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