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Return 0 for a rdmsr of MSR_IA32_PLATFORM_ID. This

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is enough to get Ubuntu 12.0.4/13.0.4 to boot.

Approved by:	re@ (blanket)
This commit is contained in:
Peter Grehan 2013-09-27 14:55:59 +00:00
parent 9f70672718
commit e58d944482
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=255911
1 changed files with 5 additions and 1 deletions
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6
sys/amd64/vmm/vmm_msr.c
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@ -57,6 +57,7 @@ static struct vmm_msr vmm_msr[] = {
{ MSR_PAT, VMM_MSR_F_EMULATE | VMM_MSR_F_INVALID },
{ MSR_BIOS_SIGN,VMM_MSR_F_EMULATE },
{ MSR_MCG_CAP, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY },
{ MSR_IA32_PLATFORM_ID, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY },
{ MSR_IA32_MISC_ENABLE, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY },
};
@ -129,7 +130,10 @@ guest_msrs_init(struct vm *vm, int cpu)
misc |= (1 << 12) | (1 << 11);
misc &= ~((1 << 18) | (1 << 16));
guest_msrs[i] = misc;
break;
break;
case MSR_IA32_PLATFORM_ID:
guest_msrs[i] = 0;
break;
default:
panic("guest_msrs_init: missing initialization for msr "
"0x%0x", vmm_msr[i].num);