 8);
3117 tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
3118 tcg_gen_shli_tl(t0, t0, 8);
3119 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
3120 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
3126 TCGv t1 = tcg_temp_new();
3128 tcg_gen_shri_tl(t1, t0, 16);
3129 tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
3130 tcg_gen_shli_tl(t0, t0, 16);
3131 tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
3132 tcg_gen_or_tl(t0, t0, t1);
3133 tcg_gen_shri_tl(t1, t0, 32);
3134 tcg_gen_shli_tl(t0, t0, 32);
3135 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
3141 MIPS_INVAL("bsfhl");
3142 generate_exception(ctx, EXCP_RI);
3149 #ifndef CONFIG_USER_ONLY
3150 /* CP0 (MMU and control) */
3151 static inline void gen_mfc0_load32 (TCGv arg, target_ulong off)
3153 TCGv_i32 t0 = tcg_temp_new_i32();
3155 tcg_gen_ld_i32(t0, cpu_env, off);
3156 tcg_gen_ext_i32_tl(arg, t0);
3157 tcg_temp_free_i32(t0);
3160 static inline void gen_mfc0_load64 (TCGv arg, target_ulong off)
3162 tcg_gen_ld_tl(arg, cpu_env, off);
3163 tcg_gen_ext32s_tl(arg, arg);
3166 static inline void gen_mtc0_store32 (TCGv arg, target_ulong off)
3168 TCGv_i32 t0 = tcg_temp_new_i32();
3170 tcg_gen_trunc_tl_i32(t0, arg);
3171 tcg_gen_st_i32(t0, cpu_env, off);
3172 tcg_temp_free_i32(t0);
3175 static inline void gen_mtc0_store64 (TCGv arg, target_ulong off)
3177 tcg_gen_ext32s_tl(arg, arg);
3178 tcg_gen_st_tl(arg, cpu_env, off);
3181 static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
3183 const char *rn = "invalid";
3186 check_insn(env, ctx, ISA_MIPS32);
3192 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
3196 check_insn(env, ctx, ASE_MT);
3197 gen_helper_mfc0_mvpcontrol(arg);
3201 check_insn(env, ctx, ASE_MT);
3202 gen_helper_mfc0_mvpconf0(arg);
3206 check_insn(env, ctx, ASE_MT);
3207 gen_helper_mfc0_mvpconf1(arg);
3217 gen_helper_mfc0_random(arg);
3221 check_insn(env, ctx, ASE_MT);
3222 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
3226 check_insn(env, ctx, ASE_MT);
3227 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
3231 check_insn(env, ctx, ASE_MT);
3232 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
3236 check_insn(env, ctx, ASE_MT);
3237 gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask));
3241 check_insn(env, ctx, ASE_MT);
3242 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule));
3246 check_insn(env, ctx, ASE_MT);
3247 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack));
3248 rn = "VPEScheFBack";
3251 check_insn(env, ctx, ASE_MT);
3252 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
3262 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
3263 tcg_gen_ext32s_tl(arg, arg);
3267 check_insn(env, ctx, ASE_MT);
3268 gen_helper_mfc0_tcstatus(arg);
3272 check_insn(env, ctx, ASE_MT);
3273 gen_helper_mfc0_tcbind(arg);
3277 check_insn(env, ctx, ASE_MT);
3278 gen_helper_mfc0_tcrestart(arg);
3282 check_insn(env, ctx, ASE_MT);
3283 gen_helper_mfc0_tchalt(arg);
3287 check_insn(env, ctx, ASE_MT);
3288 gen_helper_mfc0_tccontext(arg);
3292 check_insn(env, ctx, ASE_MT);
3293 gen_helper_mfc0_tcschedule(arg);
3297 check_insn(env, ctx, ASE_MT);
3298 gen_helper_mfc0_tcschefback(arg);
3308 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
3309 tcg_gen_ext32s_tl(arg, arg);
3319 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
3320 tcg_gen_ext32s_tl(arg, arg);
3324 // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
3325 rn = "ContextConfig";
3334 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
3338 check_insn(env, ctx, ISA_MIPS32R2);
3339 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
3349 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
3353 check_insn(env, ctx, ISA_MIPS32R2);
3354 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
3358 check_insn(env, ctx, ISA_MIPS32R2);
3359 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
3363 check_insn(env, ctx, ISA_MIPS32R2);
3364 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
3368 check_insn(env, ctx, ISA_MIPS32R2);
3369 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
3373 check_insn(env, ctx, ISA_MIPS32R2);
3374 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
3384 check_insn(env, ctx, ISA_MIPS32R2);
3385 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
3395 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
3396 tcg_gen_ext32s_tl(arg, arg);
3406 /* Mark as an IO operation because we read the time. */
3409 gen_helper_mfc0_count(arg);
3413 /* Break the TB to be able to take timer interrupts immediately
3414 after reading count. */
3415 ctx->bstate = BS_STOP;
3418 /* 6,7 are implementation dependent */
3426 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
3427 tcg_gen_ext32s_tl(arg, arg);
3437 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
3440 /* 6,7 are implementation dependent */
3448 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
3452 check_insn(env, ctx, ISA_MIPS32R2);
3453 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
3457 check_insn(env, ctx, ISA_MIPS32R2);
3458 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
3462 check_insn(env, ctx, ISA_MIPS32R2);
3463 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
3473 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
3483 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
3484 tcg_gen_ext32s_tl(arg, arg);
3494 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
3498 check_insn(env, ctx, ISA_MIPS32R2);
3499 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
3509 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
3513 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
3517 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
3521 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
3524 /* 4,5 are reserved */
3525 /* 6,7 are implementation dependent */
3527 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
3531 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
3541 gen_helper_mfc0_lladdr(arg);
3551 gen_helper_1i(mfc0_watchlo, arg, sel);
3561 gen_helper_1i(mfc0_watchhi, arg, sel);
3571 #if defined(TARGET_MIPS64)
3572 check_insn(env, ctx, ISA_MIPS3);
3573 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
3574 tcg_gen_ext32s_tl(arg, arg);
3583 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3586 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
3594 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3595 rn = "'Diagnostic"; /* implementation dependent */
3600 gen_helper_mfc0_debug(arg); /* EJTAG support */
3604 // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
3605 rn = "TraceControl";
3608 // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
3609 rn = "TraceControl2";
3612 // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
3613 rn = "UserTraceData";
3616 // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
3627 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
3628 tcg_gen_ext32s_tl(arg, arg);
3638 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
3639 rn = "Performance0";
3642 // gen_helper_mfc0_performance1(arg);
3643 rn = "Performance1";
3646 // gen_helper_mfc0_performance2(arg);
3647 rn = "Performance2";
3650 // gen_helper_mfc0_performance3(arg);
3651 rn = "Performance3";
3654 // gen_helper_mfc0_performance4(arg);
3655 rn = "Performance4";
3658 // gen_helper_mfc0_performance5(arg);
3659 rn = "Performance5";
3662 // gen_helper_mfc0_performance6(arg);
3663 rn = "Performance6";
3666 // gen_helper_mfc0_performance7(arg);
3667 rn = "Performance7";
3674 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3680 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3693 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
3700 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
3713 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
3720 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
3730 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
3731 tcg_gen_ext32s_tl(arg, arg);
3742 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
3752 (void)rn; /* avoid a compiler warning */
3753 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3757 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3758 generate_exception(ctx, EXCP_RI);
3761 static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
3763 const char *rn = "invalid";
3766 check_insn(env, ctx, ISA_MIPS32);
3775 gen_helper_mtc0_index(arg);
3779 check_insn(env, ctx, ASE_MT);
3780 gen_helper_mtc0_mvpcontrol(arg);
3784 check_insn(env, ctx, ASE_MT);
3789 check_insn(env, ctx, ASE_MT);
3804 check_insn(env, ctx, ASE_MT);
3805 gen_helper_mtc0_vpecontrol(arg);
3809 check_insn(env, ctx, ASE_MT);
3810 gen_helper_mtc0_vpeconf0(arg);
3814 check_insn(env, ctx, ASE_MT);
3815 gen_helper_mtc0_vpeconf1(arg);
3819 check_insn(env, ctx, ASE_MT);
3820 gen_helper_mtc0_yqmask(arg);
3824 check_insn(env, ctx, ASE_MT);
3825 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule));
3829 check_insn(env, ctx, ASE_MT);
3830 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack));
3831 rn = "VPEScheFBack";
3834 check_insn(env, ctx, ASE_MT);
3835 gen_helper_mtc0_vpeopt(arg);
3845 gen_helper_mtc0_entrylo0(arg);
3849 check_insn(env, ctx, ASE_MT);
3850 gen_helper_mtc0_tcstatus(arg);
3854 check_insn(env, ctx, ASE_MT);
3855 gen_helper_mtc0_tcbind(arg);
3859 check_insn(env, ctx, ASE_MT);
3860 gen_helper_mtc0_tcrestart(arg);
3864 check_insn(env, ctx, ASE_MT);
3865 gen_helper_mtc0_tchalt(arg);
3869 check_insn(env, ctx, ASE_MT);
3870 gen_helper_mtc0_tccontext(arg);
3874 check_insn(env, ctx, ASE_MT);
3875 gen_helper_mtc0_tcschedule(arg);
3879 check_insn(env, ctx, ASE_MT);
3880 gen_helper_mtc0_tcschefback(arg);
3890 gen_helper_mtc0_entrylo1(arg);
3900 gen_helper_mtc0_context(arg);
3904 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
3905 rn = "ContextConfig";
3914 gen_helper_mtc0_pagemask(arg);
3918 check_insn(env, ctx, ISA_MIPS32R2);
3919 gen_helper_mtc0_pagegrain(arg);
3929 gen_helper_mtc0_wired(arg);
3933 check_insn(env, ctx, ISA_MIPS32R2);
3934 gen_helper_mtc0_srsconf0(arg);
3938 check_insn(env, ctx, ISA_MIPS32R2);
3939 gen_helper_mtc0_srsconf1(arg);
3943 check_insn(env, ctx, ISA_MIPS32R2);
3944 gen_helper_mtc0_srsconf2(arg);
3948 check_insn(env, ctx, ISA_MIPS32R2);
3949 gen_helper_mtc0_srsconf3(arg);
3953 check_insn(env, ctx, ISA_MIPS32R2);
3954 gen_helper_mtc0_srsconf4(arg);
3964 check_insn(env, ctx, ISA_MIPS32R2);
3965 gen_helper_mtc0_hwrena(arg);
3979 gen_helper_mtc0_count(arg);
3982 /* 6,7 are implementation dependent */
3990 gen_helper_mtc0_entryhi(arg);
4000 gen_helper_mtc0_compare(arg);
4003 /* 6,7 are implementation dependent */
4011 save_cpu_state(ctx, 1);
4012 gen_helper_mtc0_status(arg);
4013 /* BS_STOP isn't good enough here, hflags may have changed. */
4014 gen_save_pc(ctx->pc + 4);
4015 ctx->bstate = BS_EXCP;
4019 check_insn(env, ctx, ISA_MIPS32R2);
4020 gen_helper_mtc0_intctl(arg);
4021 /* Stop translation as we may have switched the execution mode */
4022 ctx->bstate = BS_STOP;
4026 check_insn(env, ctx, ISA_MIPS32R2);
4027 gen_helper_mtc0_srsctl(arg);
4028 /* Stop translation as we may have switched the execution mode */
4029 ctx->bstate = BS_STOP;
4033 check_insn(env, ctx, ISA_MIPS32R2);
4034 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
4035 /* Stop translation as we may have switched the execution mode */
4036 ctx->bstate = BS_STOP;
4046 save_cpu_state(ctx, 1);
4047 gen_helper_mtc0_cause(arg);
4057 gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC));
4071 check_insn(env, ctx, ISA_MIPS32R2);
4072 gen_helper_mtc0_ebase(arg);
4082 gen_helper_mtc0_config0(arg);
4084 /* Stop translation as we may have switched the execution mode */
4085 ctx->bstate = BS_STOP;
4088 /* ignored, read only */
4092 gen_helper_mtc0_config2(arg);
4094 /* Stop translation as we may have switched the execution mode */
4095 ctx->bstate = BS_STOP;
4098 /* ignored, read only */
4101 /* 4,5 are reserved */
4102 /* 6,7 are implementation dependent */
4112 rn = "Invalid config selector";
4119 gen_helper_mtc0_lladdr(arg);
4129 gen_helper_1i(mtc0_watchlo, arg, sel);
4139 gen_helper_1i(mtc0_watchhi, arg, sel);
4149 #if defined(TARGET_MIPS64)
4150 check_insn(env, ctx, ISA_MIPS3);
4151 gen_helper_mtc0_xcontext(arg);
4160 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4163 gen_helper_mtc0_framemask(arg);
4172 rn = "Diagnostic"; /* implementation dependent */
4177 gen_helper_mtc0_debug(arg); /* EJTAG support */
4178 /* BS_STOP isn't good enough here, hflags may have changed. */
4179 gen_save_pc(ctx->pc + 4);
4180 ctx->bstate = BS_EXCP;
4184 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
4185 rn = "TraceControl";
4186 /* Stop translation as we may have switched the execution mode */
4187 ctx->bstate = BS_STOP;
4190 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
4191 rn = "TraceControl2";
4192 /* Stop translation as we may have switched the execution mode */
4193 ctx->bstate = BS_STOP;
4196 /* Stop translation as we may have switched the execution mode */
4197 ctx->bstate = BS_STOP;
4198 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
4199 rn = "UserTraceData";
4200 /* Stop translation as we may have switched the execution mode */
4201 ctx->bstate = BS_STOP;
4204 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
4205 /* Stop translation as we may have switched the execution mode */
4206 ctx->bstate = BS_STOP;
4217 gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC));
4227 gen_helper_mtc0_performance0(arg);
4228 rn = "Performance0";
4231 // gen_helper_mtc0_performance1(arg);
4232 rn = "Performance1";
4235 // gen_helper_mtc0_performance2(arg);
4236 rn = "Performance2";
4239 // gen_helper_mtc0_performance3(arg);
4240 rn = "Performance3";
4243 // gen_helper_mtc0_performance4(arg);
4244 rn = "Performance4";
4247 // gen_helper_mtc0_performance5(arg);
4248 rn = "Performance5";
4251 // gen_helper_mtc0_performance6(arg);
4252 rn = "Performance6";
4255 // gen_helper_mtc0_performance7(arg);
4256 rn = "Performance7";
4282 gen_helper_mtc0_taglo(arg);
4289 gen_helper_mtc0_datalo(arg);
4302 gen_helper_mtc0_taghi(arg);
4309 gen_helper_mtc0_datahi(arg);
4320 gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC));
4331 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
4337 /* Stop translation as we may have switched the execution mode */
4338 ctx->bstate = BS_STOP;
4343 (void)rn; /* avoid a compiler warning */
4344 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4345 /* For simplicity assume that all writes can cause interrupts. */
4348 ctx->bstate = BS_STOP;
4353 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4354 generate_exception(ctx, EXCP_RI);
4357 #if defined(TARGET_MIPS64)
4358 static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4360 const char *rn = "invalid";
4363 check_insn(env, ctx, ISA_MIPS64);
4369 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
4373 check_insn(env, ctx, ASE_MT);
4374 gen_helper_mfc0_mvpcontrol(arg);
4378 check_insn(env, ctx, ASE_MT);
4379 gen_helper_mfc0_mvpconf0(arg);
4383 check_insn(env, ctx, ASE_MT);
4384 gen_helper_mfc0_mvpconf1(arg);
4394 gen_helper_mfc0_random(arg);
4398 check_insn(env, ctx, ASE_MT);
4399 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
4403 check_insn(env, ctx, ASE_MT);
4404 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
4408 check_insn(env, ctx, ASE_MT);
4409 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
4413 check_insn(env, ctx, ASE_MT);
4414 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask));
4418 check_insn(env, ctx, ASE_MT);
4419 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4423 check_insn(env, ctx, ASE_MT);
4424 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4425 rn = "VPEScheFBack";
4428 check_insn(env, ctx, ASE_MT);
4429 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
4439 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
4443 check_insn(env, ctx, ASE_MT);
4444 gen_helper_mfc0_tcstatus(arg);
4448 check_insn(env, ctx, ASE_MT);
4449 gen_helper_mfc0_tcbind(arg);
4453 check_insn(env, ctx, ASE_MT);
4454 gen_helper_dmfc0_tcrestart(arg);
4458 check_insn(env, ctx, ASE_MT);
4459 gen_helper_dmfc0_tchalt(arg);
4463 check_insn(env, ctx, ASE_MT);
4464 gen_helper_dmfc0_tccontext(arg);
4468 check_insn(env, ctx, ASE_MT);
4469 gen_helper_dmfc0_tcschedule(arg);
4473 check_insn(env, ctx, ASE_MT);
4474 gen_helper_dmfc0_tcschefback(arg);
4484 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
4494 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
4498 // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
4499 rn = "ContextConfig";
4508 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
4512 check_insn(env, ctx, ISA_MIPS32R2);
4513 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
4523 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
4527 check_insn(env, ctx, ISA_MIPS32R2);
4528 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
4532 check_insn(env, ctx, ISA_MIPS32R2);
4533 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
4537 check_insn(env, ctx, ISA_MIPS32R2);
4538 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
4542 check_insn(env, ctx, ISA_MIPS32R2);
4543 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
4547 check_insn(env, ctx, ISA_MIPS32R2);
4548 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
4558 check_insn(env, ctx, ISA_MIPS32R2);
4559 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
4569 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
4579 /* Mark as an IO operation because we read the time. */
4582 gen_helper_mfc0_count(arg);
4586 /* Break the TB to be able to take timer interrupts immediately
4587 after reading count. */
4588 ctx->bstate = BS_STOP;
4591 /* 6,7 are implementation dependent */
4599 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
4609 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
4612 /* 6,7 are implementation dependent */
4620 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
4624 check_insn(env, ctx, ISA_MIPS32R2);
4625 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
4629 check_insn(env, ctx, ISA_MIPS32R2);
4630 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
4634 check_insn(env, ctx, ISA_MIPS32R2);
4635 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
4645 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
4655 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
4665 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
4669 check_insn(env, ctx, ISA_MIPS32R2);
4670 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
4680 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
4684 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
4688 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
4692 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
4695 /* 6,7 are implementation dependent */
4697 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
4701 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
