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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This is included by init/main.c to check for architecture-dependent bugs.
4 *
5 * Copyright (C) 2007 Maciej W. Rozycki
6 *
7 * Needs:
8 * void check_bugs(void);
9 */
10#ifndef _ASM_BUGS_H
11#define _ASM_BUGS_H
12
13#include <linux/bug.h>
14#include <linux/delay.h>
15#include <linux/smp.h>
16
17#include <asm/cpu.h>
18#include <asm/cpu-info.h>
19
20extern int daddiu_bug;
21
22extern void check_bugs64_early(void);
23
24extern void check_bugs32(void);
25extern void check_bugs64(void);
26
27static inline void check_bugs_early(void)
28{
29 if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
30 check_bugs64_early();
31}
32
33static inline void check_bugs(void)
34{
35 unsigned int cpu = smp_processor_id();
36
37 cpu_data[cpu].udelay_val = loops_per_jiffy;
38 check_bugs32();
39
40 if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
41 check_bugs64();
42}
43
44static inline int r4k_daddiu_bug(void)
45{
46 if (!IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
47 return 0;
48
49 WARN_ON(daddiu_bug < 0);
50 return daddiu_bug != 0;
51}
52
53#endif /* _ASM_BUGS_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This is included by init/main.c to check for architecture-dependent bugs.
4 *
5 * Copyright (C) 2007 Maciej W. Rozycki
6 *
7 * Needs:
8 * void check_bugs(void);
9 */
10#ifndef _ASM_BUGS_H
11#define _ASM_BUGS_H
12
13#include <linux/bug.h>
14#include <linux/delay.h>
15#include <linux/smp.h>
16
17#include <asm/cpu.h>
18#include <asm/cpu-info.h>
19
20extern int daddiu_bug;
21
22extern void check_bugs64_early(void);
23
24extern void check_bugs32(void);
25extern void check_bugs64(void);
26
27static inline void check_bugs_early(void)
28{
29#ifdef CONFIG_64BIT
30 check_bugs64_early();
31#endif
32}
33
34static inline void check_bugs(void)
35{
36 unsigned int cpu = smp_processor_id();
37
38 cpu_data[cpu].udelay_val = loops_per_jiffy;
39 check_bugs32();
40#ifdef CONFIG_64BIT
41 check_bugs64();
42#endif
43}
44
45static inline int r4k_daddiu_bug(void)
46{
47#ifdef CONFIG_64BIT
48 WARN_ON(daddiu_bug < 0);
49 return daddiu_bug != 0;
50#else
51 return 0;
52#endif
53}
54
55#endif /* _ASM_BUGS_H */