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Date: Tue, 16 Apr 2013 21:24:06 +0530 From: Anshuman Khandual <khandual@...ux.vnet.ibm.com> To: linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org Cc: michael@...erman.id.au, mikey@...ling.org Subject: [PATCH V2 1/5] powerpc, perf: Add new BHRB related instructions on POWER8 This patch adds new instructions support for reading various BHRB entries and also clearing the BHRB buffer. Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com> --- arch/powerpc/include/asm/ppc-opcode.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 8752bc8..93ae5a1 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -82,6 +82,7 @@ #define __REGA0_R31 31 /* sorted alphabetically */ +#define PPC_INST_BHRBE 0x7c00025c #define PPC_INST_DCBA 0x7c0005ec #define PPC_INST_DCBA_MASK 0xfc0007fe #define PPC_INST_DCBAL 0x7c2005ec @@ -297,6 +298,12 @@ #define PPC_NAP stringify_in_c(.long PPC_INST_NAP) #define PPC_SLEEP stringify_in_c(.long PPC_INST_SLEEP) +/* BHRB instructions */ +#define PPC_CLRBHRB stringify_in_c(.long 0x7c00035c) +#define PPC_MFBHRBE(r, n) stringify_in_c(.long PPC_INST_BHRBE | \ + __PPC_RS(r) | \ + (((n) & 0x1f) << 11)) + /* Transactional memory instructions */ #define TRECHKPT stringify_in_c(.long PPC_INST_TRECHKPT) #define TRECLAIM(r) stringify_in_c(.long PPC_INST_TRECLAIM \ -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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