unicore32 core architecture: low level entry and setup codes

This patch implements low level entry and setup codes.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/unicore32/include/asm/traps.h b/arch/unicore32/include/asm/traps.h
new file mode 100644
index 000000000000..66e17a724bfe
--- /dev/null
+++ b/arch/unicore32/include/asm/traps.h
@@ -0,0 +1,21 @@
+/*
+ * linux/arch/unicore32/include/asm/traps.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE_TRAP_H__
+#define __UNICORE_TRAP_H__
+
+extern void __init early_trap_init(void);
+extern void dump_backtrace_entry(unsigned long where,
+                unsigned long from, unsigned long frame);
+
+extern void do_DataAbort(unsigned long addr, unsigned int fsr,
+                 struct pt_regs *regs);
+#endif