From d2499d8b6c94df02629631807dd96deae7aa7637 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 30 Jan 2008 13:30:54 +0100 Subject: [PATCH] x86: debugctlmsr constants This adds constant macros for a few of the bits in MSR_IA32_DEBUGCTLMSR. Signed-off-by: Roland McGrath Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- include/asm-x86/msr-index.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index a4944732be04..4045bbe47379 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 -- GitLab