Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 PHYSICAL_START KDUMP_KERNELBASE
15#define KDUMP_TRAMPOLINE_START 0x0100
16#define KDUMP_TRAMPOLINE_END 0x3000
17
18#define KDUMP_MIN_TCE_ENTRIES 2048
19
20#else /* !CONFIG_CRASH_DUMP */
21
22#define PHYSICAL_START 0x0
23
24#endif /* CONFIG_CRASH_DUMP */
25
26#ifndef __ASSEMBLY__
27#ifdef CONFIG_CRASH_DUMP
28
29extern void reserve_kdump_trampoline(void);
30extern void setup_kdump_trampoline(void);
31
32#else /* !CONFIG_CRASH_DUMP */
33
34static inline void reserve_kdump_trampoline(void) { ; }
35static inline void setup_kdump_trampoline(void) { ; }
36
37#endif /* CONFIG_CRASH_DUMP */
38#endif /* __ASSEMBLY__ */
39
40#endif /* __PPC64_KDUMP_H */