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53 lines
989 B
53 lines
989 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* This is included by init/main.c to check for architecture-dependent bugs. |
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* |
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* Copyright (C) 2007 Maciej W. Rozycki |
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* |
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* Needs: |
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* void check_bugs(void); |
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*/ |
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#ifndef _ASM_BUGS_H |
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#define _ASM_BUGS_H |
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#include <linux/bug.h> |
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#include <linux/delay.h> |
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#include <linux/smp.h> |
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#include <asm/cpu.h> |
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#include <asm/cpu-info.h> |
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extern int daddiu_bug; |
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extern void check_bugs64_early(void); |
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extern void check_bugs32(void); |
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extern void check_bugs64(void); |
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static inline void check_bugs_early(void) |
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{ |
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if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64)) |
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check_bugs64_early(); |
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} |
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static inline void check_bugs(void) |
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{ |
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unsigned int cpu = smp_processor_id(); |
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cpu_data[cpu].udelay_val = loops_per_jiffy; |
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check_bugs32(); |
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if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64)) |
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check_bugs64(); |
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} |
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static inline int r4k_daddiu_bug(void) |
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{ |
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if (!IS_ENABLED(CONFIG_CPU_R4X00_BUGS64)) |
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return 0; |
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WARN_ON(daddiu_bug < 0); |
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return daddiu_bug != 0; |
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} |
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#endif /* _ASM_BUGS_H */
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