| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|
| 2 | #include <linux/linkage.h> |
|---|
| 3 | #include <asm/assembler.h> |
|---|
| 4 | /* |
|---|
| 5 | * Function: v7_early_abort |
|---|
| 6 | * |
|---|
| 7 | * Params : r2 = pt_regs |
|---|
| 8 | * : r4 = aborted context pc |
|---|
| 9 | * : r5 = aborted context psr |
|---|
| 10 | * |
|---|
| 11 | * Returns : r4 - r11, r13 preserved |
|---|
| 12 | * |
|---|
| 13 | * Purpose : obtain information about current aborted instruction. |
|---|
| 14 | */ |
|---|
| 15 | .arch armv7-a |
|---|
| 16 | .align 5 |
|---|
| 17 | ENTRY(v7_early_abort) |
|---|
| 18 | mrc p15, 0, r1, c5, c0, 0 @ get FSR |
|---|
| 19 | mrc p15, 0, r0, c6, c0, 0 @ get FAR |
|---|
| 20 | uaccess_disable ip @ disable userspace access |
|---|
| 21 | b do_DataAbort |
|---|
| 22 | ENDPROC(v7_early_abort) |
|---|
| 23 | |
|---|
