4 /* General config options */
7 #define WITH_MODULO_MEMORY 1
8 #define WITH_WATCHPOINTS 1
11 /* The v850 has 32bit words, numbered 31 (MSB) to 0 (LSB) */
13 #define WITH_TARGET_WORD_MSB 31
16 #include "sim-basics.h"
17 #include "sim-signal.h"
20 typedef address_word sim_cia;
22 typedef struct _sim_cpu SIM_CPU;
31 typedef unsigned8 uint8;
32 typedef signed16 int16;
33 typedef unsigned16 uint16;
34 typedef signed32 int32;
35 typedef unsigned32 uint32;
36 typedef unsigned32 reg_t;
37 typedef unsigned64 reg64_t;
40 /* The current state of the processor; registers, memory, etc. */
42 typedef struct _v850_regs {
43 reg_t regs[32]; /* general-purpose registers */
44 reg_t sregs[32]; /* system registers, including psw */
46 int dummy_mem; /* where invalid accesses go */
47 reg_t mpu0_sregs[28]; /* mpu0 system registers */
48 reg_t mpu1_sregs[28]; /* mpu1 system registers */
49 reg_t fpu_sregs[28]; /* fpu system registers */
50 reg_t selID_sregs[7][32]; /* system registers, selID 1 thru selID 7 */
51 reg64_t vregs[32]; /* vector registers. */
56 /* ... simulator specific members ... */
58 reg_t psw_mask; /* only allow non-reserved bits to be set */
59 sim_event *pending_nmi;
60 /* ... base type ... */
64 #define CIA_GET(CPU) ((CPU)->reg.pc + 0)
65 #define CIA_SET(CPU,VAL) ((CPU)->reg.pc = (VAL))
68 sim_cpu *cpu[MAX_NR_PROCESSORS];
70 #define STATE_CPU(sd,n) ((sd)->cpu[n])
72 #define STATE_CPU(sd,n) ((sd)->cpu[0])
84 /* For compatibility, until all functions converted to passing
85 SIM_DESC as an argument */
86 extern SIM_DESC simulator;
89 #define V850_ROM_SIZE 0x8000
90 #define V850_LOW_END 0x200000
91 #define V850_HIGH_START 0xffe000
94 /* Because we are still using the old semantic table, provide compat
95 macro's that store the instruction where the old simops expects
100 OP[0] = inst & 0x1f; /* RRRRR -> reg1 */
101 OP[1] = (inst >> 11) & 0x1f; /* rrrrr -> reg2 */
102 OP[2] = (inst >> 16) & 0xffff; /* wwwww -> reg3 OR imm16 */
108 OP[0] = instruction_0 & 0x1f; \
109 OP[1] = (instruction_0 >> 11) & 0x1f; \
111 OP[3] = instruction_0
113 #define COMPAT_1(CALL) \
120 OP[0] = instruction_0 & 0x1f; \
121 OP[1] = (instruction_0 >> 11) & 0x1f; \
122 OP[2] = instruction_1; \
123 OP[3] = (instruction_1 << 16) | instruction_0
125 #define COMPAT_2(CALL) \
132 #define GR ((CPU)->reg.regs)
133 #define SR ((CPU)->reg.sregs)
134 #define VR ((CPU)->reg.vregs)
135 #define MPU0_SR ((STATE_CPU (sd, 0))->reg.mpu0_sregs)
136 #define MPU1_SR ((STATE_CPU (sd, 0))->reg.mpu1_sregs)
137 #define FPU_SR ((STATE_CPU (sd, 0))->reg.fpu_sregs)
140 #define State (STATE_CPU (simulator, 0)->reg)
141 #define PC (State.pc)
143 #define SP (State.regs[SP_REGNO])
144 #define EP (State.regs[30])
146 #define EIPC (State.sregs[0])
147 #define EIPSW (State.sregs[1])
148 #define FEPC (State.sregs[2])
149 #define FEPSW (State.sregs[3])
150 #define ECR (State.sregs[4])
151 #define PSW (State.sregs[5])
153 #define EIIC (State.sregs[13])
154 #define FEIC (State.sregs[14])
155 #define DBIC (SR[15])
156 #define CTPC (SR[16])
