From: Christophe Leroy <christophe.leroy@csgroup.eu> To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au> Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v1 6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR() Date: Tue, 24 Nov 2020 15:24:59 +0000 (UTC) [thread overview] Message-ID: <e281e3a611eead8817c49cf06a60072a021af823.1606231483.git.christophe.leroy@csgroup.eu> (raw) In-Reply-To: <e796c5fcb5898de827c803cf1ab8ba1d7a5d4b76.1606231483.git.christophe.leroy@csgroup.eu> Add PPC_RAW_MFSPR() to replace open coding done in 8xx-pmu.c Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/include/asm/ppc-opcode.h | 3 ++- arch/powerpc/perf/8xx-pmu.c | 5 +---- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index a6e3700c4566..da6f300e9788 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -230,7 +230,6 @@ #define PPC_INST_POPCNTB_MASK 0xfc0007fe #define PPC_INST_RFEBB 0x4c000124 #define PPC_INST_RFID 0x4c000024 -#define PPC_INST_MFSPR 0x7c0002a6 #define PPC_INST_MFSPR_DSCR 0x7c1102a6 #define PPC_INST_MFSPR_DSCR_MASK 0xfc1ffffe #define PPC_INST_MTSPR_DSCR 0x7c1103a6 @@ -507,6 +506,8 @@ #define PPC_RAW_NEG(d, a) (0x7c0000d0 | ___PPC_RT(d) | ___PPC_RA(a)) +#define PPC_RAW_MFSPR(d, spr) (0x7c0002a6 | ___PPC_RT(d) | __PPC_SPR(spr)) + /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) #define PPC_CP_ABORT stringify_in_c(.long PPC_RAW_CP_ABORT) diff --git a/arch/powerpc/perf/8xx-pmu.c b/arch/powerpc/perf/8xx-pmu.c index 93004ee586a1..f970d1510d3d 100644 --- a/arch/powerpc/perf/8xx-pmu.c +++ b/arch/powerpc/perf/8xx-pmu.c @@ -153,10 +153,7 @@ static void mpc8xx_pmu_read(struct perf_event *event) static void mpc8xx_pmu_del(struct perf_event *event, int flags) { - struct ppc_inst insn; - - /* mfspr r10, SPRN_SPRG_SCRATCH2 */ - insn = ppc_inst(PPC_INST_MFSPR | __PPC_RS(R10) | __PPC_SPR(SPRN_SPRG_SCRATCH2)); + struct ppc_inst insn = ppc_inst(PPC_RAW_MFSPR(10, SPRN_SPRG_SCRATCH2)); mpc8xx_pmu_read(event); -- 2.25.0
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu> To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR() Date: Tue, 24 Nov 2020 15:24:59 +0000 (UTC) [thread overview] Message-ID: <e281e3a611eead8817c49cf06a60072a021af823.1606231483.git.christophe.leroy@csgroup.eu> (raw) In-Reply-To: <e796c5fcb5898de827c803cf1ab8ba1d7a5d4b76.1606231483.git.christophe.leroy@csgroup.eu> Add PPC_RAW_MFSPR() to replace open coding done in 8xx-pmu.c Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/include/asm/ppc-opcode.h | 3 ++- arch/powerpc/perf/8xx-pmu.c | 5 +---- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index a6e3700c4566..da6f300e9788 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -230,7 +230,6 @@ #define PPC_INST_POPCNTB_MASK 0xfc0007fe #define PPC_INST_RFEBB 0x4c000124 #define PPC_INST_RFID 0x4c000024 -#define PPC_INST_MFSPR 0x7c0002a6 #define PPC_INST_MFSPR_DSCR 0x7c1102a6 #define PPC_INST_MFSPR_DSCR_MASK 0xfc1ffffe #define PPC_INST_MTSPR_DSCR 0x7c1103a6 @@ -507,6 +506,8 @@ #define PPC_RAW_NEG(d, a) (0x7c0000d0 | ___PPC_RT(d) | ___PPC_RA(a)) +#define PPC_RAW_MFSPR(d, spr) (0x7c0002a6 | ___PPC_RT(d) | __PPC_SPR(spr)) + /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) #define PPC_CP_ABORT stringify_in_c(.long PPC_RAW_CP_ABORT) diff --git a/arch/powerpc/perf/8xx-pmu.c b/arch/powerpc/perf/8xx-pmu.c index 93004ee586a1..f970d1510d3d 100644 --- a/arch/powerpc/perf/8xx-pmu.c +++ b/arch/powerpc/perf/8xx-pmu.c @@ -153,10 +153,7 @@ static void mpc8xx_pmu_read(struct perf_event *event) static void mpc8xx_pmu_del(struct perf_event *event, int flags) { - struct ppc_inst insn; - - /* mfspr r10, SPRN_SPRG_SCRATCH2 */ - insn = ppc_inst(PPC_INST_MFSPR | __PPC_RS(R10) | __PPC_SPR(SPRN_SPRG_SCRATCH2)); + struct ppc_inst insn = ppc_inst(PPC_RAW_MFSPR(10, SPRN_SPRG_SCRATCH2)); mpc8xx_pmu_read(event); -- 2.25.0
next prev parent reply other threads:[~2020-11-24 15:25 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-24 15:24 [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy 2020-11-24 15:24 ` [PATCH v1 2/6] powerpc/8xx: Always pin kernel text TLB Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy 2020-12-09 10:43 ` Michael Ellerman 2020-12-09 10:43 ` Michael Ellerman 2020-12-09 11:50 ` Christophe Leroy 2020-12-09 11:50 ` Christophe Leroy 2020-12-10 0:21 ` Michael Ellerman 2020-12-10 0:21 ` Michael Ellerman 2020-11-24 15:24 ` [PATCH v1 3/6] powerpc/8xx: Simplify INVALIDATE_ADJACENT_PAGES_CPU15 Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy 2020-11-24 15:24 ` [PATCH v1 4/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy 2020-11-24 15:24 ` [PATCH v1 5/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB " Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy 2020-11-24 15:24 ` Christophe Leroy [this message] 2020-11-24 15:24 ` [PATCH v1 6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR() Christophe Leroy 2020-12-15 10:48 ` [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler Michael Ellerman 2020-12-15 10:48 ` Michael Ellerman
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