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-rw-r--r--arch/mips/dec/prom/locore.S30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/dec/prom/locore.S b/arch/mips/dec/prom/locore.S
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+/*
+ * locore.S
+ */
+#include <asm/asm.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+
+ .text
+
+/*
+ * Simple general exception handling routine. This one is used for the
+ * Memory sizing routine for pmax machines. HK
+ */
+
+NESTED(genexcept_early, 0, sp)
+ .set noat
+ .set noreorder
+
+ mfc0 k0, CP0_STATUS
+ la k1, mem_err
+
+ sw k0, 0(k1)
+
+ mfc0 k0, CP0_EPC
+ nop
+ addiu k0, 4 # skip the causing instruction
+ jr k0
+ rfe
+END(genexcept_early)
+