157 #define CTPSW (SR[17])
158 #define DBPC (State.sregs[18])
159 #define DBPSW (State.sregs[19])
160 #define CTBP (State.sregs[20])
162 #define EIWR (SR[28])
163 #define FEWR (SR[29])
164 #define DBWR (SR[30])
165 #define BSEL (SR[31])
167 #define PSW_US BIT32 (8)
177 #define PSW_NPV (1<<18)
178 #define PSW_DMP (1<<17)
179 #define PSW_IMP (1<<16)
181 #define ECR_EICC 0x0000ffff
182 #define ECR_FECC 0xffff0000
186 #define FPSR (FPU_SR[6])
188 #define FPEPC (FPU_SR[7])
189 #define FPST (FPU_SR[8])
191 #define FPCC (FPU_SR[9])
192 #define FPCFG (FPU_SR[10])
193 #define FPCFG_REGNO 10
195 #define FPSR_DEM 0x00200000
196 #define FPSR_SEM 0x00100000
197 #define FPSR_RM 0x000c0000
198 #define FPSR_RN 0x00000000
199 #define FPSR_FS 0x00020000
200 #define FPSR_PR 0x00010000
202 #define FPSR_XC 0x0000fc00
203 #define FPSR_XCE 0x00008000
204 #define FPSR_XCV 0x00004000
205 #define FPSR_XCZ 0x00002000
206 #define FPSR_XCO 0x00001000
207 #define FPSR_XCU 0x00000800
208 #define FPSR_XCI 0x00000400
210 #define FPSR_XE 0x000003e0
211 #define FPSR_XEV 0x00000200
212 #define FPSR_XEZ 0x00000100
213 #define FPSR_XEO 0x00000080
214 #define FPSR_XEU 0x00000040
215 #define FPSR_XEI 0x00000020
217 #define FPSR_XP 0x0000001f
218 #define FPSR_XPV 0x00000010
219 #define FPSR_XPZ 0x00000008
220 #define FPSR_XPO 0x00000004
221 #define FPSR_XPU 0x00000002
222 #define FPSR_XPI 0x00000001
224 #define FPST_PR 0x00008000
225 #define FPST_XCE 0x00002000
226 #define FPST_XCV 0x00001000
227 #define FPST_XCZ 0x00000800
228 #define FPST_XCO 0x00000400
229 #define FPST_XCU 0x00000200
230 #define FPST_XCI 0x00000100
232 #define FPST_XPV 0x00000010
233 #define FPST_XPZ 0x00000008
234 #define FPST_XPO 0x00000004
235 #define FPST_XPU 0x00000002
236 #define FPST_XPI 0x00000001
238 #define FPCFG_RM 0x00000180
239 #define FPCFG_XEV 0x00000010
240 #define FPCFG_XEZ 0x00000008
241 #define FPCFG_XEO 0x00000004
242 #define FPCFG_XEU 0x00000002
243 #define FPCFG_XEI 0x00000001
248 #define CLEAR_FPCC(bbb)\
249 (FPSR &= ~(1 << (bbb+24)))
251 #define SET_FPCC(bbb)\
252 (FPSR |= 1 << (bbb+24))
254 #define TEST_FPCC(bbb)\
255 ((FPSR & (1 << (bbb+24))) != 0)
257 #define FPSR_GET_ROUND() \
258 (((FPSR & FPSR_RM) == FPSR_RN) ? sim_fpu_round_near \
259 : ((FPSR & FPSR_RM) == 0x00040000) ? sim_fpu_round_up \
260 : ((FPSR & FPSR_RM) == 0x00080000) ? sim_fpu_round_down \
261 : sim_fpu_round_zero)
285 #define MPM (MPU1_SR[0])
286 #define MPC (MPU1_SR[1])
288 #define TID (MPU1_SR[2])
289 #define PPA (MPU1_SR[3])
290 #define PPM (MPU1_SR[4])
291 #define PPC (MPU1_SR[5])
292 #define DCC (MPU1_SR[6])
293 #define DCV0 (MPU1_SR[7])
294 #define DCV1 (MPU1_SR[8])
295 #define SPAL (MPU1_SR[10])
296 #define SPAU (MPU1_SR[11])
297 #define IPA0L (MPU1_SR[12])
298 #define IPA0U (MPU1_SR[13])
299 #define IPA1L (MPU1_SR[14])
300 #define IPA1U (MPU1_SR[15])
301 #define IPA2L (MPU1_SR[16])
302 #define IPA2U (MPU1_SR[17])
303 #define IPA3L (MPU1_SR[18])
304 #define IPA3U (MPU1_SR[19])
305 #define DPA0L (MPU1_SR[20])
