diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2020-06-09 17:06:08 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-16 13:12:32 +1000 |
| commit | 70d7cdaf0548ec95fa7204dcdd39cd8e63cee24d (patch) | |
| tree | 361d743c2be7d1767caf795e1ffb75f5a6251154 /arch | |
| parent | c0036549a9d9a060fa8bc24e31f85503ce08ad5e (diff) | |
| download | linux-70d7cdaf0548ec95fa7204dcdd39cd8e63cee24d.tar.bz2 | |
powerpc/64s: Move branch cache flushing bcctr variant to ppc-ops.h
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200609070610.846703-6-npiggin@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 777d5056a71c..3ee6fad902bc 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -195,6 +195,7 @@ #define OP_LQ 56 /* sorted alphabetically */ +#define PPC_INST_BCCTR_FLUSH 0x4c400420 #define PPC_INST_BHRBE 0x7c00025c #define PPC_INST_CLRBHRB 0x7c00035c #define PPC_INST_COPY 0x7c20060c @@ -437,6 +438,7 @@ #endif /* 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_INST_CP_ABORT) #define PPC_COPY(a, b) stringify_in_c(.long PPC_INST_COPY | \ ___PPC_RA(a) | ___PPC_RB(b)) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index bdef9c11bad2..da85c2511e57 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -261,8 +261,6 @@ _ASM_NOKPROBE_SYMBOL(save_nvgprs); 1: nop; \ patch_site 1b, patch__call_flush_branch_caches -#define BCCTR_FLUSH .long 0x4c400420 - .macro nops number .rept \number nop @@ -293,7 +291,7 @@ flush_branch_caches: li r9,0x7fff mtctr r9 - BCCTR_FLUSH + PPC_BCCTR_FLUSH 2: nop patch_site 2b patch__flush_count_cache_return @@ -302,7 +300,7 @@ flush_branch_caches: .rept 278 .balign 32 - BCCTR_FLUSH + PPC_BCCTR_FLUSH nops 7 .endr |