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author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-26 23:38:58 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-26 23:38:58 -0400 |
commit | 5696c1944a33b4434a9a1ebb6383b906afd43a10 (patch) | |
tree | 16fbe6ba431bcf949ee8645510b0c2fd39b5810f /include/asm-i386/kexec.h | |
parent | 66b04a80eea60cabf9d89fd34deb3234a740052f (diff) | |
parent | 020f46a39eb7b99a575b9f4d105fce2b142acdf1 (diff) |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-i386/kexec.h')
-rw-r--r-- | include/asm-i386/kexec.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h new file mode 100644 index 00000000000..6ed2a03e37b --- /dev/null +++ b/include/asm-i386/kexec.h @@ -0,0 +1,33 @@ +#ifndef _I386_KEXEC_H +#define _I386_KEXEC_H + +#include <asm/fixmap.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_386 + +#define MAX_NOTE_BYTES 1024 +typedef u32 note_buf_t[MAX_NOTE_BYTES/4]; + +extern note_buf_t crash_notes[]; + +#endif /* _I386_KEXEC_H */ |