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Diffstat (limited to '')
-rw-r--r-- | arch/mips/include/asm/bugs.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h new file mode 100644 index 000000000..d8ab8b712 --- /dev/null +++ b/arch/mips/include/asm/bugs.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This is included by init/main.c to check for architecture-dependent bugs. + * + * Copyright (C) 2007 Maciej W. Rozycki + * + * Needs: + * void check_bugs(void); + */ +#ifndef _ASM_BUGS_H +#define _ASM_BUGS_H + +#include <linux/bug.h> +#include <linux/delay.h> +#include <linux/smp.h> + +#include <asm/cpu.h> +#include <asm/cpu-info.h> + +extern int daddiu_bug; + +extern void check_bugs64_early(void); + +extern void check_bugs32(void); +extern void check_bugs64(void); + +static inline void check_bugs_early(void) +{ +#ifdef CONFIG_64BIT + check_bugs64_early(); +#endif +} + +static inline void check_bugs(void) +{ + unsigned int cpu = smp_processor_id(); + + cpu_data[cpu].udelay_val = loops_per_jiffy; + check_bugs32(); +#ifdef CONFIG_64BIT + check_bugs64(); +#endif +} + +static inline int r4k_daddiu_bug(void) +{ +#ifdef CONFIG_64BIT + WARN_ON(daddiu_bug < 0); + return daddiu_bug != 0; +#else + return 0; +#endif +} + +#endif /* _ASM_BUGS_H */ |