| Michael Ellerman | 0cc4746 | 2005-12-04 18:39:37 +1100 | [diff] [blame] | 1 | #ifndef _PPC64_KDUMP_H |
| 2 | #define _PPC64_KDUMP_H |
| 3 | |
| Michael Ellerman | 4731041 | 2006-05-17 18:00:49 +1000 | [diff] [blame] | 4 | /* Kdump kernel runs at 32 MB, change at your peril. */ |
| 5 | #define KDUMP_KERNELBASE 0x2000000 |
| 6 | |
| Michael Ellerman | 0cc4746 | 2005-12-04 18:39:37 +1100 | [diff] [blame] | 7 | /* How many bytes to reserve at zero for kdump. The reserve limit should |
| Michael Ellerman | 4731041 | 2006-05-17 18:00:49 +1000 | [diff] [blame] | 8 | * be greater or equal to the trampoline's end address. |
| 9 | * Reserve to the end of the FWNMI area, see head_64.S */ |
| Michael Ellerman | 0cc4746 | 2005-12-04 18:39:37 +1100 | [diff] [blame] | 10 | #define KDUMP_RESERVE_LIMIT 0x8000 |
| 11 | |
| Michael Ellerman | 4731041 | 2006-05-17 18:00:49 +1000 | [diff] [blame] | 12 | #ifdef CONFIG_CRASH_DUMP |
| 13 | |
| 14 | #define PHYSICAL_START KDUMP_KERNELBASE |
| Michael Ellerman | 0cc4746 | 2005-12-04 18:39:37 +1100 | [diff] [blame] | 15 | #define KDUMP_TRAMPOLINE_START 0x0100 |
| 16 | #define KDUMP_TRAMPOLINE_END 0x3000 |
| 17 | |
| Michael Ellerman | 4731041 | 2006-05-17 18:00:49 +1000 | [diff] [blame] | 18 | #else /* !CONFIG_CRASH_DUMP */ |
| 19 | |
| 20 | #define PHYSICAL_START 0x0 |
| 21 | |
| 22 | #endif /* CONFIG_CRASH_DUMP */ |
| 23 | |
| 24 | #ifndef __ASSEMBLY__ |
| 25 | #ifdef CONFIG_CRASH_DUMP |
| 26 | |
| 27 | extern void reserve_kdump_trampoline(void); |
| 28 | extern void setup_kdump_trampoline(void); |
| 29 | |
| 30 | #else /* !CONFIG_CRASH_DUMP */ |
| 31 | |
| 32 | static inline void reserve_kdump_trampoline(void) { ; } |
| 33 | static inline void setup_kdump_trampoline(void) { ; } |
| 34 | |
| 35 | #endif /* CONFIG_CRASH_DUMP */ |
| 36 | #endif /* __ASSEMBLY__ */ |
| Michael Ellerman | 0cc4746 | 2005-12-04 18:39:37 +1100 | [diff] [blame] | 37 | |
| 38 | #endif /* __PPC64_KDUMP_H */ |