cpu_init.s

来自「s3c6410的 Uboot 代码, 感兴趣的可以看看呀」· S 代码 · 共 27 行

#include <config.h>
#include <mdirac3.h>


/* Below code is for ARM926EJS and ARM1026EJS */
	.globl cleanDCache
cleanDCache:
	mrc	p15, 0, pc, c7, c10, 3	/* test/clean D-Cache */
	bne	cleanDCache
	mov	pc, lr

	.globl cleanFlushDCache
cleanFlushDCache:
	mrc	p15, 0, pc, c7, c14, 3	/* test/cleanflush D-Cache */
	bne	cleanFlushDCache
	mov	pc, lr

	.globl cleanFlushCache
cleanFlushCache:
	mrc	p15, 0, pc, c7, c14, 3	/* test/cleanflush D-Cache */
	bne	cleanFlushCache
	mcr	p15, 0, r0, c7, c5, 0	/* flush I-Cache */
	mov	pc, lr

	.ltorg