diff options
Diffstat (limited to 'target/i386/svm_helper.c')
| -rw-r--r-- | target/i386/svm_helper.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/i386/svm_helper.c b/target/i386/svm_helper.c index f245aec310..342ece082f 100644 --- a/target/i386/svm_helper.c +++ b/target/i386/svm_helper.c @@ -124,6 +124,7 @@ void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend) { CPUState *cs = CPU(x86_env_get_cpu(env)); target_ulong addr; + uint64_t nested_ctl; uint32_t event_inj; uint32_t int_ctl; @@ -206,6 +207,26 @@ void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend) control.intercept_exceptions )); + nested_ctl = x86_ldq_phys(cs, env->vm_vmcb + offsetof(struct vmcb, + control.nested_ctl)); + if (nested_ctl & SVM_NPT_ENABLED) { + env->nested_cr3 = x86_ldq_phys(cs, + env->vm_vmcb + offsetof(struct vmcb, + control.nested_cr3)); + env->hflags2 |= HF2_NPT_MASK; + + env->nested_pg_mode = 0; + if (env->cr[4] & CR4_PAE_MASK) { + env->nested_pg_mode |= SVM_NPT_PAE; + } + if (env->hflags & HF_LMA_MASK) { + env->nested_pg_mode |= SVM_NPT_LMA; + } + if (env->efer & MSR_EFER_NXE) { + env->nested_pg_mode |= SVM_NPT_NXE; + } + } + /* enable intercepts */ env->hflags |= HF_SVMI_MASK; @@ -616,6 +637,7 @@ void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1) x86_stl_phys(cs, env->vm_vmcb + offsetof(struct vmcb, control.int_state), 0); } + env->hflags2 &= ~HF2_NPT_MASK; /* Save the VM state in the vmcb */ svm_save_seg(env, env->vm_vmcb + offsetof(struct vmcb, save.es), |