4711 gen_helper_dmfc0_lladdr(arg);
4721 gen_helper_1i(dmfc0_watchlo, arg, sel);
4731 gen_helper_1i(mfc0_watchhi, arg, sel);
4741 check_insn(env, ctx, ISA_MIPS3);
4742 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
4750 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4753 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
4761 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4762 rn = "'Diagnostic"; /* implementation dependent */
4767 gen_helper_mfc0_debug(arg); /* EJTAG support */
4771 // gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
4772 rn = "TraceControl";
4775 // gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
4776 rn = "TraceControl2";
4779 // gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
4780 rn = "UserTraceData";
4783 // gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
4794 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
4804 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
4805 rn = "Performance0";
4808 // gen_helper_dmfc0_performance1(arg);
4809 rn = "Performance1";
4812 // gen_helper_dmfc0_performance2(arg);
4813 rn = "Performance2";
4816 // gen_helper_dmfc0_performance3(arg);
4817 rn = "Performance3";
4820 // gen_helper_dmfc0_performance4(arg);
4821 rn = "Performance4";
4824 // gen_helper_dmfc0_performance5(arg);
4825 rn = "Performance5";
4828 // gen_helper_dmfc0_performance6(arg);
4829 rn = "Performance6";
4832 // gen_helper_dmfc0_performance7(arg);
4833 rn = "Performance7";
4840 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4847 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4860 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
4867 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
4880 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
4887 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
4897 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
4908 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
4918 (void)rn; /* avoid a compiler warning */
4919 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4923 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4924 generate_exception(ctx, EXCP_RI);
4927 static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4929 const char *rn = "invalid";
4932 check_insn(env, ctx, ISA_MIPS64);
4941 gen_helper_mtc0_index(arg);
4945 check_insn(env, ctx, ASE_MT);
4946 gen_helper_mtc0_mvpcontrol(arg);
4950 check_insn(env, ctx, ASE_MT);
4955 check_insn(env, ctx, ASE_MT);
4970 check_insn(env, ctx, ASE_MT);
4971 gen_helper_mtc0_vpecontrol(arg);
4975 check_insn(env, ctx, ASE_MT);
4976 gen_helper_mtc0_vpeconf0(arg);
4980 check_insn(env, ctx, ASE_MT);
4981 gen_helper_mtc0_vpeconf1(arg);
4985 check_insn(env, ctx, ASE_MT);
4986 gen_helper_mtc0_yqmask(arg);
4990 check_insn(env, ctx, ASE_MT);
4991 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4995 check_insn(env, ctx, ASE_MT);
4996 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4997 rn = "VPEScheFBack";
5000 check_insn(env, ctx, ASE_MT);
5001 gen_helper_mtc0_vpeopt(arg);
5011 gen_helper_mtc0_entrylo0(arg);
5015 check_insn(env, ctx, ASE_MT);
5016 gen_helper_mtc0_tcstatus(arg);
5020 check_insn(env, ctx, ASE_MT);
5021 gen_helper_mtc0_tcbind(arg);
5025 check_insn(env, ctx, ASE_MT);
5026 gen_helper_mtc0_tcrestart(arg);
5030 check_insn(env, ctx, ASE_MT);
5031 gen_helper_mtc0_tchalt(arg);
5035 check_insn(env, ctx, ASE_MT);
5036 gen_helper_mtc0_tccontext(arg);
5040 check_insn(env, ctx, ASE_MT);
5041 gen_helper_mtc0_tcschedule(arg);
5045 check_insn(env, ctx, ASE_MT);
5046 gen_helper_mtc0_tcschefback(arg);
5056 gen_helper_mtc0_entrylo1(arg);
5066 gen_helper_mtc0_context(arg);
5070 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
5071 rn = "ContextConfig";
5080 gen_helper_mtc0_pagemask(arg);
5084 check_insn(env, ctx, ISA_MIPS32R2);
5085 gen_helper_mtc0_pagegrain(arg);
5095 gen_helper_mtc0_wired(arg);
5099 check_insn(env, ctx, ISA_MIPS32R2);
5100 gen_helper_mtc0_srsconf0(arg);
5104 check_insn(env, ctx, ISA_MIPS32R2);
5105 gen_helper_mtc0_srsconf1(arg);
5109 check_insn(env, ctx, ISA_MIPS32R2);
5110 gen_helper_mtc0_srsconf2(arg);
5114 check_insn(env, ctx, ISA_MIPS32R2);
5115 gen_helper_mtc0_srsconf3(arg);
5119 check_insn(env, ctx, ISA_MIPS32R2);
5120 gen_helper_mtc0_srsconf4(arg);
5130 check_insn(env, ctx, ISA_MIPS32R2);
5131 gen_helper_mtc0_hwrena(arg);
5145 gen_helper_mtc0_count(arg);
5148 /* 6,7 are implementation dependent */
5152 /* Stop translation as we may have switched the execution mode */
5153 ctx->bstate = BS_STOP;
5158 gen_helper_mtc0_entryhi(arg);
5168 gen_helper_mtc0_compare(arg);
5171 /* 6,7 are implementation dependent */
5175 /* Stop translation as we may have switched the execution mode */
5176 ctx->bstate = BS_STOP;
5181 save_cpu_state(ctx, 1);
5182 gen_helper_mtc0_status(arg);
5183 /* BS_STOP isn't good enough here, hflags may have changed. */
5184 gen_save_pc(ctx->pc + 4);
5185 ctx->bstate = BS_EXCP;
5189 check_insn(env, ctx, ISA_MIPS32R2);
5190 gen_helper_mtc0_intctl(arg);
5191 /* Stop translation as we may have switched the execution mode */
5192 ctx->bstate = BS_STOP;
5196 check_insn(env, ctx, ISA_MIPS32R2);
5197 gen_helper_mtc0_srsctl(arg);
5198 /* Stop translation as we may have switched the execution mode */
5199 ctx->bstate = BS_STOP;
5203 check_insn(env, ctx, ISA_MIPS32R2);
5204 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
5205 /* Stop translation as we may have switched the execution mode */
5206 ctx->bstate = BS_STOP;
5216 save_cpu_state(ctx, 1);
5217 /* Mark as an IO operation because we may trigger a software
5222 gen_helper_mtc0_cause(arg);
5226 /* Stop translation as we may have triggered an intetrupt */
5227 ctx->bstate = BS_STOP;
5237 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
5251 check_insn(env, ctx, ISA_MIPS32R2);
5252 gen_helper_mtc0_ebase(arg);
5262 gen_helper_mtc0_config0(arg);
5264 /* Stop translation as we may have switched the execution mode */
5265 ctx->bstate = BS_STOP;
5268 /* ignored, read only */
5272 gen_helper_mtc0_config2(arg);
5274 /* Stop translation as we may have switched the execution mode */
5275 ctx->bstate = BS_STOP;
5281 /* 6,7 are implementation dependent */
5283 rn = "Invalid config selector";
5290 gen_helper_mtc0_lladdr(arg);
5300 gen_helper_1i(mtc0_watchlo, arg, sel);
5310 gen_helper_1i(mtc0_watchhi, arg, sel);
5320 check_insn(env, ctx, ISA_MIPS3);
5321 gen_helper_mtc0_xcontext(arg);
5329 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5332 gen_helper_mtc0_framemask(arg);
5341 rn = "Diagnostic"; /* implementation dependent */
5346 gen_helper_mtc0_debug(arg); /* EJTAG support */
5347 /* BS_STOP isn't good enough here, hflags may have changed. */
5348 gen_save_pc(ctx->pc + 4);
5349 ctx->bstate = BS_EXCP;
5353 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
5354 /* Stop translation as we may have switched the execution mode */
5355 ctx->bstate = BS_STOP;
5356 rn = "TraceControl";
5359 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
5360 /* Stop translation as we may have switched the execution mode */
5361 ctx->bstate = BS_STOP;
5362 rn = "TraceControl2";
5365 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
5366 /* Stop translation as we may have switched the execution mode */
5367 ctx->bstate = BS_STOP;
5368 rn = "UserTraceData";
5371 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
5372 /* Stop translation as we may have switched the execution mode */
5373 ctx->bstate = BS_STOP;
5384 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
5394 gen_helper_mtc0_performance0(arg);
5395 rn = "Performance0";
5398 // gen_helper_mtc0_performance1(arg);
5399 rn = "Performance1";
5402 // gen_helper_mtc0_performance2(arg);
5403 rn = "Performance2";
5406 // gen_helper_mtc0_performance3(arg);
5407 rn = "Performance3";
5410 // gen_helper_mtc0_performance4(arg);
5411 rn = "Performance4";
5414 // gen_helper_mtc0_performance5(arg);
5415 rn = "Performance5";
5418 // gen_helper_mtc0_performance6(arg);
5419 rn = "Performance6";
5422 // gen_helper_mtc0_performance7(arg);
5423 rn = "Performance7";
5449 gen_helper_mtc0_taglo(arg);
5456 gen_helper_mtc0_datalo(arg);
5469 gen_helper_mtc0_taghi(arg);
5476 gen_helper_mtc0_datahi(arg);
5487 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
5498 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
5504 /* Stop translation as we may have switched the execution mode */
5505 ctx->bstate = BS_STOP;
5510 (void)rn; /* avoid a compiler warning */
5511 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5512 /* For simplicity assume that all writes can cause interrupts. */
5515 ctx->bstate = BS_STOP;
5520 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5521 generate_exception(ctx, EXCP_RI);
5523 #endif /* TARGET_MIPS64 */
5525 static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd,
5526 int u, int sel, int h)
5528 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5529 TCGv t0 = tcg_temp_local_new();
5531 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5532 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5533 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5534 tcg_gen_movi_tl(t0, -1);
5535 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5536 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5537 tcg_gen_movi_tl(t0, -1);
5543 gen_helper_mftc0_vpecontrol(t0);
5546 gen_helper_mftc0_vpeconf0(t0);
5556 gen_helper_mftc0_tcstatus(t0);
5559 gen_helper_mftc0_tcbind(t0);
5562 gen_helper_mftc0_tcrestart(t0);
5565 gen_helper_mftc0_tchalt(t0);
5568 gen_helper_mftc0_tccontext(t0);
5571 gen_helper_mftc0_tcschedule(t0);
5574 gen_helper_mftc0_tcschefback(t0);
5577 gen_mfc0(env, ctx, t0, rt, sel);
5584 gen_helper_mftc0_entryhi(t0);
5587 gen_mfc0(env, ctx, t0, rt, sel);
5593 gen_helper_mftc0_status(t0);
5596 gen_mfc0(env, ctx, t0, rt, sel);
5602 gen_helper_mftc0_cause(t0);
5612 gen_helper_mftc0_epc(t0);
5622 gen_helper_mftc0_ebase(t0);
5632 gen_helper_mftc0_configx(t0, tcg_const_tl(sel));
5642 gen_helper_mftc0_debug(t0);
5645 gen_mfc0(env, ctx, t0, rt, sel);
5650 gen_mfc0(env, ctx, t0, rt, sel);
5652 } else switch (sel) {
5653 /* GPR registers. */
5655 gen_helper_1i(mftgpr, t0, rt);
5657 /* Auxiliary CPU registers */
5661 gen_helper_1i(mftlo, t0, 0);
5664 gen_helper_1i(mfthi, t0, 0);
5667 gen_helper_1i(mftacx, t0, 0);
5670 gen_helper_1i(mftlo, t0, 1);
5673 gen_helper_1i(mfthi, t0, 1);
5676 gen_helper_1i(mftacx, t0, 1);
5679 gen_helper_1i(mftlo, t0, 2);
5682 gen_helper_1i(mfthi, t0, 2);
5685 gen_helper_1i(mftacx, t0, 2);
5688 gen_helper_1i(mftlo, t0, 3);
5691 gen_helper_1i(mfthi, t0, 3);
5694 gen_helper_1i(mftacx, t0, 3);
5697 gen_helper_mftdsp(t0);
5703 /* Floating point (COP1). */
5705 /* XXX: For now we support only a single FPU context. */
5707 TCGv_i32 fp0 = tcg_temp_new_i32();
5709 gen_load_fpr32(fp0, rt);
5710 tcg_gen_ext_i32_tl(t0, fp0);
5711 tcg_temp_free_i32(fp0);
5713 TCGv_i32 fp0 = tcg_temp_new_i32();
5715 gen_load_fpr32h(fp0, rt);
5716 tcg_gen_ext_i32_tl(t0, fp0);
5717 tcg_temp_free_i32(fp0);
5721 /* XXX: For now we support only a single FPU context. */
5722 gen_helper_1i(cfc1, t0, rt);
5724 /* COP2: Not implemented. */
5731 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5732 gen_store_gpr(t0, rd);
5738 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5739 generate_exception(ctx, EXCP_RI);
5742 static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt,
5743 int u, int sel, int h)
5745 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5746 TCGv t0 = tcg_temp_local_new();
5748 gen_load_gpr(t0, rt);
5749 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5750 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5751 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5753 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5754 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5761 gen_helper_mttc0_vpecontrol(t0);
5764 gen_helper_mttc0_vpeconf0(t0);
5774 gen_helper_mttc0_tcstatus(t0);
5777 gen_helper_mttc0_tcbind(t0);
5780 gen_helper_mttc0_tcrestart(t0);
5783 gen_helper_mttc0_tchalt(t0);
5786 gen_helper_mttc0_tccontext(t0);
5789 gen_helper_mttc0_tcschedule(t0);
5792 gen_helper_mttc0_tcschefback(t0);
5795 gen_mtc0(env, ctx, t0, rd, sel);
5802 gen_helper_mttc0_entryhi(t0);
5805 gen_mtc0(env, ctx, t0, rd, sel);
5811 gen_helper_mttc0_status(t0);
5814 gen_mtc0(env, ctx, t0, rd, sel);
5820 gen_helper_mttc0_cause(t0);
5830 gen_helper_mttc0_ebase(t0);
5840 gen_helper_mttc0_debug(t0);
5843 gen_mtc0(env, ctx, t0, rd, sel);
5848 gen_mtc0(env, ctx, t0, rd, sel);
5850 } else switch (sel) {
5851 /* GPR registers. */
5853 gen_helper_1i(mttgpr, t0, rd);
5855 /* Auxiliary CPU registers */
5859 gen_helper_1i(mttlo, t0, 0);
5862 gen_helper_1i(mtthi, t0, 0);
5865 gen_helper_1i(mttacx, t0, 0);
5868 gen_helper_1i(mttlo, t0, 1);
5871 gen_helper_1i(mtthi, t0, 1);
5874 gen_helper_1i(mttacx, t0, 1);
5877 gen_helper_1i(mttlo, t0, 2);
5880 gen_helper_1i(mtthi, t0, 2);
5883 gen_helper_1i(mttacx, t0, 2);
5886 gen_helper_1i(mttlo, t0, 3);
5889 gen_helper_1i(mtthi, t0, 3);
5892 gen_helper_1i(mttacx, t0, 3);
5895 gen_helper_mttdsp(t0);
5901 /* Floating point (COP1). */
5903 /* XXX: For now we support only a single FPU context. */
5905 TCGv_i32 fp0 = tcg_temp_new_i32();
5907 tcg_gen_trunc_tl_i32(fp0, t0);
5908 gen_store_fpr32(fp0, rd);
5909 tcg_temp_free_i32(fp0);
5911 TCGv_i32 fp0 = tcg_temp_new_i32();
5913 tcg_gen_trunc_tl_i32(fp0, t0);
5914 gen_store_fpr32h(fp0, rd);
5915 tcg_temp_free_i32(fp0);
5919 /* XXX: For now we support only a single FPU context. */
5920 gen_helper_1i(ctc1, t0, rd);
5922 /* COP2: Not implemented. */
5929 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5935 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5936 generate_exception(ctx, EXCP_RI);
5939 static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
5941 const char *opn = "ldst";
5949 gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5954 TCGv t0 = tcg_temp_new();
5956 gen_load_gpr(t0, rt);
5957 gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5962 #if defined(TARGET_MIPS64)
5964 check_insn(env, ctx, ISA_MIPS3);
5969 gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5973 check_insn(env, ctx, ISA_MIPS3);
5975 TCGv t0 = tcg_temp_new();
5977 gen_load_gpr(t0, rt);
5978 gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5985 check_insn(env, ctx, ASE_MT);
5990 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
5991 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5995 check_insn(env, ctx, ASE_MT);
5996 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
5997 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
6002 if (!env->tlb->helper_tlbwi)
6008 if (!env->tlb->helper_tlbwr)
6014 if (!env->tlb->helper_tlbp)
6020 if (!env->tlb->helper_tlbr)
6026 check_insn(env, ctx, ISA_MIPS2);
6028 ctx->bstate = BS_EXCP;
6032 check_insn(env, ctx, ISA_MIPS32);
6033 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
6035 generate_exception(ctx, EXCP_RI);
6038 ctx->bstate = BS_EXCP;
6043 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
6044 /* If we get an exception, we want to restart at next instruction */
6046 save_cpu_state(ctx, 1);
6049 ctx->bstate = BS_EXCP;
6054 generate_exception(ctx, EXCP_RI);
6057 (void)opn; /* avoid a compiler warning */
6058 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
6060 #endif /* !CONFIG_USER_ONLY */
6062 /* CP1 Branches (before delay slot) */
6063 static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
6064 int32_t cc, int32_t offset)
6066 target_ulong btarget;
6067 const char *opn = "cp1 cond branch";
6068 TCGv_i32 t0 = tcg_temp_new_i32();
6071 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
6073 btarget = ctx->pc + 4 + offset;
6077 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6078 tcg_gen_not_i32(t0, t0);
6079 tcg_gen_andi_i32(t0, t0, 1);
6080 tcg_gen_extu_i32_tl(bcond, t0);
6084 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6085 tcg_gen_not_i32(t0, t0);
6086 tcg_gen_andi_i32(t0, t0, 1);
6087 tcg_gen_extu_i32_tl(bcond, t0);
6091 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6092 tcg_gen_andi_i32(t0, t0, 1);
6093 tcg_gen_extu_i32_tl(bcond, t0);
6097 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6098 tcg_gen_andi_i32(t0, t0, 1);
6099 tcg_gen_extu_i32_tl(bcond, t0);
6102 ctx->hflags |= MIPS_HFLAG_BL;
6106 TCGv_i32 t1 = tcg_temp_new_i32();
6107 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6108 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6109 tcg_gen_nor_i32(t0, t0, t1);
6110 tcg_temp_free_i32(t1);
6111 tcg_gen_andi_i32(t0, t0, 1);
6112 tcg_gen_extu_i32_tl(bcond, t0);
6118 TCGv_i32 t1 = tcg_temp_new_i32();
6119 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6120 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6121 tcg_gen_or_i32(t0, t0, t1);
6122 tcg_temp_free_i32(t1);
6123 tcg_gen_andi_i32(t0, t0, 1);
6124 tcg_gen_extu_i32_tl(bcond, t0);
6130 TCGv_i32 t1 = tcg_temp_new_i32();
6131 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6132 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6133 tcg_gen_or_i32(t0, t0, t1);
6134 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
6135 tcg_gen_or_i32(t0, t0, t1);
6136 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
6137 tcg_gen_nor_i32(t0, t0, t1);
6138 tcg_temp_free_i32(t1);
6139 tcg_gen_andi_i32(t0, t0, 1);
6140 tcg_gen_extu_i32_tl(bcond, t0);
6146 TCGv_i32 t1 = tcg_temp_new_i32();
6147 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6148 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6149 tcg_gen_or_i32(t0, t0, t1);
6150 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
6151 tcg_gen_or_i32(t0, t0, t1);
6152 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
6153 tcg_gen_or_i32(t0, t0, t1);
6154 tcg_temp_free_i32(t1);
6155 tcg_gen_andi_i32(t0, t0, 1);
6156 tcg_gen_extu_i32_tl(bcond, t0);
6160 ctx->hflags |= MIPS_HFLAG_BC;
6164 generate_exception (ctx, EXCP_RI);
6167 (void)opn; /* avoid a compiler warning */
6168 MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
6169 ctx->hflags, btarget);
6170 ctx->btarget = btarget;
6173 tcg_temp_free_i32(t0);
6176 /* Coprocessor 1 (FPU) */
6178 #define FOP(func, fmt) (((fmt) << 21) | (func))
6181 OPC_ADD_S = FOP(0, FMT_S),
6182 OPC_SUB_S = FOP(1, FMT_S),
6183 OPC_MUL_S = FOP(2, FMT_S),
6184 OPC_DIV_S = FOP(3, FMT_S),
6185 OPC_SQRT_S = FOP(4, FMT_S),
6186 OPC_ABS_S = FOP(5, FMT_S),
6187 OPC_MOV_S = FOP(6, FMT_S),
6188 OPC_NEG_S = FOP(7, FMT_S),
6189 OPC_ROUND_L_S = FOP(8, FMT_S),
6190 OPC_TRUNC_L_S = FOP(9, FMT_S),
6191 OPC_CEIL_L_S = FOP(10, FMT_S),
6192 OPC_FLOOR_L_S = FOP(11, FMT_S),
6193 OPC_ROUND_W_S = FOP(12, FMT_S),
6194 OPC_TRUNC_W_S = FOP(13, FMT_S),
6195 OPC_CEIL_W_S = FOP(14, FMT_S),
6196 OPC_FLOOR_W_S = FOP(15, FMT_S),
6197 OPC_MOVCF_S = FOP(17, FMT_S),
6198 OPC_MOVZ_S = FOP(18, FMT_S),
6199 OPC_MOVN_S = FOP(19, FMT_S),
6200 OPC_RECIP_S = FOP(21, FMT_S),
6201 OPC_RSQRT_S = FOP(22, FMT_S),
