diff options
Diffstat (limited to 'arch/arm/mm/abort-nommu.S')
| -rw-r--r-- | arch/arm/mm/abort-nommu.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S new file mode 100644 index 0000000000..6e2366a263 --- /dev/null +++ b/arch/arm/mm/abort-nommu.S @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/linkage.h> +#include <asm/assembler.h> +/* + * Function: nommu_early_abort + * + * Params : r2 = pt_regs + * : r4 = aborted context pc + * : r5 = aborted context psr + * + * Returns : r4 - r11, r13 preserved + * + * Note: There is no FSR/FAR on !CPU_CP15_MMU cores. + * Just fill zero into the registers. + */ + .align 5 +ENTRY(nommu_early_abort) + mov r0, #0 @ clear r0, r1 (no FSR/FAR) + mov r1, #0 + b do_DataAbort +ENDPROC(nommu_early_abort) |