diff options
Diffstat (limited to 'gpxe/src/arch/i386/include/bzimage.h')
| -rw-r--r-- | gpxe/src/arch/i386/include/bzimage.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/gpxe/src/arch/i386/include/bzimage.h b/gpxe/src/arch/i386/include/bzimage.h deleted file mode 100644 index 42b31fe4..00000000 --- a/gpxe/src/arch/i386/include/bzimage.h +++ /dev/null @@ -1,142 +0,0 @@ -#ifndef _BZIMAGE_H -#define _BZIMAGE_H - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> - -/** - * A bzImage header - * - * As documented in Documentation/i386/boot.txt - */ -struct bzimage_header { - /** The size of the setup in sectors - * - * If this field contains 0, assume it contains 4. - */ - uint8_t setup_sects; - /** If set, the root is mounted readonly */ - uint16_t root_flags; - /** DO NOT USE - for bootsect.S use only */ - uint16_t syssize; - /** DO NOT USE - obsolete */ - uint16_t swap_dev; - /** DO NOT USE - for bootsect.S use only */ - uint16_t ram_size; - /** Video mode control */ - uint16_t vid_mode; - /** Default root device number */ - uint16_t root_dev; - /** 0xAA55 magic number */ - uint16_t boot_flag; - /** Jump instruction */ - uint16_t jump; - /** Magic signature "HdrS" */ - uint32_t header; - /** Boot protocol version supported */ - uint16_t version; - /** Boot loader hook (see below) */ - uint32_t realmode_swtch; - /** The load-low segment (0x1000) (obsolete) */ - uint16_t start_sys; - /** Pointer to kernel version string */ - uint16_t kernel_version; - /** Boot loader identifier */ - uint8_t type_of_loader; - /** Boot protocol option flags */ - uint8_t loadflags; - /** Move to high memory size (used with hooks) */ - uint16_t setup_move_size; - /** Boot loader hook (see below) */ - uint32_t code32_start; - /** initrd load address (set by boot loader) */ - uint32_t ramdisk_image; - /** initrd size (set by boot loader) */ - uint32_t ramdisk_size; - /** DO NOT USE - for bootsect.S use only */ - uint32_t bootsect_kludge; - /** Free memory after setup end */ - uint16_t heap_end_ptr; - /** Unused */ - uint16_t pad1; - /** 32-bit pointer to the kernel command line */ - uint32_t cmd_line_ptr; - /** Highest legal initrd address */ - uint32_t initrd_addr_max; - /** Physical addr alignment required for kernel */ - uint32_t kernel_alignment; - /** Whether kernel is relocatable or not */ - uint8_t relocatable_kernel; - /** Unused */ - uint8_t pad2[3]; - /** Maximum size of the kernel command line */ - uint32_t cmdline_size; -} __attribute__ (( packed )); - -/** Offset of bzImage header within kernel image */ -#define BZI_HDR_OFFSET 0x1f1 - -/** bzImage boot flag value */ -#define BZI_BOOT_FLAG 0xaa55 - -/** bzImage magic signature value */ -#define BZI_SIGNATURE 0x53726448 - -/** bzImage boot loader identifier for Etherboot */ -#define BZI_LOADER_TYPE_ETHERBOOT 0x40 - -/** bzImage boot loader identifier for gPXE - * - * We advertise ourselves as Etherboot version 6. - */ -#define BZI_LOADER_TYPE_GPXE ( BZI_LOADER_TYPE_ETHERBOOT | 0x06 ) - -/** bzImage "load high" flag */ -#define BZI_LOAD_HIGH 0x01 - -/** Load address for high-loaded kernels */ -#define BZI_LOAD_HIGH_ADDR 0x100000 - -/** Load address for low-loaded kernels */ -#define BZI_LOAD_LOW_ADDR 0x10000 - -/** bzImage "kernel can use heap" flag */ -#define BZI_CAN_USE_HEAP 0x80 - -/** bzImage special video mode "normal" */ -#define BZI_VID_MODE_NORMAL 0xffff - -/** bzImage special video mode "ext" */ -#define BZI_VID_MODE_EXT 0xfffe - -/** bzImage special video mode "ask" */ -#define BZI_VID_MODE_ASK 0xfffd - -/** bzImage maximum initrd address for versions < 2.03 */ -#define BZI_INITRD_MAX 0x37ffffff - -/** bzImage command-line structure used by older kernels */ -struct bzimage_cmdline { - /** Magic signature */ - uint16_t magic; - /** Offset to command line */ - uint16_t offset; -} __attribute__ (( packed )); - -/** Offset of bzImage command-line structure within kernel image */ -#define BZI_CMDLINE_OFFSET 0x20 - -/** bzImage command line present magic marker value */ -#define BZI_CMDLINE_MAGIC 0xa33f - -/** Assumed size of real-mode portion (including .bss) */ -#define BZI_ASSUMED_RM_SIZE 0x8000 - -/** Amount of stack space to provide */ -#define BZI_STACK_SIZE 0x1000 - -/** Maximum size of command line */ -#define BZI_CMDLINE_SIZE 0x100 - -#endif /* _BZIMAGE_H */ |