X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=inline;f=include%2Fasm-powerpc%2Fkdump.h;h=10e8eb1e6f4f67e9ec9d1577927980481659926d;hb=3be11c8f4f2fa194834c2e83540f34da442b8977;hp=a87aed00d61fbccd8a6ce2a9a10a7e17109e2f74;hpb=0825788ff27c7145e9d558cb2a26f3837d1f9be5;p=powerpc.git diff --git a/include/asm-powerpc/kdump.h b/include/asm-powerpc/kdump.h index a87aed00d6..10e8eb1e6f 100644 --- a/include/asm-powerpc/kdump.h +++ b/include/asm-powerpc/kdump.h @@ -1,13 +1,40 @@ #ifndef _PPC64_KDUMP_H #define _PPC64_KDUMP_H +/* Kdump kernel runs at 32 MB, change at your peril. */ +#define KDUMP_KERNELBASE 0x2000000 + /* How many bytes to reserve at zero for kdump. The reserve limit should - * be greater or equal to the trampoline's end address. */ -#define KDUMP_RESERVE_LIMIT 0x8000 + * be greater or equal to the trampoline's end address. + * Reserve to the end of the FWNMI area, see head_64.S */ +#define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */ + +#ifdef CONFIG_CRASH_DUMP +#define PHYSICAL_START KDUMP_KERNELBASE #define KDUMP_TRAMPOLINE_START 0x0100 #define KDUMP_TRAMPOLINE_END 0x3000 -extern void kdump_setup(void); +#define KDUMP_MIN_TCE_ENTRIES 2048 + +#else /* !CONFIG_CRASH_DUMP */ + +#define PHYSICAL_START 0x0 + +#endif /* CONFIG_CRASH_DUMP */ + +#ifndef __ASSEMBLY__ +#ifdef CONFIG_CRASH_DUMP + +extern void reserve_kdump_trampoline(void); +extern void setup_kdump_trampoline(void); + +#else /* !CONFIG_CRASH_DUMP */ + +static inline void reserve_kdump_trampoline(void) { ; } +static inline void setup_kdump_trampoline(void) { ; } + +#endif /* CONFIG_CRASH_DUMP */ +#endif /* __ASSEMBLY__ */ #endif /* __PPC64_KDUMP_H */