File: cache.S

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quik 2.1-9
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file content (19 lines) | stat: -rw-r--r-- 291 bytes parent folder | download | duplicates (6) 
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/*
 * Flush the dcache and invalidate the icache for a range of addresses.
 *
 * flush_cache(addr, len)
 */

	.global	flush_cache
flush_cache:
	addi	4,4,0x1f	/* len = (len + 0x1f) / 0x20 */
	rlwinm.	4,4,27,5,31
	mtctr	4
	beqlr
1:	dcbf	0,3
	icbi	0,3
	addi	3,3,0x20
	bdnz	1b
	sync
	isync
	blr