summaryrefslogtreecommitdiff
path: root/arch/arm/mm/abort-nommu.S
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mm/abort-nommu.S
Initial import
Diffstat (limited to 'arch/arm/mm/abort-nommu.S')
-rw-r--r--arch/arm/mm/abort-nommu.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
new file mode 100644
index 000000000..119cb479c
--- /dev/null
+++ b/arch/arm/mm/abort-nommu.S
@@ -0,0 +1,20 @@
+#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)