4 * Copyright (c) 2005 Samuel Tardieu
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #ifndef CONFIG_USER_ONLY
26 #define MMUSUFFIX _mmu
29 #include "softmmu_template.h"
32 #include "softmmu_template.h"
35 #include "softmmu_template.h"
38 #include "softmmu_template.h"
40 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
47 /* XXX: hack to restore env in all cases, even if not called from
51 ret = cpu_sh4_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
54 /* now we have a real cpu fault */
55 pc = (unsigned long) retaddr;
58 /* the PC is inside the translated code. It means that we have
59 a virtual CPU fault */
60 cpu_restore_state(tb, env, pc, NULL);
70 void helper_ldtlb(void)
72 #ifdef CONFIG_USER_ONLY
80 void helper_raise_illegal_instruction(void)
82 env->exception_index = 0x180;
86 void helper_raise_slot_illegal_instruction(void)
88 env->exception_index = 0x1a0;
92 void helper_raise_fpu_disable(void)
94 env->exception_index = 0x800;
98 void helper_raise_slot_fpu_disable(void)
100 env->exception_index = 0x820;
104 void helper_debug(void)
106 env->exception_index = EXCP_DEBUG;
110 void helper_sleep(uint32_t next_pc)
113 env->exception_index = EXCP_HLT;
118 void helper_trapa(uint32_t tra)
121 env->exception_index = 0x160;
125 uint32_t helper_addc(uint32_t arg0, uint32_t arg1)
131 arg1 = tmp1 + (env->sr & 1);
141 uint32_t helper_addv(uint32_t arg0, uint32_t arg1)
143 uint32_t dest, src, ans;
145 if ((int32_t) arg1 >= 0)
149 if ((int32_t) arg0 >= 0)
155 if ((int32_t) arg1 >= 0)
160 if (src == 0 || src == 2) {
170 #define T (env->sr & SR_T)
171 #define Q (env->sr & SR_Q ? 1 : 0)
172 #define M (env->sr & SR_M ? 1 : 0)
173 #define SETT env->sr |= SR_T
174 #define CLRT env->sr &= ~SR_T
175 #define SETQ env->sr |= SR_Q
176 #define CLRQ env->sr &= ~SR_Q
177 #define SETM env->sr |= SR_M
178 #define CLRM env->sr &= ~SR_M
180 uint32_t helper_div1(uint32_t arg0, uint32_t arg1)
183 uint8_t old_q, tmp1 = 0xff;
185 //printf("div1 arg0=0x%08x arg1=0x%08x M=%d Q=%d T=%d\n", arg0, arg1, M, Q, T);
187 if ((0x80000000 & arg1) != 0)
284 //printf("Output: arg1=0x%08x M=%d Q=%d T=%d\n", arg1, M, Q, T);
288 void helper_macl(uint32_t arg0, uint32_t arg1)
292 res = ((uint64_t) env->mach << 32) | env->macl;
293 res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1;
294 env->mach = (res >> 32) & 0xffffffff;
295 env->macl = res & 0xffffffff;
296 if (env->sr & SR_S) {
298 env->mach |= 0xffff0000;
300 env->mach &= 0x00007fff;
304 void helper_macw(uint32_t arg0, uint32_t arg1)
308 res = ((uint64_t) env->mach << 32) | env->macl;
309 res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1;
310 env->mach = (res >> 32) & 0xffffffff;
311 env->macl = res & 0xffffffff;
312 if (env->sr & SR_S) {
313 if (res < -0x80000000) {
315 env->macl = 0x80000000;
316 } else if (res > 0x000000007fffffff) {
318 env->macl = 0x7fffffff;
323 uint32_t helper_negc(uint32_t arg)
328 arg = temp - (env->sr & SR_T);
338 uint32_t helper_subc(uint32_t arg0, uint32_t arg1)
344 arg1 = tmp1 - (env->sr & SR_T);
354 uint32_t helper_subv(uint32_t arg0, uint32_t arg1)
356 int32_t dest, src, ans;
358 if ((int32_t) arg1 >= 0)
362 if ((int32_t) arg0 >= 0)
368 if ((int32_t) arg1 >= 0)
383 static inline void set_t(void)
388 static inline void clr_t(void)
393 void helper_ld_fpscr(uint32_t val)
395 env->fpscr = val & 0x003fffff;
397 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
399 set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
402 uint32_t helper_fabs_FT(uint32_t t0)
406 f.f = float32_abs(f.f);
410 uint64_t helper_fabs_DT(uint64_t t0)
414 d.d = float64_abs(d.d);
418 uint32_t helper_fadd_FT(uint32_t t0, uint32_t t1)
423 f0.f = float32_add(f0.f, f1.f, &env->fp_status);
427 uint64_t helper_fadd_DT(uint64_t t0, uint64_t t1)
432 d0.d = float64_add(d0.d, d1.d, &env->fp_status);
436 void helper_fcmp_eq_FT(uint32_t t0, uint32_t t1)
442 if (float32_compare(f0.f, f1.f, &env->fp_status) == 0)
448 void helper_fcmp_eq_DT(uint64_t t0, uint64_t t1)
454 if (float64_compare(d0.d, d1.d, &env->fp_status) == 0)
460 void helper_fcmp_gt_FT(uint32_t t0, uint32_t t1)
466 if (float32_compare(f0.f, f1.f, &env->fp_status) == 1)
472 void helper_fcmp_gt_DT(uint64_t t0, uint64_t t1)
478 if (float64_compare(d0.d, d1.d, &env->fp_status) == 1)
484 uint64_t helper_fcnvsd_FT_DT(uint32_t t0)
489 d.d = float32_to_float64(f.f, &env->fp_status);
493 uint32_t helper_fcnvds_DT_FT(uint64_t t0)
498 f.f = float64_to_float32(d.d, &env->fp_status);
502 uint32_t helper_fdiv_FT(uint32_t t0, uint32_t t1)
507 f0.f = float32_div(f0.f, f1.f, &env->fp_status);
511 uint64_t helper_fdiv_DT(uint64_t t0, uint64_t t1)
516 d0.d = float64_div(d0.d, d1.d, &env->fp_status);
520 uint32_t helper_float_FT(uint32_t t0)
523 f.f = int32_to_float32(t0, &env->fp_status);
527 uint64_t helper_float_DT(uint32_t t0)
530 d.d = int32_to_float64(t0, &env->fp_status);
534 uint32_t helper_fmul_FT(uint32_t t0, uint32_t t1)
539 f0.f = float32_mul(f0.f, f1.f, &env->fp_status);
543 uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
548 d0.d = float64_mul(d0.d, d1.d, &env->fp_status);
552 uint32_t helper_fneg_T(uint32_t t0)
556 f.f = float32_chs(f.f);
560 uint32_t helper_fsqrt_FT(uint32_t t0)
564 f.f = float32_sqrt(f.f, &env->fp_status);
568 uint64_t helper_fsqrt_DT(uint64_t t0)
572 d.d = float64_sqrt(d.d, &env->fp_status);
576 uint32_t helper_fsub_FT(uint32_t t0, uint32_t t1)
581 f0.f = float32_sub(f0.f, f1.f, &env->fp_status);
585 uint64_t helper_fsub_DT(uint64_t t0, uint64_t t1)
590 d0.d = float64_sub(d0.d, d1.d, &env->fp_status);
594 uint32_t helper_ftrc_FT(uint32_t t0)
598 return float32_to_int32_round_to_zero(f.f, &env->fp_status);
601 uint32_t helper_ftrc_DT(uint64_t t0)
605 return float64_to_int32_round_to_zero(d.d, &env->fp_status);