diff options
| -rw-r--r-- | include/asm-x86/msr-index.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index a4944732be0..4045bbe4737 100644 --- a/include/asm-x86/msr-index.h +++ b/include/asm-x86/msr-index.h @@ -63,6 +63,13 @@ #define MSR_IA32_LASTINTFROMIP 0x000001dd #define MSR_IA32_LASTINTTOIP 0x000001de +/* DEBUGCTLMSR bits (others vary by model): */ +#define _DEBUGCTLMSR_LBR 0 /* last branch recording */ +#define _DEBUGCTLMSR_BTF 1 /* single-step on branches */ + +#define DEBUGCTLMSR_LBR (1UL << _DEBUGCTLMSR_LBR) +#define DEBUGCTLMSR_BTF (1UL << _DEBUGCTLMSR_BTF) + #define MSR_IA32_MC0_CTL 0x00000400 #define MSR_IA32_MC0_STATUS 0x00000401 #define MSR_IA32_MC0_ADDR 0x00000402 |