#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_BOOT_MAGIC		0x0E1FB007 #ifndef ASSEMBLY#include <stdint.h>typedef uint16_t Elf_Half;typedef uint32_t Elf_Word;typedef uint64_t Elf_Xword; /* * Elf boot notes... */ typedef struct Elf_Bhdr{	Elf_Word b_signature; /* "0x0E1FB007" */	Elf_Word b_size;	Elf_Half b_checksum;	Elf_Half b_records;} Elf_Bhdr; /*  * ELF Notes. */ 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. */  /* Linux image notes for booting... The name for all of these is Linux */ #if 0#define LIN_COMMAND_LINE_PTR	0x00000006/* Pointer to the command line to pass to the loaded kernel. */#define LIN_INITRD_START_PTR	0x00000007/* Pointer to the start of the ramdisk in bytes */#define LIN_INITRD_SIZE_PTR	0x00000008/* Pointer to the size of the ramdisk in bytes */#define LIN_VID_MODE_PTR	0x00000009/* Pointer to the vid_mode parameter */#endif /* 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 /* For standard notes n_namesz must be zero *//* All of the following standard note types provide a single null * terminated string in the descriptor. */#define EBN_FIRMWARE_TYPE	0x00000001/* On platforms that support multiple classes of firmware this field * specifies the class of firmware you are loaded under. */#define EBN_BOOTLOADER_NAME	0x00000002/* This specifies just the name of the bootloader for easy comparison */#define EBN_BOOTLOADER_VERSION	0x00000003/* This specifies the version of the bootlader */#define EBN_COMMAND_LINE	0x00000004/* This specifies a command line that can be set by user interaction, * and is provided as a free form string to the loaded image. */ #endif /* ELF_BOOT_H */