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

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 
 
 3 * Copyright (C) 2007  Maciej W. Rozycki
 
 
 
 4 */
 5#ifndef _ASM_BUGS_H
 6#define _ASM_BUGS_H
 7
 8#include <linux/bug.h>
 
 9#include <linux/smp.h>
10
11#include <asm/cpu.h>
12#include <asm/cpu-info.h>
13
14extern int daddiu_bug;
15
16extern void check_bugs64_early(void);
17
18extern void check_bugs32(void);
19extern void check_bugs64(void);
20
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21static inline int r4k_daddiu_bug(void)
22{
23	if (!IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
24		return 0;
25
26	WARN_ON(daddiu_bug < 0);
27	return daddiu_bug != 0;
 
 
 
28}
29
30#endif /* _ASM_BUGS_H */