diff options
| 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 | |
| parent | [PATCH] sh: DMA updates (diff) | |
| download | linux-dev-9d44190eae97ad4c9ce30f1084e1b0dabd646df5.tar.xz linux-dev-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')
| -rw-r--r-- | include/asm-sh/kexec.h | 33 | ||||
| -rw-r--r-- | include/linux/kexec.h | 1 |
2 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-sh/kexec.h b/include/asm-sh/kexec.h new file mode 100644 index 000000000000..9dfe59f6fcb5 --- /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 */ diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 94abc07cb164..a311f58c8a7c 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -119,6 +119,7 @@ extern struct kimage *kexec_image; #define KEXEC_ARCH_PPC64 (21 << 16) #define KEXEC_ARCH_IA_64 (50 << 16) #define KEXEC_ARCH_S390 (22 << 16) +#define KEXEC_ARCH_SH (42 << 16) #define KEXEC_FLAGS (KEXEC_ON_CRASH) /* List of defined/legal kexec flags */ |