306 #define DPA0U (MPU1_SR[21])
307 #define DPA1L (MPU1_SR[22])
308 #define DPA1U (MPU1_SR[23])
309 #define DPA2L (MPU1_SR[24])
310 #define DPA2U (MPU1_SR[25])
311 #define DPA3L (MPU1_SR[26])
312 #define DPA3U (MPU1_SR[27])
316 #define SPAL_SPS 0x10
318 #define VIP (MPU0_SR[0])
319 #define VMECR (MPU0_SR[4])
320 #define VMTID (MPU0_SR[5])
321 #define VMADR (MPU0_SR[6])
322 #define VPECR (MPU0_SR[8])
323 #define VPTID (MPU0_SR[9])
324 #define VPADR (MPU0_SR[10])
325 #define VDECR (MPU0_SR[12])
326 #define VDTID (MPU0_SR[13])
331 #define VMECR_VMX 0x2
332 #define VMECR_VMR 0x4
333 #define VMECR_VMW 0x8
334 #define VMECR_VMS 0x10
335 #define VMECR_VMRMW 0x20
336 #define VMECR_VMMS 0x40
338 #define IPA2ADDR(IPA) ((IPA) & 0x1fffff80)
342 #define IPE0 (IPA0L & IPA_IPE)
343 #define IPE1 (IPA1L & IPA_IPE)
344 #define IPE2 (IPA2L & IPA_IPE)
345 #define IPE3 (IPA3L & IPA_IPE)
346 #define IPX0 (IPA0L & IPA_IPX)
347 #define IPX1 (IPA1L & IPA_IPX)
348 #define IPX2 (IPA2L & IPA_IPX)
349 #define IPX3 (IPA3L & IPA_IPX)
350 #define IPR0 (IPA0L & IPA_IPR)
351 #define IPR1 (IPA1L & IPA_IPR)
352 #define IPR2 (IPA2L & IPA_IPR)
353 #define IPR3 (IPA3L & IPA_IPR)
355 #define DPA2ADDR(DPA) ((DPA) & 0x1fffff80)
359 #define DPE0 (DPA0L & DPA_DPE)
360 #define DPE1 (DPA1L & DPA_DPE)
361 #define DPE2 (DPA2L & DPA_DPE)
362 #define DPE3 (DPA3L & DPA_DPE)
363 #define DPR0 (DPA0L & DPA_DPR)
364 #define DPR1 (DPA1L & DPA_DPR)
365 #define DPR2 (DPA2L & DPA_DPR)
366 #define DPR3 (DPA3L & DPA_DPR)
367 #define DPW0 (DPA0L & DPA_DPW)
368 #define DPW1 (DPA1L & DPA_DPW)
369 #define DPW2 (DPA2L & DPA_DPW)
370 #define DPW3 (DPA3L & DPA_DPW)
373 #define DCC_DCE1 0x10000
375 #define PPA2ADDR(PPA) ((PPA) & 0x1fffff80)
376 #define PPC_PPC 0xfffffffe
378 #define PPC_PPM 0x0000fff8
381 #define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4)
383 /* sign-extend a 4-bit number */
384 #define SEXT4(x) ((((x)&0xf)^(~0x7))+0x8)
386 /* sign-extend a 5-bit number */
387 #define SEXT5(x) ((((x)&0x1f)^(~0xf))+0x10)
389 /* sign-extend a 9-bit number */
390 #define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100)
392 /* sign-extend a 22-bit number */
393 #define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
395 /* sign extend a 40 bit number */
396 #define SEXT40(x) ((((x) & UNSIGNED64 (0xffffffffff)) \
397 ^ (~UNSIGNED64 (0x7fffffffff))) \
398 + UNSIGNED64 (0x8000000000))
400 /* sign extend a 44 bit number */
401 #define SEXT44(x) ((((x) & UNSIGNED64 (0xfffffffffff)) \
402 ^ (~ UNSIGNED64 (0x7ffffffffff))) \
403 + UNSIGNED64 (0x80000000000))
405 /* sign extend a 60 bit number */
406 #define SEXT60(x) ((((x) & UNSIGNED64 (0xfffffffffffffff)) \
407 ^ (~ UNSIGNED64 (0x7ffffffffffffff))) \
408 + UNSIGNED64 (0x800000000000000))
410 /* No sign extension */
413 #define INC_ADDR(x,i) x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
415 #define RLW(x) load_mem (x, 4)
417 /* Function declarations. */
420 sim_core_read_aligned_2 (CPU, PC, exec_map, (EA))
422 #define IMEM16_IMMED(EA,N) \
