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i386: implement MSR_SMI_COUNT for TCG

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This is trivial, so just do it.

Backports commit 1d3db6bdbb0b541744cc9e008371ec7a37986d8a from qemu
This commit is contained in:
Paolo Bonzini 2018-08-02 21:27:07 -04:00 committed by Lioncash
parent c5278e71ad
commit 904a442f62
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GPG Key ID: 4E3C3CC1031BA9C7
2 changed files with 4 additions and 0 deletions
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3
qemu/target/i386/misc_helper.c
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@ -446,6 +446,9 @@ void helper_rdmsr(CPUX86State *env)
val = env->tsc_aux;
break;
#endif
case MSR_SMI_COUNT:
val = env->msr_smi_count;
break;
case MSR_MTRRphysBase(0):
case MSR_MTRRphysBase(1):
case MSR_MTRRphysBase(2):

1
qemu/target/i386/smm_helper.c
View File

@ -53,6 +53,7 @@ void do_smm_enter(X86CPU *cpu)
qemu_log_mask(CPU_LOG_INT, "SMM: enter\n");
log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);
env->msr_smi_count++;
env->hflags |= HF_SMM_MASK;
if (env->hflags2 & HF2_NMI_MASK) {
env->hflags2 |= HF2_SMM_INSIDE_NMI_MASK;