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-rw-r--r--arch/powerpc/platforms/4xx/Makefile2
-rw-r--r--arch/powerpc/platforms/4xx/machine_check.c26
2 files changed, 27 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/4xx/Makefile b/arch/powerpc/platforms/4xx/Makefile
index 0d4b65c88d66..9779c32db34e 100644
--- a/arch/powerpc/platforms/4xx/Makefile
+++ b/arch/powerpc/platforms/4xx/Makefile
@@ -1,4 +1,4 @@
-obj-y += uic.o
+obj-y += uic.o machine_check.o
obj-$(CONFIG_PPC4xx_OCM) += ocm.o
obj-$(CONFIG_4xx_SOC) += soc.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/powerpc/platforms/4xx/machine_check.c b/arch/powerpc/platforms/4xx/machine_check.c
new file mode 100644
index 000000000000..aa039dfaf82f
--- /dev/null
+++ b/arch/powerpc/platforms/4xx/machine_check.c
@@ -0,0 +1,26 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <linux/ptrace.h>
+
+#include <asm/reg.h>
+
+int machine_check_4xx(struct pt_regs *regs)
+{
+ unsigned long reason = regs->dsisr;
+
+ if (reason & ESR_IMCP) {
+ printk("Instruction");
+ mtspr(SPRN_ESR, reason & ~ESR_IMCP);
+ } else
+ printk("Data");
+ printk(" machine check in kernel mode.\n");
+
+ return 0;
+}