6202 OPC_RECIP2_S = FOP(28, FMT_S),
6203 OPC_RECIP1_S = FOP(29, FMT_S),
6204 OPC_RSQRT1_S = FOP(30, FMT_S),
6205 OPC_RSQRT2_S = FOP(31, FMT_S),
6206 OPC_CVT_D_S = FOP(33, FMT_S),
6207 OPC_CVT_W_S = FOP(36, FMT_S),
6208 OPC_CVT_L_S = FOP(37, FMT_S),
6209 OPC_CVT_PS_S = FOP(38, FMT_S),
6210 OPC_CMP_F_S = FOP (48, FMT_S),
6211 OPC_CMP_UN_S = FOP (49, FMT_S),
6212 OPC_CMP_EQ_S = FOP (50, FMT_S),
6213 OPC_CMP_UEQ_S = FOP (51, FMT_S),
6214 OPC_CMP_OLT_S = FOP (52, FMT_S),
6215 OPC_CMP_ULT_S = FOP (53, FMT_S),
6216 OPC_CMP_OLE_S = FOP (54, FMT_S),
6217 OPC_CMP_ULE_S = FOP (55, FMT_S),
6218 OPC_CMP_SF_S = FOP (56, FMT_S),
6219 OPC_CMP_NGLE_S = FOP (57, FMT_S),
6220 OPC_CMP_SEQ_S = FOP (58, FMT_S),
6221 OPC_CMP_NGL_S = FOP (59, FMT_S),
6222 OPC_CMP_LT_S = FOP (60, FMT_S),
6223 OPC_CMP_NGE_S = FOP (61, FMT_S),
6224 OPC_CMP_LE_S = FOP (62, FMT_S),
6225 OPC_CMP_NGT_S = FOP (63, FMT_S),
6227 OPC_ADD_D = FOP(0, FMT_D),
6228 OPC_SUB_D = FOP(1, FMT_D),
6229 OPC_MUL_D = FOP(2, FMT_D),
6230 OPC_DIV_D = FOP(3, FMT_D),
6231 OPC_SQRT_D = FOP(4, FMT_D),
6232 OPC_ABS_D = FOP(5, FMT_D),
6233 OPC_MOV_D = FOP(6, FMT_D),
6234 OPC_NEG_D = FOP(7, FMT_D),
6235 OPC_ROUND_L_D = FOP(8, FMT_D),
6236 OPC_TRUNC_L_D = FOP(9, FMT_D),
6237 OPC_CEIL_L_D = FOP(10, FMT_D),
6238 OPC_FLOOR_L_D = FOP(11, FMT_D),
6239 OPC_ROUND_W_D = FOP(12, FMT_D),
6240 OPC_TRUNC_W_D = FOP(13, FMT_D),
6241 OPC_CEIL_W_D = FOP(14, FMT_D),
6242 OPC_FLOOR_W_D = FOP(15, FMT_D),
6243 OPC_MOVCF_D = FOP(17, FMT_D),
6244 OPC_MOVZ_D = FOP(18, FMT_D),
6245 OPC_MOVN_D = FOP(19, FMT_D),
6246 OPC_RECIP_D = FOP(21, FMT_D),
6247 OPC_RSQRT_D = FOP(22, FMT_D),
6248 OPC_RECIP2_D = FOP(28, FMT_D),
6249 OPC_RECIP1_D = FOP(29, FMT_D),
6250 OPC_RSQRT1_D = FOP(30, FMT_D),
6251 OPC_RSQRT2_D = FOP(31, FMT_D),
6252 OPC_CVT_S_D = FOP(32, FMT_D),
6253 OPC_CVT_W_D = FOP(36, FMT_D),
6254 OPC_CVT_L_D = FOP(37, FMT_D),
6255 OPC_CMP_F_D = FOP (48, FMT_D),
6256 OPC_CMP_UN_D = FOP (49, FMT_D),
6257 OPC_CMP_EQ_D = FOP (50, FMT_D),
6258 OPC_CMP_UEQ_D = FOP (51, FMT_D),
6259 OPC_CMP_OLT_D = FOP (52, FMT_D),
6260 OPC_CMP_ULT_D = FOP (53, FMT_D),
6261 OPC_CMP_OLE_D = FOP (54, FMT_D),
6262 OPC_CMP_ULE_D = FOP (55, FMT_D),
6263 OPC_CMP_SF_D = FOP (56, FMT_D),
6264 OPC_CMP_NGLE_D = FOP (57, FMT_D),
6265 OPC_CMP_SEQ_D = FOP (58, FMT_D),
6266 OPC_CMP_NGL_D = FOP (59, FMT_D),
6267 OPC_CMP_LT_D = FOP (60, FMT_D),
6268 OPC_CMP_NGE_D = FOP (61, FMT_D),
6269 OPC_CMP_LE_D = FOP (62, FMT_D),
6270 OPC_CMP_NGT_D = FOP (63, FMT_D),
6272 OPC_CVT_S_W = FOP(32, FMT_W),
6273 OPC_CVT_D_W = FOP(33, FMT_W),
6274 OPC_CVT_S_L = FOP(32, FMT_L),
6275 OPC_CVT_D_L = FOP(33, FMT_L),
6276 OPC_CVT_PS_PW = FOP(38, FMT_W),
6278 OPC_ADD_PS = FOP(0, FMT_PS),
6279 OPC_SUB_PS = FOP(1, FMT_PS),
6280 OPC_MUL_PS = FOP(2, FMT_PS),
6281 OPC_DIV_PS = FOP(3, FMT_PS),
6282 OPC_ABS_PS = FOP(5, FMT_PS),
6283 OPC_MOV_PS = FOP(6, FMT_PS),
6284 OPC_NEG_PS = FOP(7, FMT_PS),
6285 OPC_MOVCF_PS = FOP(17, FMT_PS),
6286 OPC_MOVZ_PS = FOP(18, FMT_PS),
6287 OPC_MOVN_PS = FOP(19, FMT_PS),
6288 OPC_ADDR_PS = FOP(24, FMT_PS),
6289 OPC_MULR_PS = FOP(26, FMT_PS),
6290 OPC_RECIP2_PS = FOP(28, FMT_PS),
6291 OPC_RECIP1_PS = FOP(29, FMT_PS),
6292 OPC_RSQRT1_PS = FOP(30, FMT_PS),
6293 OPC_RSQRT2_PS = FOP(31, FMT_PS),
6295 OPC_CVT_S_PU = FOP(32, FMT_PS),
6296 OPC_CVT_PW_PS = FOP(36, FMT_PS),
6297 OPC_CVT_S_PL = FOP(40, FMT_PS),
6298 OPC_PLL_PS = FOP(44, FMT_PS),
6299 OPC_PLU_PS = FOP(45, FMT_PS),
6300 OPC_PUL_PS = FOP(46, FMT_PS),
6301 OPC_PUU_PS = FOP(47, FMT_PS),
6302 OPC_CMP_F_PS = FOP (48, FMT_PS),
6303 OPC_CMP_UN_PS = FOP (49, FMT_PS),
6304 OPC_CMP_EQ_PS = FOP (50, FMT_PS),
6305 OPC_CMP_UEQ_PS = FOP (51, FMT_PS),
6306 OPC_CMP_OLT_PS = FOP (52, FMT_PS),
6307 OPC_CMP_ULT_PS = FOP (53, FMT_PS),
6308 OPC_CMP_OLE_PS = FOP (54, FMT_PS),
6309 OPC_CMP_ULE_PS = FOP (55, FMT_PS),
6310 OPC_CMP_SF_PS = FOP (56, FMT_PS),
6311 OPC_CMP_NGLE_PS = FOP (57, FMT_PS),
6312 OPC_CMP_SEQ_PS = FOP (58, FMT_PS),
6313 OPC_CMP_NGL_PS = FOP (59, FMT_PS),
6314 OPC_CMP_LT_PS = FOP (60, FMT_PS),
6315 OPC_CMP_NGE_PS = FOP (61, FMT_PS),
6316 OPC_CMP_LE_PS = FOP (62, FMT_PS),
6317 OPC_CMP_NGT_PS = FOP (63, FMT_PS),
6320 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
6322 const char *opn = "cp1 move";
6323 TCGv t0 = tcg_temp_new();
6328 TCGv_i32 fp0 = tcg_temp_new_i32();
6330 gen_load_fpr32(fp0, fs);
6331 tcg_gen_ext_i32_tl(t0, fp0);
6332 tcg_temp_free_i32(fp0);
6334 gen_store_gpr(t0, rt);
6338 gen_load_gpr(t0, rt);
6340 TCGv_i32 fp0 = tcg_temp_new_i32();
6342 tcg_gen_trunc_tl_i32(fp0, t0);
6343 gen_store_fpr32(fp0, fs);
6344 tcg_temp_free_i32(fp0);
6349 gen_helper_1i(cfc1, t0, fs);
6350 gen_store_gpr(t0, rt);
6354 gen_load_gpr(t0, rt);
6355 gen_helper_1i(ctc1, t0, fs);
6358 #if defined(TARGET_MIPS64)
6360 gen_load_fpr64(ctx, t0, fs);
6361 gen_store_gpr(t0, rt);
6365 gen_load_gpr(t0, rt);
6366 gen_store_fpr64(ctx, t0, fs);
6372 TCGv_i32 fp0 = tcg_temp_new_i32();
6374 gen_load_fpr32h(fp0, fs);
6375 tcg_gen_ext_i32_tl(t0, fp0);
6376 tcg_temp_free_i32(fp0);
6378 gen_store_gpr(t0, rt);
6382 gen_load_gpr(t0, rt);
6384 TCGv_i32 fp0 = tcg_temp_new_i32();
6386 tcg_gen_trunc_tl_i32(fp0, t0);
6387 gen_store_fpr32h(fp0, fs);
6388 tcg_temp_free_i32(fp0);
6394 generate_exception (ctx, EXCP_RI);
6397 (void)opn; /* avoid a compiler warning */
6398 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
6404 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
6420 l1 = gen_new_label();
6421 t0 = tcg_temp_new_i32();
6422 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6423 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6424 tcg_temp_free_i32(t0);
6426 tcg_gen_movi_tl(cpu_gpr[rd], 0);
6428 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
6433 static inline void gen_movcf_s (int fs, int fd, int cc, int tf)
6436 TCGv_i32 t0 = tcg_temp_new_i32();
6437 int l1 = gen_new_label();
6444 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6445 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6446 gen_load_fpr32(t0, fs);
6447 gen_store_fpr32(t0, fd);
6449 tcg_temp_free_i32(t0);
6452 static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
6455 TCGv_i32 t0 = tcg_temp_new_i32();
6457 int l1 = gen_new_label();
6464 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6465 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6466 tcg_temp_free_i32(t0);
6467 fp0 = tcg_temp_new_i64();
6468 gen_load_fpr64(ctx, fp0, fs);
6469 gen_store_fpr64(ctx, fp0, fd);
6470 tcg_temp_free_i64(fp0);
6474 static inline void gen_movcf_ps (int fs, int fd, int cc, int tf)
6477 TCGv_i32 t0 = tcg_temp_new_i32();
6478 int l1 = gen_new_label();
6479 int l2 = gen_new_label();
6486 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6487 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6488 gen_load_fpr32(t0, fs);
6489 gen_store_fpr32(t0, fd);
6492 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1));
6493 tcg_gen_brcondi_i32(cond, t0, 0, l2);
6494 gen_load_fpr32h(t0, fs);
6495 gen_store_fpr32h(t0, fd);
6496 tcg_temp_free_i32(t0);
6501 static void gen_farith (DisasContext *ctx, enum fopcode op1,
6502 int ft, int fs, int fd, int cc)
6504 const char *opn = "farith";
6505 const char *condnames[] = {
6523 const char *condnames_abs[] = {
6541 enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
6542 uint32_t func = ctx->opcode & 0x3f;
6547 TCGv_i32 fp0 = tcg_temp_new_i32();
6548 TCGv_i32 fp1 = tcg_temp_new_i32();
6550 gen_load_fpr32(fp0, fs);
6551 gen_load_fpr32(fp1, ft);
6552 gen_helper_float_add_s(fp0, fp0, fp1);
6553 tcg_temp_free_i32(fp1);
6554 gen_store_fpr32(fp0, fd);
6555 tcg_temp_free_i32(fp0);
6562 TCGv_i32 fp0 = tcg_temp_new_i32();
6563 TCGv_i32 fp1 = tcg_temp_new_i32();
6565 gen_load_fpr32(fp0, fs);
6566 gen_load_fpr32(fp1, ft);
6567 gen_helper_float_sub_s(fp0, fp0, fp1);
6568 tcg_temp_free_i32(fp1);
6569 gen_store_fpr32(fp0, fd);
6570 tcg_temp_free_i32(fp0);
6577 TCGv_i32 fp0 = tcg_temp_new_i32();
6578 TCGv_i32 fp1 = tcg_temp_new_i32();
6580 gen_load_fpr32(fp0, fs);
6581 gen_load_fpr32(fp1, ft);
6582 gen_helper_float_mul_s(fp0, fp0, fp1);
6583 tcg_temp_free_i32(fp1);
6584 gen_store_fpr32(fp0, fd);
6585 tcg_temp_free_i32(fp0);
6592 TCGv_i32 fp0 = tcg_temp_new_i32();
6593 TCGv_i32 fp1 = tcg_temp_new_i32();
6595 gen_load_fpr32(fp0, fs);
6596 gen_load_fpr32(fp1, ft);
6597 gen_helper_float_div_s(fp0, fp0, fp1);
6598 tcg_temp_free_i32(fp1);
6599 gen_store_fpr32(fp0, fd);
6600 tcg_temp_free_i32(fp0);
6607 TCGv_i32 fp0 = tcg_temp_new_i32();
6609 gen_load_fpr32(fp0, fs);
6610 gen_helper_float_sqrt_s(fp0, fp0);
6611 gen_store_fpr32(fp0, fd);
6612 tcg_temp_free_i32(fp0);
6618 TCGv_i32 fp0 = tcg_temp_new_i32();
6620 gen_load_fpr32(fp0, fs);
6621 gen_helper_float_abs_s(fp0, fp0);
6622 gen_store_fpr32(fp0, fd);
6623 tcg_temp_free_i32(fp0);
6629 TCGv_i32 fp0 = tcg_temp_new_i32();
6631 gen_load_fpr32(fp0, fs);
6632 gen_store_fpr32(fp0, fd);
6633 tcg_temp_free_i32(fp0);
6639 TCGv_i32 fp0 = tcg_temp_new_i32();
6641 gen_load_fpr32(fp0, fs);
6642 gen_helper_float_chs_s(fp0, fp0);
6643 gen_store_fpr32(fp0, fd);
6644 tcg_temp_free_i32(fp0);
6649 check_cp1_64bitmode(ctx);
6651 TCGv_i32 fp32 = tcg_temp_new_i32();
6652 TCGv_i64 fp64 = tcg_temp_new_i64();
6654 gen_load_fpr32(fp32, fs);
6655 gen_helper_float_roundl_s(fp64, fp32);
6656 tcg_temp_free_i32(fp32);
6657 gen_store_fpr64(ctx, fp64, fd);
6658 tcg_temp_free_i64(fp64);
6663 check_cp1_64bitmode(ctx);
6665 TCGv_i32 fp32 = tcg_temp_new_i32();
6666 TCGv_i64 fp64 = tcg_temp_new_i64();
6668 gen_load_fpr32(fp32, fs);
6669 gen_helper_float_truncl_s(fp64, fp32);
6670 tcg_temp_free_i32(fp32);
6671 gen_store_fpr64(ctx, fp64, fd);
6672 tcg_temp_free_i64(fp64);
6677 check_cp1_64bitmode(ctx);
6679 TCGv_i32 fp32 = tcg_temp_new_i32();
6680 TCGv_i64 fp64 = tcg_temp_new_i64();
6682 gen_load_fpr32(fp32, fs);
6683 gen_helper_float_ceill_s(fp64, fp32);
6684 tcg_temp_free_i32(fp32);
6685 gen_store_fpr64(ctx, fp64, fd);
6686 tcg_temp_free_i64(fp64);
6691 check_cp1_64bitmode(ctx);
6693 TCGv_i32 fp32 = tcg_temp_new_i32();
6694 TCGv_i64 fp64 = tcg_temp_new_i64();
6696 gen_load_fpr32(fp32, fs);
6697 gen_helper_float_floorl_s(fp64, fp32);
6698 tcg_temp_free_i32(fp32);
6699 gen_store_fpr64(ctx, fp64, fd);
6700 tcg_temp_free_i64(fp64);
6706 TCGv_i32 fp0 = tcg_temp_new_i32();
6708 gen_load_fpr32(fp0, fs);
6709 gen_helper_float_roundw_s(fp0, fp0);
6710 gen_store_fpr32(fp0, fd);
6711 tcg_temp_free_i32(fp0);
6717 TCGv_i32 fp0 = tcg_temp_new_i32();
6719 gen_load_fpr32(fp0, fs);
6720 gen_helper_float_truncw_s(fp0, fp0);
6721 gen_store_fpr32(fp0, fd);
6722 tcg_temp_free_i32(fp0);
6728 TCGv_i32 fp0 = tcg_temp_new_i32();
6730 gen_load_fpr32(fp0, fs);
6731 gen_helper_float_ceilw_s(fp0, fp0);
6732 gen_store_fpr32(fp0, fd);
6733 tcg_temp_free_i32(fp0);
6739 TCGv_i32 fp0 = tcg_temp_new_i32();
6741 gen_load_fpr32(fp0, fs);
6742 gen_helper_float_floorw_s(fp0, fp0);
6743 gen_store_fpr32(fp0, fd);
6744 tcg_temp_free_i32(fp0);
6749 gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6754 int l1 = gen_new_label();
6758 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
6760 fp0 = tcg_temp_new_i32();
6761 gen_load_fpr32(fp0, fs);
6762 gen_store_fpr32(fp0, fd);
6763 tcg_temp_free_i32(fp0);
6770 int l1 = gen_new_label();
6774 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
6775 fp0 = tcg_temp_new_i32();
6776 gen_load_fpr32(fp0, fs);
6777 gen_store_fpr32(fp0, fd);
6778 tcg_temp_free_i32(fp0);
6787 TCGv_i32 fp0 = tcg_temp_new_i32();
6789 gen_load_fpr32(fp0, fs);
6790 gen_helper_float_recip_s(fp0, fp0);
6791 gen_store_fpr32(fp0, fd);
6792 tcg_temp_free_i32(fp0);
6799 TCGv_i32 fp0 = tcg_temp_new_i32();
6801 gen_load_fpr32(fp0, fs);
6802 gen_helper_float_rsqrt_s(fp0, fp0);
6803 gen_store_fpr32(fp0, fd);
6804 tcg_temp_free_i32(fp0);
6809 check_cp1_64bitmode(ctx);
6811 TCGv_i32 fp0 = tcg_temp_new_i32();
6812 TCGv_i32 fp1 = tcg_temp_new_i32();
6814 gen_load_fpr32(fp0, fs);
6815 gen_load_fpr32(fp1, fd);
6816 gen_helper_float_recip2_s(fp0, fp0, fp1);
6817 tcg_temp_free_i32(fp1);
6818 gen_store_fpr32(fp0, fd);
6819 tcg_temp_free_i32(fp0);
6824 check_cp1_64bitmode(ctx);
6826 TCGv_i32 fp0 = tcg_temp_new_i32();
6828 gen_load_fpr32(fp0, fs);
6829 gen_helper_float_recip1_s(fp0, fp0);
6830 gen_store_fpr32(fp0, fd);
6831 tcg_temp_free_i32(fp0);
6836 check_cp1_64bitmode(ctx);
6838 TCGv_i32 fp0 = tcg_temp_new_i32();
6840 gen_load_fpr32(fp0, fs);
6841 gen_helper_float_rsqrt1_s(fp0, fp0);
6842 gen_store_fpr32(fp0, fd);
6843 tcg_temp_free_i32(fp0);
6848 check_cp1_64bitmode(ctx);
6850 TCGv_i32 fp0 = tcg_temp_new_i32();
6851 TCGv_i32 fp1 = tcg_temp_new_i32();
6853 gen_load_fpr32(fp0, fs);
6854 gen_load_fpr32(fp1, ft);
6855 gen_helper_float_rsqrt2_s(fp0, fp0, fp1);
6856 tcg_temp_free_i32(fp1);
6857 gen_store_fpr32(fp0, fd);
6858 tcg_temp_free_i32(fp0);
6863 check_cp1_registers(ctx, fd);
6865 TCGv_i32 fp32 = tcg_temp_new_i32();
6866 TCGv_i64 fp64 = tcg_temp_new_i64();
6868 gen_load_fpr32(fp32, fs);
6869 gen_helper_float_cvtd_s(fp64, fp32);
6870 tcg_temp_free_i32(fp32);
6871 gen_store_fpr64(ctx, fp64, fd);
6872 tcg_temp_free_i64(fp64);
6878 TCGv_i32 fp0 = tcg_temp_new_i32();
6880 gen_load_fpr32(fp0, fs);
6881 gen_helper_float_cvtw_s(fp0, fp0);
6882 gen_store_fpr32(fp0, fd);
6883 tcg_temp_free_i32(fp0);
6888 check_cp1_64bitmode(ctx);
6890 TCGv_i32 fp32 = tcg_temp_new_i32();
6891 TCGv_i64 fp64 = tcg_temp_new_i64();
6893 gen_load_fpr32(fp32, fs);
6894 gen_helper_float_cvtl_s(fp64, fp32);
6895 tcg_temp_free_i32(fp32);
6896 gen_store_fpr64(ctx, fp64, fd);
6897 tcg_temp_free_i64(fp64);
6902 check_cp1_64bitmode(ctx);
6904 TCGv_i64 fp64 = tcg_temp_new_i64();
6905 TCGv_i32 fp32_0 = tcg_temp_new_i32();
6906 TCGv_i32 fp32_1 = tcg_temp_new_i32();
6908 gen_load_fpr32(fp32_0, fs);
6909 gen_load_fpr32(fp32_1, ft);
6910 tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
6911 tcg_temp_free_i32(fp32_1);
6912 tcg_temp_free_i32(fp32_0);
6913 gen_store_fpr64(ctx, fp64, fd);
6914 tcg_temp_free_i64(fp64);
6927 case OPC_CMP_NGLE_S:
6934 if (ctx->opcode & (1 << 6)) {
6935 gen_cmpabs_s(ctx, func-48, ft, fs, cc);
6936 opn = condnames_abs[func-48];
6938 gen_cmp_s(ctx, func-48, ft, fs, cc);
6939 opn = condnames[func-48];
6943 check_cp1_registers(ctx, fs | ft | fd);
6945 TCGv_i64 fp0 = tcg_temp_new_i64();
6946 TCGv_i64 fp1 = tcg_temp_new_i64();
6948 gen_load_fpr64(ctx, fp0, fs);
6949 gen_load_fpr64(ctx, fp1, ft);
6950 gen_helper_float_add_d(fp0, fp0, fp1);
6951 tcg_temp_free_i64(fp1);
6952 gen_store_fpr64(ctx, fp0, fd);
6953 tcg_temp_free_i64(fp0);
6959 check_cp1_registers(ctx, fs | ft | fd);
6961 TCGv_i64 fp0 = tcg_temp_new_i64();
6962 TCGv_i64 fp1 = tcg_temp_new_i64();
6964 gen_load_fpr64(ctx, fp0, fs);
6965 gen_load_fpr64(ctx, fp1, ft);
6966 gen_helper_float_sub_d(fp0, fp0, fp1);
6967 tcg_temp_free_i64(fp1);
6968 gen_store_fpr64(ctx, fp0, fd);
6969 tcg_temp_free_i64(fp0);
6975 check_cp1_registers(ctx, fs | ft | fd);
6977 TCGv_i64 fp0 = tcg_temp_new_i64();
6978 TCGv_i64 fp1 = tcg_temp_new_i64();
6980 gen_load_fpr64(ctx, fp0, fs);
6981 gen_load_fpr64(ctx, fp1, ft);
6982 gen_helper_float_mul_d(fp0, fp0, fp1);
6983 tcg_temp_free_i64(fp1);
6984 gen_store_fpr64(ctx, fp0, fd);
6985 tcg_temp_free_i64(fp0);
6991 check_cp1_registers(ctx, fs | ft | fd);
6993 TCGv_i64 fp0 = tcg_temp_new_i64();
6994 TCGv_i64 fp1 = tcg_temp_new_i64();
6996 gen_load_fpr64(ctx, fp0, fs);
6997 gen_load_fpr64(ctx, fp1, ft);
6998 gen_helper_float_div_d(fp0, fp0, fp1);
6999 tcg_temp_free_i64(fp1);
7000 gen_store_fpr64(ctx, fp0, fd);
7001 tcg_temp_free_i64(fp0);
7007 check_cp1_registers(ctx, fs | fd);
7009 TCGv_i64 fp0 = tcg_temp_new_i64();
7011 gen_load_fpr64(ctx, fp0, fs);
7012 gen_helper_float_sqrt_d(fp0, fp0);
7013 gen_store_fpr64(ctx, fp0, fd);
7014 tcg_temp_free_i64(fp0);
7019 check_cp1_registers(ctx, fs | fd);
7021 TCGv_i64 fp0 = tcg_temp_new_i64();
7023 gen_load_fpr64(ctx, fp0, fs);
7024 gen_helper_float_abs_d(fp0, fp0);
7025 gen_store_fpr64(ctx, fp0, fd);
7026 tcg_temp_free_i64(fp0);
7031 check_cp1_registers(ctx, fs | fd);
7033 TCGv_i64 fp0 = tcg_temp_new_i64();
7035 gen_load_fpr64(ctx, fp0, fs);
7036 gen_store_fpr64(ctx, fp0, fd);
7037 tcg_temp_free_i64(fp0);
7042 check_cp1_registers(ctx, fs | fd);
7044 TCGv_i64 fp0 = tcg_temp_new_i64();
7046 gen_load_fpr64(ctx, fp0, fs);
7047 gen_helper_float_chs_d(fp0, fp0);
7048 gen_store_fpr64(ctx, fp0, fd);
7049 tcg_temp_free_i64(fp0);
7054 check_cp1_64bitmode(ctx);
7056 TCGv_i64 fp0 = tcg_temp_new_i64();
7058 gen_load_fpr64(ctx, fp0, fs);
7059 gen_helper_float_roundl_d(fp0, fp0);
7060 gen_store_fpr64(ctx, fp0, fd);
7061 tcg_temp_free_i64(fp0);
7066 check_cp1_64bitmode(ctx);
7068 TCGv_i64 fp0 = tcg_temp_new_i64();
7070 gen_load_fpr64(ctx, fp0, fs);
7071 gen_helper_float_truncl_d(fp0, fp0);
7072 gen_store_fpr64(ctx, fp0, fd);
7073 tcg_temp_free_i64(fp0);
7078 check_cp1_64bitmode(ctx);
7080 TCGv_i64 fp0 = tcg_temp_new_i64();
7082 gen_load_fpr64(ctx, fp0, fs);
7083 gen_helper_float_ceill_d(fp0, fp0);
7084 gen_store_fpr64(ctx, fp0, fd);
7085 tcg_temp_free_i64(fp0);
7090 check_cp1_64bitmode(ctx);
7092 TCGv_i64 fp0 = tcg_temp_new_i64();
7094 gen_load_fpr64(ctx, fp0, fs);
7095 gen_helper_float_floorl_d(fp0, fp0);
7096 gen_store_fpr64(ctx, fp0, fd);
7097 tcg_temp_free_i64(fp0);
7102 check_cp1_registers(ctx, fs);
7104 TCGv_i32 fp32 = tcg_temp_new_i32();
7105 TCGv_i64 fp64 = tcg_temp_new_i64();
7107 gen_load_fpr64(ctx, fp64, fs);
7108 gen_helper_float_roundw_d(fp32, fp64);
7109 tcg_temp_free_i64(fp64);
7110 gen_store_fpr32(fp32, fd);
7111 tcg_temp_free_i32(fp32);
7116 check_cp1_registers(ctx, fs);
7118 TCGv_i32 fp32 = tcg_temp_new_i32();
7119 TCGv_i64 fp64 = tcg_temp_new_i64();
7121 gen_load_fpr64(ctx, fp64, fs);
7122 gen_helper_float_truncw_d(fp32, fp64);
7123 tcg_temp_free_i64(fp64);
7124 gen_store_fpr32(fp32, fd);
7125 tcg_temp_free_i32(fp32);
7130 check_cp1_registers(ctx, fs);
7132 TCGv_i32 fp32 = tcg_temp_new_i32();
7133 TCGv_i64 fp64 = tcg_temp_new_i64();
7135 gen_load_fpr64(ctx, fp64, fs);
7136 gen_helper_float_ceilw_d(fp32, fp64);
7137 tcg_temp_free_i64(fp64);
7138 gen_store_fpr32(fp32, fd);
7139 tcg_temp_free_i32(fp32);
7144 check_cp1_registers(ctx, fs);
7146 TCGv_i32 fp32 = tcg_temp_new_i32();
7147 TCGv_i64 fp64 = tcg_temp_new_i64();
7149 gen_load_fpr64(ctx, fp64, fs);
7150 gen_helper_float_floorw_d(fp32, fp64);
7151 tcg_temp_free_i64(fp64);
7152 gen_store_fpr32(fp32, fd);
7153 tcg_temp_free_i32(fp32);
7158 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
7163 int l1 = gen_new_label();
7167 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
7169 fp0 = tcg_temp_new_i64();
7170 gen_load_fpr64(ctx, fp0, fs);
7171 gen_store_fpr64(ctx, fp0, fd);
7172 tcg_temp_free_i64(fp0);
7179 int l1 = gen_new_label();
7183 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
7184 fp0 = tcg_temp_new_i64();
7185 gen_load_fpr64(ctx, fp0, fs);
7186 gen_store_fpr64(ctx, fp0, fd);
7187 tcg_temp_free_i64(fp0);
7194 check_cp1_64bitmode(ctx);
7196 TCGv_i64 fp0 = tcg_temp_new_i64();
7198 gen_load_fpr64(ctx, fp0, fs);
