diff options
Diffstat (limited to 'arch/ppc/kernel/misc.S')
| -rw-r--r-- | arch/ppc/kernel/misc.S | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S index 50f63eeb4..8444bb4a0 100644 --- a/arch/ppc/kernel/misc.S +++ b/arch/ppc/kernel/misc.S @@ -241,12 +241,21 @@ _GLOBAL(__flush_page_to_ram) rlwinm r5,r5,16,16,31 cmpi 0,r5,1 beqlr /* for 601, do nothing */ + li r4,0x0FFF + andc r3,r3,r4 /* Get page base address */ li r4,4096/CACHE_LINE_SIZE /* Number of lines in a page */ mtctr r4 + mr r6,r3 0: dcbst 0,r3 /* Write line to ram */ addi r3,r3,CACHE_LINE_SIZE bdnz 0b sync + mtctr r4 +1: icbi 0,r6 + addi r6,r6,CACHE_LINE_SIZE + bdnz 1b + sync + isync blr /* @@ -270,7 +279,7 @@ _GLOBAL(__flush_icache_page) sync isync blr - + /* * Clear a page using the dcbz instruction, which doesn't cause any * memory traffic (except to write out any cache lines which get |