From 078f194045f892a10f4a5406e7cb06a7f8d42c57 Mon Sep 17 00:00:00 2001 From: will schmidt Date: Wed, 27 Jun 2007 02:12:33 +1000 Subject: [POWERPC] Oprofile enhanced instruction sampling support Oprofile enhanced instruction sampling support. When performing instruction sampling, the mmcra[SLOT] field can be used to more accurately identify the address of the sampled instruction. Tested on power4, js20, power5 and power5+. Signed-off-by: Will Schmidt cc: Maynard Johnson Signed-off-by: Paul Mackerras --- include/asm-powerpc/reg.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/asm-powerpc/reg.h') diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 749c7f953b58..281011e953ec 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -453,6 +453,8 @@ #define SPRN_MMCRA 0x312 #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ +#define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */ +#define MMCRA_SLOT_SHIFT 24 #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ #define POWER6_MMCRA_SIHV 0x0000040000000000ULL #define POWER6_MMCRA_SIPR 0x0000020000000000ULL -- cgit v1.2.3