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-rw-r--r--arch/arm26/mm/extable.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm26/mm/extable.c b/arch/arm26/mm/extable.c
new file mode 100644
index 00000000000..2d9f5b5a78d
--- /dev/null
+++ b/arch/arm26/mm/extable.c
@@ -0,0 +1,25 @@
+/*
+ * linux/arch/arm26/mm/extable.c
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <asm/uaccess.h>
+
+int fixup_exception(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fixup;
+
+ fixup = search_exception_tables(instruction_pointer(regs));
+
+ /*
+ * The kernel runs in SVC mode - make sure we keep running in SVC mode
+ * by frobbing the PSR appropriately (PSR and PC are in the same reg.
+ * on ARM26)
+ */
+ if (fixup)
+ regs->ARM_pc = fixup->fixup | PSR_I_BIT | MODE_SVC26;
+
+ return fixup != NULL;
+}
+