diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mm/abort-ev4.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mm/abort-ev4.S | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/abort-ev4.S b/ANDROID_3.4.5/arch/arm/mm/abort-ev4.S deleted file mode 100644 index 54473cd4..00000000 --- a/ANDROID_3.4.5/arch/arm/mm/abort-ev4.S +++ /dev/null @@ -1,25 +0,0 @@ -#include <linux/linkage.h> -#include <asm/assembler.h> -/* - * Function: v4_early_abort - * - * Params : r2 = pt_regs - * : r4 = aborted context pc - * : r5 = aborted context psr - * - * Returns : r4 - r11, r13 preserved - * - * Purpose : obtain information about current aborted instruction. - * Note: we read user space. This means we might cause a data - * abort here if the I-TLB and D-TLB aren't seeing the same - * picture. Unfortunately, this does happen. We live with it. - */ - .align 5 -ENTRY(v4_early_abort) - mrc p15, 0, r1, c5, c0, 0 @ get FSR - mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r3, [r4] @ read aborted ARM instruction - bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR - tst r3, #1 << 20 @ L = 1 -> write? - orreq r1, r1, #1 << 11 @ yes. - b do_DataAbort |