7199 gen_helper_float_recip_d(fp0, fp0);
7200 gen_store_fpr64(ctx, fp0, fd);
7201 tcg_temp_free_i64(fp0);
7206 check_cp1_64bitmode(ctx);
7208 TCGv_i64 fp0 = tcg_temp_new_i64();
7210 gen_load_fpr64(ctx, fp0, fs);
7211 gen_helper_float_rsqrt_d(fp0, fp0);
7212 gen_store_fpr64(ctx, fp0, fd);
7213 tcg_temp_free_i64(fp0);
7218 check_cp1_64bitmode(ctx);
7220 TCGv_i64 fp0 = tcg_temp_new_i64();
7221 TCGv_i64 fp1 = tcg_temp_new_i64();
7223 gen_load_fpr64(ctx, fp0, fs);
7224 gen_load_fpr64(ctx, fp1, ft);
7225 gen_helper_float_recip2_d(fp0, fp0, fp1);
7226 tcg_temp_free_i64(fp1);
7227 gen_store_fpr64(ctx, fp0, fd);
7228 tcg_temp_free_i64(fp0);
7233 check_cp1_64bitmode(ctx);
7235 TCGv_i64 fp0 = tcg_temp_new_i64();
7237 gen_load_fpr64(ctx, fp0, fs);
7238 gen_helper_float_recip1_d(fp0, fp0);
7239 gen_store_fpr64(ctx, fp0, fd);
7240 tcg_temp_free_i64(fp0);
7245 check_cp1_64bitmode(ctx);
7247 TCGv_i64 fp0 = tcg_temp_new_i64();
7249 gen_load_fpr64(ctx, fp0, fs);
7250 gen_helper_float_rsqrt1_d(fp0, fp0);
7251 gen_store_fpr64(ctx, fp0, fd);
7252 tcg_temp_free_i64(fp0);
7257 check_cp1_64bitmode(ctx);
7259 TCGv_i64 fp0 = tcg_temp_new_i64();
7260 TCGv_i64 fp1 = tcg_temp_new_i64();
7262 gen_load_fpr64(ctx, fp0, fs);
7263 gen_load_fpr64(ctx, fp1, ft);
7264 gen_helper_float_rsqrt2_d(fp0, fp0, fp1);
7265 tcg_temp_free_i64(fp1);
7266 gen_store_fpr64(ctx, fp0, fd);
7267 tcg_temp_free_i64(fp0);
7280 case OPC_CMP_NGLE_D:
7287 if (ctx->opcode & (1 << 6)) {
7288 gen_cmpabs_d(ctx, func-48, ft, fs, cc);
7289 opn = condnames_abs[func-48];
7291 gen_cmp_d(ctx, func-48, ft, fs, cc);
7292 opn = condnames[func-48];
7296 check_cp1_registers(ctx, fs);
7298 TCGv_i32 fp32 = tcg_temp_new_i32();
7299 TCGv_i64 fp64 = tcg_temp_new_i64();
7301 gen_load_fpr64(ctx, fp64, fs);
7302 gen_helper_float_cvts_d(fp32, fp64);
7303 tcg_temp_free_i64(fp64);
7304 gen_store_fpr32(fp32, fd);
7305 tcg_temp_free_i32(fp32);
7310 check_cp1_registers(ctx, fs);
7312 TCGv_i32 fp32 = tcg_temp_new_i32();
7313 TCGv_i64 fp64 = tcg_temp_new_i64();
7315 gen_load_fpr64(ctx, fp64, fs);
7316 gen_helper_float_cvtw_d(fp32, fp64);
7317 tcg_temp_free_i64(fp64);
7318 gen_store_fpr32(fp32, fd);
7319 tcg_temp_free_i32(fp32);
7324 check_cp1_64bitmode(ctx);
7326 TCGv_i64 fp0 = tcg_temp_new_i64();
7328 gen_load_fpr64(ctx, fp0, fs);
7329 gen_helper_float_cvtl_d(fp0, fp0);
7330 gen_store_fpr64(ctx, fp0, fd);
7331 tcg_temp_free_i64(fp0);
7337 TCGv_i32 fp0 = tcg_temp_new_i32();
7339 gen_load_fpr32(fp0, fs);
7340 gen_helper_float_cvts_w(fp0, fp0);
7341 gen_store_fpr32(fp0, fd);
7342 tcg_temp_free_i32(fp0);
7347 check_cp1_registers(ctx, fd);
7349 TCGv_i32 fp32 = tcg_temp_new_i32();
7350 TCGv_i64 fp64 = tcg_temp_new_i64();
7352 gen_load_fpr32(fp32, fs);
7353 gen_helper_float_cvtd_w(fp64, fp32);
7354 tcg_temp_free_i32(fp32);
7355 gen_store_fpr64(ctx, fp64, fd);
7356 tcg_temp_free_i64(fp64);
7361 check_cp1_64bitmode(ctx);
7363 TCGv_i32 fp32 = tcg_temp_new_i32();
7364 TCGv_i64 fp64 = tcg_temp_new_i64();
7366 gen_load_fpr64(ctx, fp64, fs);
7367 gen_helper_float_cvts_l(fp32, fp64);
7368 tcg_temp_free_i64(fp64);
7369 gen_store_fpr32(fp32, fd);
7370 tcg_temp_free_i32(fp32);
7375 check_cp1_64bitmode(ctx);
7377 TCGv_i64 fp0 = tcg_temp_new_i64();
7379 gen_load_fpr64(ctx, fp0, fs);
7380 gen_helper_float_cvtd_l(fp0, fp0);
7381 gen_store_fpr64(ctx, fp0, fd);
7382 tcg_temp_free_i64(fp0);
7387 check_cp1_64bitmode(ctx);
7389 TCGv_i64 fp0 = tcg_temp_new_i64();
7391 gen_load_fpr64(ctx, fp0, fs);
7392 gen_helper_float_cvtps_pw(fp0, fp0);
7393 gen_store_fpr64(ctx, fp0, fd);
7394 tcg_temp_free_i64(fp0);
7399 check_cp1_64bitmode(ctx);
7401 TCGv_i64 fp0 = tcg_temp_new_i64();
7402 TCGv_i64 fp1 = tcg_temp_new_i64();
7404 gen_load_fpr64(ctx, fp0, fs);
7405 gen_load_fpr64(ctx, fp1, ft);
7406 gen_helper_float_add_ps(fp0, fp0, fp1);
7407 tcg_temp_free_i64(fp1);
7408 gen_store_fpr64(ctx, fp0, fd);
7409 tcg_temp_free_i64(fp0);
7414 check_cp1_64bitmode(ctx);
7416 TCGv_i64 fp0 = tcg_temp_new_i64();
7417 TCGv_i64 fp1 = tcg_temp_new_i64();
7419 gen_load_fpr64(ctx, fp0, fs);
7420 gen_load_fpr64(ctx, fp1, ft);
7421 gen_helper_float_sub_ps(fp0, fp0, fp1);
7422 tcg_temp_free_i64(fp1);
7423 gen_store_fpr64(ctx, fp0, fd);
7424 tcg_temp_free_i64(fp0);
7429 check_cp1_64bitmode(ctx);
7431 TCGv_i64 fp0 = tcg_temp_new_i64();
7432 TCGv_i64 fp1 = tcg_temp_new_i64();
7434 gen_load_fpr64(ctx, fp0, fs);
7435 gen_load_fpr64(ctx, fp1, ft);
7436 gen_helper_float_mul_ps(fp0, fp0, fp1);
7437 tcg_temp_free_i64(fp1);
7438 gen_store_fpr64(ctx, fp0, fd);
7439 tcg_temp_free_i64(fp0);
7444 check_cp1_64bitmode(ctx);
7446 TCGv_i64 fp0 = tcg_temp_new_i64();
7448 gen_load_fpr64(ctx, fp0, fs);
7449 gen_helper_float_abs_ps(fp0, fp0);
7450 gen_store_fpr64(ctx, fp0, fd);
7451 tcg_temp_free_i64(fp0);
7456 check_cp1_64bitmode(ctx);
7458 TCGv_i64 fp0 = tcg_temp_new_i64();
7460 gen_load_fpr64(ctx, fp0, fs);
7461 gen_store_fpr64(ctx, fp0, fd);
7462 tcg_temp_free_i64(fp0);
7467 check_cp1_64bitmode(ctx);
7469 TCGv_i64 fp0 = tcg_temp_new_i64();
7471 gen_load_fpr64(ctx, fp0, fs);
7472 gen_helper_float_chs_ps(fp0, fp0);
7473 gen_store_fpr64(ctx, fp0, fd);
7474 tcg_temp_free_i64(fp0);
7479 check_cp1_64bitmode(ctx);
7480 gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
7484 check_cp1_64bitmode(ctx);
7486 int l1 = gen_new_label();
7490 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
7491 fp0 = tcg_temp_new_i64();
7492 gen_load_fpr64(ctx, fp0, fs);
7493 gen_store_fpr64(ctx, fp0, fd);
7494 tcg_temp_free_i64(fp0);
7500 check_cp1_64bitmode(ctx);
7502 int l1 = gen_new_label();
7506 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
7507 fp0 = tcg_temp_new_i64();
7508 gen_load_fpr64(ctx, fp0, fs);
7509 gen_store_fpr64(ctx, fp0, fd);
7510 tcg_temp_free_i64(fp0);
7517 check_cp1_64bitmode(ctx);
7519 TCGv_i64 fp0 = tcg_temp_new_i64();
7520 TCGv_i64 fp1 = tcg_temp_new_i64();
7522 gen_load_fpr64(ctx, fp0, ft);
7523 gen_load_fpr64(ctx, fp1, fs);
7524 gen_helper_float_addr_ps(fp0, fp0, fp1);
7525 tcg_temp_free_i64(fp1);
7526 gen_store_fpr64(ctx, fp0, fd);
7527 tcg_temp_free_i64(fp0);
7532 check_cp1_64bitmode(ctx);
7534 TCGv_i64 fp0 = tcg_temp_new_i64();
7535 TCGv_i64 fp1 = tcg_temp_new_i64();
7537 gen_load_fpr64(ctx, fp0, ft);
7538 gen_load_fpr64(ctx, fp1, fs);
7539 gen_helper_float_mulr_ps(fp0, fp0, fp1);
7540 tcg_temp_free_i64(fp1);
7541 gen_store_fpr64(ctx, fp0, fd);
7542 tcg_temp_free_i64(fp0);
7547 check_cp1_64bitmode(ctx);
7549 TCGv_i64 fp0 = tcg_temp_new_i64();
7550 TCGv_i64 fp1 = tcg_temp_new_i64();
7552 gen_load_fpr64(ctx, fp0, fs);
7553 gen_load_fpr64(ctx, fp1, fd);
7554 gen_helper_float_recip2_ps(fp0, fp0, fp1);
7555 tcg_temp_free_i64(fp1);
7556 gen_store_fpr64(ctx, fp0, fd);
7557 tcg_temp_free_i64(fp0);
7562 check_cp1_64bitmode(ctx);
7564 TCGv_i64 fp0 = tcg_temp_new_i64();
7566 gen_load_fpr64(ctx, fp0, fs);
7567 gen_helper_float_recip1_ps(fp0, fp0);
7568 gen_store_fpr64(ctx, fp0, fd);
7569 tcg_temp_free_i64(fp0);
7574 check_cp1_64bitmode(ctx);
7576 TCGv_i64 fp0 = tcg_temp_new_i64();
7578 gen_load_fpr64(ctx, fp0, fs);
7579 gen_helper_float_rsqrt1_ps(fp0, fp0);
7580 gen_store_fpr64(ctx, fp0, fd);
7581 tcg_temp_free_i64(fp0);
7586 check_cp1_64bitmode(ctx);
7588 TCGv_i64 fp0 = tcg_temp_new_i64();
7589 TCGv_i64 fp1 = tcg_temp_new_i64();
7591 gen_load_fpr64(ctx, fp0, fs);
7592 gen_load_fpr64(ctx, fp1, ft);
7593 gen_helper_float_rsqrt2_ps(fp0, fp0, fp1);
7594 tcg_temp_free_i64(fp1);
7595 gen_store_fpr64(ctx, fp0, fd);
7596 tcg_temp_free_i64(fp0);
7601 check_cp1_64bitmode(ctx);
7603 TCGv_i32 fp0 = tcg_temp_new_i32();
7605 gen_load_fpr32h(fp0, fs);
7606 gen_helper_float_cvts_pu(fp0, fp0);
7607 gen_store_fpr32(fp0, fd);
7608 tcg_temp_free_i32(fp0);
7613 check_cp1_64bitmode(ctx);
7615 TCGv_i64 fp0 = tcg_temp_new_i64();
7617 gen_load_fpr64(ctx, fp0, fs);
7618 gen_helper_float_cvtpw_ps(fp0, fp0);
7619 gen_store_fpr64(ctx, fp0, fd);
7620 tcg_temp_free_i64(fp0);
7625 check_cp1_64bitmode(ctx);
7627 TCGv_i32 fp0 = tcg_temp_new_i32();
7629 gen_load_fpr32(fp0, fs);
7630 gen_helper_float_cvts_pl(fp0, fp0);
7631 gen_store_fpr32(fp0, fd);
7632 tcg_temp_free_i32(fp0);
7637 check_cp1_64bitmode(ctx);
7639 TCGv_i32 fp0 = tcg_temp_new_i32();
7640 TCGv_i32 fp1 = tcg_temp_new_i32();
7642 gen_load_fpr32(fp0, fs);
7643 gen_load_fpr32(fp1, ft);
7644 gen_store_fpr32h(fp0, fd);
7645 gen_store_fpr32(fp1, fd);
7646 tcg_temp_free_i32(fp0);
7647 tcg_temp_free_i32(fp1);
7652 check_cp1_64bitmode(ctx);
7654 TCGv_i32 fp0 = tcg_temp_new_i32();
7655 TCGv_i32 fp1 = tcg_temp_new_i32();
7657 gen_load_fpr32(fp0, fs);
7658 gen_load_fpr32h(fp1, ft);
7659 gen_store_fpr32(fp1, fd);
7660 gen_store_fpr32h(fp0, fd);
7661 tcg_temp_free_i32(fp0);
7662 tcg_temp_free_i32(fp1);
7667 check_cp1_64bitmode(ctx);
7669 TCGv_i32 fp0 = tcg_temp_new_i32();
7670 TCGv_i32 fp1 = tcg_temp_new_i32();
7672 gen_load_fpr32h(fp0, fs);
7673 gen_load_fpr32(fp1, ft);
7674 gen_store_fpr32(fp1, fd);
7675 gen_store_fpr32h(fp0, fd);
7676 tcg_temp_free_i32(fp0);
7677 tcg_temp_free_i32(fp1);
7682 check_cp1_64bitmode(ctx);
7684 TCGv_i32 fp0 = tcg_temp_new_i32();
7685 TCGv_i32 fp1 = tcg_temp_new_i32();
7687 gen_load_fpr32h(fp0, fs);
7688 gen_load_fpr32h(fp1, ft);
7689 gen_store_fpr32(fp1, fd);
7690 gen_store_fpr32h(fp0, fd);
7691 tcg_temp_free_i32(fp0);
7692 tcg_temp_free_i32(fp1);
7699 case OPC_CMP_UEQ_PS:
7700 case OPC_CMP_OLT_PS:
7701 case OPC_CMP_ULT_PS:
7702 case OPC_CMP_OLE_PS:
7703 case OPC_CMP_ULE_PS:
7705 case OPC_CMP_NGLE_PS:
7706 case OPC_CMP_SEQ_PS:
7707 case OPC_CMP_NGL_PS:
7709 case OPC_CMP_NGE_PS:
7711 case OPC_CMP_NGT_PS:
7712 if (ctx->opcode & (1 << 6)) {
7713 gen_cmpabs_ps(ctx, func-48, ft, fs, cc);
7714 opn = condnames_abs[func-48];
7716 gen_cmp_ps(ctx, func-48, ft, fs, cc);
7717 opn = condnames[func-48];
7722 generate_exception (ctx, EXCP_RI);
7725 (void)opn; /* avoid a compiler warning */
7728 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
7731 MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
7734 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
7739 /* Coprocessor 3 (FPU) */
7740 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
7741 int fd, int fs, int base, int index)
7743 const char *opn = "extended float load/store";
7745 TCGv t0 = tcg_temp_new();
7748 gen_load_gpr(t0, index);
7749 } else if (index == 0) {
7750 gen_load_gpr(t0, base);
7752 gen_load_gpr(t0, index);
7753 gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
7755 /* Don't do NOP if destination is zero: we must perform the actual
7757 save_cpu_state(ctx, 0);
7762 TCGv_i32 fp0 = tcg_temp_new_i32();
7764 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
7765 tcg_gen_trunc_tl_i32(fp0, t0);
7766 gen_store_fpr32(fp0, fd);
7767 tcg_temp_free_i32(fp0);
7773 check_cp1_registers(ctx, fd);
7775 TCGv_i64 fp0 = tcg_temp_new_i64();
7777 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7778 gen_store_fpr64(ctx, fp0, fd);
7779 tcg_temp_free_i64(fp0);
7784 check_cp1_64bitmode(ctx);
7785 tcg_gen_andi_tl(t0, t0, ~0x7);
7787 TCGv_i64 fp0 = tcg_temp_new_i64();
7789 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7790 gen_store_fpr64(ctx, fp0, fd);
7791 tcg_temp_free_i64(fp0);
7798 TCGv_i32 fp0 = tcg_temp_new_i32();
7799 TCGv t1 = tcg_temp_new();
7801 gen_load_fpr32(fp0, fs);
7802 tcg_gen_extu_i32_tl(t1, fp0);
7803 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
7804 tcg_temp_free_i32(fp0);
7812 check_cp1_registers(ctx, fs);
7814 TCGv_i64 fp0 = tcg_temp_new_i64();
7816 gen_load_fpr64(ctx, fp0, fs);
7817 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7818 tcg_temp_free_i64(fp0);
7824 check_cp1_64bitmode(ctx);
7825 tcg_gen_andi_tl(t0, t0, ~0x7);
7827 TCGv_i64 fp0 = tcg_temp_new_i64();
7829 gen_load_fpr64(ctx, fp0, fs);
7830 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7831 tcg_temp_free_i64(fp0);
7838 (void)opn; (void)store; /* avoid compiler warnings */
7839 MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
7840 regnames[index], regnames[base]);
7843 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
7844 int fd, int fr, int fs, int ft)
7846 const char *opn = "flt3_arith";
7850 check_cp1_64bitmode(ctx);
7852 TCGv t0 = tcg_temp_local_new();
7853 TCGv_i32 fp = tcg_temp_new_i32();
7854 TCGv_i32 fph = tcg_temp_new_i32();
7855 int l1 = gen_new_label();
7856 int l2 = gen_new_label();
7858 gen_load_gpr(t0, fr);
7859 tcg_gen_andi_tl(t0, t0, 0x7);
7861 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
7862 gen_load_fpr32(fp, fs);
7863 gen_load_fpr32h(fph, fs);
7864 gen_store_fpr32(fp, fd);
7865 gen_store_fpr32h(fph, fd);
7868 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
7870 #ifdef TARGET_WORDS_BIGENDIAN
7871 gen_load_fpr32(fp, fs);
7872 gen_load_fpr32h(fph, ft);
7873 gen_store_fpr32h(fp, fd);
7874 gen_store_fpr32(fph, fd);
7876 gen_load_fpr32h(fph, fs);
7877 gen_load_fpr32(fp, ft);
7878 gen_store_fpr32(fph, fd);
7879 gen_store_fpr32h(fp, fd);
7882 tcg_temp_free_i32(fp);
7883 tcg_temp_free_i32(fph);
7890 TCGv_i32 fp0 = tcg_temp_new_i32();
7891 TCGv_i32 fp1 = tcg_temp_new_i32();
7892 TCGv_i32 fp2 = tcg_temp_new_i32();
7894 gen_load_fpr32(fp0, fs);
7895 gen_load_fpr32(fp1, ft);
7896 gen_load_fpr32(fp2, fr);
7897 gen_helper_float_muladd_s(fp2, fp0, fp1, fp2);
7898 tcg_temp_free_i32(fp0);
7899 tcg_temp_free_i32(fp1);
7900 gen_store_fpr32(fp2, fd);
7901 tcg_temp_free_i32(fp2);
7907 check_cp1_registers(ctx, fd | fs | ft | fr);
7909 TCGv_i64 fp0 = tcg_temp_new_i64();
7910 TCGv_i64 fp1 = tcg_temp_new_i64();
7911 TCGv_i64 fp2 = tcg_temp_new_i64();
7913 gen_load_fpr64(ctx, fp0, fs);
7914 gen_load_fpr64(ctx, fp1, ft);
7915 gen_load_fpr64(ctx, fp2, fr);
7916 gen_helper_float_muladd_d(fp2, fp0, fp1, fp2);
7917 tcg_temp_free_i64(fp0);
7918 tcg_temp_free_i64(fp1);
7919 gen_store_fpr64(ctx, fp2, fd);
7920 tcg_temp_free_i64(fp2);
7925 check_cp1_64bitmode(ctx);
7927 TCGv_i64 fp0 = tcg_temp_new_i64();
7928 TCGv_i64 fp1 = tcg_temp_new_i64();
7929 TCGv_i64 fp2 = tcg_temp_new_i64();
7931 gen_load_fpr64(ctx, fp0, fs);
7932 gen_load_fpr64(ctx, fp1, ft);
7933 gen_load_fpr64(ctx, fp2, fr);
7934 gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2);
7935 tcg_temp_free_i64(fp0);
7936 tcg_temp_free_i64(fp1);
7937 gen_store_fpr64(ctx, fp2, fd);
7938 tcg_temp_free_i64(fp2);
7945 TCGv_i32 fp0 = tcg_temp_new_i32();
7946 TCGv_i32 fp1 = tcg_temp_new_i32();
7947 TCGv_i32 fp2 = tcg_temp_new_i32();
7949 gen_load_fpr32(fp0, fs);
7950 gen_load_fpr32(fp1, ft);
7951 gen_load_fpr32(fp2, fr);
7952 gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2);
7953 tcg_temp_free_i32(fp0);
7954 tcg_temp_free_i32(fp1);
7955 gen_store_fpr32(fp2, fd);
7956 tcg_temp_free_i32(fp2);
7962 check_cp1_registers(ctx, fd | fs | ft | fr);
7964 TCGv_i64 fp0 = tcg_temp_new_i64();
7965 TCGv_i64 fp1 = tcg_temp_new_i64();
7966 TCGv_i64 fp2 = tcg_temp_new_i64();
7968 gen_load_fpr64(ctx, fp0, fs);
7969 gen_load_fpr64(ctx, fp1, ft);
7970 gen_load_fpr64(ctx, fp2, fr);
7971 gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2);
7972 tcg_temp_free_i64(fp0);
7973 tcg_temp_free_i64(fp1);
7974 gen_store_fpr64(ctx, fp2, fd);
7975 tcg_temp_free_i64(fp2);
7980 check_cp1_64bitmode(ctx);
7982 TCGv_i64 fp0 = tcg_temp_new_i64();
7983 TCGv_i64 fp1 = tcg_temp_new_i64();
7984 TCGv_i64 fp2 = tcg_temp_new_i64();
7986 gen_load_fpr64(ctx, fp0, fs);
7987 gen_load_fpr64(ctx, fp1, ft);
7988 gen_load_fpr64(ctx, fp2, fr);
7989 gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2);
7990 tcg_temp_free_i64(fp0);
7991 tcg_temp_free_i64(fp1);
7992 gen_store_fpr64(ctx, fp2, fd);
7993 tcg_temp_free_i64(fp2);
8000 TCGv_i32 fp0 = tcg_temp_new_i32();
8001 TCGv_i32 fp1 = tcg_temp_new_i32();
8002 TCGv_i32 fp2 = tcg_temp_new_i32();
8004 gen_load_fpr32(fp0, fs);
8005 gen_load_fpr32(fp1, ft);
8006 gen_load_fpr32(fp2, fr);
8007 gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2);
8008 tcg_temp_free_i32(fp0);
8009 tcg_temp_free_i32(fp1);
8010 gen_store_fpr32(fp2, fd);
8011 tcg_temp_free_i32(fp2);
8017 check_cp1_registers(ctx, fd | fs | ft | fr);
8019 TCGv_i64 fp0 = tcg_temp_new_i64();
8020 TCGv_i64 fp1 = tcg_temp_new_i64();
8021 TCGv_i64 fp2 = tcg_temp_new_i64();
8023 gen_load_fpr64(ctx, fp0, fs);
8024 gen_load_fpr64(ctx, fp1, ft);
8025 gen_load_fpr64(ctx, fp2, fr);
8026 gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2);
8027 tcg_temp_free_i64(fp0);
8028 tcg_temp_free_i64(fp1);
8029 gen_store_fpr64(ctx, fp2, fd);
8030 tcg_temp_free_i64(fp2);
8035 check_cp1_64bitmode(ctx);
8037 TCGv_i64 fp0 = tcg_temp_new_i64();
8038 TCGv_i64 fp1 = tcg_temp_new_i64();
8039 TCGv_i64 fp2 = tcg_temp_new_i64();
8041 gen_load_fpr64(ctx, fp0, fs);
8042 gen_load_fpr64(ctx, fp1, ft);
8043 gen_load_fpr64(ctx, fp2, fr);
8044 gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2);
8045 tcg_temp_free_i64(fp0);
8046 tcg_temp_free_i64(fp1);
8047 gen_store_fpr64(ctx, fp2, fd);
8048 tcg_temp_free_i64(fp2);
8055 TCGv_i32 fp0 = tcg_temp_new_i32();
8056 TCGv_i32 fp1 = tcg_temp_new_i32();
8057 TCGv_i32 fp2 = tcg_temp_new_i32();
8059 gen_load_fpr32(fp0, fs);
8060 gen_load_fpr32(fp1, ft);
8061 gen_load_fpr32(fp2, fr);
8062 gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2);
8063 tcg_temp_free_i32(fp0);
8064 tcg_temp_free_i32(fp1);
8065 gen_store_fpr32(fp2, fd);
8066 tcg_temp_free_i32(fp2);
8072 check_cp1_registers(ctx, fd | fs | ft | fr);
8074 TCGv_i64 fp0 = tcg_temp_new_i64();
8075 TCGv_i64 fp1 = tcg_temp_new_i64();
8076 TCGv_i64 fp2 = tcg_temp_new_i64();
8078 gen_load_fpr64(ctx, fp0, fs);
8079 gen_load_fpr64(ctx, fp1, ft);
8080 gen_load_fpr64(ctx, fp2, fr);
8081 gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2);
8082 tcg_temp_free_i64(fp0);
8083 tcg_temp_free_i64(fp1);
8084 gen_store_fpr64(ctx, fp2, fd);
8085 tcg_temp_free_i64(fp2);
8090 check_cp1_64bitmode(ctx);
8092 TCGv_i64 fp0 = tcg_temp_new_i64();
8093 TCGv_i64 fp1 = tcg_temp_new_i64();
8094 TCGv_i64 fp2 = tcg_temp_new_i64();
8096 gen_load_fpr64(ctx, fp0, fs);
8097 gen_load_fpr64(ctx, fp1, ft);
8098 gen_load_fpr64(ctx, fp2, fr);
8099 gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2);
8100 tcg_temp_free_i64(fp0);
8101 tcg_temp_free_i64(fp1);
8102 gen_store_fpr64(ctx, fp2, fd);
8103 tcg_temp_free_i64(fp2);
8109 generate_exception (ctx, EXCP_RI);
8112 (void)opn; /* avoid a compiler warning */
8113 MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
8114 fregnames[fs], fregnames[ft]);
8118 gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd)
8122 check_insn(env, ctx, ISA_MIPS32R2);
8123 t0 = tcg_temp_new();
8127 save_cpu_state(ctx, 1);
8128 gen_helper_rdhwr_cpunum(t0);
8129 gen_store_gpr(t0, rt);
8132 save_cpu_state(ctx, 1);
8133 gen_helper_rdhwr_synci_step(t0);
8134 gen_store_gpr(t0, rt);
8137 save_cpu_state(ctx, 1);
8138 gen_helper_rdhwr_cc(t0);
8139 gen_store_gpr(t0, rt);
8142 save_cpu_state(ctx, 1);
8143 gen_helper_rdhwr_ccres(t0);
8144 gen_store_gpr(t0, rt);
8147 #if defined(CONFIG_USER_ONLY)
8148 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value));
8149 gen_store_gpr(t0, rt);
8152 /* XXX: Some CPUs implement this in hardware.
