tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _PPC_KEXEC_H
2#define _PPC_KEXEC_H
3
4#ifdef CONFIG_KEXEC
5
6/*
7 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
8 * I.e. Maximum page that is mapped directly into kernel memory,
9 * and kmap is not required.
10 *
11 * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
12 * calculation for the amount of memory directly mappable into the
13 * kernel memory space.
14 */
15
16/* Maximum physical address we can use pages from */
17#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
18/* Maximum address we can reach in physical address mode */
19#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
20/* Maximum address we can use for the control code buffer */
21#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
22
23#define KEXEC_CONTROL_CODE_SIZE 4096
24
25/* The native architecture */
26#define KEXEC_ARCH KEXEC_ARCH_PPC
27
28#ifndef __ASSEMBLY__
29
30extern void *crash_notes;
31
32struct kimage;
33
34extern void machine_kexec_simple(struct kimage *image);
35
36#endif /* __ASSEMBLY__ */
37
38#endif /* CONFIG_KEXEC */
39
40#endif /* _PPC_KEXEC_H */