diff options
| author |   Nicolas Schichan <nschichan@freebox.fr> | 2006-10-18 15:14:55 +0200 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2006-11-30 01:14:44 +0000 |
| commit | 583bb86fbb9e85287f020fe4eb5352a0ec3c66a3 (patch) | |
| tree | 5aa886f3fd85387d26df30bc33ef24aeda1181f5 /include | |
| parent | [MIPS] Don't print presence of WAIT instruction on bootup. (diff) | |
| download | linux-dev-583bb86fbb9e85287f020fe4eb5352a0ec3c66a3.tar.xz linux-dev-583bb86fbb9e85287f020fe4eb5352a0ec3c66a3.zip | |
[MIPS] Add support for kexec
A tiny userland application loading the kernel and invoking kexec_load for
mips is available here:
http://chac.le-poulpe.net/~nico/kexec/kexec-2006-10-18.tar.gz
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-mips/kexec.h | 32 | ||||
| -rw-r--r-- | include/linux/kexec.h | 2 |
2 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-mips/kexec.h b/include/asm-mips/kexec.h new file mode 100644 index 000000000000..b25267ebcb09 --- /dev/null +++ b/include/asm-mips/kexec.h @@ -0,0 +1,32 @@ +/* + * kexec.h for kexec + * Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006 + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#ifndef _MIPS_KEXEC +# define _MIPS_KEXEC + +/* Maximum physical address we can use pages from */ +#define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000) +/* Maximum address we can reach in physical address mode */ +#define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000) + /* Maximum address we can use for the control code buffer */ +#define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000) + +#define KEXEC_CONTROL_CODE_SIZE 4096 + +/* The native architecture */ +#define KEXEC_ARCH KEXEC_ARCH_MIPS + +#define MAX_NOTE_BYTES 1024 + +static inline void crash_setup_regs(struct pt_regs *newregs, + struct pt_regs *oldregs) +{ + /* Dummy implementation for now */ +} + +#endif /* !_MIPS_KEXEC */ diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 6427949ddf99..a4ede62b339d 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -122,6 +122,8 @@ extern struct kimage *kexec_crash_image; #define KEXEC_ARCH_IA_64 (50 << 16) #define KEXEC_ARCH_S390 (22 << 16) #define KEXEC_ARCH_SH (42 << 16) +#define KEXEC_ARCH_MIPS_LE (10 << 16) +#define KEXEC_ARCH_MIPS ( 8 << 16) #define KEXEC_FLAGS (KEXEC_ON_CRASH) /* List of defined/legal kexec flags */ |