8153 Not supported yet. */
8155 default: /* Invalid */
8156 MIPS_INVAL("rdhwr");
8157 generate_exception(ctx, EXCP_RI);
8163 static void handle_delay_slot (CPUState *env, DisasContext *ctx,
8166 if (ctx->hflags & MIPS_HFLAG_BMASK) {
8167 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
8168 /* Branches completion */
8169 ctx->hflags &= ~MIPS_HFLAG_BMASK;
8170 ctx->bstate = BS_BRANCH;
8171 save_cpu_state(ctx, 0);
8172 /* FIXME: Need to clear can_do_io. */
8173 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
8175 /* unconditional branch */
8176 MIPS_DEBUG("unconditional branch");
8177 if (proc_hflags & MIPS_HFLAG_BX) {
8178 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
8180 gen_goto_tb(ctx, 0, ctx->btarget);
8183 /* blikely taken case */
8184 MIPS_DEBUG("blikely branch taken");
8185 gen_goto_tb(ctx, 0, ctx->btarget);
8188 /* Conditional branch */
8189 MIPS_DEBUG("conditional branch");
8191 int l1 = gen_new_label();
8193 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
8194 gen_goto_tb(ctx, 1, ctx->pc + insn_bytes);
8196 gen_goto_tb(ctx, 0, ctx->btarget);
8200 /* unconditional branch to register */
8201 MIPS_DEBUG("branch to register");
8202 if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
8203 TCGv t0 = tcg_temp_new();
8204 TCGv_i32 t1 = tcg_temp_new_i32();
8206 tcg_gen_andi_tl(t0, btarget, 0x1);
8207 tcg_gen_trunc_tl_i32(t1, t0);
8209 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
8210 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
8211 tcg_gen_or_i32(hflags, hflags, t1);
8212 tcg_temp_free_i32(t1);
8214 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
8216 tcg_gen_mov_tl(cpu_PC, btarget);
8218 if (ctx->singlestep_enabled) {
8219 save_cpu_state(ctx, 0);
8220 gen_helper_0i(raise_exception, EXCP_DEBUG);
8225 MIPS_DEBUG("unknown branch");
8231 /* ISA extensions (ASEs) */
8232 /* MIPS16 extension to MIPS32 */
8234 /* MIPS16 major opcodes */
8236 M16_OPC_ADDIUSP = 0x00,
8237 M16_OPC_ADDIUPC = 0x01,
8240 M16_OPC_BEQZ = 0x04,
8241 M16_OPC_BNEQZ = 0x05,
8242 M16_OPC_SHIFT = 0x06,
8244 M16_OPC_RRIA = 0x08,
8245 M16_OPC_ADDIU8 = 0x09,
8246 M16_OPC_SLTI = 0x0a,
8247 M16_OPC_SLTIU = 0x0b,
8250 M16_OPC_CMPI = 0x0e,
8254 M16_OPC_LWSP = 0x12,
8258 M16_OPC_LWPC = 0x16,
8262 M16_OPC_SWSP = 0x1a,
8266 M16_OPC_EXTEND = 0x1e,
8270 /* I8 funct field */
8289 /* RR funct field */
8323 /* I64 funct field */
8335 /* RR ry field for CNVT */
8337 RR_RY_CNVT_ZEB = 0x0,
8338 RR_RY_CNVT_ZEH = 0x1,
8339 RR_RY_CNVT_ZEW = 0x2,
8340 RR_RY_CNVT_SEB = 0x4,
8341 RR_RY_CNVT_SEH = 0x5,
8342 RR_RY_CNVT_SEW = 0x6,
8345 static int xlat (int r)
8347 static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
8352 static void gen_mips16_save (DisasContext *ctx,
8353 int xsregs, int aregs,
8354 int do_ra, int do_s0, int do_s1,
8357 TCGv t0 = tcg_temp_new();
8358 TCGv t1 = tcg_temp_new();
8388 generate_exception(ctx, EXCP_RI);
8394 gen_base_offset_addr(ctx, t0, 29, 12);
8395 gen_load_gpr(t1, 7);
8396 op_st_sw(t1, t0, ctx);
8399 gen_base_offset_addr(ctx, t0, 29, 8);
8400 gen_load_gpr(t1, 6);
8401 op_st_sw(t1, t0, ctx);
8404 gen_base_offset_addr(ctx, t0, 29, 4);
8405 gen_load_gpr(t1, 5);
8406 op_st_sw(t1, t0, ctx);
8409 gen_base_offset_addr(ctx, t0, 29, 0);
8410 gen_load_gpr(t1, 4);
8411 op_st_sw(t1, t0, ctx);
8414 gen_load_gpr(t0, 29);
8416 #define DECR_AND_STORE(reg) do { \
8417 tcg_gen_subi_tl(t0, t0, 4); \
8418 gen_load_gpr(t1, reg); \
8419 op_st_sw(t1, t0, ctx); \
8483 generate_exception(ctx, EXCP_RI);
8499 #undef DECR_AND_STORE
8501 tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize);
8506 static void gen_mips16_restore (DisasContext *ctx,
8507 int xsregs, int aregs,
8508 int do_ra, int do_s0, int do_s1,
8512 TCGv t0 = tcg_temp_new();
8513 TCGv t1 = tcg_temp_new();
8515 tcg_gen_addi_tl(t0, cpu_gpr[29], framesize);
8517 #define DECR_AND_LOAD(reg) do { \
8518 tcg_gen_subi_tl(t0, t0, 4); \
8519 op_ld_lw(t1, t0, ctx); \
8520 gen_store_gpr(t1, reg); \
8584 generate_exception(ctx, EXCP_RI);
8600 #undef DECR_AND_LOAD
8602 tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize);
8607 static void gen_addiupc (DisasContext *ctx, int rx, int imm,
8608 int is_64_bit, int extended)
8612 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8613 generate_exception(ctx, EXCP_RI);
8617 t0 = tcg_temp_new();
8619 tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
8620 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
8622 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
8628 #if defined(TARGET_MIPS64)
8629 static void decode_i64_mips16 (CPUState *env, DisasContext *ctx,
8630 int ry, int funct, int16_t offset,
8636 offset = extended ? offset : offset << 3;
8637 gen_ld(env, ctx, OPC_LD, ry, 29, offset);
8641 offset = extended ? offset : offset << 3;
8642 gen_st(ctx, OPC_SD, ry, 29, offset);
8646 offset = extended ? offset : (ctx->opcode & 0xff) << 3;
8647 gen_st(ctx, OPC_SD, 31, 29, offset);
8651 offset = extended ? offset : ((int8_t)ctx->opcode) << 3;
8652 gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset);
8655 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8656 generate_exception(ctx, EXCP_RI);
8658 offset = extended ? offset : offset << 3;
8659 gen_ld(env, ctx, OPC_LDPC, ry, 0, offset);
8664 offset = extended ? offset : ((int8_t)(offset << 3)) >> 3;
8665 gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset);
8669 offset = extended ? offset : offset << 2;
8670 gen_addiupc(ctx, ry, offset, 1, extended);
8674 offset = extended ? offset : offset << 2;
8675 gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset);
8681 static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx,
8684 int extend = lduw_code(ctx->pc + 2);
8685 int op, rx, ry, funct, sa;
8686 int16_t imm, offset;
8688 ctx->opcode = (ctx->opcode << 16) | extend;
8689 op = (ctx->opcode >> 11) & 0x1f;
8690 sa = (ctx->opcode >> 22) & 0x1f;
8691 funct = (ctx->opcode >> 8) & 0x7;
8692 rx = xlat((ctx->opcode >> 8) & 0x7);
8693 ry = xlat((ctx->opcode >> 5) & 0x7);
8694 offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11
8695 | ((ctx->opcode >> 21) & 0x3f) << 5
8696 | (ctx->opcode & 0x1f));
8698 /* The extended opcodes cleverly reuse the opcodes from their 16-bit
8701 case M16_OPC_ADDIUSP:
8702 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
8704 case M16_OPC_ADDIUPC:
8705 gen_addiupc(ctx, rx, imm, 0, 1);
8708 gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1);
8709 /* No delay slot, so just process as a normal instruction */
8712 gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1);
8713 /* No delay slot, so just process as a normal instruction */
8716 gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1);
8717 /* No delay slot, so just process as a normal instruction */
8720 switch (ctx->opcode & 0x3) {
8722 gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa);
8725 #if defined(TARGET_MIPS64)
8727 gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa);
8729 generate_exception(ctx, EXCP_RI);
8733 gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa);
8736 gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa);
8740 #if defined(TARGET_MIPS64)
8743 gen_ld(env, ctx, OPC_LD, ry, rx, offset);
8747 imm = ctx->opcode & 0xf;
8748 imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4;
8749 imm = imm | ((ctx->opcode >> 16) & 0xf) << 11;
8750 imm = (int16_t) (imm << 1) >> 1;
8751 if ((ctx->opcode >> 4) & 0x1) {
8752 #if defined(TARGET_MIPS64)
8754 gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm);
8756 generate_exception(ctx, EXCP_RI);
8759 gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm);
8762 case M16_OPC_ADDIU8:
8763 gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm);
8766 gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
8769 gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
8774 gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1);
8777 gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1);
8780 gen_st(ctx, OPC_SW, 31, 29, imm);
8783 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm);
8787 int xsregs = (ctx->opcode >> 24) & 0x7;
8788 int aregs = (ctx->opcode >> 16) & 0xf;
8789 int do_ra = (ctx->opcode >> 6) & 0x1;
8790 int do_s0 = (ctx->opcode >> 5) & 0x1;
8791 int do_s1 = (ctx->opcode >> 4) & 0x1;
8792 int framesize = (((ctx->opcode >> 20) & 0xf) << 4
8793 | (ctx->opcode & 0xf)) << 3;
8795 if (ctx->opcode & (1 << 7)) {
8796 gen_mips16_save(ctx, xsregs, aregs,
8797 do_ra, do_s0, do_s1,
8800 gen_mips16_restore(ctx, xsregs, aregs,
8801 do_ra, do_s0, do_s1,
8807 generate_exception(ctx, EXCP_RI);
8812 tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm);
8815 tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm);
8817 #if defined(TARGET_MIPS64)
8819 gen_st(ctx, OPC_SD, ry, rx, offset);
8823 gen_ld(env, ctx, OPC_LB, ry, rx, offset);
8826 gen_ld(env, ctx, OPC_LH, ry, rx, offset);
8829 gen_ld(env, ctx, OPC_LW, rx, 29, offset);
8832 gen_ld(env, ctx, OPC_LW, ry, rx, offset);
8835 gen_ld(env, ctx, OPC_LBU, ry, rx, offset);
8838 gen_ld(env, ctx, OPC_LHU, ry, rx, offset);
8841 gen_ld(env, ctx, OPC_LWPC, rx, 0, offset);
8843 #if defined(TARGET_MIPS64)
8845 gen_ld(env, ctx, OPC_LWU, ry, rx, offset);
8849 gen_st(ctx, OPC_SB, ry, rx, offset);
8852 gen_st(ctx, OPC_SH, ry, rx, offset);
8855 gen_st(ctx, OPC_SW, rx, 29, offset);
8858 gen_st(ctx, OPC_SW, ry, rx, offset);
8860 #if defined(TARGET_MIPS64)
8862 decode_i64_mips16(env, ctx, ry, funct, offset, 1);
8866 generate_exception(ctx, EXCP_RI);
8873 static int decode_mips16_opc (CPUState *env, DisasContext *ctx,
8878 int op, cnvt_op, op1, offset;
8882 op = (ctx->opcode >> 11) & 0x1f;
8883 sa = (ctx->opcode >> 2) & 0x7;
8884 sa = sa == 0 ? 8 : sa;
8885 rx = xlat((ctx->opcode >> 8) & 0x7);
8886 cnvt_op = (ctx->opcode >> 5) & 0x7;
8887 ry = xlat((ctx->opcode >> 5) & 0x7);
8888 op1 = offset = ctx->opcode & 0x1f;
8893 case M16_OPC_ADDIUSP:
8895 int16_t imm = ((uint8_t) ctx->opcode) << 2;
8897 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
8900 case M16_OPC_ADDIUPC:
8901 gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0);
8904 offset = (ctx->opcode & 0x7ff) << 1;
8905 offset = (int16_t)(offset << 4) >> 4;
8906 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset);
8907 /* No delay slot, so just process as a normal instruction */
8910 offset = lduw_code(ctx->pc + 2);
8911 offset = (((ctx->opcode & 0x1f) << 21)
8912 | ((ctx->opcode >> 5) & 0x1f) << 16
8914 op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS;
8915 gen_compute_branch(ctx, op, 4, rx, ry, offset);
8920 gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1);
8921 /* No delay slot, so just process as a normal instruction */
8924 gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1);
8925 /* No delay slot, so just process as a normal instruction */
8928 switch (ctx->opcode & 0x3) {
8930 gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa);
8933 #if defined(TARGET_MIPS64)
8935 gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa);
8937 generate_exception(ctx, EXCP_RI);
8941 gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa);
8944 gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa);
8948 #if defined(TARGET_MIPS64)
8951 gen_ld(env, ctx, OPC_LD, ry, rx, offset << 3);
8956 int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4;
8958 if ((ctx->opcode >> 4) & 1) {
8959 #if defined(TARGET_MIPS64)
8961 gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm);
8963 generate_exception(ctx, EXCP_RI);
8966 gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm);
8970 case M16_OPC_ADDIU8:
8972 int16_t imm = (int8_t) ctx->opcode;
8974 gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm);
8979 int16_t imm = (uint8_t) ctx->opcode;
8981 gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
8986 int16_t imm = (uint8_t) ctx->opcode;
8988 gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
8995 funct = (ctx->opcode >> 8) & 0x7;
8998 gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0,
8999 ((int8_t)ctx->opcode) << 1);
9002 gen_compute_branch(ctx, OPC_BNE, 2, 24, 0,
9003 ((int8_t)ctx->opcode) << 1);
9006 gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2);
9009 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29,
9010 ((int8_t)ctx->opcode) << 3);
9014 int do_ra = ctx->opcode & (1 << 6);
9015 int do_s0 = ctx->opcode & (1 << 5);
9016 int do_s1 = ctx->opcode & (1 << 4);
9017 int framesize = ctx->opcode & 0xf;
9019 if (framesize == 0) {
9022 framesize = framesize << 3;
9025 if (ctx->opcode & (1 << 7)) {
9026 gen_mips16_save(ctx, 0, 0,
9027 do_ra, do_s0, do_s1, framesize);
9029 gen_mips16_restore(ctx, 0, 0,
9030 do_ra, do_s0, do_s1, framesize);
9036 int rz = xlat(ctx->opcode & 0x7);
9038 reg32 = (((ctx->opcode >> 3) & 0x3) << 3) |
9039 ((ctx->opcode >> 5) & 0x7);
9040 gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0);
9044 reg32 = ctx->opcode & 0x1f;
9045 gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0);
9048 generate_exception(ctx, EXCP_RI);
9055 int16_t imm = (uint8_t) ctx->opcode;
9057 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm);
9062 int16_t imm = (uint8_t) ctx->opcode;
9064 gen_logic_imm(env, OPC_XORI, 24, rx, imm);
9067 #if defined(TARGET_MIPS64)
9070 gen_st(ctx, OPC_SD, ry, rx, offset << 3);
9074 gen_ld(env, ctx, OPC_LB, ry, rx, offset);
9077 gen_ld(env, ctx, OPC_LH, ry, rx, offset << 1);
9080 gen_ld(env, ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2);
9083 gen_ld(env, ctx, OPC_LW, ry, rx, offset << 2);
9086 gen_ld(env, ctx, OPC_LBU, ry, rx, offset);
9089 gen_ld(env, ctx, OPC_LHU, ry, rx, offset << 1);
9092 gen_ld(env, ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2);
9094 #if defined (TARGET_MIPS64)
9097 gen_ld(env, ctx, OPC_LWU, ry, rx, offset << 2);
9101 gen_st(ctx, OPC_SB, ry, rx, offset);
9104 gen_st(ctx, OPC_SH, ry, rx, offset << 1);
9107 gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2);
9110 gen_st(ctx, OPC_SW, ry, rx, offset << 2);
9114 int rz = xlat((ctx->opcode >> 2) & 0x7);
9117 switch (ctx->opcode & 0x3) {
9119 mips32_op = OPC_ADDU;
9122 mips32_op = OPC_SUBU;
9124 #if defined(TARGET_MIPS64)
9126 mips32_op = OPC_DADDU;
9130 mips32_op = OPC_DSUBU;
9135 generate_exception(ctx, EXCP_RI);
9139 gen_arith(env, ctx, mips32_op, rz, rx, ry);
9148 int nd = (ctx->opcode >> 7) & 0x1;
9149 int link = (ctx->opcode >> 6) & 0x1;
9150 int ra = (ctx->opcode >> 5) & 0x1;
9153 op = nd ? OPC_JALRC : OPC_JALRS;
9158 gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0);
9165 /* XXX: not clear which exception should be raised
9166 * when in debug mode...
