diff options
| -rw-r--r-- | bsd-user/main.c | 2 | ||||
| -rw-r--r-- | linux-user/main.c | 2 | ||||
| -rw-r--r-- | target-i386/gdbstub.c | 4 | ||||
| -rw-r--r-- | target-i386/seg_helper.c | 11 | ||||
| -rw-r--r-- | target-i386/smm_helper.c | 24 |
5 files changed, 31 insertions, 12 deletions
diff --git a/bsd-user/main.c b/bsd-user/main.c index 4ba61da..0e8c26c 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -1004,7 +1004,7 @@ int main(int argc, char **argv) #if defined(TARGET_I386) env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; - env->hflags |= HF_PE_MASK; + env->hflags |= HF_PE_MASK | HF_CPL_MASK; if (env->features[FEAT_1_EDX] & CPUID_SSE) { env->cr[4] |= CR4_OSFXSR_MASK; env->hflags |= HF_OSFXSR_MASK; diff --git a/linux-user/main.c b/linux-user/main.c index 882186e..3e21024 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -4052,7 +4052,7 @@ int main(int argc, char **argv, char **envp) #if defined(TARGET_I386) env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; - env->hflags |= HF_PE_MASK; + env->hflags |= HF_PE_MASK | HF_CPL_MASK; if (env->features[FEAT_1_EDX] & CPUID_SSE) { env->cr[4] |= CR4_OSFXSR_MASK; env->hflags |= HF_OSFXSR_MASK; diff --git a/target-i386/gdbstub.c b/target-i386/gdbstub.c index d34e535..19fe9ad 100644 --- a/target-i386/gdbstub.c +++ b/target-i386/gdbstub.c @@ -127,9 +127,11 @@ static int x86_cpu_gdb_load_seg(X86CPU *cpu, int sreg, uint8_t *mem_buf) target_ulong base; if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { + int dpl = (env->eflags & VM_MASK) ? 3 : 0; base = selector << 4; limit = 0xffff; - flags = 0; + flags = DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK | (dpl << DESC_DPL_SHIFT); } else { if (!cpu_x86_get_descr_debug(env, selector, &base, &limit, &flags)) { diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c index cc7eadf..6f7efee 100644 --- a/target-i386/seg_helper.c +++ b/target-i386/seg_helper.c @@ -88,8 +88,10 @@ static inline void load_seg_cache_raw_dt(SegmentCache *sc, uint32_t e1, static inline void load_seg_vm(CPUX86State *env, int seg, int selector) { selector &= 0xffff; - cpu_x86_load_seg_cache(env, seg, selector, - (selector << 4), 0xffff, 0); + + cpu_x86_load_seg_cache(env, seg, selector, (selector << 4), 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK | (3 << DESC_DPL_SHIFT)); } static inline void get_ss_esp_from_tss(CPUX86State *env, uint32_t *ss_ptr, @@ -2465,9 +2467,12 @@ void helper_verw(CPUX86State *env, target_ulong selector1) void cpu_x86_load_seg(CPUX86State *env, int seg_reg, int selector) { if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { + int dpl = (env->eflags & VM_MASK) ? 3 : 0; selector &= 0xffff; cpu_x86_load_seg_cache(env, seg_reg, selector, - (selector << 4), 0xffff, 0); + (selector << 4), 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK | (dpl << DESC_DPL_SHIFT)); } else { helper_load_seg(env, seg_reg, selector); } diff --git a/target-i386/smm_helper.c b/target-i386/smm_helper.c index 4841d53..517f3b0 100644 --- a/target-i386/smm_helper.c +++ b/target-i386/smm_helper.c @@ -171,12 +171,24 @@ void do_smm_enter(X86CPU *cpu) CC_OP = CC_OP_EFLAGS; cpu_x86_load_seg_cache(env, R_CS, (env->smbase >> 4) & 0xffff, env->smbase, - 0xffffffff, 0); - cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffffffff, 0); - cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffffffff, 0); - cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffffffff, 0); - cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffffffff, 0); - cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffffffff, 0); + 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); + cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); + cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); + cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); + cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); + cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffffffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | + DESC_A_MASK); } void helper_rsm(CPUX86State *env) |