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hv: Extend the always off mask of CR0 and CR4

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According to SDM:
writing a nonzero value to 63:32 bits of CR0 and CR4 results #GP(0).
writing a nonzero value to reserved bit of CR4 results #GP(0).

We merge the check with always off mask of CR0 and CR4.

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yin Fengwei
2018-07-27 13:36:00 +08:00
committed by lijinxia
parent d18642a8a6
commit f0ef41c754
3 changed files with 38 additions and 19 deletions
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6
hypervisor/include/arch/x86/vmx.h
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@@ -405,6 +405,12 @@
/* CR4 bits hv want to trap to track status change */
#define CR4_TRAP_MASK (CR4_PSE | CR4_PAE)
#define CR4_RESERVED_MASK ~(CR4_VME | CR4_PVI | CR4_TSD | CR4_DE | CR4_PSE | \
CR4_PAE | CR4_MCE | CR4_PGE | CR4_PCE | \
CR4_OSFXSR | CR4_PCIDE | CR4_OSXSAVE | \
CR4_SMEP | CR4_FSGSBASE | CR4_VMXE | \
CR4_OSXMMEXCPT | CR4_SMAP | CR4_PKE | \
CR4_SMXE | CR4_UMIP )
#define VMX_SUPPORT_UNRESTRICTED_GUEST (1U<<5)