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-rw-r--r--include/asm-cris/arch-v10/bug.h66
1 files changed, 0 insertions, 66 deletions
diff --git a/include/asm-cris/arch-v10/bug.h b/include/asm-cris/arch-v10/bug.h
deleted file mode 100644
index 3485d6b34bb0..000000000000
--- a/include/asm-cris/arch-v10/bug.h
+++ /dev/null
@@ -1,66 +0,0 @@
1#ifndef __ASM_CRISv10_ARCH_BUG_H
2#define __ASM_CRISv10_ARCH_BUG_H
3
4#include <linux/stringify.h>
5
6#ifdef CONFIG_BUG
7#ifdef CONFIG_DEBUG_BUGVERBOSE
8/* The BUG() macro is used for marking obviously incorrect code paths.
9 * It will cause a message with the file name and line number to be printed,
10 * and then cause an oops. The message is actually printed by handle_BUG()
11 * in arch/cris/kernel/traps.c, and the reason we use this method of storing
12 * the file name and line number is that we do not want to affect the registers
13 * by calling printk() before causing the oops.
14 */
15
16#define BUG_PREFIX 0x0D7F
17#define BUG_MAGIC 0x00001234
18
19struct bug_frame {
20 unsigned short prefix;
21 unsigned int magic;
22 unsigned short clear;
23 unsigned short movu;
24 unsigned short line;
25 unsigned short jump;
26 unsigned char *filename;
27};
28
29#if 0
30/* Unfortunately this version of the macro does not work due to a problem
31 * with the compiler (aka a bug) when compiling with -O2, which sometimes
32 * erroneously causes the second input to be stored in a register...
33 */
34#define BUG() \
35 __asm__ __volatile__ ("clear.d [" __stringify(BUG_MAGIC) "]\n\t"\
36 "movu.w %0,$r0\n\t" \
37 "jump %1\n\t" \
38 : : "i" (__LINE__), "i" (__FILE__))
39#else
40/* This version will have to do for now, until the compiler is fixed.
41 * The drawbacks of this version are that the file name will appear multiple
42 * times in the .rodata section, and that __LINE__ and __FILE__ can probably
43 * not be used like this with newer versions of gcc.
44 */
45#define BUG() \
46 __asm__ __volatile__ ("clear.d [" __stringify(BUG_MAGIC) "]\n\t"\
47 "movu.w " __stringify(__LINE__) ",$r0\n\t"\
48 "jump 0f\n\t" \
49 ".section .rodata\n" \
50 "0:\t.string \"" __FILE__ "\"\n\t" \
51 ".previous")
52#endif
53
54#else
55
56/* This just causes an oops. */
57#define BUG() (*(int *)0 = 0)
58
59#endif
60
61#define HAVE_ARCH_BUG
62#endif
63
64#include <asm-generic/bug.h>
65
66#endif