tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _SH_KEXEC_H
2#define _SH_KEXEC_H
3
4/*
5 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
6 * I.e. Maximum page that is mapped directly into kernel memory,
7 * and kmap is not required.
8 *
9 * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
10 * calculation for the amount of memory directly mappable into the
11 * kernel memory space.
12 */
13
14/* Maximum physical address we can use pages from */
15#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
16/* Maximum address we can reach in physical address mode */
17#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
18/* Maximum address we can use for the control code buffer */
19#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
20
21#define KEXEC_CONTROL_CODE_SIZE 4096
22
23/* The native architecture */
24#define KEXEC_ARCH KEXEC_ARCH_SH
25
26#define MAX_NOTE_BYTES 1024
27
28/* Provide a dummy definition to avoid build failures. */
29static inline void crash_setup_regs(struct pt_regs *newregs,
30 struct pt_regs *oldregs) { }
31
32#endif /* _SH_KEXEC_H */