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-rw-r--r--target-i386/mem_helper.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/target-i386/mem_helper.c b/target-i386/mem_helper.c
deleted file mode 100644
index 70f67668ab..0000000000
--- a/target-i386/mem_helper.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * x86 memory access helpers
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * 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/exec-all.h"
-#include "exec/cpu_ldst.h"
-#include "qemu/int128.h"
-#include "tcg.h"
-
-void helper_cmpxchg8b_unlocked(CPUX86State *env, target_ulong a0)
-{
- uintptr_t ra = GETPC();
- uint64_t oldv, cmpv, newv;
- int eflags;
-
- eflags = cpu_cc_compute_all(env, CC_OP);
-
- cmpv = deposit64(env->regs[R_EAX], 32, 32, env->regs[R_EDX]);
- newv = deposit64(env->regs[R_EBX], 32, 32, env->regs[R_ECX]);
-
- oldv = cpu_ldq_data_ra(env, a0, ra);
- newv = (cmpv == oldv ? newv : oldv);
- /* always do the store */
- cpu_stq_data_ra(env, a0, newv, ra);
-
- if (oldv == cmpv) {
- eflags |= CC_Z;
- } else {
- env->regs[R_EAX] = (uint32_t)oldv;
- env->regs[R_EDX] = (uint32_t)(oldv >> 32);
- eflags &= ~CC_Z;
- }
- CC_SRC = eflags;
-}
-
-void helper_cmpxchg8b(CPUX86State *env, target_ulong a0)
-{
-#ifdef CONFIG_ATOMIC64
- uint64_t oldv, cmpv, newv;
- int eflags;
-
- eflags = cpu_cc_compute_all(env, CC_OP);
-
- cmpv = deposit64(env->regs[R_EAX], 32, 32, env->regs[R_EDX]);
- newv = deposit64(env->regs[R_EBX], 32, 32, env->regs[R_ECX]);
-
-#ifdef CONFIG_USER_ONLY
- {
- uint64_t *haddr = g2h(a0);
- cmpv = cpu_to_le64(cmpv);
- newv = cpu_to_le64(newv);
- oldv = atomic_cmpxchg__nocheck(haddr, cmpv, newv);
- oldv = le64_to_cpu(oldv);
- }
-#else
- {
- uintptr_t ra = GETPC();
- int mem_idx = cpu_mmu_index(env, false);
- TCGMemOpIdx oi = make_memop_idx(MO_TEQ, mem_idx);
- oldv = helper_atomic_cmpxchgq_le_mmu(env, a0, cmpv, newv, oi, ra);
- }
-#endif
-
- if (oldv == cmpv) {
- eflags |= CC_Z;
- } else {
- env->regs[R_EAX] = (uint32_t)oldv;
- env->regs[R_EDX] = (uint32_t)(oldv >> 32);
- eflags &= ~CC_Z;
- }
- CC_SRC = eflags;
-#else
- cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
-#endif /* CONFIG_ATOMIC64 */
-}
-
-#ifdef TARGET_X86_64
-void helper_cmpxchg16b_unlocked(CPUX86State *env, target_ulong a0)
-{
- uintptr_t ra = GETPC();
- Int128 oldv, cmpv, newv;
- uint64_t o0, o1;
- int eflags;
- bool success;
-
- if ((a0 & 0xf) != 0) {
- raise_exception_ra(env, EXCP0D_GPF, GETPC());
- }
- eflags = cpu_cc_compute_all(env, CC_OP);
-
- cmpv = int128_make128(env->regs[R_EAX], env->regs[R_EDX]);
- newv = int128_make128(env->regs[R_EBX], env->regs[R_ECX]);
-
- o0 = cpu_ldq_data_ra(env, a0 + 0, ra);
- o1 = cpu_ldq_data_ra(env, a0 + 8, ra);
-
- oldv = int128_make128(o0, o1);
- success = int128_eq(oldv, cmpv);
- if (!success) {
- newv = oldv;
- }
-
- cpu_stq_data_ra(env, a0 + 0, int128_getlo(newv), ra);
- cpu_stq_data_ra(env, a0 + 8, int128_gethi(newv), ra);
-
- if (success) {
- eflags |= CC_Z;
- } else {
- env->regs[R_EAX] = int128_getlo(oldv);
- env->regs[R_EDX] = int128_gethi(oldv);
- eflags &= ~CC_Z;
- }
- CC_SRC = eflags;
-}
-
-void helper_cmpxchg16b(CPUX86State *env, target_ulong a0)
-{
- uintptr_t ra = GETPC();
-
- if ((a0 & 0xf) != 0) {
- raise_exception_ra(env, EXCP0D_GPF, ra);
- } else {
-#ifndef CONFIG_ATOMIC128
- cpu_loop_exit_atomic(ENV_GET_CPU(env), ra);
-#else
- int eflags = cpu_cc_compute_all(env, CC_OP);
-
- Int128 cmpv = int128_make128(env->regs[R_EAX], env->regs[R_EDX]);
- Int128 newv = int128_make128(env->regs[R_EBX], env->regs[R_ECX]);
-
- int mem_idx = cpu_mmu_index(env, false);
- TCGMemOpIdx oi = make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx);
- Int128 oldv = helper_atomic_cmpxchgo_le_mmu(env, a0, cmpv,
- newv, oi, ra);
-
- if (int128_eq(oldv, cmpv)) {
- eflags |= CC_Z;
- } else {
- env->regs[R_EAX] = int128_getlo(oldv);
- env->regs[R_EDX] = int128_gethi(oldv);
- eflags &= ~CC_Z;
- }
- CC_SRC = eflags;
-#endif
- }
-}
-#endif
-
-void helper_boundw(CPUX86State *env, target_ulong a0, int v)
-{
- int low, high;
-
- low = cpu_ldsw_data_ra(env, a0, GETPC());
- high = cpu_ldsw_data_ra(env, a0 + 2, GETPC());
- v = (int16_t)v;
- if (v < low || v > high) {
- if (env->hflags & HF_MPX_EN_MASK) {
- env->bndcs_regs.sts = 0;
- }
- raise_exception_ra(env, EXCP05_BOUND, GETPC());
- }
-}
-
-void helper_boundl(CPUX86State *env, target_ulong a0, int v)
-{
- int low, high;
-
- low = cpu_ldl_data_ra(env, a0, GETPC());
- high = cpu_ldl_data_ra(env, a0 + 4, GETPC());
- if (v < low || v > high) {
- if (env->hflags & HF_MPX_EN_MASK) {
- env->bndcs_regs.sts = 0;
- }
- raise_exception_ra(env, EXCP05_BOUND, GETPC());
- }
-}
-
-#if !defined(CONFIG_USER_ONLY)
-/* try to fill the TLB and return an exception if error. If retaddr is
- * NULL, it means that the function was called in C code (i.e. not
- * from generated code or from helper.c)
- */
-/* XXX: fix it to restore all registers */
-void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type,
- int mmu_idx, uintptr_t retaddr)
-{
- int ret;
-
- ret = x86_cpu_handle_mmu_fault(cs, addr, access_type, mmu_idx);
- if (ret) {
- X86CPU *cpu = X86_CPU(cs);
- CPUX86State *env = &cpu->env;
-
- raise_exception_err_ra(env, cs->exception_index, env->error_code, retaddr);
- }
-}
-#endif
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