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Diffstat (limited to 'arch/arm/include/asm/glue-pf.h')
| -rw-r--r-- | arch/arm/include/asm/glue-pf.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-pf.h b/arch/arm/include/asm/glue-pf.h new file mode 100644 index 000000000..a033929fa --- /dev/null +++ b/arch/arm/include/asm/glue-pf.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/glue-pf.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. + */ +#ifndef ASM_GLUE_PF_H +#define ASM_GLUE_PF_H + +#include <asm/glue.h> + +/* + * Prefetch Abort Model + * ================ + * + * We have the following to choose from: + * legacy - no IFSR, no IFAR + * v6 - ARMv6: IFSR, no IFAR + * v7 - ARMv7: IFSR and IFAR + */ + +#undef CPU_PABORT_HANDLER +#undef MULTI_PABORT + +#ifdef CONFIG_CPU_PABRT_LEGACY +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER legacy_pabort +# endif +#endif + +#ifdef CONFIG_CPU_PABRT_V6 +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER v6_pabort +# endif +#endif + +#ifdef CONFIG_CPU_PABRT_V7 +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER v7_pabort +# endif +#endif + +#ifndef CPU_PABORT_HANDLER +#error Unknown prefetch abort handler type +#endif + +#endif |