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-rw-r--r--qemu/target-sh4/op_helper.c496
1 files changed, 0 insertions, 496 deletions
diff --git a/qemu/target-sh4/op_helper.c b/qemu/target-sh4/op_helper.c
deleted file mode 100644
index 368e687d6..000000000
--- a/qemu/target-sh4/op_helper.c
+++ /dev/null
@@ -1,496 +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, see <http://www.gnu.org/licenses/>.
- */
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "exec/cpu_ldst.h"
-
-#ifndef CONFIG_USER_ONLY
-
-void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
- uintptr_t retaddr)
-{
- int ret;
-
- ret = superh_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
- if (ret) {
- /* now we have a real cpu fault */
- if (retaddr) {
- cpu_restore_state(cs, retaddr);
- }
- cpu_loop_exit(cs);
- }
-}
-
-#endif
-
-void helper_ldtlb(CPUSH4State *env)
-{
-#ifdef CONFIG_USER_ONLY
- SuperHCPU *cpu = sh_env_get_cpu(env);
-
- /* XXXXX */
- cpu_abort(CPU(cpu), "Unhandled ldtlb");
-#else
- cpu_load_tlb(env);
-#endif
-}
-
-static inline void QEMU_NORETURN raise_exception(CPUSH4State *env, int index,
- uintptr_t retaddr)
-{
- CPUState *cs = CPU(sh_env_get_cpu(env));
-
- cs->exception_index = index;
- if (retaddr) {
- cpu_restore_state(cs, retaddr);
- }
- cpu_loop_exit(cs);
-}
-
-void helper_raise_illegal_instruction(CPUSH4State *env)
-{
- raise_exception(env, 0x180, 0);
-}
-
-void helper_raise_slot_illegal_instruction(CPUSH4State *env)
-{
- raise_exception(env, 0x1a0, 0);
-}
-
-void helper_raise_fpu_disable(CPUSH4State *env)
-{
- raise_exception(env, 0x800, 0);
-}
-
-void helper_raise_slot_fpu_disable(CPUSH4State *env)
-{
- raise_exception(env, 0x820, 0);
-}
-
-void helper_debug(CPUSH4State *env)
-{
- raise_exception(env, EXCP_DEBUG, 0);
-}
-
-void helper_sleep(CPUSH4State *env)
-{
- CPUState *cs = CPU(sh_env_get_cpu(env));
-
- cs->halted = 1;
- env->in_sleep = 1;
- raise_exception(env, EXCP_HLT, 0);
-}
-
-void helper_trapa(CPUSH4State *env, uint32_t tra)
-{
- env->tra = tra << 2;
- raise_exception(env, 0x160, 0);
-}
-
-void helper_movcal(CPUSH4State *env, uint32_t address, uint32_t value)
-{
- if (cpu_sh4_is_cached (env, address))
- {
- memory_content *r = malloc (sizeof(memory_content));
- r->address = address;
- r->value = value;
- r->next = NULL;
-
- *(env->movcal_backup_tail) = r;
- env->movcal_backup_tail = &(r->next);
- }
-}
-
-void helper_discard_movcal_backup(CPUSH4State *env)
-{
- memory_content *current = env->movcal_backup;
-
- while(current)
- {
- memory_content *next = current->next;
- free (current);
- env->movcal_backup = current = next;
- if (current == NULL)
- env->movcal_backup_tail = &(env->movcal_backup);
- }
-}
-
-void helper_ocbi(CPUSH4State *env, uint32_t address)
-{
- memory_content **current = &(env->movcal_backup);
- while (*current)
- {
- uint32_t a = (*current)->address;
- if ((a & ~0x1F) == (address & ~0x1F))
- {
- memory_content *next = (*current)->next;
- cpu_stl_data(env, a, (*current)->value);
-
- if (next == NULL)
- {
- env->movcal_backup_tail = current;
- }
-
- free (*current);
- *current = next;
- break;
- }
- }
-}
-
-void helper_macl(CPUSH4State *env, uint32_t arg0, uint32_t arg1)
-{
- int64_t res;
-
- res = ((uint64_t) env->mach << 32) | env->macl;
- res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
- if (env->sr & (1u << SR_S)) {
- if (res < 0)
- env->mach |= 0xffff0000;
- else
- env->mach &= 0x00007fff;
- }
-}
-
-void helper_macw(CPUSH4State *env, uint32_t arg0, uint32_t arg1)
-{
- int64_t res;
-
- res = ((uint64_t) env->mach << 32) | env->macl;
- res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1;
