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-rw-r--r--target-sh4/op_helper.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
deleted file mode 100644
index f02fa58..0000000
--- a/target-sh4/op_helper.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * SH4 emulation
- *
- * Copyright (c) 2005 Samuel Tardieu
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <assert.h>
-#include "exec.h"
-
-void cpu_loop_exit(void)
-{
- longjmp(env->jmp_env, 1);
-}
-
-void do_raise_exception(void)
-{
- cpu_loop_exit();
-}
-
-#ifndef CONFIG_USER_ONLY
-
-#define MMUSUFFIX _mmu
-#define GETPC() (__builtin_return_address(0))
-
-#define SHIFT 0
-#include "softmmu_template.h"
-
-#define SHIFT 1
-#include "softmmu_template.h"
-
-#define SHIFT 2
-#include "softmmu_template.h"
-
-#define SHIFT 3
-#include "softmmu_template.h"
-
-void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr)
-{
- TranslationBlock *tb;
- CPUState *saved_env;
- unsigned long pc;
- int ret;
-
- /* XXX: hack to restore env in all cases, even if not called from
- generated code */
- saved_env = env;
- env = cpu_single_env;
- ret = cpu_sh4_handle_mmu_fault(env, addr, is_write, is_user, 1);
- if (ret) {
- if (retaddr) {
- /* now we have a real cpu fault */
- pc = (unsigned long) retaddr;
- tb = tb_find_pc(pc);
- if (tb) {
- /* the PC is inside the translated code. It means that we have
- a virtual CPU fault */
- cpu_restore_state(tb, env, pc, NULL);
- }
- }
- do_raise_exception();
- }
- env = saved_env;
-}
-
-#endif
-
-void helper_addc_T0_T1(void)
-{
- uint32_t tmp0, tmp1;
-
- tmp1 = T0 + T1;
- tmp0 = T1;
- T1 = tmp1 + (env->sr & 1);
- if (tmp0 > tmp1)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- if (tmp1 > T1)
- env->sr |= SR_T;
-}
-
-void helper_addv_T0_T1(void)
-{
- uint32_t dest, src, ans;
-
- if ((int32_t) T1 >= 0)
- dest = 0;
- else
- dest = 1;
- if ((int32_t) T0 >= 0)
- src = 0;
- else
- src = 1;
- src += dest;
- T1 += T0;
- if ((int32_t) T1 >= 0)
- ans = 0;
- else
- ans = 1;
- ans += dest;
- if (src == 0 || src == 2) {
- if (ans == 1)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- } else
- env->sr &= ~SR_T;
-}
-
-#define T (env->sr & SR_T)
-#define Q (env->sr & SR_Q ? 1 : 0)
-#define M (env->sr & SR_M ? 1 : 0)
-#define SETT env->sr |= SR_T
-#define CLRT env->sr &= ~SR_T
-#define SETQ env->sr |= SR_Q
-#define CLRQ env->sr &= ~SR_Q
-#define SETM env->sr |= SR_M
-#define CLRM env->sr &= ~SR_M
-
-void helper_div1_T0_T1(void)
-{
- uint32_t tmp0, tmp2;
- uint8_t old_q, tmp1 = 0xff;
-
- //printf("div1 T0=0x%08x T1=0x%08x M=%d Q=%d T=%d\n", T0, T1, M, Q, T);
- old_q = Q;
- if ((0x80000000 & T1) != 0)
- SETQ;
- else
- CLRQ;
- tmp2 = T0;
- T1 <<= 1;
- T1 |= T;
- switch (old_q) {
- case 0:
- switch (M) {
- case 0:
- tmp0 = T1;
- T1 -= tmp2;
- tmp1 = T1 > tmp0;
- switch (Q) {
- case 0:
- if (tmp1)
- SETQ;
- else
- CLRQ;
- break;
- case 1:
- if (tmp1 == 0)
- SETQ;
- else
- CLRQ;
- break;
- }
- break;
- case 1:
