1
2#ifndef _PARISC_BUG_H
3#define _PARISC_BUG_H
4
5#include <linux/kernel.h>
6
7
8
9
10
11
12#ifdef CONFIG_BUG
13#define HAVE_ARCH_BUG
14#define HAVE_ARCH_WARN_ON
15
16
17#define PARISC_BUG_BREAK_ASM "break 0x1f, 0x1fff"
18#define PARISC_BUG_BREAK_INSN 0x03ffe01f
19
20#if defined(CONFIG_64BIT)
21#define ASM_WORD_INSN ".dword\t"
22#else
23#define ASM_WORD_INSN ".word\t"
24#endif
25
26#ifdef CONFIG_DEBUG_BUGVERBOSE
27#define BUG() \
28 do { \
29 asm volatile("\n" \
30 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
31 "\t.pushsection __bug_table,\"aw\"\n" \
32 "2:\t" ASM_WORD_INSN "1b, %c0\n" \
33 "\t.short %c1, %c2\n" \
34 "\t.org 2b+%c3\n" \
35 "\t.popsection" \
36 : : "i" (__FILE__), "i" (__LINE__), \
37 "i" (0), "i" (sizeof(struct bug_entry)) ); \
38 unreachable(); \
39 } while(0)
40
41#else
42#define BUG() \
43 do { \
44 asm volatile(PARISC_BUG_BREAK_ASM : : ); \
45 unreachable(); \
46 } while(0)
47#endif
48
49#ifdef CONFIG_DEBUG_BUGVERBOSE
50#define __WARN_FLAGS(flags) \
51 do { \
52 asm volatile("\n" \
53 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
54 "\t.pushsection __bug_table,\"aw\"\n" \
55 "2:\t" ASM_WORD_INSN "1b, %c0\n" \
56 "\t.short %c1, %c2\n" \
57 "\t.org 2b+%c3\n" \
58 "\t.popsection" \
59 : : "i" (__FILE__), "i" (__LINE__), \
60 "i" (BUGFLAG_WARNING|(flags)), \
61 "i" (sizeof(struct bug_entry)) ); \
62 } while(0)
63#else
64#define __WARN_FLAGS(flags) \
65 do { \
66 asm volatile("\n" \
67 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
68 "\t.pushsection __bug_table,\"aw\"\n" \
69 "2:\t" ASM_WORD_INSN "1b\n" \
70 "\t.short %c0\n" \
71 "\t.org 2b+%c1\n" \
72 "\t.popsection" \
73 : : "i" (BUGFLAG_WARNING|(flags)), \
74 "i" (sizeof(struct bug_entry)) ); \
75 } while(0)
76#endif
77
78
79#define WARN_ON(x) ({ \
80 int __ret_warn_on = !!(x); \
81 if (__builtin_constant_p(__ret_warn_on)) { \
82 if (__ret_warn_on) \
83 __WARN(); \
84 } else { \
85 if (unlikely(__ret_warn_on)) \
86 __WARN(); \
87 } \
88 unlikely(__ret_warn_on); \
89})
90
91#endif
92
93#include <asm-generic/bug.h>
94#endif
95
96