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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-04-04 12:39:28 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-11 07:57:01 -0400 |
| commit | cfec82cb7d313ae5b2c2dbb974401d7c214c7b09 (patch) | |
| tree | 63351befc6b9981127ac8dd2d22149d3ddf75806 /arch/x86/include | |
| parent | 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 (diff) | |
| download | linux-cfec82cb7d313ae5b2c2dbb974401d7c214c7b09.tar.gz linux-cfec82cb7d313ae5b2c2dbb974401d7c214c7b09.tar.xz | |
KVM: SVM: Add intercept check for emulated cr accesses
This patch adds all necessary intercept checks for
instructions that access the crX registers.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 15 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index eb7033cefe8e..2c0b5b47464f 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -304,6 +304,9 @@ enum x86_intercept_stage { enum x86_intercept { x86_intercept_none, + x86_intercept_cr_read, + x86_intercept_cr_write, + x86_intercept_clts, x86_intercept_lmsw, x86_intercept_smsw, x86_intercept_lidt, diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 038562c222e8..f7dfd6479d02 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -35,10 +35,25 @@ #define KVM_PIO_PAGE_OFFSET 1 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 +#define CR0_RESERVED_BITS \ + (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ + | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ + | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) + #define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1) #define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD)) #define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS | \ 0xFFFFFF0000000000ULL) +#define CR4_RESERVED_BITS \ + (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ + | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ + | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR \ + | X86_CR4_OSXSAVE \ + | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE)) + +#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) + + #define INVALID_PAGE (~(hpa_t)0) #define VALID_PAGE(x) ((x) != INVALID_PAGE) |