diff options
| author | Jan Kiszka <jan.kiszka@web.de> | 2009-05-10 22:30:53 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-05-22 10:50:37 -0500 |
| commit | a23978077ba006c8afdd842a448d5ac7106827ff (patch) | |
| tree | f535e1e5be7d94f50ed623ce64a38213ad3f5a65 /target-i386 | |
| parent | 37cb6fc37b21671a2e4fb9aad9ac3c3d8f92769b (diff) | |
x86: Add support for resume flag
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/cpu.h | 9 | ||||
| -rw-r--r-- | target-i386/helper.h | 1 | ||||
| -rw-r--r-- | target-i386/op_helper.c | 5 | ||||
| -rw-r--r-- | target-i386/translate.c | 6 |
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; } |