423 sim_core_read_aligned_2 (STATE_CPU (sd, 0), \
424 PC, exec_map, (EA) + (N) * 2)
426 #define load_mem(ADDR,LEN) \
427 sim_core_read_unaligned_##LEN (STATE_CPU (simulator, 0), \
428 PC, read_map, (ADDR))
430 #define store_mem(ADDR,LEN,DATA) \
431 sim_core_write_unaligned_##LEN (STATE_CPU (simulator, 0), \
432 PC, write_map, (ADDR), (DATA))
435 /* compare cccc field against PSW */
436 int condition_met (unsigned code);
439 /* Debug/tracing calls */
478 void trace_input (char *name, enum op_types type, int size);
479 void trace_output (enum op_types result);
480 void trace_result (int has_result, unsigned32 result);
482 extern int trace_num_values;
483 extern unsigned32 trace_values[];
484 extern unsigned32 trace_pc;
485 extern const char *trace_name;
486 extern int trace_module;
488 #define TRACE_BRANCH0() \
490 if (TRACE_BRANCH_P (CPU)) { \
491 trace_module = TRACE_BRANCH_IDX; \
493 trace_name = itable[MY_INDEX].name; \
494 trace_num_values = 0; \
495 trace_result (1, (nia)); \
499 #define TRACE_BRANCH1(IN1) \
501 if (TRACE_BRANCH_P (CPU)) { \
502 trace_module = TRACE_BRANCH_IDX; \
504 trace_name = itable[MY_INDEX].name; \
505 trace_values[0] = (IN1); \
506 trace_num_values = 1; \
507 trace_result (1, (nia)); \
511 #define TRACE_BRANCH2(IN1, IN2) \
513 if (TRACE_BRANCH_P (CPU)) { \
514 trace_module = TRACE_BRANCH_IDX; \
516 trace_name = itable[MY_INDEX].name; \
517 trace_values[0] = (IN1); \
518 trace_values[1] = (IN2); \
519 trace_num_values = 2; \
520 trace_result (1, (nia)); \
524 #define TRACE_BRANCH3(IN1, IN2, IN3) \
526 if (TRACE_BRANCH_P (CPU)) { \
527 trace_module = TRACE_BRANCH_IDX; \
529 trace_name = itable[MY_INDEX].name; \
530 trace_values[0] = (IN1); \
531 trace_values[1] = (IN2); \
532 trace_values[2] = (IN3); \
533 trace_num_values = 3; \
534 trace_result (1, (nia)); \
538 #define TRACE_LD(ADDR,RESULT) \
540 if (TRACE_MEMORY_P (CPU)) { \
541 trace_module = TRACE_MEMORY_IDX; \
543 trace_name = itable[MY_INDEX].name; \
544 trace_values[0] = (ADDR); \
545 trace_num_values = 1; \
546 trace_result (1, (RESULT)); \
550 #define TRACE_LD_NAME(NAME, ADDR,RESULT) \
552 if (TRACE_MEMORY_P (CPU)) { \
553 trace_module = TRACE_MEMORY_IDX; \
555 trace_name = (NAME); \
556 trace_values[0] = (ADDR); \
557 trace_num_values = 1; \
558 trace_result (1, (RESULT)); \
562 #define TRACE_ST(ADDR,RESULT) \
564 if (TRACE_MEMORY_P (CPU)) { \
565 trace_module = TRACE_MEMORY_IDX; \
567 trace_name = itable[MY_INDEX].name; \
568 trace_values[0] = (ADDR); \
569 trace_num_values = 1; \
570 trace_result (1, (RESULT)); \
574 #define TRACE_FP_INPUT_FPU1(V0) \
576 if (TRACE_FPU_P (CPU)) \
579 sim_fpu_to64 (&f0, (V0)); \
580 trace_input_fp1 (SD, CPU, TRACE_FPU_IDX, f0); \
584 #define TRACE_FP_INPUT_FPU2(V0, V1) \
586 if (TRACE_FPU_P (CPU)) \
589 sim_fpu_to64 (&f0, (V0)); \
590 sim_fpu_to64 (&f1, (V1)); \
591 trace_input_fp2 (SD, CPU, TRACE_FPU_IDX, f0, f1); \
595 #define TRACE_FP_INPUT_FPU3(V0, V1, V2) \
597 if (TRACE_FPU_P (CPU)) \
599 unsigned64 f0, f1, f2; \
600 sim_fpu_to64 (&f0, (V0)); \
