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Diffstat (limited to 'arch/tile/include/asm/kexec.h')
-rw-r--r-- | arch/tile/include/asm/kexec.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/tile/include/asm/kexec.h b/arch/tile/include/asm/kexec.h new file mode 100644 index 00000000000..c11a6cc73bb --- /dev/null +++ b/arch/tile/include/asm/kexec.h @@ -0,0 +1,53 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * based on kexec.h from other architectures in linux-2.6.18 + */ + +#ifndef _ASM_TILE_KEXEC_H +#define _ASM_TILE_KEXEC_H + +#include <asm/page.h> + +/* Maximum physical address we can use pages from. */ +#define KEXEC_SOURCE_MEMORY_LIMIT TASK_SIZE +/* Maximum address we can reach in physical address mode. */ +#define KEXEC_DESTINATION_MEMORY_LIMIT TASK_SIZE +/* Maximum address we can use for the control code buffer. */ +#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE + +#define KEXEC_CONTROL_PAGE_SIZE PAGE_SIZE + +/* + * We don't bother to provide a unique identifier, since we can only + * reboot with a single type of kernel image anyway. + */ +#define KEXEC_ARCH KEXEC_ARCH_DEFAULT + +/* Use the tile override for the page allocator. */ +struct page *kimage_alloc_pages_arch(gfp_t gfp_mask, unsigned int order); +#define kimage_alloc_pages_arch kimage_alloc_pages_arch + +#define MAX_NOTE_BYTES 1024 + +/* Defined in arch/tile/kernel/relocate_kernel.S */ +extern const unsigned char relocate_new_kernel[]; +extern const unsigned long relocate_new_kernel_size; +extern void relocate_new_kernel_end(void); + +/* Provide a dummy definition to avoid build failures. */ +static inline void crash_setup_regs(struct pt_regs *n, struct pt_regs *o) +{ +} + +#endif /* _ASM_TILE_KEXEC_H */ |