- tmp0 = T1;
- T1 += tmp2;
- tmp1 = T1 < tmp0;
- switch (Q) {
- case 0:
- if (tmp1 == 0)
- SETQ;
- else
- CLRQ;
- break;
- case 1:
- if (tmp1)
- SETQ;
- else
- CLRQ;
- break;
- }
- break;
- }
- break;
- case 1:
- switch (M) {
- case 0:
- tmp0 = T1;
- T1 += tmp2;
- tmp1 = T1 < tmp0;
- switch (Q) {
- case 0:
- if (tmp1)
- SETQ;
- else
- CLRQ;
- break;
- case 1:
- if (tmp1 == 0)
- SETQ;
- else
- CLRQ;
- break;
- }
- break;
- case 1:
- tmp0 = T1;
- T1 -= tmp2;
- tmp1 = T1 > tmp0;
- switch (Q) {
- case 0:
- if (tmp1 == 0)
- SETQ;
- else
- CLRQ;
- break;
- case 1:
- if (tmp1)
- SETQ;
- else
- CLRQ;
- break;
- }
- break;
- }
- break;
- }
- if (Q == M)
- SETT;
- else
- CLRT;
- //printf("Output: T1=0x%08x M=%d Q=%d T=%d\n", T1, M, Q, T);
-}
-
-void helper_dmulsl_T0_T1()
-{
- int64_t res;
-
- res = (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
-}
-
-void helper_dmulul_T0_T1()
-{
- uint64_t res;
-
- res = (uint64_t) (uint32_t) T0 *(uint64_t) (uint32_t) T1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
-}
-
-void helper_macl_T0_T1()
-{
- int64_t res;
-
- res = ((uint64_t) env->mach << 32) | env->macl;
- res += (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
- if (env->sr & SR_S) {
- if (res < 0)
- env->mach |= 0xffff0000;
- else
- env->mach &= 0x00007fff;
- }
-}
-
-void helper_macw_T0_T1()
-{
- int64_t res;
-
- res = ((uint64_t) env->mach << 32) | env->macl;
- res += (int64_t) (int16_t) T0 *(int64_t) (int16_t) T1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
- if (env->sr & SR_S) {
- if (res < -0x80000000) {
- env->mach = 1;
- env->macl = 0x80000000;
- } else if (res > 0x000000007fffffff) {
- env->mach = 1;
- env->macl = 0x7fffffff;
- }
- }
-}
-
-void helper_negc_T0()
-{
- uint32_t temp;
-
- temp = -T0;
- T0 = temp - (env->sr & SR_T);
- if (0 < temp)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- if (temp < T0)
- env->sr |= SR_T;
-}
-
-void helper_subc_T0_T1()
-{
- uint32_t tmp0, tmp1;
-
- tmp1 = T1 - T0;
- tmp0 = T1;
- T1 = tmp1 - (env->sr & SR_T);
- if (tmp0 < tmp1)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- if (tmp1 < T1)
- env->sr |= SR_T;
-}
-
-void helper_subv_T0_T1()
-{
- int32_t dest, src, ans;
-
- if ((int32_t) T1 >= 0)
- dest = 0;
- else
- dest = 1;
- if ((int32_t) T0 >= 0)
- src = 0;
- else
- src = 1;
- src += dest;
- T1 -= T0;
- if ((int32_t) T1 >= 0)
- ans = 0;
- else
- ans = 1;
- ans += dest;
- if (src == 1) {
- if (ans == 1)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- } else
- env->sr &= ~SR_T;
-}
-
-void helper_rotcl(uint32_t * addr)
-{
- uint32_t new;
-
- new = (*addr << 1) | (env->sr & SR_T);
- if (*addr & 0x80000000)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- *addr = new;
-}
-
-void helper_rotcr(uint32_t * addr)
-{
- uint32_t new;
-
- new = (*addr >> 1) | ((env->sr & SR_T) ? 0x80000000 : 0);
- if (*addr & 1)
- env->sr |= SR_T;
- else
- env->sr &= ~SR_T;
- *addr = new;
-}
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