sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-22 21:11:03 +03:00
Code Issues Packages Projects Releases Wiki Activity

Removed the Etherboot-specific ELF-image code and replaced it with a

Browse Source 
generic ELF loader, to be used by the multiboot code.
This commit is contained in:
Michael Brown
2007-01-11 14:44:03 +00:00
parent 10980c12ee
commit 7ad1c2eaa8
4 changed files with 134 additions and 222 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/include/elf.h
View File

@@ -121,6 +121,7 @@
#define ELFMAG3 'F'
#define ELFMAG "\177ELF"
#define SELFMAG 4
#define EI_CLASS 4 /* File class byte index */
#define ELFCLASSNONE 0 /* Invalid class */
@@ -141,6 +142,9 @@
#define ELF32_PHDR_SIZE (8*4) /* Size of an elf program header */
#ifndef ASSEMBLY
#include <stdint.h>
/*
* ELF definitions common to all 32-bit architectures.
*/
@@ -229,6 +233,4 @@ typedef struct {
#endif /* ASSEMBLY */
#include "elf_boot.h"
#endif /* ELF_H */

84
src/include/elf_boot.h
View File

@@ -1,84 +0,0 @@
#ifndef ELF_BOOT_H
#define ELF_BOOT_H
/* This defines the structure of a table of parameters useful for ELF
* bootable images. These parameters are all passed and generated
* by the bootloader to the booted image. For simplicity and
* consistency the Elf Note format is reused.
*
* All of the information must be Position Independent Data.
* That is it must be safe to relocate the whole ELF boot parameter
* block without changing the meaning or correctnes of the data.
* Additionally it must be safe to permute the order of the ELF notes
* to any possible permutation without changing the meaning or correctness
* of the data.
*
*/
#define ELF_BHDR_MAGIC 0x0E1FB007
#ifndef ASSEMBLY
#include <stdint.h>
typedef uint16_t Elf_Half;
typedef uint32_t Elf_Word;
typedef struct Elf_Bhdr
{
Elf_Word b_signature; /* "0x0E1FB007" */
Elf_Word b_size;
Elf_Half b_checksum;
Elf_Half b_records;
} Elf_Bhdr;
typedef struct Elf_Nhdr
{
Elf_Word n_namesz; /* Length of the note's name. */
Elf_Word n_descsz; /* Length of the note's descriptor. */
Elf_Word n_type; /* Type of the note. */
} Elf_Nhdr;
#endif /* ASSEMBLY */
/* Standardized Elf image notes for booting... The name for all of these is ELFBoot */
#define ELF_NOTE_BOOT "ELFBoot"
#define EIN_PROGRAM_NAME 0x00000001
/* The program in this ELF file */
#define EIN_PROGRAM_VERSION 0x00000002
/* The version of the program in this ELF file */
#define EIN_PROGRAM_CHECKSUM 0x00000003
/* ip style checksum of the memory image. */
/* Notes that are passed to a loaded image */
/* For standard notes n_namesz must be zero */
#define EBN_FIRMWARE_TYPE 0x00000001
/* ASCIZ name of the platform firmware. */
#define EBN_BOOTLOADER_NAME 0x00000002
/* This specifies just the ASCIZ name of the bootloader */
#define EBN_BOOTLOADER_VERSION 0x00000003
/* This specifies the version of the bootloader as an ASCIZ string */
#define EBN_COMMAND_LINE 0x00000004
/* This specifies a command line that can be set by user interaction,
* and is provided as a free form ASCIZ string to the loaded image.
*/
#define EBN_NOP 0x00000005
/* A note nop note has no meaning, useful for inserting explicit padding */
#define EBN_LOADED_IMAGE 0x00000006
/* An ASCIZ string naming the loaded image */
/* Etherboot specific notes */
#define EB_PARAM_NOTE "Etherboot"
#define EB_IA64_SYSTAB 0x00000001
#define EB_IA64_MEMMAP 0x00000002
#define EB_IA64_FPSWA 0x00000003
#define EB_IA64_CONINFO 0x00000004
#define EB_BOOTP_DATA 0x00000005
#define EB_HEADER 0x00000006
#define EB_IA64_IMAGE_HANDLE 0x00000007
#define EB_I386_MEMMAP 0x00000008
#endif /* ELF_BOOT_H */