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authorRoland McGrath <roland@redhat.com>2008-01-30 13:30:54 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:30:54 +0100
commitd2499d8b6c94df02629631807dd96deae7aa7637 (patch)
treeb0221c5a323bbf24df475b1750cd60de6c42c0ef /include/asm-x86/msr-index.h
parent5b88abbf770a0e1975c668743100f42934f385e8 (diff)
downloadop-kernel-dev-d2499d8b6c94df02629631807dd96deae7aa7637.zip
op-kernel-dev-d2499d8b6c94df02629631807dd96deae7aa7637.tar.gz
x86: debugctlmsr constants
This adds constant macros for a few of the bits in MSR_IA32_DEBUGCTLMSR. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/msr-index.h')
-rw-r--r--include/asm-x86/msr-index.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h
index a494473..4045bbe 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
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