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#include "PR/R4300.h"
#include "sys/asm.h"
#include "sys/regdef.h"
.text
LEAF(osWritebackDCache)
blez a1, 2f
li t3, DCACHE_SIZE
bgeu a1,t3, 3f
move t0, a0
addu t1, a0,a1
bgeu t0, t1, 2f
addiu t1, t1, -DCACHE_LINESIZE
andi t2, t0, DCACHE_LINEMASK
subu t0, t0,t2
1:
.set noreorder
cache (C_HWB|CACH_PD), (t0)
bltu t0, t1, 1b
addiu t0, t0, DCACHE_LINESIZE
.set reorder
2:
jr ra
3:
li t0, KUSIZE
addu t1, t0,t3
addiu t1, t1, -DCACHE_LINESIZE
4:
.set noreorder
cache (C_IWBINV|CACH_PD), (t0)
bltu t0, t1, 4b
addiu t0, t0, DCACHE_LINESIZE
.set reorder
jr ra
END(osWritebackDCache)
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