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| author | kogiidena <kogiidena@eggplant.ddo.jp> | 2006-01-16 22:14:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-16 23:15:27 -0800 |
| commit | 9d44190eae97ad4c9ce30f1084e1b0dabd646df5 (patch) | |
| tree | d4801a1f62ea7493b34c306a4ee685e0c4fa5f53 /include/asm-sh | |
| parent | 0d831770b154a057562236e8cf50905c8f1ae1b0 (diff) | |
| download | linux-3.10-9d44190eae97ad4c9ce30f1084e1b0dabd646df5.tar.gz linux-3.10-9d44190eae97ad4c9ce30f1084e1b0dabd646df5.tar.bz2 linux-3.10-9d44190eae97ad4c9ce30f1084e1b0dabd646df5.zip | |
[PATCH] sh: kexec() support
This adds kexec() support for SH.
Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: <fastboot@lists.osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-sh')
| -rw-r--r-- | include/asm-sh/kexec.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-sh/kexec.h b/include/asm-sh/kexec.h new file mode 100644 index 00000000000..9dfe59f6fcb --- /dev/null +++ b/include/asm-sh/kexec.h @@ -0,0 +1,33 @@ +#ifndef _SH_KEXEC_H +#define _SH_KEXEC_H + +/* + * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. + * I.e. Maximum page that is mapped directly into kernel memory, + * and kmap is not required. + * + * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct + * calculation for the amount of memory directly mappable into the + * kernel memory space. + */ + +/* Maximum physical address we can use pages from */ +#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) +/* Maximum address we can reach in physical address mode */ +#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) +/* Maximum address we can use for the control code buffer */ +#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE + +#define KEXEC_CONTROL_CODE_SIZE 4096 + +/* The native architecture */ +#define KEXEC_ARCH KEXEC_ARCH_SH + +#ifndef __ASSEMBLY__ + +extern void machine_shutdown(void); +extern void *crash_notes; + +#endif /* __ASSEMBLY__ */ + +#endif /* _SH_KEXEC_H */ |