diff options
Diffstat (limited to 'arch/arm/mm/abort-ev7.S')
| -rw-r--r-- | arch/arm/mm/abort-ev7.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S new file mode 100644 index 0000000000..53fb41c247 --- /dev/null +++ b/arch/arm/mm/abort-ev7.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/linkage.h> +#include <asm/assembler.h> +/* + * Function: v7_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. + */ + .arch armv7-a + .align 5 +ENTRY(v7_early_abort) + mrc p15, 0, r1, c5, c0, 0 @ get FSR + mrc p15, 0, r0, c6, c0, 0 @ get FAR + uaccess_disable ip @ disable userspace access + b do_DataAbort +ENDPROC(v7_early_abort) |