blob: b07ebb9784d365b61d4216969fe24fa5c697e269 [file] [log] [blame]
#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.
* Reserve to the end of the FWNMI area, see head_64.S */
#define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */
#ifdef CONFIG_CRASH_DUMP
#define KDUMP_TRAMPOLINE_START 0x0100
#define KDUMP_TRAMPOLINE_END 0x3000
#define KDUMP_MIN_TCE_ENTRIES 2048
#endif /* CONFIG_CRASH_DUMP */
#ifndef __ASSEMBLY__
#if defined(CONFIG_CRASH_DUMP) && !defined(CONFIG_RELOCATABLE)
extern void reserve_kdump_trampoline(void);
extern void setup_kdump_trampoline(void);
#else
/* !CRASH_DUMP || RELOCATABLE */
static inline void reserve_kdump_trampoline(void) { ; }
static inline void setup_kdump_trampoline(void) { ; }
#endif
#endif /* __ASSEMBLY__ */
#endif /* __PPC64_KDUMP_H */