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#define ASM
#include "ppcreg.h"
#include <ppc_asm.tmpl>
#define NUM_CACHE_LINES 128*8
#define L1_CACHE_LINE_SIZE 32
#define cache_flush_buffer 0x1000
/*
* Flush data cache
* Do this by just reading lots of stuff into the cache.
*/
.globl flush_dcache
flush_dcache:
lis r3,cache_flush_buffer@h
ori r3,r3,cache_flush_buffer@l
li r4,NUM_CACHE_LINES
mtctr r4
0: lwz r4,0(r3)
addi r3,r3,L1_CACHE_LINE_SIZE
bdnz 0b
blr
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