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working but suboptimal cache flusher

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phcoder 2009-10-24 10:58:20 +02:00
parent 1e1ddb6cb9
commit e6efd24fa0
1 changed files with 8 additions and 3 deletions
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11
kern/mips/cache.S
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@ -3,7 +3,12 @@
/* FIXME: This should invalidate only part of memory. */
FUNCTION (grub_cpu_flush_cache)
FUNCTION (grub_arch_sync_caches)
#if __mips >= 2
sync
#endif
repeat:
cache 1, 0($a0)
cache 0, 0($a0)
cache 3, 0($a0)
cache 0, 0($a0)
addiu $a0, $a0, 1
addiu $a1, $a1, 0xffff
bne $a1, $zero, repeat
j $31