mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/* $FreeBSD$ */
|
|
/*
|
|
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
/*
|
|
* The boot program passes a pointer (in the boot environment virtual
|
|
* address address space; "BEVA") to a bootinfo to the kernel using
|
|
* the following convention:
|
|
*
|
|
* a0 contains first free page frame number
|
|
* a1 contains page number of current level 1 page table
|
|
* if a2 contains BOOTINFO_MAGIC and a4 is nonzero:
|
|
* a3 contains pointer (BEVA) to bootinfo
|
|
* a4 contains bootinfo version number
|
|
* if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat):
|
|
* a3 contains pointer (BEVA) to bootinfo version
|
|
* (u_long), then the bootinfo
|
|
*/
|
|
|
|
#define BOOTINFO_MAGIC 0xdeadbeeffeedface
|
|
|
|
struct bootinfo {
|
|
u_int64_t bi_magic; /* BOOTINFO_MAGIC */
|
|
u_int64_t bi_version; /* version 1 */
|
|
u_int64_t bi_spare[7]; /* was: name of booted kernel */
|
|
u_int64_t bi_fpswa; /* FPSWA interface */
|
|
u_int64_t bi_boothowto; /* value for boothowto */
|
|
u_int64_t bi_systab; /* pa of EFI system table */
|
|
u_int64_t bi_memmap; /* pa of EFI memory map */
|
|
u_int64_t bi_memmap_size; /* size of EFI memory map */
|
|
u_int64_t bi_memdesc_size; /* sizeof EFI memory desc */
|
|
u_int32_t bi_memdesc_version; /* EFI memory desc version */
|
|
u_int64_t bi_symtab; /* start of kernel sym table */
|
|
u_int64_t bi_esymtab; /* end of kernel sym table */
|
|
u_int64_t bi_kernend; /* end of kernel space */
|
|
u_int64_t bi_envp; /* environment */
|
|
u_int64_t bi_modulep; /* preloaded modules */
|
|
};
|
|
|
|
extern struct bootinfo bootinfo;
|