123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
- */
- #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
- /**
- * load_zimage() - Load a zImage or bzImage
- *
- * This copies an image into the standard location ready for setup
- *
- * @image: Address of image to load
- * @kernel_size: Size of kernel including setup block (or 0 if the kernel is
- * new enough to have a 'syssize' value)
- * @load_addressp: Returns the address where the kernel has been loaded
- * @return address of setup block, or NULL if something went wrong
- */
- struct boot_params *load_zimage(char *image, unsigned long kernel_size,
- ulong *load_addressp);
- /**
- * setup_zimage() - Set up a loaded zImage or bzImage ready for booting
- *
- * @setup_base: Pointer to the boot parameters, typically at address
- * DEFAULT_SETUP_BASE
- * @cmd_line: Place to put the command line, or NULL to use the one in the setup
- * block
- * @initrd_addr: Address of the initial ramdisk, or 0 if none
- * @initrd_size: Size of the initial ramdisk, or 0 if none
- * @load_address: Address where the bzImage is moved before booting, either
- * BZIMAGE_LOAD_ADDR or ZIMAGE_LOAD_ADDR
- * @cmdline_force: Address of 'override' command line, or 0 to use the one in
- * the * setup block
- * @return 0 (always)
- */
- int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
- ulong initrd_addr, ulong initrd_size, ulong cmdline_force);
- /**
- * zimage_dump() - Dump the metadata of a zimage
- *
- * This shows all available information in a zimage that has been loaded.
- *
- * @base_ptr: Pointer to the boot parameters, typically at address
- * DEFAULT_SETUP_BASE
- */
- void zimage_dump(struct boot_params *base_ptr);
- void setup_video(struct screen_info *screen_info);
- void setup_efi_info(struct efi_info *efi_info);
- #endif
|