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-rw-r--r--target-i386/cpu.h6
-rw-r--r--target-i386/helper.h2
-rw-r--r--target-i386/machine.c17
-rw-r--r--target-i386/op_helper.c60
-rw-r--r--target-i386/translate.c8
5 files changed, 64 insertions, 29 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index d1deda7197..7faf7068a3 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -549,8 +549,8 @@ typedef struct CPUX86State {
/* sysenter registers */
uint32_t sysenter_cs;
- uint32_t sysenter_esp;
- uint32_t sysenter_eip;
+ target_ulong sysenter_esp;
+ target_ulong sysenter_eip;
uint64_t efer;
uint64_t star;
@@ -737,7 +737,7 @@ static inline int cpu_get_time_fast(void)
#define cpu_signal_handler cpu_x86_signal_handler
#define cpu_list x86_cpu_list
-#define CPU_SAVE_VERSION 6
+#define CPU_SAVE_VERSION 7
/* MMU modes definitions */
#define MMU_MODE0_SUFFIX _kernel
diff --git a/target-i386/helper.h b/target-i386/helper.h
index 14ed100d3d..ea7bd35145 100644
--- a/target-i386/helper.h
+++ b/target-i386/helper.h
@@ -55,7 +55,7 @@ DEF_HELPER(void, helper_enter_level, (int level, int data32, target_ulong t1))
DEF_HELPER(void, helper_enter64_level, (int level, int data64, target_ulong t1))
#endif
DEF_HELPER(void, helper_sysenter, (void))
-DEF_HELPER(void, helper_sysexit, (void))
+DEF_HELPER(void, helper_sysexit, (int dflag))
#ifdef TARGET_X86_64
DEF_HELPER(void, helper_syscall, (int next_eip_addend))
DEF_HELPER(void, helper_sysret, (int dflag))
diff --git a/target-i386/machine.c b/target-i386/machine.c
index 34a0d76541..71311117d0 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -88,9 +88,9 @@ void cpu_save(QEMUFile *f, void *opaque)
cpu_put_seg(f, &env->gdt);
cpu_put_seg(f, &env->idt);
- qemu_put_be32s(f, &env->sysenter_cs);
- qemu_put_be32s(f, &env->sysenter_esp);
- qemu_put_be32s(f, &env->sysenter_eip);
+ qemu_put_betls(f, &env->sysenter_cs);
+ qemu_put_betls(f, &env->sysenter_esp);
+ qemu_put_betls(f, &env->sysenter_eip);
qemu_put_betls(f, &env->cr[0]);
qemu_put_betls(f, &env->cr[2]);
@@ -169,7 +169,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
int32_t a20_mask;
if (version_id != 3 && version_id != 4 && version_id != 5
- && version_id != 6)
+ && version_id != 6 && version_id != 7)
return -EINVAL;
for(i = 0; i < CPU_NB_REGS; i++)
qemu_get_betls(f, &env->regs[i]);
@@ -244,8 +244,13 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
cpu_get_seg(f, &env->idt);
qemu_get_be32s(f, &env->sysenter_cs);
- qemu_get_be32s(f, &env->sysenter_esp);
- qemu_get_be32s(f, &env->sysenter_eip);
+ if (version_id >= 7) {
+ qemu_get_betls(f, &env->sysenter_esp);
+ qemu_get_betls(f, &env->sysenter_eip);
+ } else {
+ qemu_get_be32s(f, &env->sysenter_esp);
+ qemu_get_be32s(f, &env->sysenter_eip);
+ }
qemu_get_betls(f, &env->cr[0]);
qemu_get_betls(f, &env->cr[2]);
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index c423ca05d4..74167f4809 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -2919,11 +2919,23 @@ void helper_sysenter(void)
}
env->eflags &= ~(VM_MASK | IF_MASK | RF_MASK);
cpu_x86_set_cpl(env, 0);
- cpu_x86_load_seg_cache(env, R_CS, env->sysenter_cs & 0xfffc,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK |
- DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ cpu_x86_load_seg_cache(env, R_CS, env->sysenter_cs & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK | DESC_L_MASK);
+ } else
+#endif
+ {
+ cpu_x86_load_seg_cache(env, R_CS, env->sysenter_cs & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+ }
cpu_x86_load_seg_cache(env, R_SS, (env->sysenter_cs + 8) & 0xfffc,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
@@ -2933,7 +2945,7 @@ void helper_sysenter(void)
EIP = env->sysenter_eip;
}
-void helper_sysexit(void)
+void helper_sysexit(int dflag)
{
int cpl;
@@ -2942,16 +2954,32 @@ void helper_sysexit(void)
raise_exception_err(EXCP0D_GPF, 0);
}
cpu_x86_set_cpl(env, 3);
- cpu_x86_load_seg_cache(env, R_CS, ((env->sysenter_cs + 16) & 0xfffc) | 3,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
- DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_SS, ((env->sysenter_cs + 24) & 0xfffc) | 3,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
- DESC_W_MASK | DESC_A_MASK);
+#ifdef TARGET_X86_64
+ if (dflag == 2) {
+ cpu_x86_load_seg_cache(env, R_CS, ((env->sysenter_cs + 32) & 0xfffc) | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK | DESC_L_MASK);
+ cpu_x86_load_seg_cache(env, R_SS, ((env->sysenter_cs + 40) & 0xfffc) | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_W_MASK | DESC_A_MASK);
+ } else
+#endif
+ {
+ cpu_x86_load_seg_cache(env, R_CS, ((env->sysenter_cs + 16) & 0xfffc) | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+ cpu_x86_load_seg_cache(env, R_SS, ((env->sysenter_cs + 24) & 0xfffc) | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_W_MASK | DESC_A_MASK);
+ }
ESP = ECX;
EIP = EDX;
#ifdef USE_KQEMU
diff --git a/target-i386/translate.c b/target-i386/translate.c
index c739d690ad..cd9cae23f5 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -6505,7 +6505,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
tcg_gen_helper_0_0(helper_rdpmc);
break;
case 0x134: /* sysenter */
- if (CODE64(s))
+ /* For Intel SYSENTER is valid on 64-bit */
+ if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
goto illegal_op;
if (!s->pe) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
@@ -6520,7 +6521,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
}
break;
case 0x135: /* sysexit */
- if (CODE64(s))
+ /* For Intel SYSEXIT is valid on 64-bit */
+ if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
goto illegal_op;
if (!s->pe) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
@@ -6530,7 +6532,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
- tcg_gen_helper_0_0(helper_sysexit);
+ tcg_gen_helper_0_1(helper_sysexit, tcg_const_i32(dflag));
gen_eob(s);
}
break;
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-02 23:36:02 +0000