601 sim_fpu_to64 (&f1, (V1)); \
602 sim_fpu_to64 (&f2, (V2)); \
603 trace_input_fp3 (SD, CPU, TRACE_FPU_IDX, f0, f1, f2); \
607 #define TRACE_FP_INPUT_BOOL1_FPU2(V0, V1, V2) \
609 if (TRACE_FPU_P (CPU)) \
613 TRACE_DATA *data = CPU_TRACE_DATA (CPU); \
614 TRACE_IDX (data) = TRACE_FPU_IDX; \
615 sim_fpu_to64 (&f1, (V1)); \
616 sim_fpu_to64 (&f2, (V2)); \
617 save_data (SD, data, trace_fmt_bool, sizeof (d0), &d0); \
618 save_data (SD, data, trace_fmt_fp, sizeof (fp_word), &f1); \
619 save_data (SD, data, trace_fmt_fp, sizeof (fp_word), &f2); \
623 #define TRACE_FP_INPUT_WORD2(V0, V1) \
625 if (TRACE_FPU_P (CPU)) \
626 trace_input_word2 (SD, CPU, TRACE_FPU_IDX, (V0), (V1)); \
629 #define TRACE_FP_RESULT_FPU1(R0) \
631 if (TRACE_FPU_P (CPU)) \
634 sim_fpu_to64 (&f0, (R0)); \
635 trace_result_fp1 (SD, CPU, TRACE_FPU_IDX, f0); \
639 #define TRACE_FP_RESULT_WORD1(R0) TRACE_FP_RESULT_WORD(R0)
641 #define TRACE_FP_RESULT_WORD2(R0, R1) \
643 if (TRACE_FPU_P (CPU)) \
644 trace_result_word2 (SD, CPU, TRACE_FPU_IDX, (R0), (R1)); \
648 #define trace_input(NAME, IN1, IN2)
649 #define trace_output(RESULT)
650 #define trace_result(HAS_RESULT, RESULT)
652 #define TRACE_ALU_INPUT0()
653 #define TRACE_ALU_INPUT1(IN0)
654 #define TRACE_ALU_INPUT2(IN0, IN1)
655 #define TRACE_ALU_INPUT2(IN0, IN1)
656 #define TRACE_ALU_INPUT2(IN0, IN1 INS2)
657 #define TRACE_ALU_RESULT(RESULT)
659 #define TRACE_BRANCH0()
660 #define TRACE_BRANCH1(IN1)
661 #define TRACE_BRANCH2(IN1, IN2)
662 #define TRACE_BRANCH2(IN1, IN2, IN3)
664 #define TRACE_LD(ADDR,RESULT)
665 #define TRACE_ST(ADDR,RESULT)
669 #define GPR_SET(N, VAL) (State.regs[(N)] = (VAL))
670 #define GPR_CLEAR(N) (State.regs[(N)] = 0)
672 extern void divun ( unsigned int N,
673 unsigned long int als,
674 unsigned long int sfi,
675 unsigned32 /*unsigned long int*/ * quotient_ptr,
676 unsigned32 /*unsigned long int*/ * remainder_ptr,
679 extern void divn ( unsigned int N,
680 unsigned long int als,
681 unsigned long int sfi,
682 signed32 /*signed long int*/ * quotient_ptr,
683 signed32 /*signed long int*/ * remainder_ptr,
686 extern int type1_regs[];
687 extern int type2_regs[];
688 extern int type3_regs[];
690 #define SESR_OV (1 << 0)
691 #define SESR_SOV (1 << 1)
693 #define SESR (State.sregs[12])
695 #define ROUND_Q62_Q31(X) ((((X) + (1 << 30)) >> 31) & 0xffffffff)
696 #define ROUND_Q62_Q15(X) ((((X) + (1 << 30)) >> 47) & 0xffff)
697 #define ROUND_Q31_Q15(X) ((((X) + (1 << 15)) >> 15) & 0xffff)
698 #define ROUND_Q30_Q15(X) ((((X) + (1 << 14)) >> 15) & 0xffff)
706 SESR |= SESR_OV | SESR_SOV; \
709 else if (z < -0x8000) \
711 SESR |= SESR_OV | SESR_SOV; \
722 if (z > 0x7fffffff) \
724 SESR |= SESR_OV | SESR_SOV; \
727 else if (z < -0x80000000) \
729 SESR |= SESR_OV | SESR_SOV; \
739 signed64 z = (X) & 0xffff; \
742 SESR |= SESR_OV | SESR_SOV; \
745 else if (z & 0x8000) \
747 z = (- z) & 0xffff; \
756 signed64 z = (X) & 0xffffffff; \
757 if (z == 0x80000000) \
759 SESR |= SESR_OV | SESR_SOV; \
762 else if (z & 0x80000000) \
764 z = (- z) & 0xffffffff; \