diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2020-01-06 19:12:40 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2020-01-06 19:12:40 +0000 |
| commit | bc75862bef6af457e225ca8c054d70f3cf03eba0 (patch) | |
| tree | d41af7251f5a2fc39cc9970cf8dc977a6b41ccca | |
| parent | ba287d422397a9544ce3154879ba7d11c0b186d7 (diff) | |
Remove redundant BPIALL instructions (since ICIALLU already invalidates the
BP cache if necessary).
ok patrick@
| -rw-r--r-- | sys/arch/arm/arm/cpufunc_asm_armv7.S | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/sys/arch/arm/arm/cpufunc_asm_armv7.S b/sys/arch/arm/arm/cpufunc_asm_armv7.S index aa47b32b4c9..84b37962d17 100644 --- a/sys/arch/arm/arm/cpufunc_asm_armv7.S +++ b/sys/arch/arm/arm/cpufunc_asm_armv7.S @@ -1,4 +1,4 @@ -/* $OpenBSD: cpufunc_asm_armv7.S,v 1.17 2019/10/31 22:28:26 patrick Exp $ */ +/* $OpenBSD: cpufunc_asm_armv7.S,v 1.18 2020/01/06 19:12:39 kettenis Exp $ */ /* * Copyright (c) 2008 Dale Rahn <drahn@openbsd.org> * @@ -43,7 +43,6 @@ ENTRY(armv7_periphbase) */ ENTRY(armv7_setttb) mcr CP15_ICIALLU /* Flush I cache */ - mcr CP15_BPIALL /* Flush BP cache */ dsb sy isb sy @@ -126,7 +125,6 @@ ENTRY(armv7_icache_sync_all) * into the Dcache cleaning code. */ mcr CP15_ICIALLU /* Flush I cache */ - mcr CP15_BPIALL /* Flush BP cache */ isb sy mov pc, lr @@ -228,7 +226,6 @@ ENTRY(armv7_context_switch) * at this point. So no need to flush them again. */ mcr CP15_ICIALLU /* Flush I cache */ - mcr CP15_BPIALL /* Flush BP cache */ dsb sy isb sy |