From 97a0aac9b844a8bcfebb6805322998f8ca4db9dc Mon Sep 17 00:00:00 2001 From: Michael Neuling Date: Wed, 13 Feb 2013 16:21:33 +0000 Subject: [PATCH] powerpc: Register defines for various transactional memory registers Defines for MSR bits and transactional memory related SPRs TFIAR, TEXASR and TEXASRU. Signed-off-by: Matt Evans Signed-off-by: Michael Neuling Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/reg.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index e09ac51961d7..7844c285f6e1 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -29,6 +29,10 @@ #define MSR_SF_LG 63 /* Enable 64 bit mode */ #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */ #define MSR_HV_LG 60 /* Hypervisor state */ +#define MSR_TS_T_LG 34 /* Trans Mem state: Transactional */ +#define MSR_TS_S_LG 33 /* Trans Mem state: Suspended */ +#define MSR_TS_LG 33 /* Trans Mem state (2 bits) */ +#define MSR_TM_LG 32 /* Trans Mem Available */ #define MSR_VEC_LG 25 /* Enable AltiVec */ #define MSR_VSX_LG 23 /* Enable VSX */ #define MSR_POW_LG 18 /* Enable Power Management */ @@ -98,6 +102,25 @@ #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */ #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ +#define MSR_TM __MASK(MSR_TM_LG) /* Transactional Mem Available */ +#define MSR_TS_N 0 /* Non-transactional */ +#define MSR_TS_S __MASK(MSR_TS_S_LG) /* Transaction Suspended */ +#define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */ +#define MSR_TS_MASK (MSR_TS_T | MSR_TS_S) /* Transaction State bits */ +#define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ +#define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T) +#define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S) + +/* Reason codes describing kernel causes for transaction aborts. By + convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if + the failure is persistent. +*/ +#define TM_CAUSE_RESCHED 0xfe +#define TM_CAUSE_TLBI 0xfc +#define TM_CAUSE_FAC_UNAV 0xfa +#define TM_CAUSE_SYSCALL 0xf9 /* Persistent */ +#define TM_CAUSE_MISC 0xf6 + #if defined(CONFIG_PPC_BOOK3S_64) #define MSR_64BIT MSR_SF @@ -193,6 +216,10 @@ #define SPRN_UAMOR 0x9d /* User Authority Mask Override Register */ #define SPRN_AMOR 0x15d /* Authority Mask Override Register */ #define SPRN_ACOP 0x1F /* Available Coprocessor Register */ +#define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */ +#define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */ +#define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */ +#define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */ #define SPRN_CTRLF 0x088 #define SPRN_CTRLT 0x098 #define CTRL_CT 0xc0000000 /* current thread */