- env->mach = (res >> 32) & 0xffffffff;
- env->macl = res & 0xffffffff;
- if (env->sr & (1u << SR_S)) {
- if (res < -0x80000000) {
- env->mach = 1;
- env->macl = 0x80000000;
- } else if (res > 0x000000007fffffff) {
- env->mach = 1;
- env->macl = 0x7fffffff;
- }
- }
-}
-
-void helper_ld_fpscr(CPUSH4State *env, uint32_t val)
-{
- env->fpscr = val & FPSCR_MASK;
- if ((val & FPSCR_RM_MASK) == FPSCR_RM_ZERO) {
- set_float_rounding_mode(float_round_to_zero, &env->fp_status);
- } else {
- set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
- }
- set_flush_to_zero((val & FPSCR_DN) != 0, &env->fp_status);
-}
-
-static void update_fpscr(CPUSH4State *env, uintptr_t retaddr)
-{
- int xcpt, cause, enable;
-
- xcpt = get_float_exception_flags(&env->fp_status);
-
- /* Clear the flag entries */
- env->fpscr &= ~FPSCR_FLAG_MASK;
-
- if (unlikely(xcpt)) {
- if (xcpt & float_flag_invalid) {
- env->fpscr |= FPSCR_FLAG_V;
- }
- if (xcpt & float_flag_divbyzero) {
- env->fpscr |= FPSCR_FLAG_Z;
- }
- if (xcpt & float_flag_overflow) {
- env->fpscr |= FPSCR_FLAG_O;
- }
- if (xcpt & float_flag_underflow) {
- env->fpscr |= FPSCR_FLAG_U;
- }
- if (xcpt & float_flag_inexact) {
- env->fpscr |= FPSCR_FLAG_I;
- }
-
- /* Accumulate in cause entries */
- env->fpscr |= (env->fpscr & FPSCR_FLAG_MASK)
- << (FPSCR_CAUSE_SHIFT - FPSCR_FLAG_SHIFT);
-
- /* Generate an exception if enabled */
- cause = (env->fpscr & FPSCR_CAUSE_MASK) >> FPSCR_CAUSE_SHIFT;
- enable = (env->fpscr & FPSCR_ENABLE_MASK) >> FPSCR_ENABLE_SHIFT;
- if (cause & enable) {
- raise_exception(env, 0x120, retaddr);
- }
- }
-}
-
-float32 helper_fabs_FT(float32 t0)
-{
- return float32_abs(t0);
-}
-
-float64 helper_fabs_DT(float64 t0)
-{
- return float64_abs(t0);
-}
-
-float32 helper_fadd_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_add(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float64 helper_fadd_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float64_add(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-void helper_fcmp_eq_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- int relation;
-
- set_float_exception_flags(0, &env->fp_status);
- relation = float32_compare(t0, t1, &env->fp_status);
- if (unlikely(relation == float_relation_unordered)) {
- update_fpscr(env, GETPC());
- } else {
- env->sr_t = (relation == float_relation_equal);
- }
-}
-
-void helper_fcmp_eq_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- int relation;
-
- set_float_exception_flags(0, &env->fp_status);
- relation = float64_compare(t0, t1, &env->fp_status);
- if (unlikely(relation == float_relation_unordered)) {
- update_fpscr(env, GETPC());
- } else {
- env->sr_t = (relation == float_relation_equal);
- }
-}
-
-void helper_fcmp_gt_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- int relation;
-
- set_float_exception_flags(0, &env->fp_status);
- relation = float32_compare(t0, t1, &env->fp_status);
- if (unlikely(relation == float_relation_unordered)) {
- update_fpscr(env, GETPC());
- } else {
- env->sr_t = (relation == float_relation_greater);
- }
-}
-
-void helper_fcmp_gt_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- int relation;
-
- set_float_exception_flags(0, &env->fp_status);
- relation = float64_compare(t0, t1, &env->fp_status);
- if (unlikely(relation == float_relation_unordered)) {
- update_fpscr(env, GETPC());
- } else {
- env->sr_t = (relation == float_relation_greater);
- }
-}
-
-float64 helper_fcnvsd_FT_DT(CPUSH4State *env, float32 t0)
-{
- float64 ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = float32_to_float64(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-float32 helper_fcnvds_DT_FT(CPUSH4State *env, float64 t0)