9168 check_insn(env, ctx, ISA_MIPS32);
9169 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
9170 generate_exception(ctx, EXCP_DBp);
9172 generate_exception(ctx, EXCP_DBp);
9176 gen_slt(env, OPC_SLT, 24, rx, ry);
9179 gen_slt(env, OPC_SLTU, 24, rx, ry);
9182 generate_exception(ctx, EXCP_BREAK);
9185 gen_shift(env, ctx, OPC_SLLV, ry, rx, ry);
9188 gen_shift(env, ctx, OPC_SRLV, ry, rx, ry);
9191 gen_shift(env, ctx, OPC_SRAV, ry, rx, ry);
9193 #if defined (TARGET_MIPS64)
9196 gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa);
9200 gen_logic(env, OPC_XOR, 24, rx, ry);
9203 gen_arith(env, ctx, OPC_SUBU, rx, 0, ry);
9206 gen_logic(env, OPC_AND, rx, rx, ry);
9209 gen_logic(env, OPC_OR, rx, rx, ry);
9212 gen_logic(env, OPC_XOR, rx, rx, ry);
9215 gen_logic(env, OPC_NOR, rx, ry, 0);
9218 gen_HILO(ctx, OPC_MFHI, rx);
9222 case RR_RY_CNVT_ZEB:
9223 tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9225 case RR_RY_CNVT_ZEH:
9226 tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9228 case RR_RY_CNVT_SEB:
9229 tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9231 case RR_RY_CNVT_SEH:
9232 tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9234 #if defined (TARGET_MIPS64)
9235 case RR_RY_CNVT_ZEW:
9237 tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9239 case RR_RY_CNVT_SEW:
9241 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9245 generate_exception(ctx, EXCP_RI);
9250 gen_HILO(ctx, OPC_MFLO, rx);
9252 #if defined (TARGET_MIPS64)
9255 gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa);
9259 gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry);
9263 gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry);
9267 gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry);
9271 gen_muldiv(ctx, OPC_MULT, rx, ry);
9274 gen_muldiv(ctx, OPC_MULTU, rx, ry);
9277 gen_muldiv(ctx, OPC_DIV, rx, ry);
9280 gen_muldiv(ctx, OPC_DIVU, rx, ry);
9282 #if defined (TARGET_MIPS64)
9285 gen_muldiv(ctx, OPC_DMULT, rx, ry);
9289 gen_muldiv(ctx, OPC_DMULTU, rx, ry);
9293 gen_muldiv(ctx, OPC_DDIV, rx, ry);
9297 gen_muldiv(ctx, OPC_DDIVU, rx, ry);
9301 generate_exception(ctx, EXCP_RI);
9305 case M16_OPC_EXTEND:
9306 decode_extended_mips16_opc(env, ctx, is_branch);
9309 #if defined(TARGET_MIPS64)
9311 funct = (ctx->opcode >> 8) & 0x7;
9312 decode_i64_mips16(env, ctx, ry, funct, offset, 0);
9316 generate_exception(ctx, EXCP_RI);
9323 /* microMIPS extension to MIPS32 */
9325 /* microMIPS32 major opcodes */
9364 /* 0x20 is reserved */
9374 /* 0x28 and 0x29 are reserved */
9384 /* 0x30 and 0x31 are reserved */
9394 /* 0x38 and 0x39 are reserved */
9405 /* POOL32A encoding of minor opcode field */
9408 /* These opcodes are distinguished only by bits 9..6; those bits are
9409 * what are recorded below. */
9435 /* The following can be distinguished by their lower 6 bits. */
9441 /* POOL32AXF encoding of minor opcode field extension */
9455 /* bits 13..12 for 0x01 */
9461 /* bits 13..12 for 0x2a */
9467 /* bits 13..12 for 0x32 */
9471 /* bits 15..12 for 0x2c */
9487 /* bits 15..12 for 0x34 */
9495 /* bits 15..12 for 0x3c */
9497 JR = 0x0, /* alias */
9502 /* bits 15..12 for 0x05 */
9506 /* bits 15..12 for 0x0d */
9516 /* bits 15..12 for 0x15 */
9522 /* bits 15..12 for 0x1d */
9526 /* bits 15..12 for 0x2d */
9531 /* bits 15..12 for 0x35 */
9538 /* POOL32B encoding of minor opcode field (bits 15..12) */
9554 /* POOL32C encoding of minor opcode field (bits 15..12) */
9562 /* 0xa is reserved */
9569 /* 0x6 is reserved */
9575 /* POOL32F encoding of minor opcode field (bits 5..0) */
9578 /* These are the bit 7..6 values */
9589 /* These are the bit 8..6 values */
9633 CABS_COND_FMT = 0x1c, /* MIPS3D */
9637 /* POOL32Fxf encoding of minor opcode extension field */
9675 /* POOL32I encoding of minor opcode field (bits 25..21) */
9700 /* These overlap and are distinguished by bit16 of the instruction */
9709 /* POOL16A encoding of minor opcode field */
9716 /* POOL16B encoding of minor opcode field */
9723 /* POOL16C encoding of minor opcode field */
9743 /* POOL16D encoding of minor opcode field */
9750 /* POOL16E encoding of minor opcode field */
9757 static int mmreg (int r)
9759 static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
9764 /* Used for 16-bit store instructions. */
9765 static int mmreg2 (int r)
9767 static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 };
9772 #define uMIPS_RD(op) ((op >> 7) & 0x7)
9773 #define uMIPS_RS(op) ((op >> 4) & 0x7)
9774 #define uMIPS_RS2(op) uMIPS_RS(op)
9775 #define uMIPS_RS1(op) ((op >> 1) & 0x7)
9776 #define uMIPS_RD5(op) ((op >> 5) & 0x1f)
9777 #define uMIPS_RS5(op) (op & 0x1f)
9779 /* Signed immediate */
9780 #define SIMM(op, start, width) \
9781 ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \
9784 /* Zero-extended immediate */
9785 #define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width)))
9787 static void gen_addiur1sp (CPUState *env, DisasContext *ctx)
9789 int rd = mmreg(uMIPS_RD(ctx->opcode));
9791 gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2);
9794 static void gen_addiur2 (CPUState *env, DisasContext *ctx)
9796 static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 };
9797 int rd = mmreg(uMIPS_RD(ctx->opcode));
9798 int rs = mmreg(uMIPS_RS(ctx->opcode));
9800 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]);
9803 static void gen_addiusp (CPUState *env, DisasContext *ctx)
9805 int encoded = ZIMM(ctx->opcode, 1, 9);
9809 decoded = 256 + encoded;
9810 } else if (encoded <= 255) {
9812 } else if (encoded <= 509) {
9813 decoded = encoded - 512;
9815 decoded = encoded - 768;
9818 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2);
9821 static void gen_addius5 (CPUState *env, DisasContext *ctx)
9823 int imm = SIMM(ctx->opcode, 1, 4);
9824 int rd = (ctx->opcode >> 5) & 0x1f;
9826 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm);
9829 static void gen_andi16 (CPUState *env, DisasContext *ctx)
9831 static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16,
9832 31, 32, 63, 64, 255, 32768, 65535 };
9833 int rd = mmreg(uMIPS_RD(ctx->opcode));
9834 int rs = mmreg(uMIPS_RS(ctx->opcode));
9835 int encoded = ZIMM(ctx->opcode, 0, 4);
9837 gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]);
9840 static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist,
9841 int base, int16_t offset)
9846 if (ctx->hflags & MIPS_HFLAG_BMASK) {
9847 generate_exception(ctx, EXCP_RI);
9851 t0 = tcg_temp_new();
9853 gen_base_offset_addr(ctx, t0, base, offset);
9855 t1 = tcg_const_tl(reglist);
9856 t2 = tcg_const_i32(ctx->mem_idx);
9858 save_cpu_state(ctx, 1);
9861 gen_helper_lwm(t0, t1, t2);
9864 gen_helper_swm(t0, t1, t2);
9866 #ifdef TARGET_MIPS64
9868 gen_helper_ldm(t0, t1, t2);
9871 gen_helper_sdm(t0, t1, t2);
9875 MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]);
9878 tcg_temp_free_i32(t2);
9882 static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch)
9884 int rd = mmreg((ctx->opcode >> 3) & 0x7);
9885 int rs = mmreg(ctx->opcode & 0x7);
9888 switch (((ctx->opcode) >> 4) & 0x3f) {
9893 gen_logic(env, OPC_NOR, rd, rs, 0);
9899 gen_logic(env, OPC_XOR, rd, rd, rs);
9905 gen_logic(env, OPC_AND, rd, rd, rs);
9911 gen_logic(env, OPC_OR, rd, rd, rs);
9918 static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
9919 int offset = ZIMM(ctx->opcode, 0, 4);
9921 gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3],
9930 static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
9931 int offset = ZIMM(ctx->opcode, 0, 4);
9933 gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3],
9940 int reg = ctx->opcode & 0x1f;
9942 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0);
9949 int reg = ctx->opcode & 0x1f;
9951 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0);
9952 /* Let normal delay slot handling in our caller take us
9953 to the branch target. */
9965 int reg = ctx->opcode & 0x1f;
9967 gen_compute_branch(ctx, opc, 2, reg, 31, 0);
9973 gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode));
9977 gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode));
9980 generate_exception(ctx, EXCP_BREAK);
9983 /* XXX: not clear which exception should be raised
9984 * when in debug mode...
9986 check_insn(env, ctx, ISA_MIPS32);
9987 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
9988 generate_exception(ctx, EXCP_DBp);
9990 generate_exception(ctx, EXCP_DBp);
9996 int imm = ZIMM(ctx->opcode, 0, 5);
9998 gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0);
9999 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2);
10000 /* Let normal delay slot handling in our caller take us
10001 to the branch target. */
10005 generate_exception(ctx, EXCP_RI);
10010 static void gen_ldxs (DisasContext *ctx, int base, int index, int rd)
10012 TCGv t0 = tcg_temp_new();
10013 TCGv t1 = tcg_temp_new();
10015 gen_load_gpr(t0, base);
10018 gen_load_gpr(t1, index);
10019 tcg_gen_shli_tl(t1, t1, 2);
10020 gen_op_addr_add(ctx, t0, t1, t0);
10023 save_cpu_state(ctx, 0);
10024 op_ld_lw(t1, t0, ctx);
10025 gen_store_gpr(t1, rd);
10031 static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd,
10032 int base, int16_t offset)
10034 const char *opn = "ldst_pair";
10037 if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) {
10038 generate_exception(ctx, EXCP_RI);
10042 t0 = tcg_temp_new();
10043 t1 = tcg_temp_new();
10045 gen_base_offset_addr(ctx, t0, base, offset);
10049 save_cpu_state(ctx, 0);
10050 op_ld_lw(t1, t0, ctx);
10051 gen_store_gpr(t1, rd);
10052 tcg_gen_movi_tl(t1, 4);
10053 gen_op_addr_add(ctx, t0, t0, t1);
10054 op_ld_lw(t1, t0, ctx);
10055 gen_store_gpr(t1, rd+1);
10059 save_cpu_state(ctx, 0);
10060 gen_load_gpr(t1, rd);
10061 op_st_sw(t1, t0, ctx);
10062 tcg_gen_movi_tl(t1, 4);
10063 gen_op_addr_add(ctx, t0, t0, t1);
10064 gen_load_gpr(t1, rd+1);
10065 op_st_sw(t1, t0, ctx);
10068 #ifdef TARGET_MIPS64
10070 save_cpu_state(ctx, 0);
10071 op_ld_ld(t1, t0, ctx);
10072 gen_store_gpr(t1, rd);
10073 tcg_gen_movi_tl(t1, 8);
10074 gen_op_addr_add(ctx, t0, t0, t1);
10075 op_ld_ld(t1, t0, ctx);
10076 gen_store_gpr(t1, rd+1);
10080 save_cpu_state(ctx, 0);
10081 gen_load_gpr(t1, rd);
10082 op_st_sd(t1, t0, ctx);
10083 tcg_gen_movi_tl(t1, 8);
10084 gen_op_addr_add(ctx, t0, t0, t1);
10085 gen_load_gpr(t1, rd+1);
10086 op_st_sd(t1, t0, ctx);
10091 (void)opn; /* avoid a compiler warning */
10092 MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]);
10097 static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs,
10100 int extension = (ctx->opcode >> 6) & 0x3f;
10101 int minor = (ctx->opcode >> 12) & 0xf;
10102 uint32_t mips32_op;
10104 switch (extension) {
10106 mips32_op = OPC_TEQ;
10109 mips32_op = OPC_TGE;
10112 mips32_op = OPC_TGEU;
10115 mips32_op = OPC_TLT;
10118 mips32_op = OPC_TLTU;
10121 mips32_op = OPC_TNE;
10123 gen_trap(ctx, mips32_op, rs, rt, -1);
10125 #ifndef CONFIG_USER_ONLY
10129 /* Treat as NOP. */
10132 gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7);
10137 TCGv t0 = tcg_temp_new();
10139 gen_load_gpr(t0, rt);
10140 gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7);
10148 gen_bshfl(ctx, OPC_SEB, rs, rt);
10151 gen_bshfl(ctx, OPC_SEH, rs, rt);
10154 mips32_op = OPC_CLO;
10157 mips32_op = OPC_CLZ;
10159 check_insn(env, ctx, ISA_MIPS32);
10160 gen_cl(ctx, mips32_op, rt, rs);
10163 gen_rdhwr(env, ctx, rt, rs);
10166 gen_bshfl(ctx, OPC_WSBH, rs, rt);
10169 mips32_op = OPC_MULT;
10172 mips32_op = OPC_MULTU;
10175 mips32_op = OPC_DIV;
10178 mips32_op = OPC_DIVU;
10181 mips32_op = OPC_MADD;
10184 mips32_op = OPC_MADDU;
10187 mips32_op = OPC_MSUB;
10190 mips32_op = OPC_MSUBU;
10192 check_insn(env, ctx, ISA_MIPS32);
10193 gen_muldiv(ctx, mips32_op, rs, rt);
10196 goto pool32axf_invalid;
10207 generate_exception_err(ctx, EXCP_CpU, 2);
10210 goto pool32axf_invalid;
10217 gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0);
10222 gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0);
10226 goto pool32axf_invalid;
10232 check_insn(env, ctx, ISA_MIPS32R2);
10233 gen_load_srsgpr(rt, rs);
10236 check_insn(env, ctx, ISA_MIPS32R2);
10237 gen_store_srsgpr(rt, rs);
10240 goto pool32axf_invalid;
10243 #ifndef CONFIG_USER_ONLY
10247 mips32_op = OPC_TLBP;
10250 mips32_op = OPC_TLBR;
10253 mips32_op = OPC_TLBWI;
10256 mips32_op = OPC_TLBWR;
10259 mips32_op = OPC_WAIT;
10262 mips32_op = OPC_DERET;
10265 mips32_op = OPC_ERET;
10267 gen_cp0(env, ctx, mips32_op, rt, rs);
10270 goto pool32axf_invalid;
10277 TCGv t0 = tcg_temp_new();
10279 save_cpu_state(ctx, 1);
10281 gen_store_gpr(t0, rs);
10282 /* Stop translation as we may have switched the execution mode */
10283 ctx->bstate = BS_STOP;
10289 TCGv t0 = tcg_temp_new();
10291 save_cpu_state(ctx, 1);
10293 gen_store_gpr(t0, rs);
10294 /* Stop translation as we may have switched the execution mode */
10295 ctx->bstate = BS_STOP;
10300 goto pool32axf_invalid;
10310 generate_exception(ctx, EXCP_SYSCALL);
10311 ctx->bstate = BS_STOP;
10314 check_insn(env, ctx, ISA_MIPS32);
10315 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
10316 generate_exception(ctx, EXCP_DBp);
10318 generate_exception(ctx, EXCP_DBp);
10322 goto pool32axf_invalid;
10328 gen_HILO(ctx, OPC_MFHI, rs);
10331 gen_HILO(ctx, OPC_MFLO, rs);
10334 gen_HILO(ctx, OPC_MTHI, rs);
10337 gen_HILO(ctx, OPC_MTLO, rs);
10340 goto pool32axf_invalid;
10345 MIPS_INVAL("pool32axf");
10346 generate_exception(ctx, EXCP_RI);
10351 /* Values for microMIPS fmt field. Variable-width, depending on which
10352 formats the instruction supports. */
10371 static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs)
10373 int extension = (ctx->opcode >> 6) & 0x3ff;
10374 uint32_t mips32_op;
10376 #define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc
10377 #define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc
10378 #define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc
10380 switch (extension) {
10381 case FLOAT_1BIT_FMT(CFC1, 0):
10382 mips32_op = OPC_CFC1;
10384 case FLOAT_1BIT_FMT(CTC1, 0):
10385 mips32_op = OPC_CTC1;
10387 case FLOAT_1BIT_FMT(MFC1, 0):
10388 mips32_op = OPC_MFC1;
10390 case FLOAT_1BIT_FMT(MTC1, 0):
10391 mips32_op = OPC_MTC1;
10393 case FLOAT_1BIT_FMT(MFHC1, 0):
10394 mips32_op = OPC_MFHC1;
10396 case FLOAT_1BIT_FMT(MTHC1, 0):
10397 mips32_op = OPC_MTHC1;
10399 gen_cp1(ctx, mips32_op, rt, rs);
10402 /* Reciprocal square root */
10403 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S):
10404 mips32_op = OPC_RSQRT_S;
10406 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D):
10407 mips32_op = OPC_RSQRT_D;
10411 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S):
10412 mips32_op = OPC_SQRT_S;
10414 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D):
10415 mips32_op = OPC_SQRT_D;
10419 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S):
10420 mips32_op = OPC_RECIP_S;
10422 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D):
10423 mips32_op = OPC_RECIP_D;
10427 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S):
10428 mips32_op = OPC_FLOOR_L_S;
10430 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D):
10431 mips32_op = OPC_FLOOR_L_D;
10433 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S):
10434 mips32_op = OPC_FLOOR_W_S;
10436 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D):
10437 mips32_op = OPC_FLOOR_W_D;
10441 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S):
10442 mips32_op = OPC_CEIL_L_S;
10444 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D):
10445 mips32_op = OPC_CEIL_L_D;
10447 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S):
10448 mips32_op = OPC_CEIL_W_S;
10450 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D):
10451 mips32_op = OPC_CEIL_W_D;
10455 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S):
10456 mips32_op = OPC_TRUNC_L_S;
10458 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D):
10459 mips32_op = OPC_TRUNC_L_D;
10461 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S):
10462 mips32_op = OPC_TRUNC_W_S;
10464 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D):
10465 mips32_op = OPC_TRUNC_W_D;
10469 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S):
10470 mips32_op = OPC_ROUND_L_S;
10472 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D):
10473 mips32_op = OPC_ROUND_L_D;
10475 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S):
10476 mips32_op = OPC_ROUND_W_S;
10478 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D):
10479 mips32_op = OPC_ROUND_W_D;
10482 /* Integer to floating-point conversion */
10483 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S):
10484 mips32_op = OPC_CVT_L_S;
10486 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D):
10487 mips32_op = OPC_CVT_L_D;
10489 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S):
10490 mips32_op = OPC_CVT_W_S;
10492 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D):
10493 mips32_op = OPC_CVT_W_D;
10496 /* Paired-foo conversions */
10497 case FLOAT_1BIT_FMT(CVT_S_PL, 0):
10498 mips32_op = OPC_CVT_S_PL;
10500 case FLOAT_1BIT_FMT(CVT_S_PU, 0):
10501 mips32_op = OPC_CVT_S_PU;
10503 case FLOAT_1BIT_FMT(CVT_PW_PS, 0):
10504 mips32_op = OPC_CVT_PW_PS;
10506 case FLOAT_1BIT_FMT(CVT_PS_PW, 0):
10507 mips32_op = OPC_CVT_PS_PW;
10510 /* Floating-point moves */
10511 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S):
10512 mips32_op = OPC_MOV_S;
10514 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D):
10515 mips32_op = OPC_MOV_D;
10517 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS):
10518 mips32_op = OPC_MOV_PS;
10521 /* Absolute value */
10522 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S):
10523 mips32_op = OPC_ABS_S;
10525 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D):
10526 mips32_op = OPC_ABS_D;
10528 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS):
10529 mips32_op = OPC_ABS_PS;
10533 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S):
10534 mips32_op = OPC_NEG_S;
10536 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D):
10537 mips32_op = OPC_NEG_D;
10539 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS):
10540 mips32_op = OPC_NEG_PS;
10543 /* Reciprocal square root step */
10544 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S):
10545 mips32_op = OPC_RSQRT1_S;
10547 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D):
10548 mips32_op = OPC_RSQRT1_D;
10550 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS):
10551 mips32_op = OPC_RSQRT1_PS;
10554 /* Reciprocal step */
10555 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S):
10556 mips32_op = OPC_RECIP1_S;
10558 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D):
10559 mips32_op = OPC_RECIP1_S;
10561 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS):
10562 mips32_op = OPC_RECIP1_PS;
10565 /* Conversions from double */
10566 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S):
10567 mips32_op = OPC_CVT_D_S;
10569 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W):
10570 mips32_op = OPC_CVT_D_W;
10572 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L):
10573 mips32_op = OPC_CVT_D_L;
10576 /* Conversions from single */
10577 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D):
10578 mips32_op = OPC_CVT_S_D;
10580 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W):
10581 mips32_op = OPC_CVT_S_W;
10583 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L):
10584 mips32_op = OPC_CVT_S_L;
10586 gen_farith(ctx, mips32_op, -1, rs, rt, 0);
10589 /* Conditional moves on floating-point codes */
10590 case COND_FLOAT_MOV(MOVT, 0):
10591 case COND_FLOAT_MOV(MOVT, 1):
10592 case COND_FLOAT_MOV(MOVT, 2):
10593 case COND_FLOAT_MOV(MOVT, 3):
10594 case COND_FLOAT_MOV(MOVT, 4):
10595 case COND_FLOAT_MOV(MOVT, 5):
10596 case COND_FLOAT_MOV(MOVT, 6):
10597 case COND_FLOAT_MOV(MOVT, 7):
10598 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1);
10600 case COND_FLOAT_MOV(MOVF, 0):
10601 case COND_FLOAT_MOV(MOVF, 1):
10602 case COND_FLOAT_MOV(MOVF, 2):
10603 case COND_FLOAT_MOV(MOVF, 3):
10604 case COND_FLOAT_MOV(MOVF, 4):
10605 case COND_FLOAT_MOV(MOVF, 5):
10606 case COND_FLOAT_MOV(MOVF, 6):
10607 case COND_FLOAT_MOV(MOVF, 7):
10608 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0);
10611 MIPS_INVAL("pool32fxf");
10612 generate_exception(ctx, EXCP_RI);
