tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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kernel / arch / arm / mm / pabort-v7.S
at v3.10 21 lines 444 B view raw
1#include <linux/linkage.h> 2#include <asm/assembler.h> 3 4/* 5 * Function: v7_pabort 6 * 7 * Params : r2 = pt_regs 8 * : r4 = address of aborted instruction 9 * : r5 = psr for parent context 10 * 11 * Returns : r4 - r11, r13 preserved 12 * 13 * Purpose : obtain information about current prefetch abort. 14 */ 15 16 .align 5 17ENTRY(v7_pabort) 18 mrc p15, 0, r0, c6, c0, 2 @ get IFAR 19 mrc p15, 0, r1, c5, c0, 1 @ get IFSR 20 b do_PrefetchAbort 21ENDPROC(v7_pabort)