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-rw-r--r--kernel/arch/arm/mm/abort-nommu.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/arch/arm/mm/abort-nommu.S b/kernel/arch/arm/mm/abort-nommu.S
new file mode 100644
index 000000000..119cb479c
--- /dev/null
+++ b/kernel/arch/arm/mm/abort-nommu.S
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+#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)