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hv: vmsr: enable msr ia32_misc_enable emulation

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Add MSR_IA32_MISC_ENABLE to emulated_guest_msrs to enable the emulation.
Init MSR_IA32_MISC_ENABLE for guest.

Tracked-On: #2834
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Binbin Wu 2019-04-30 10:27:11 +08:00 committed by Eddie Dong
parent 8e310e6ea1
commit a581f50600
3 changed files with 5 additions and 1 deletions
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3
hypervisor/arch/x86/guest/vmcs.c
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@ -92,6 +92,9 @@ static void init_guest_vmx(struct acrn_vcpu *vcpu, uint64_t cr0, uint64_t cr3,
load_segment(ectx->tr, VMX_GUEST_TR);
load_segment(ectx->ldtr, VMX_GUEST_LDTR);
/* init guest ia32_misc_enable value for guest read */
vcpu_set_guest_msr(vcpu, MSR_IA32_MISC_ENABLE, msr_read(MSR_IA32_MISC_ENABLE));
/* fixed values */
exec_vmwrite32(VMX_GUEST_IA32_SYSENTER_CS, 0U);
exec_vmwrite(VMX_GUEST_IA32_SYSENTER_ESP, 0UL);

1
hypervisor/arch/x86/guest/vmsr.c
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@ -48,6 +48,7 @@ static const uint32_t emulated_guest_msrs[NUM_GUEST_MSRS] = {
MSR_IA32_MCG_CAP,
MSR_IA32_MCG_STATUS,
MSR_IA32_MISC_ENABLE,
};
#define NUM_MTRR_MSRS 13U

2
hypervisor/include/arch/x86/guest/vcpu.h
View File

@ -214,7 +214,7 @@ struct ext_context {
#define SECURE_WORLD 1
#define NUM_WORLD_MSRS 2U
#define NUM_COMMON_MSRS 9U
#define NUM_COMMON_MSRS 10U
#define NUM_GUEST_MSRS (NUM_WORLD_MSRS + NUM_COMMON_MSRS)
#define EOI_EXIT_BITMAP_SIZE 256U