diff options
Diffstat (limited to 'arch/arm/mm/cache-v6.S')
| -rw-r--r-- | arch/arm/mm/cache-v6.S | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 72966d90e956..d921c1024ae0 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S | |||
| @@ -92,22 +92,16 @@ ENTRY(v6_coherent_kern_range) | |||
| 92 | * - the Icache does not read data from the write buffer | 92 | * - the Icache does not read data from the write buffer |
| 93 | */ | 93 | */ |
| 94 | ENTRY(v6_coherent_user_range) | 94 | ENTRY(v6_coherent_user_range) |
| 95 | bic r0, r0, #CACHE_LINE_SIZE - 1 | 95 | |
| 96 | 1: | ||
| 97 | #ifdef HARVARD_CACHE | 96 | #ifdef HARVARD_CACHE |
| 98 | mcr p15, 0, r0, c7, c10, 1 @ clean D line | 97 | bic r0, r0, #CACHE_LINE_SIZE - 1 |
| 98 | 1: mcr p15, 0, r0, c7, c10, 1 @ clean D line | ||
| 99 | mcr p15, 0, r0, c7, c5, 1 @ invalidate I line | 99 | mcr p15, 0, r0, c7, c5, 1 @ invalidate I line |
| 100 | #endif | 100 | add r0, r0, #CACHE_LINE_SIZE |
| 101 | mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry | ||
| 102 | add r0, r0, #BTB_FLUSH_SIZE | ||
| 103 | mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry | ||
| 104 | add r0, r0, #BTB_FLUSH_SIZE | ||
| 105 | mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry | ||
| 106 | add r0, r0, #BTB_FLUSH_SIZE | ||
| 107 | mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry | ||
| 108 | add r0, r0, #BTB_FLUSH_SIZE | ||
| 109 | cmp r0, r1 | 101 | cmp r0, r1 |
| 110 | blo 1b | 102 | blo 1b |
| 103 | #endif | ||
| 104 | mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB | ||
| 111 | #ifdef HARVARD_CACHE | 105 | #ifdef HARVARD_CACHE |
| 112 | mov r0, #0 | 106 | mov r0, #0 |
| 113 | mcr p15, 0, r0, c7, c10, 4 @ drain write buffer | 107 | mcr p15, 0, r0, c7, c10, 4 @ drain write buffer |