10617 static void decode_micromips32_opc (CPUState *env, DisasContext *ctx,
10618 uint16_t insn_hw1, int *is_branch)
10622 int rt, rs, rd, rr;
10624 uint32_t op, minor, mips32_op;
10625 uint32_t cond, fmt, cc;
10627 insn = lduw_code(ctx->pc + 2);
10628 ctx->opcode = (ctx->opcode << 16) | insn;
10630 rt = (ctx->opcode >> 21) & 0x1f;
10631 rs = (ctx->opcode >> 16) & 0x1f;
10632 rd = (ctx->opcode >> 11) & 0x1f;
10633 rr = (ctx->opcode >> 6) & 0x1f;
10634 imm = (int16_t) ctx->opcode;
10636 op = (ctx->opcode >> 26) & 0x3f;
10639 minor = ctx->opcode & 0x3f;
10642 minor = (ctx->opcode >> 6) & 0xf;
10645 mips32_op = OPC_SLL;
10648 mips32_op = OPC_SRA;
10651 mips32_op = OPC_SRL;
10654 mips32_op = OPC_ROTR;
10656 gen_shift_imm(env, ctx, mips32_op, rt, rs, rd);
10659 goto pool32a_invalid;
10663 minor = (ctx->opcode >> 6) & 0xf;
10667 mips32_op = OPC_ADD;
10670 mips32_op = OPC_ADDU;
10673 mips32_op = OPC_SUB;
10676 mips32_op = OPC_SUBU;
10679 mips32_op = OPC_MUL;
10681 gen_arith(env, ctx, mips32_op, rd, rs, rt);
10685 mips32_op = OPC_SLLV;
10688 mips32_op = OPC_SRLV;
10691 mips32_op = OPC_SRAV;
10694 mips32_op = OPC_ROTRV;
10696 gen_shift(env, ctx, mips32_op, rd, rs, rt);
10698 /* Logical operations */
10700 mips32_op = OPC_AND;
10703 mips32_op = OPC_OR;
10706 mips32_op = OPC_NOR;
10709 mips32_op = OPC_XOR;
10711 gen_logic(env, mips32_op, rd, rs, rt);
10713 /* Set less than */
10715 mips32_op = OPC_SLT;
10718 mips32_op = OPC_SLTU;
10720 gen_slt(env, mips32_op, rd, rs, rt);
10723 goto pool32a_invalid;
10727 minor = (ctx->opcode >> 6) & 0xf;
10729 /* Conditional moves */
10731 mips32_op = OPC_MOVN;
10734 mips32_op = OPC_MOVZ;
10736 gen_cond_move(env, mips32_op, rd, rs, rt);
10739 gen_ldxs(ctx, rs, rt, rd);
10742 goto pool32a_invalid;
10746 gen_bitops(ctx, OPC_INS, rt, rs, rr, rd);
10749 gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd);
10752 gen_pool32axf(env, ctx, rt, rs, is_branch);
10755 generate_exception(ctx, EXCP_BREAK);
10759 MIPS_INVAL("pool32a");
10760 generate_exception(ctx, EXCP_RI);
10765 minor = (ctx->opcode >> 12) & 0xf;
10768 /* Treat as no-op. */
10772 /* COP2: Not implemented. */
10773 generate_exception_err(ctx, EXCP_CpU, 2);
10777 #ifdef TARGET_MIPS64
10781 gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
10785 #ifdef TARGET_MIPS64
10789 gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
10792 MIPS_INVAL("pool32b");
10793 generate_exception(ctx, EXCP_RI);
10798 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
10799 minor = ctx->opcode & 0x3f;
10800 check_cp1_enabled(ctx);
10803 mips32_op = OPC_ALNV_PS;
10806 mips32_op = OPC_MADD_S;
10809 mips32_op = OPC_MADD_D;
10812 mips32_op = OPC_MADD_PS;
10815 mips32_op = OPC_MSUB_S;
10818 mips32_op = OPC_MSUB_D;
10821 mips32_op = OPC_MSUB_PS;
10824 mips32_op = OPC_NMADD_S;
10827 mips32_op = OPC_NMADD_D;
10830 mips32_op = OPC_NMADD_PS;
10833 mips32_op = OPC_NMSUB_S;
10836 mips32_op = OPC_NMSUB_D;
10839 mips32_op = OPC_NMSUB_PS;
10841 gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt);
10843 case CABS_COND_FMT:
10844 cond = (ctx->opcode >> 6) & 0xf;
10845 cc = (ctx->opcode >> 13) & 0x7;
10846 fmt = (ctx->opcode >> 10) & 0x3;
10849 gen_cmpabs_s(ctx, cond, rt, rs, cc);
10852 gen_cmpabs_d(ctx, cond, rt, rs, cc);
10855 gen_cmpabs_ps(ctx, cond, rt, rs, cc);
10858 goto pool32f_invalid;
10862 cond = (ctx->opcode >> 6) & 0xf;
10863 cc = (ctx->opcode >> 13) & 0x7;
10864 fmt = (ctx->opcode >> 10) & 0x3;
10867 gen_cmp_s(ctx, cond, rt, rs, cc);
10870 gen_cmp_d(ctx, cond, rt, rs, cc);
10873 gen_cmp_ps(ctx, cond, rt, rs, cc);
10876 goto pool32f_invalid;
10880 gen_pool32fxf(env, ctx, rt, rs);
10884 switch ((ctx->opcode >> 6) & 0x7) {
10886 mips32_op = OPC_PLL_PS;
10889 mips32_op = OPC_PLU_PS;
10892 mips32_op = OPC_PUL_PS;
10895 mips32_op = OPC_PUU_PS;
10898 mips32_op = OPC_CVT_PS_S;
10900 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
10903 goto pool32f_invalid;
10908 switch ((ctx->opcode >> 6) & 0x7) {
10910 mips32_op = OPC_LWXC1;
10913 mips32_op = OPC_SWXC1;
10916 mips32_op = OPC_LDXC1;
10919 mips32_op = OPC_SDXC1;
10922 mips32_op = OPC_LUXC1;
10925 mips32_op = OPC_SUXC1;
10927 gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs);
10930 goto pool32f_invalid;
10935 fmt = (ctx->opcode >> 9) & 0x3;
10936 switch ((ctx->opcode >> 6) & 0x7) {
10940 mips32_op = OPC_RSQRT2_S;
10943 mips32_op = OPC_RSQRT2_D;
10946 mips32_op = OPC_RSQRT2_PS;
10949 goto pool32f_invalid;
10955 mips32_op = OPC_RECIP2_S;
10958 mips32_op = OPC_RECIP2_D;
10961 mips32_op = OPC_RECIP2_PS;
10964 goto pool32f_invalid;
10968 mips32_op = OPC_ADDR_PS;
10971 mips32_op = OPC_MULR_PS;
10973 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
10976 goto pool32f_invalid;
10980 /* MOV[FT].fmt and PREFX */
10981 cc = (ctx->opcode >> 13) & 0x7;
10982 fmt = (ctx->opcode >> 9) & 0x3;
10983 switch ((ctx->opcode >> 6) & 0x7) {
10987 gen_movcf_s(rs, rt, cc, 0);
10990 gen_movcf_d(ctx, rs, rt, cc, 0);
10993 gen_movcf_ps(rs, rt, cc, 0);
10996 goto pool32f_invalid;
11002 gen_movcf_s(rs, rt, cc, 1);
11005 gen_movcf_d(ctx, rs, rt, cc, 1);
11008 gen_movcf_ps(rs, rt, cc, 1);
11011 goto pool32f_invalid;
11017 goto pool32f_invalid;
11020 #define FINSN_3ARG_SDPS(prfx) \
11021 switch ((ctx->opcode >> 8) & 0x3) { \
11023 mips32_op = OPC_##prfx##_S; \
11026 mips32_op = OPC_##prfx##_D; \
11028 case FMT_SDPS_PS: \
11029 mips32_op = OPC_##prfx##_PS; \
11032 goto pool32f_invalid; \
11035 /* regular FP ops */
11036 switch ((ctx->opcode >> 6) & 0x3) {
11038 FINSN_3ARG_SDPS(ADD);
11041 FINSN_3ARG_SDPS(SUB);
11044 FINSN_3ARG_SDPS(MUL);
11047 fmt = (ctx->opcode >> 8) & 0x3;
11049 mips32_op = OPC_DIV_D;
11050 } else if (fmt == 0) {
11051 mips32_op = OPC_DIV_S;
11053 goto pool32f_invalid;
11057 goto pool32f_invalid;
11062 switch ((ctx->opcode >> 6) & 0x3) {
11064 FINSN_3ARG_SDPS(MOVN);
11067 FINSN_3ARG_SDPS(MOVZ);
11070 goto pool32f_invalid;
11074 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
11078 MIPS_INVAL("pool32f");
11079 generate_exception(ctx, EXCP_RI);
11083 generate_exception_err(ctx, EXCP_CpU, 1);
11087 minor = (ctx->opcode >> 21) & 0x1f;
11090 mips32_op = OPC_BLTZ;
11093 mips32_op = OPC_BLTZAL;
11096 mips32_op = OPC_BLTZALS;
11099 mips32_op = OPC_BGEZ;
11102 mips32_op = OPC_BGEZAL;
11105 mips32_op = OPC_BGEZALS;
11108 mips32_op = OPC_BLEZ;
11111 mips32_op = OPC_BGTZ;
11113 gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1);
11119 mips32_op = OPC_TLTI;
11122 mips32_op = OPC_TGEI;
11125 mips32_op = OPC_TLTIU;
11128 mips32_op = OPC_TGEIU;
11131 mips32_op = OPC_TNEI;
11134 mips32_op = OPC_TEQI;
11136 gen_trap(ctx, mips32_op, rs, -1, imm);
11141 gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ,
11142 4, rs, 0, imm << 1);
11143 /* Compact branches don't have a delay slot, so just let
11144 the normal delay slot handling take us to the branch
11148 gen_logic_imm(env, OPC_LUI, rs, -1, imm);
11154 /* COP2: Not implemented. */
11155 generate_exception_err(ctx, EXCP_CpU, 2);
11158 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F;
11161 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T;
11164 mips32_op = OPC_BC1FANY4;
11167 mips32_op = OPC_BC1TANY4;
11170 check_insn(env, ctx, ASE_MIPS3D);
11173 gen_compute_branch1(env, ctx, mips32_op,
11174 (ctx->opcode >> 18) & 0x7, imm << 1);
11179 /* MIPS DSP: not implemented */
11182 MIPS_INVAL("pool32i");
11183 generate_exception(ctx, EXCP_RI);
11188 minor = (ctx->opcode >> 12) & 0xf;
11191 mips32_op = OPC_LWL;
11194 mips32_op = OPC_SWL;
11197 mips32_op = OPC_LWR;
11200 mips32_op = OPC_SWR;
11202 #if defined(TARGET_MIPS64)
11204 mips32_op = OPC_LDL;
11207 mips32_op = OPC_SDL;
11210 mips32_op = OPC_LDR;
11213 mips32_op = OPC_SDR;
11216 mips32_op = OPC_LWU;
11219 mips32_op = OPC_LLD;
11223 mips32_op = OPC_LL;
11226 gen_ld(env, ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12));
11229 gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12));
11232 gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12));
11234 #if defined(TARGET_MIPS64)
11236 gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12));
11240 /* Treat as no-op */
11243 MIPS_INVAL("pool32c");
11244 generate_exception(ctx, EXCP_RI);
11249 mips32_op = OPC_ADDI;
11252 mips32_op = OPC_ADDIU;
11254 gen_arith_imm(env, ctx, mips32_op, rt, rs, imm);
11257 /* Logical operations */
11259 mips32_op = OPC_ORI;
11262 mips32_op = OPC_XORI;
11265 mips32_op = OPC_ANDI;
11267 gen_logic_imm(env, mips32_op, rt, rs, imm);
11270 /* Set less than immediate */
11272 mips32_op = OPC_SLTI;
11275 mips32_op = OPC_SLTIU;
11277 gen_slt_imm(env, mips32_op, rt, rs, imm);
11280 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
11281 gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset);
11285 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1;
11286 gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset);
11290 gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1);
11294 gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1);
11298 gen_compute_branch(ctx, OPC_J, 4, rt, rs,
11299 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1);
11303 gen_compute_branch(ctx, OPC_JAL, 4, rt, rs,
11304 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1);
11307 /* Floating point (COP1) */
11309 mips32_op = OPC_LWC1;
11312 mips32_op = OPC_LDC1;
11315 mips32_op = OPC_SWC1;
11318 mips32_op = OPC_SDC1;
11320 gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm);
11324 int reg = mmreg(ZIMM(ctx->opcode, 23, 3));
11325 int offset = SIMM(ctx->opcode, 0, 23) << 2;
11327 gen_addiupc(ctx, reg, offset, 0, 0);
11330 /* Loads and stores */
11332 mips32_op = OPC_LB;
11335 mips32_op = OPC_LBU;
11338 mips32_op = OPC_LH;
11341 mips32_op = OPC_LHU;
11344 mips32_op = OPC_LW;
11346 #ifdef TARGET_MIPS64
11348 mips32_op = OPC_LD;
11351 mips32_op = OPC_SD;
11355 mips32_op = OPC_SB;
11358 mips32_op = OPC_SH;
11361 mips32_op = OPC_SW;
11364 gen_ld(env, ctx, mips32_op, rt, rs, imm);
11367 gen_st(ctx, mips32_op, rt, rs, imm);
11370 generate_exception(ctx, EXCP_RI);
11375 static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch)
11379 /* make sure instructions are on a halfword boundary */
11380 if (ctx->pc & 0x1) {
11381 env->CP0_BadVAddr = ctx->pc;
11382 generate_exception(ctx, EXCP_AdEL);
11383 ctx->bstate = BS_STOP;
11387 op = (ctx->opcode >> 10) & 0x3f;
11388 /* Enforce properly-sized instructions in a delay slot */
11389 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11390 int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT;
11424 case POOL48A: /* ??? */
11429 if (bits & MIPS_HFLAG_BDS16) {
11430 generate_exception(ctx, EXCP_RI);
11431 /* Just stop translation; the user is confused. */
11432 ctx->bstate = BS_STOP;
11457 if (bits & MIPS_HFLAG_BDS32) {
11458 generate_exception(ctx, EXCP_RI);
11459 /* Just stop translation; the user is confused. */
11460 ctx->bstate = BS_STOP;
11471 int rd = mmreg(uMIPS_RD(ctx->opcode));
11472 int rs1 = mmreg(uMIPS_RS1(ctx->opcode));
11473 int rs2 = mmreg(uMIPS_RS2(ctx->opcode));
11476 switch (ctx->opcode & 0x1) {
11485 gen_arith(env, ctx, opc, rd, rs1, rs2);
11490 int rd = mmreg(uMIPS_RD(ctx->opcode));
11491 int rs = mmreg(uMIPS_RS(ctx->opcode));
11492 int amount = (ctx->opcode >> 1) & 0x7;
11494 amount = amount == 0 ? 8 : amount;
11496 switch (ctx->opcode & 0x1) {
11505 gen_shift_imm(env, ctx, opc, rd, rs, amount);
11509 gen_pool16c_insn(env, ctx, is_branch);
11513 int rd = mmreg(uMIPS_RD(ctx->opcode));
11514 int rb = 28; /* GP */
11515 int16_t offset = SIMM(ctx->opcode, 0, 7) << 2;
11517 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11521 if (ctx->opcode & 1) {
11522 generate_exception(ctx, EXCP_RI);
11525 int enc_dest = uMIPS_RD(ctx->opcode);
11526 int enc_rt = uMIPS_RS2(ctx->opcode);
11527 int enc_rs = uMIPS_RS1(ctx->opcode);
11528 int rd, rs, re, rt;
11529 static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 };
11530 static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 };
11531 static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 };
11533 rd = rd_enc[enc_dest];
11534 re = re_enc[enc_dest];
11535 rs = rs_rt_enc[enc_rs];
11536 rt = rs_rt_enc[enc_rt];
11538 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
11539 gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0);
11544 int rd = mmreg(uMIPS_RD(ctx->opcode));
11545 int rb = mmreg(uMIPS_RS(ctx->opcode));
11546 int16_t offset = ZIMM(ctx->opcode, 0, 4);
11547 offset = (offset == 0xf ? -1 : offset);
11549 gen_ld(env, ctx, OPC_LBU, rd, rb, offset);
11554 int rd = mmreg(uMIPS_RD(ctx->opcode));
11555 int rb = mmreg(uMIPS_RS(ctx->opcode));
11556 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
11558 gen_ld(env, ctx, OPC_LHU, rd, rb, offset);
11563 int rd = (ctx->opcode >> 5) & 0x1f;
11564 int rb = 29; /* SP */
11565 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
11567 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11572 int rd = mmreg(uMIPS_RD(ctx->opcode));
11573 int rb = mmreg(uMIPS_RS(ctx->opcode));
11574 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
11576 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11581 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11582 int rb = mmreg(uMIPS_RS(ctx->opcode));
11583 int16_t offset = ZIMM(ctx->opcode, 0, 4);
11585 gen_st(ctx, OPC_SB, rd, rb, offset);
11590 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11591 int rb = mmreg(uMIPS_RS(ctx->opcode));
11592 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
11594 gen_st(ctx, OPC_SH, rd, rb, offset);
11599 int rd = (ctx->opcode >> 5) & 0x1f;
11600 int rb = 29; /* SP */
11601 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
11603 gen_st(ctx, OPC_SW, rd, rb, offset);
11608 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11609 int rb = mmreg(uMIPS_RS(ctx->opcode));
11610 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
11612 gen_st(ctx, OPC_SW, rd, rb, offset);
11617 int rd = uMIPS_RD5(ctx->opcode);
11618 int rs = uMIPS_RS5(ctx->opcode);
11620 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
11624 gen_andi16(env, ctx);
11627 switch (ctx->opcode & 0x1) {
11629 gen_addius5(env, ctx);
11632 gen_addiusp(env, ctx);
11637 switch (ctx->opcode & 0x1) {
11639 gen_addiur2(env, ctx);
11642 gen_addiur1sp(env, ctx);
11647 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0,
11648 SIMM(ctx->opcode, 0, 10) << 1);
11653 gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2,
11654 mmreg(uMIPS_RD(ctx->opcode)),
11655 0, SIMM(ctx->opcode, 0, 7) << 1);
11660 int reg = mmreg(uMIPS_RD(ctx->opcode));
11661 int imm = ZIMM(ctx->opcode, 0, 7);
11663 imm = (imm == 0x7f ? -1 : imm);
11664 tcg_gen_movi_tl(cpu_gpr[reg], imm);
11674 generate_exception(ctx, EXCP_RI);
11677 decode_micromips32_opc (env, ctx, op, is_branch);
11684 /* SmartMIPS extension to MIPS32 */
11686 #if defined(TARGET_MIPS64)
11688 /* MDMX extension to MIPS64 */
11692 static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch)
11695 int rs, rt, rd, sa;
11696 uint32_t op, op1, op2;
11699 /* make sure instructions are on a word boundary */
11700 if (ctx->pc & 0x3) {
11701 env->CP0_BadVAddr = ctx->pc;
11702 generate_exception(ctx, EXCP_AdEL);
11706 /* Handle blikely not taken case */
11707 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
11708 int l1 = gen_new_label();
11710 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
11711 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
11712 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
11713 gen_goto_tb(ctx, 1, ctx->pc + 4);
11717 if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
11718 tcg_gen_debug_insn_start(ctx->pc);
11720 op = MASK_OP_MAJOR(ctx->opcode);
11721 rs = (ctx->opcode >> 21) & 0x1f;
11722 rt = (ctx->opcode >> 16) & 0x1f;
11723 rd = (ctx->opcode >> 11) & 0x1f;
11724 sa = (ctx->opcode >> 6) & 0x1f;
11725 imm = (int16_t)ctx->opcode;
11728 op1 = MASK_SPECIAL(ctx->opcode);
11730 case OPC_SLL: /* Shift with immediate */
11732 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11735 switch ((ctx->opcode >> 21) & 0x1f) {
11737 /* rotr is decoded as srl on non-R2 CPUs */
11738 if (env->insn_flags & ISA_MIPS32R2) {
11743 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11746 generate_exception(ctx, EXCP_RI);
11750 case OPC_MOVN: /* Conditional move */
11752 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32 |
11753 INSN_LOONGSON2E | INSN_LOONGSON2F);
11754 gen_cond_move(env, op1, rd, rs, rt);
11756 case OPC_ADD ... OPC_SUBU:
11757 gen_arith(env, ctx, op1, rd, rs, rt);
11759 case OPC_SLLV: /* Shifts */
11761 gen_shift(env, ctx, op1, rd, rs, rt);
11764 switch ((ctx->opcode >> 6) & 0x1f) {
11766 /* rotrv is decoded as srlv on non-R2 CPUs */
11767 if (env->insn_flags & ISA_MIPS32R2) {
11772 gen_shift(env, ctx, op1, rd, rs, rt);
11775 generate_exception(ctx, EXCP_RI);
11779 case OPC_SLT: /* Set on less than */
11781 gen_slt(env, op1, rd, rs, rt);
11783 case OPC_AND: /* Logic*/
11787 gen_logic(env, op1, rd, rs, rt);
11789 case OPC_MULT ... OPC_DIVU:
11791 check_insn(env, ctx, INSN_VR54XX);
11792 op1 = MASK_MUL_VR54XX(ctx->opcode);
11793 gen_mul_vr54xx(ctx, op1, rd, rs, rt);
11795 gen_muldiv(ctx, op1, rs, rt);
11797 case OPC_JR ... OPC_JALR:
11798 gen_compute_branch(ctx, op1, 4, rs, rd, sa);
11801 case OPC_TGE ... OPC_TEQ: /* Traps */
11803 gen_trap(ctx, op1, rs, rt, -1);
11805 case OPC_MFHI: /* Move from HI/LO */
11807 gen_HILO(ctx, op1, rd);
11810 case OPC_MTLO: /* Move to HI/LO */
11811 gen_HILO(ctx, op1, rs);
11813 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
11814 #ifdef MIPS_STRICT_STANDARD
11815 MIPS_INVAL("PMON / selsl");
11816 generate_exception(ctx, EXCP_RI);
11818 gen_helper_0i(pmon, sa);
11822 generate_exception(ctx, EXCP_SYSCALL);
11823 ctx->bstate = BS_STOP;
11826 generate_exception(ctx, EXCP_BREAK);
11829 #ifdef MIPS_STRICT_STANDARD
11830 MIPS_INVAL("SPIM");
11831 generate_exception(ctx, EXCP_RI);
11833 /* Implemented as RI exception for now. */
11834 MIPS_INVAL("spim (unofficial)");
11835 generate_exception(ctx, EXCP_RI);
11839 /* Treat as NOP. */
11843 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
11844 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
11845 check_cp1_enabled(ctx);
11846 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
11847 (ctx->opcode >> 16) & 1);
11849 generate_exception_err(ctx, EXCP_CpU, 1);
11853 #if defined(TARGET_MIPS64)
11854 /* MIPS64 specific opcodes */
11859 check_insn(env, ctx, ISA_MIPS3);
11860 check_mips_64(ctx);
11861 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11864 switch ((ctx->opcode >> 21) & 0x1f) {
11866 /* drotr is decoded as dsrl on non-R2 CPUs */
11867 if (env->insn_flags & ISA_MIPS32R2) {
11872 check_insn(env, ctx, ISA_MIPS3);
11873 check_mips_64(ctx);
11874 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11877 generate_exception(ctx, EXCP_RI);
11882 switch ((ctx->opcode >> 21) & 0x1f) {
11884 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
11885 if (env->insn_flags & ISA_MIPS32R2) {
11890 check_insn(env, ctx, ISA_MIPS3);
11891 check_mips_64(ctx);
11892 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11895 generate_exception(ctx, EXCP_RI);
11899 case OPC_DADD ... OPC_DSUBU:
11900 check_insn(env, ctx, ISA_MIPS3);
11901 check_mips_64(ctx);
11902 gen_arith(env, ctx, op1, rd, rs, rt);
11906 check_insn(env, ctx, ISA_MIPS3);
11907 check_mips_64(ctx);
11908 gen_shift(env, ctx, op1, rd, rs, rt);
11911 switch ((ctx->opcode >> 6) & 0x1f) {
11913 /* drotrv is decoded as dsrlv on non-R2 CPUs */
11914 if (env->insn_flags & ISA_MIPS32R2) {
11919 check_insn(env, ctx, ISA_MIPS3);
11920 check_mips_64(ctx);
11921 gen_shift(env, ctx, op1, rd, rs, rt);
11924 generate_exception(ctx, EXCP_RI);
11928 case OPC_DMULT ... OPC_DDIVU:
11929 check_insn(env, ctx, ISA_MIPS3);
11930 check_mips_64(ctx);
11931 gen_muldiv(ctx, op1, rs, rt);
11934 default: /* Invalid */
11935 MIPS_INVAL("special");
11936 generate_exception(ctx, EXCP_RI);
11941 op1 = MASK_SPECIAL2(ctx->opcode);
11943 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
11944 case OPC_MSUB ... OPC_MSUBU:
11945 check_insn(env, ctx, ISA_MIPS32);
11946 gen_muldiv(ctx, op1, rs, rt);
11949 gen_arith(env, ctx, op1, rd, rs, rt);
11953 check_insn(env, ctx, ISA_MIPS32);
11954 gen_cl(ctx, op1, rd, rs);
11957 /* XXX: not clear which exception should be raised
11958 * when in debug mode...
