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Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/cpu.h9
-rw-r--r--target-i386/helper.h1
-rw-r--r--target-i386/op_helper.c5
-rw-r--r--target-i386/translate.c6
4 files changed, 17 insertions, 4 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index eaa623ca58..d7b32d4313 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -145,11 +145,12 @@
#define HF_IOPL_SHIFT 12 /* must be same as eflags */
#define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */
#define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */
-#define HF_OSFXSR_SHIFT 16 /* CR4.OSFXSR */
+#define HF_RF_SHIFT 16 /* must be same as eflags */
#define HF_VM_SHIFT 17 /* must be same as eflags */
#define HF_SMM_SHIFT 19 /* CPU in SMM mode */
#define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */
#define HF_SVMI_SHIFT 21 /* SVM intercepts are active */
+#define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */
#define HF_CPL_MASK (3 << HF_CPL_SHIFT)
#define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT)
@@ -165,11 +166,12 @@
#define HF_IOPL_MASK (3 << HF_IOPL_SHIFT)
#define HF_LMA_MASK (1 << HF_LMA_SHIFT)
#define HF_CS64_MASK (1 << HF_CS64_SHIFT)
-#define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
+#define HF_RF_MASK (1 << HF_RF_SHIFT)
#define HF_VM_MASK (1 << HF_VM_SHIFT)
#define HF_SMM_MASK (1 << HF_SMM_SHIFT)
#define HF_SVME_MASK (1 << HF_SVME_SHIFT)
#define HF_SVMI_MASK (1 << HF_SVMI_SHIFT)
+#define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
/* hflags2 */
@@ -881,7 +883,8 @@ static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
{
*cs_base = env->segs[R_CS].base;
*pc = *cs_base + env->eip;
- *flags = env->hflags | (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK));
+ *flags = env->hflags |
+ (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK));
}
#endif /* CPU_I386_H */
diff --git a/target-i386/helper.h b/target-i386/helper.h
index 0c367837d5..68d57b130a 100644
--- a/target-i386/helper.h
+++ b/target-i386/helper.h
@@ -62,6 +62,7 @@ DEF_HELPER_1(hlt, void, int)
DEF_HELPER_1(monitor, void, tl)
DEF_HELPER_1(mwait, void, int)
DEF_HELPER_0(debug, void)
+DEF_HELPER_0(reset_rf, void)
DEF_HELPER_2(raise_interrupt, void, int, int)
DEF_HELPER_1(raise_exception, void, int)
DEF_HELPER_0(cli, void)
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index f4cea083eb..bd1769c528 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -4688,6 +4688,11 @@ void helper_debug(void)
cpu_loop_exit();
}
+void helper_reset_rf(void)
+{
+ env->eflags &= ~RF_MASK;
+}
+
void helper_raise_interrupt(int intno, int next_eip_addend)
{
raise_interrupt(intno, 1, 0, next_eip_addend);
diff --git a/target-i386/translate.c b/target-i386/translate.c
index d45e9fe730..4726009375 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -2704,6 +2704,9 @@ static void gen_eob(DisasContext *s)
if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
gen_helper_reset_inhibit_irq();
}
+ if (s->tb->flags & HF_RF_MASK) {
+ gen_helper_reset_rf();
+ }
if (s->singlestep_enabled) {
gen_helper_debug();
} else if (s->tf) {
@@ -7687,7 +7690,8 @@ static inline void gen_intermediate_code_internal(CPUState *env,
for(;;) {
if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) {
TAILQ_FOREACH(bp, &env->breakpoints, entry) {
- if (bp->pc == pc_ptr) {
+ if (bp->pc == pc_ptr &&
+ !((bp->flags & BP_CPU) && (tb->flags & HF_RF_MASK))) {
gen_debug(dc, pc_ptr - dc->cs_base);
break;
}