1 #ifndef _PPC64_KDUMP_H 2 #define _PPC64_KDUMP_H 3 4 /* Kdump kernel runs at 32 MB, change at your peril. */ 5 #define KDUMP_KERNELBASE 0x2000000 6 7 /* How many bytes to reserve at zero for kdump. The reserve limit should 8 * be greater or equal to the trampoline's end address. 9 * Reserve to the end of the FWNMI area, see head_64.S */ 10 #define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */ 11 12 #ifdef CONFIG_CRASH_DUMP 13 14 #define KDUMP_TRAMPOLINE_START 0x0100 15 #define KDUMP_TRAMPOLINE_END 0x3000 16 17 #define KDUMP_MIN_TCE_ENTRIES 2048 18 19 #endif /* CONFIG_CRASH_DUMP */ 20 21 #ifndef __ASSEMBLY__ 22 23 #if defined(CONFIG_CRASH_DUMP) && !defined(CONFIG_RELOCATABLE) 24 extern void reserve_kdump_trampoline(void); 25 extern void setup_kdump_trampoline(void); 26 #else 27 /* !CRASH_DUMP || RELOCATABLE */ 28 static inline void reserve_kdump_trampoline(void) { ; } 29 static inline void setup_kdump_trampoline(void) { ; } 30 #endif 31 32 #endif /* __ASSEMBLY__ */ 33 34 #endif /* __PPC64_KDUMP_H */ 35