-{
- float32 ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = float64_to_float32(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-float32 helper_fdiv_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_div(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float64 helper_fdiv_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float64_div(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float32 helper_float_FT(CPUSH4State *env, uint32_t t0)
-{
- float32 ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = int32_to_float32(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-float64 helper_float_DT(CPUSH4State *env, uint32_t t0)
-{
- float64 ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = int32_to_float64(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-float32 helper_fmac_FT(CPUSH4State *env, float32 t0, float32 t1, float32 t2)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_muladd(t0, t1, t2, 0, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float32 helper_fmul_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_mul(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float64 helper_fmul_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float64_mul(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float32 helper_fneg_T(float32 t0)
-{
- return float32_chs(t0);
-}
-
-float32 helper_fsqrt_FT(CPUSH4State *env, float32 t0)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_sqrt(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float64 helper_fsqrt_DT(CPUSH4State *env, float64 t0)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float64_sqrt(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float32 helper_fsub_FT(CPUSH4State *env, float32 t0, float32 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float32_sub(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-float64 helper_fsub_DT(CPUSH4State *env, float64 t0, float64 t1)
-{
- set_float_exception_flags(0, &env->fp_status);
- t0 = float64_sub(t0, t1, &env->fp_status);
- update_fpscr(env, GETPC());
- return t0;
-}
-
-uint32_t helper_ftrc_FT(CPUSH4State *env, float32 t0)
-{
- uint32_t ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = float32_to_int32_round_to_zero(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-uint32_t helper_ftrc_DT(CPUSH4State *env, float64 t0)
-{
- uint32_t ret;
- set_float_exception_flags(0, &env->fp_status);
- ret = float64_to_int32_round_to_zero(t0, &env->fp_status);
- update_fpscr(env, GETPC());
- return ret;
-}
-
-void helper_fipr(CPUSH4State *env, uint32_t m, uint32_t n)
-{
- int bank, i;
- float32 r, p;
-
- bank = (env->sr & FPSCR_FR) ? 16 : 0;
- r = float32_zero;
- set_float_exception_flags(0, &env->fp_status);
-
- for (i = 0 ; i < 4 ; i++) {
- p = float32_mul(env->fregs[bank + m + i],
- env->fregs[bank + n + i],
- &env->fp_status);
- r = float32_add(r, p, &env->fp_status);
- }
- update_fpscr(env, GETPC());
-
- env->fregs[bank + n + 3] = r;
-}
-
-void helper_ftrv(CPUSH4State *env, uint32_t n)
-{
- int bank_matrix, bank_vector;
- int i, j;
- float32 r[4];
- float32 p;
-
- bank_matrix = (env->sr & FPSCR_FR) ? 0 : 16;
- bank_vector = (env->sr & FPSCR_FR) ? 16 : 0;
- set_float_exception_flags(0, &env->fp_status);
- for (i = 0 ; i < 4 ; i++) {
- r[i] = float32_zero;
- for (j = 0 ; j < 4 ; j++) {
- p = float32_mul(env->fregs[bank_matrix + 4 * j + i],
- env->fregs[bank_vector + j],
- &env->fp_status);
- r[i] = float32_add(r[i], p, &env->fp_status);
- }
- }
- update_fpscr(env, GETPC());
-
- for (i = 0 ; i < 4 ; i++) {
- env->fregs[bank_vector + i] = r[i];
- }
-}