diff options
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/zimage.h')
| -rw-r--r-- | roms/u-boot/arch/x86/include/asm/zimage.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/zimage.h b/roms/u-boot/arch/x86/include/asm/zimage.h new file mode 100644 index 00000000..0f366626 --- /dev/null +++ b/roms/u-boot/arch/x86/include/asm/zimage.h @@ -0,0 +1,44 @@ +/* + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB, daniel@omicron.se + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ZIMAGE_H_ +#define _ASM_ZIMAGE_H_ + +#include <asm/bootparam.h> +#include <asm/e820.h> + +/* linux i386 zImage/bzImage header. Offsets relative to + * the start of the image */ + +#define HEAP_FLAG 0x80 +#define BIG_KERNEL_FLAG 0x01 + +/* magic numbers */ +#define KERNEL_MAGIC 0xaa55 +#define KERNEL_V2_MAGIC 0x53726448 +#define COMMAND_LINE_MAGIC 0xA33F + +/* limits */ +#define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */ +#define ZIMAGE_MAX_SIZE 512*1024 /* 512k */ +#define SETUP_MAX_SIZE 32768 + +#define SETUP_START_OFFSET 0x200 +#define BZIMAGE_LOAD_ADDR 0x100000 +#define ZIMAGE_LOAD_ADDR 0x10000 + +/* Implementation defined function to install an e820 map. */ +unsigned install_e820_map(unsigned max_entries, struct e820entry *); + +struct boot_params *load_zimage(char *image, unsigned long kernel_size, + void **load_address); +int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, + unsigned long initrd_addr, unsigned long initrd_size); + +void boot_zimage(void *setup_base, void *load_address); + +#endif |