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iPXE
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A bzImage header. More...
#include <bzimage.h>
Data Fields | |
| uint8_t | setup_sects |
| The size of the setup in sectors. More... | |
| uint16_t | root_flags |
| If set, the root is mounted readonly. More... | |
| uint16_t | syssize |
| DO NOT USE - for bootsect.S use only. More... | |
| uint16_t | swap_dev |
| DO NOT USE - obsolete. More... | |
| uint16_t | ram_size |
| DO NOT USE - for bootsect.S use only. More... | |
| uint16_t | vid_mode |
| Video mode control. More... | |
| uint16_t | root_dev |
| Default root device number. More... | |
| uint16_t | boot_flag |
| 0xAA55 magic number More... | |
| uint16_t | jump |
| Jump instruction. More... | |
| uint32_t | header |
| Magic signature "HdrS". More... | |
| uint16_t | version |
| Boot protocol version supported. More... | |
| uint32_t | realmode_swtch |
| Boot loader hook (see below) More... | |
| uint16_t | start_sys |
| The load-low segment (0x1000) (obsolete) More... | |
| uint16_t | kernel_version |
| Pointer to kernel version string. More... | |
| uint8_t | type_of_loader |
| Boot loader identifier. More... | |
| uint8_t | loadflags |
| Boot protocol option flags. More... | |
| uint16_t | setup_move_size |
| Move to high memory size (used with hooks) More... | |
| uint32_t | code32_start |
| Boot loader hook (see below) More... | |
| uint32_t | ramdisk_image |
| initrd load address (set by boot loader) More... | |
| uint32_t | ramdisk_size |
| initrd size (set by boot loader) More... | |
| uint32_t | bootsect_kludge |
| DO NOT USE - for bootsect.S use only. More... | |
| uint16_t | heap_end_ptr |
| Free memory after setup end. More... | |
| uint16_t | pad1 |
| Unused. More... | |
| uint32_t | cmd_line_ptr |
| 32-bit pointer to the kernel command line More... | |
| uint32_t | initrd_addr_max |
| Highest legal initrd address. More... | |
| uint32_t | kernel_alignment |
| Physical addr alignment required for kernel. More... | |
| uint8_t | relocatable_kernel |
| Whether kernel is relocatable or not. More... | |
| uint8_t | pad2 [3] |
| Unused. More... | |
| uint32_t | cmdline_size |
| Maximum size of the kernel command line. More... | |
A bzImage header.
As documented in Documentation/i386/boot.txt
| uint8_t bzimage_header::setup_sects |
The size of the setup in sectors.
If this field contains 0, assume it contains 4.
Definition at line 18 of file bzimage.h.
Referenced by bzimage_parse_header().
| uint16_t bzimage_header::root_flags |
| uint16_t bzimage_header::syssize |
DO NOT USE - for bootsect.S use only.
Definition at line 22 of file bzimage.h.
Referenced by bzimage_parse_header().
| uint16_t bzimage_header::ram_size |
| uint16_t bzimage_header::vid_mode |
Video mode control.
Definition at line 28 of file bzimage.h.
Referenced by bzimage_parse_header(), and bzimage_update_header().
| uint16_t bzimage_header::root_dev |
| uint16_t bzimage_header::boot_flag |
| uint32_t bzimage_header::header |
Magic signature "HdrS".
Definition at line 36 of file bzimage.h.
Referenced by bzimage_parse_header().
| uint16_t bzimage_header::version |
Boot protocol version supported.
Definition at line 38 of file bzimage.h.
Referenced by bzimage_parse_header().
| uint32_t bzimage_header::realmode_swtch |
| uint16_t bzimage_header::start_sys |
| uint16_t bzimage_header::kernel_version |
| uint8_t bzimage_header::type_of_loader |
Boot loader identifier.
Definition at line 46 of file bzimage.h.
Referenced by bzimage_update_header().
| uint8_t bzimage_header::loadflags |
Boot protocol option flags.
Definition at line 48 of file bzimage.h.
Referenced by bzimage_parse_header(), and bzimage_update_header().
| uint16_t bzimage_header::setup_move_size |
Move to high memory size (used with hooks)
Definition at line 50 of file bzimage.h.
Referenced by bzimage_update_header().
| uint32_t bzimage_header::code32_start |
| uint32_t bzimage_header::ramdisk_image |
initrd load address (set by boot loader)
Definition at line 54 of file bzimage.h.
Referenced by bzimage_update_header().
| uint32_t bzimage_header::ramdisk_size |
initrd size (set by boot loader)
Definition at line 56 of file bzimage.h.
Referenced by bzimage_update_header().
| uint32_t bzimage_header::bootsect_kludge |
| uint16_t bzimage_header::heap_end_ptr |
Free memory after setup end.
Definition at line 60 of file bzimage.h.
Referenced by bzimage_update_header().
| uint32_t bzimage_header::cmd_line_ptr |
32-bit pointer to the kernel command line
Definition at line 64 of file bzimage.h.
Referenced by bzimage_update_header().
| uint32_t bzimage_header::initrd_addr_max |
Highest legal initrd address.
Definition at line 66 of file bzimage.h.
Referenced by bzimage_parse_header().
| uint32_t bzimage_header::kernel_alignment |
| uint8_t bzimage_header::relocatable_kernel |
| uint32_t bzimage_header::cmdline_size |
Maximum size of the kernel command line.
Definition at line 74 of file bzimage.h.
Referenced by bzimage_parse_header().
1.8.15