11960 check_insn(env, ctx, ISA_MIPS32);
11961 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
11962 generate_exception(ctx, EXCP_DBp);
11964 generate_exception(ctx, EXCP_DBp);
11966 /* Treat as NOP. */
11969 case OPC_DIVU_G_2F:
11970 case OPC_MULT_G_2F:
11971 case OPC_MULTU_G_2F:
11973 case OPC_MODU_G_2F:
11974 check_insn(env, ctx, INSN_LOONGSON2F);
11975 gen_loongson_integer(ctx, op1, rd, rs, rt);
11977 #if defined(TARGET_MIPS64)
11980 check_insn(env, ctx, ISA_MIPS64);
11981 check_mips_64(ctx);
11982 gen_cl(ctx, op1, rd, rs);
11984 case OPC_DMULT_G_2F:
11985 case OPC_DMULTU_G_2F:
11986 case OPC_DDIV_G_2F:
11987 case OPC_DDIVU_G_2F:
11988 case OPC_DMOD_G_2F:
11989 case OPC_DMODU_G_2F:
11990 check_insn(env, ctx, INSN_LOONGSON2F);
11991 gen_loongson_integer(ctx, op1, rd, rs, rt);
11994 default: /* Invalid */
11995 MIPS_INVAL("special2");
11996 generate_exception(ctx, EXCP_RI);
12001 op1 = MASK_SPECIAL3(ctx->opcode);
12005 check_insn(env, ctx, ISA_MIPS32R2);
12006 gen_bitops(ctx, op1, rt, rs, sa, rd);
12009 check_insn(env, ctx, ISA_MIPS32R2);
12010 op2 = MASK_BSHFL(ctx->opcode);
12011 gen_bshfl(ctx, op2, rt, rd);
12014 gen_rdhwr(env, ctx, rt, rd);
12017 check_insn(env, ctx, ASE_MT);
12019 TCGv t0 = tcg_temp_new();
12020 TCGv t1 = tcg_temp_new();
12022 gen_load_gpr(t0, rt);
12023 gen_load_gpr(t1, rs);
12024 gen_helper_fork(t0, t1);
12030 check_insn(env, ctx, ASE_MT);
12032 TCGv t0 = tcg_temp_new();
12034 save_cpu_state(ctx, 1);
12035 gen_load_gpr(t0, rs);
12036 gen_helper_yield(t0, t0);
12037 gen_store_gpr(t0, rd);
12041 case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
12042 case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
12043 case OPC_MOD_G_2E ... OPC_MODU_G_2E:
12044 check_insn(env, ctx, INSN_LOONGSON2E);
12045 gen_loongson_integer(ctx, op1, rd, rs, rt);
12047 #if defined(TARGET_MIPS64)
12048 case OPC_DEXTM ... OPC_DEXT:
12049 case OPC_DINSM ... OPC_DINS:
12050 check_insn(env, ctx, ISA_MIPS64R2);
12051 check_mips_64(ctx);
12052 gen_bitops(ctx, op1, rt, rs, sa, rd);
12055 check_insn(env, ctx, ISA_MIPS64R2);
12056 check_mips_64(ctx);
12057 op2 = MASK_DBSHFL(ctx->opcode);
12058 gen_bshfl(ctx, op2, rt, rd);
12060 case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
12061 case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
12062 case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
12063 check_insn(env, ctx, INSN_LOONGSON2E);
12064 gen_loongson_integer(ctx, op1, rd, rs, rt);
12067 default: /* Invalid */
12068 MIPS_INVAL("special3");
12069 generate_exception(ctx, EXCP_RI);
12074 op1 = MASK_REGIMM(ctx->opcode);
12076 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
12077 case OPC_BLTZAL ... OPC_BGEZALL:
12078 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2);
12081 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
12083 gen_trap(ctx, op1, rs, -1, imm);
12086 check_insn(env, ctx, ISA_MIPS32R2);
12087 /* Treat as NOP. */
12089 default: /* Invalid */
12090 MIPS_INVAL("regimm");
12091 generate_exception(ctx, EXCP_RI);
12096 check_cp0_enabled(ctx);
12097 op1 = MASK_CP0(ctx->opcode);
12103 #if defined(TARGET_MIPS64)
12107 #ifndef CONFIG_USER_ONLY
12108 gen_cp0(env, ctx, op1, rt, rd);
12109 #endif /* !CONFIG_USER_ONLY */
12111 case OPC_C0_FIRST ... OPC_C0_LAST:
12112 #ifndef CONFIG_USER_ONLY
12113 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
12114 #endif /* !CONFIG_USER_ONLY */
12117 #ifndef CONFIG_USER_ONLY
12119 TCGv t0 = tcg_temp_new();
12121 op2 = MASK_MFMC0(ctx->opcode);
12124 check_insn(env, ctx, ASE_MT);
12125 gen_helper_dmt(t0);
12126 gen_store_gpr(t0, rt);
12129 check_insn(env, ctx, ASE_MT);
12130 gen_helper_emt(t0);
12131 gen_store_gpr(t0, rt);
12134 check_insn(env, ctx, ASE_MT);
12135 gen_helper_dvpe(t0);
12136 gen_store_gpr(t0, rt);
12139 check_insn(env, ctx, ASE_MT);
12140 gen_helper_evpe(t0);
12141 gen_store_gpr(t0, rt);
12144 check_insn(env, ctx, ISA_MIPS32R2);
12145 save_cpu_state(ctx, 1);
12147 gen_store_gpr(t0, rt);
12148 /* Stop translation as we may have switched the execution mode */
12149 ctx->bstate = BS_STOP;
12152 check_insn(env, ctx, ISA_MIPS32R2);
12153 save_cpu_state(ctx, 1);
12155 gen_store_gpr(t0, rt);
12156 /* Stop translation as we may have switched the execution mode */
12157 ctx->bstate = BS_STOP;
12159 default: /* Invalid */
12160 MIPS_INVAL("mfmc0");
12161 generate_exception(ctx, EXCP_RI);
12166 #endif /* !CONFIG_USER_ONLY */
12169 check_insn(env, ctx, ISA_MIPS32R2);
12170 gen_load_srsgpr(rt, rd);
12173 check_insn(env, ctx, ISA_MIPS32R2);
12174 gen_store_srsgpr(rt, rd);
12178 generate_exception(ctx, EXCP_RI);
12182 case OPC_ADDI: /* Arithmetic with immediate opcode */
12184 gen_arith_imm(env, ctx, op, rt, rs, imm);
12186 case OPC_SLTI: /* Set on less than with immediate opcode */
12188 gen_slt_imm(env, op, rt, rs, imm);
12190 case OPC_ANDI: /* Arithmetic with immediate opcode */
12194 gen_logic_imm(env, op, rt, rs, imm);
12196 case OPC_J ... OPC_JAL: /* Jump */
12197 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
12198 gen_compute_branch(ctx, op, 4, rs, rt, offset);
12201 case OPC_BEQ ... OPC_BGTZ: /* Branch */
12202 case OPC_BEQL ... OPC_BGTZL:
12203 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2);
12206 case OPC_LB ... OPC_LWR: /* Load and stores */
12208 gen_ld(env, ctx, op, rt, rs, imm);
12210 case OPC_SB ... OPC_SW:
12212 gen_st(ctx, op, rt, rs, imm);
12215 gen_st_cond(ctx, op, rt, rs, imm);
12218 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
12219 /* Treat as NOP. */
12222 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
12223 /* Treat as NOP. */
12226 /* Floating point (COP1). */
12231 gen_cop1_ldst(env, ctx, op, rt, rs, imm);
12235 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12236 check_cp1_enabled(ctx);
12237 op1 = MASK_CP1(ctx->opcode);
12241 check_insn(env, ctx, ISA_MIPS32R2);
12246 gen_cp1(ctx, op1, rt, rd);
12248 #if defined(TARGET_MIPS64)
12251 check_insn(env, ctx, ISA_MIPS3);
12252 gen_cp1(ctx, op1, rt, rd);
12258 check_insn(env, ctx, ASE_MIPS3D);
12261 gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
12262 (rt >> 2) & 0x7, imm << 2);
12270 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
12275 generate_exception (ctx, EXCP_RI);
12279 generate_exception_err(ctx, EXCP_CpU, 1);
12289 /* COP2: Not implemented. */
12290 generate_exception_err(ctx, EXCP_CpU, 2);
12294 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12295 check_cp1_enabled(ctx);
12296 op1 = MASK_CP3(ctx->opcode);
12304 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
12307 /* Treat as NOP. */
12322 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
12326 generate_exception (ctx, EXCP_RI);
12330 generate_exception_err(ctx, EXCP_CpU, 1);
12334 #if defined(TARGET_MIPS64)
12335 /* MIPS64 opcodes */
12337 case OPC_LDL ... OPC_LDR:
12340 check_insn(env, ctx, ISA_MIPS3);
12341 check_mips_64(ctx);
12342 gen_ld(env, ctx, op, rt, rs, imm);
12344 case OPC_SDL ... OPC_SDR:
12346 check_insn(env, ctx, ISA_MIPS3);
12347 check_mips_64(ctx);
12348 gen_st(ctx, op, rt, rs, imm);
12351 check_insn(env, ctx, ISA_MIPS3);
12352 check_mips_64(ctx);
12353 gen_st_cond(ctx, op, rt, rs, imm);
12357 check_insn(env, ctx, ISA_MIPS3);
12358 check_mips_64(ctx);
12359 gen_arith_imm(env, ctx, op, rt, rs, imm);
12363 check_insn(env, ctx, ASE_MIPS16 | ASE_MICROMIPS);
12364 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
12365 gen_compute_branch(ctx, op, 4, rs, rt, offset);
12369 check_insn(env, ctx, ASE_MDMX);
12370 /* MDMX: Not implemented. */
12371 default: /* Invalid */
12372 MIPS_INVAL("major opcode");
12373 generate_exception(ctx, EXCP_RI);
12379 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
12383 target_ulong pc_start;
12384 uint16_t *gen_opc_end;
12393 qemu_log("search pc %d\n", search_pc);
12396 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
12399 ctx.singlestep_enabled = env->singlestep_enabled;
12401 ctx.bstate = BS_NONE;
12402 /* Restore delay slot state from the tb context. */
12403 ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
12404 restore_cpu_state(env, &ctx);
12405 #ifdef CONFIG_USER_ONLY
12406 ctx.mem_idx = MIPS_HFLAG_UM;
12408 ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
12411 max_insns = tb->cflags & CF_COUNT_MASK;
12412 if (max_insns == 0)
12413 max_insns = CF_COUNT_MASK;
12414 LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
12415 gen_icount_start();
12416 while (ctx.bstate == BS_NONE) {
12417 if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
12418 QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
12419 if (bp->pc == ctx.pc) {
12420 save_cpu_state(&ctx, 1);
12421 ctx.bstate = BS_BRANCH;
12422 gen_helper_0i(raise_exception, EXCP_DEBUG);
12423 /* Include the breakpoint location or the tb won't
12424 * be flushed when it must be. */
12426 goto done_generating;
12432 j = gen_opc_ptr - gen_opc_buf;
12436 gen_opc_instr_start[lj++] = 0;
12438 gen_opc_pc[lj] = ctx.pc;
12439 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
12440 gen_opc_instr_start[lj] = 1;
12441 gen_opc_icount[lj] = num_insns;
12443 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
12447 if (!(ctx.hflags & MIPS_HFLAG_M16)) {
12448 ctx.opcode = ldl_code(ctx.pc);
12450 decode_opc(env, &ctx, &is_branch);
12451 } else if (env->insn_flags & ASE_MICROMIPS) {
12452 ctx.opcode = lduw_code(ctx.pc);
12453 insn_bytes = decode_micromips_opc(env, &ctx, &is_branch);
12454 } else if (env->insn_flags & ASE_MIPS16) {
12455 ctx.opcode = lduw_code(ctx.pc);
12456 insn_bytes = decode_mips16_opc(env, &ctx, &is_branch);
12458 generate_exception(&ctx, EXCP_RI);
12459 ctx.bstate = BS_STOP;
12463 handle_delay_slot(env, &ctx, insn_bytes);
12465 ctx.pc += insn_bytes;
12469 /* Execute a branch and its delay slot as a single instruction.
12470 This is what GDB expects and is consistent with what the
12471 hardware does (e.g. if a delay slot instruction faults, the
12472 reported PC is the PC of the branch). */
12473 if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0)
12476 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
12479 if (gen_opc_ptr >= gen_opc_end)
12482 if (num_insns >= max_insns)
12488 if (tb->cflags & CF_LAST_IO)
12490 if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
12491 save_cpu_state(&ctx, ctx.bstate == BS_NONE);
12492 gen_helper_0i(raise_exception, EXCP_DEBUG);
12494 switch (ctx.bstate) {
12496 gen_goto_tb(&ctx, 0, ctx.pc);
12499 save_cpu_state(&ctx, 0);
12500 gen_goto_tb(&ctx, 0, ctx.pc);
12503 tcg_gen_exit_tb(0);
12511 gen_icount_end(tb, num_insns);
12512 *gen_opc_ptr = INDEX_op_end;
12514 j = gen_opc_ptr - gen_opc_buf;
12517 gen_opc_instr_start[lj++] = 0;
12519 tb->size = ctx.pc - pc_start;
12520 tb->icount = num_insns;
12524 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
12525 qemu_log("IN: %s\n", lookup_symbol(pc_start));
12526 log_target_disas(pc_start, ctx.pc - pc_start, 0);
12532 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
12534 gen_intermediate_code_internal(env, tb, 0);
12537 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
12539 gen_intermediate_code_internal(env, tb, 1);
12542 static void fpu_dump_state(CPUState *env, FILE *f, fprintf_function fpu_fprintf,
12546 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
12548 #define printfpr(fp) \
12551 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
12552 " fd:%13g fs:%13g psu: %13g\n", \
12553 (fp)->w[FP_ENDIAN_IDX], (fp)->d, \
12554 (double)(fp)->fd, \
12555 (double)(fp)->fs[FP_ENDIAN_IDX], \
12556 (double)(fp)->fs[!FP_ENDIAN_IDX]); \
12559 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
12560 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
12561 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
12562 " fd:%13g fs:%13g psu:%13g\n", \
12563 tmp.w[FP_ENDIAN_IDX], tmp.d, \
12565 (double)tmp.fs[FP_ENDIAN_IDX], \
12566 (double)tmp.fs[!FP_ENDIAN_IDX]); \
12571 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%02x\n",
12572 env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64,
12573 get_float_exception_flags(&env->active_fpu.fp_status));
12574 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
12575 fpu_fprintf(f, "%3s: ", fregnames[i]);
12576 printfpr(&env->active_fpu.fpr[i]);
12582 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
12583 /* Debug help: The architecture requires 32bit code to maintain proper
12584 sign-extended values on 64bit machines. */
12586 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
12589 cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
12590 fprintf_function cpu_fprintf,
12595 if (!SIGN_EXT_P(env->active_tc.PC))
12596 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
12597 if (!SIGN_EXT_P(env->active_tc.HI[0]))
12598 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
12599 if (!SIGN_EXT_P(env->active_tc.LO[0]))
12600 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
12601 if (!SIGN_EXT_P(env->btarget))
12602 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
12604 for (i = 0; i < 32; i++) {
12605 if (!SIGN_EXT_P(env->active_tc.gpr[i]))
12606 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
12609 if (!SIGN_EXT_P(env->CP0_EPC))
12610 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
12611 if (!SIGN_EXT_P(env->lladdr))
12612 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr);
12616 void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf,
12621 cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx
12622 " LO=0x" TARGET_FMT_lx " ds %04x "
12623 TARGET_FMT_lx " " TARGET_FMT_ld "\n",
12624 env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
12625 env->hflags, env->btarget, env->bcond);
12626 for (i = 0; i < 32; i++) {
12628 cpu_fprintf(f, "GPR%02d:", i);
12629 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
12631 cpu_fprintf(f, "\n");
12634 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
12635 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
12636 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
12637 env->CP0_Config0, env->CP0_Config1, env->lladdr);
12638 if (env->hflags & MIPS_HFLAG_FPU)
12639 fpu_dump_state(env, f, cpu_fprintf, flags);
12640 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
12641 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
12645 static void mips_tcg_init(void)
12650 /* Initialize various static tables. */
12654 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
12655 TCGV_UNUSED(cpu_gpr[0]);
12656 for (i = 1; i < 32; i++)
12657 cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
12658 offsetof(CPUState, active_tc.gpr[i]),
12660 cpu_PC = tcg_global_mem_new(TCG_AREG0,
12661 offsetof(CPUState, active_tc.PC), "PC");
12662 for (i = 0; i < MIPS_DSP_ACC; i++) {
12663 cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
12664 offsetof(CPUState, active_tc.HI[i]),
12666 cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
12667 offsetof(CPUState, active_tc.LO[i]),
12669 cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0,
12670 offsetof(CPUState, active_tc.ACX[i]),
12673 cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
12674 offsetof(CPUState, active_tc.DSPControl),
12676 bcond = tcg_global_mem_new(TCG_AREG0,
12677 offsetof(CPUState, bcond), "bcond");
12678 btarget = tcg_global_mem_new(TCG_AREG0,
12679 offsetof(CPUState, btarget), "btarget");
12680 hflags = tcg_global_mem_new_i32(TCG_AREG0,
12681 offsetof(CPUState, hflags), "hflags");
12683 fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
12684 offsetof(CPUState, active_fpu.fcr0),
12686 fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
12687 offsetof(CPUState, active_fpu.fcr31),
12690 /* register helpers */
12691 #define GEN_HELPER 2
12692 #include "helper.h"
12697 #include "translate_init.c"
12699 CPUMIPSState *cpu_mips_init (const char *cpu_model)
12702 const mips_def_t *def;
12704 def = cpu_mips_find_by_name(cpu_model);
12707 env = g_malloc0(sizeof(CPUMIPSState));
12708 env->cpu_model = def;
12709 env->cpu_model_str = cpu_model;
12711 cpu_exec_init(env);
12712 #ifndef CONFIG_USER_ONLY
12713 mmu_init(env, def);
12715 fpu_init(env, def);
12716 mvp_init(env, def);
12719 qemu_init_vcpu(env);
12723 void cpu_reset (CPUMIPSState *env)
12725 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
12726 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
12727 log_cpu_state(env, 0);
12730 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
12733 /* Reset registers to their default values */
12734 env->CP0_PRid = env->cpu_model->CP0_PRid;
12735 env->CP0_Config0 = env->cpu_model->CP0_Config0;
12736 #ifdef TARGET_WORDS_BIGENDIAN
12737 env->CP0_Config0 |= (1 << CP0C0_BE);
12739 env->CP0_Config1 = env->cpu_model->CP0_Config1;
12740 env->CP0_Config2 = env->cpu_model->CP0_Config2;
12741 env->CP0_Config3 = env->cpu_model->CP0_Config3;
12742 env->CP0_Config6 = env->cpu_model->CP0_Config6;
12743 env->CP0_Config7 = env->cpu_model->CP0_Config7;
12744 env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask
12745 << env->cpu_model->CP0_LLAddr_shift;
12746 env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift;
12747 env->SYNCI_Step = env->cpu_model->SYNCI_Step;
12748 env->CCRes = env->cpu_model->CCRes;
12749 env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask;
12750 env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask;
12751 env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl;
12752 env->current_tc = 0;
12753 env->SEGBITS = env->cpu_model->SEGBITS;
12754 env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1);
12755 #if defined(TARGET_MIPS64)
12756 if (env->cpu_model->insn_flags & ISA_MIPS3) {
12757 env->SEGMask |= 3ULL << 62;
12760 env->PABITS = env->cpu_model->PABITS;
12761 env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1);
12762 env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask;
12763 env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0;
12764 env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask;
12765 env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1;
12766 env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask;
12767 env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2;
12768 env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask;
12769 env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3;
12770 env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask;
12771 env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4;
12772 env->insn_flags = env->cpu_model->insn_flags;
12774 #if defined(CONFIG_USER_ONLY)
12775 env->hflags = MIPS_HFLAG_UM;
12776 /* Enable access to the SYNCI_Step register. */
12777 env->CP0_HWREna |= (1 << 1);
12778 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12779 env->hflags |= MIPS_HFLAG_FPU;
12781 #ifdef TARGET_MIPS64
12782 if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
12783 env->hflags |= MIPS_HFLAG_F64;
12787 if (env->hflags & MIPS_HFLAG_BMASK) {
12788 /* If the exception was raised from a delay slot,
12789 come back to the jump. */
12790 env->CP0_ErrorEPC = env->active_tc.PC - 4;
12792 env->CP0_ErrorEPC = env->active_tc.PC;
12794 env->active_tc.PC = (int32_t)0xBFC00000;
12795 env->CP0_Random = env->tlb->nb_tlb - 1;
12796 env->tlb->tlb_in_use = env->tlb->nb_tlb;
12797 env->CP0_Wired = 0;
12798 env->CP0_EBase = 0x80000000 | (env->cpu_index & 0x3FF);
12799 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
12800 /* vectored interrupts not implemented, timer on int 7,
12801 no performance counters. */
12802 env->CP0_IntCtl = 0xe0000000;
12806 for (i = 0; i < 7; i++) {
12807 env->CP0_WatchLo[i] = 0;
12808 env->CP0_WatchHi[i] = 0x80000000;
12810 env->CP0_WatchLo[7] = 0;
12811 env->CP0_WatchHi[7] = 0;
12813 /* Count register increments in debug mode, EJTAG version 1 */
12814 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
12815 env->hflags = MIPS_HFLAG_CP0;
12817 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
12820 /* Only TC0 on VPE 0 starts as active. */
12821 for (i = 0; i < ARRAY_SIZE(env->tcs); i++) {
12822 env->tcs[i].CP0_TCBind = env->cpu_index << CP0TCBd_CurVPE;
12823 env->tcs[i].CP0_TCHalt = 1;
12825 env->active_tc.CP0_TCHalt = 1;
12828 if (!env->cpu_index) {
12829 /* VPE0 starts up enabled. */
12830 env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
12831 env->CP0_VPEConf0 |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
12833 /* TC0 starts up unhalted. */
12835 env->active_tc.CP0_TCHalt = 0;
12836 env->tcs[0].CP0_TCHalt = 0;
12837 /* With thread 0 active. */
12838 env->active_tc.CP0_TCStatus = (1 << CP0TCSt_A);
12839 env->tcs[0].CP0_TCStatus = (1 << CP0TCSt_A);
12843 #if defined(TARGET_MIPS64)
12844 if (env->cpu_model->insn_flags & ISA_MIPS3) {
12845 env->hflags |= MIPS_HFLAG_64;
12848 env->exception_index = EXCP_NONE;
12851 void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
12853 env->active_tc.PC = gen_opc_pc[pc_pos];
12854 env->hflags &= ~MIPS_HFLAG_BMASK;
12855 env->hflags |= gen_opc_hflags[pc_pos];