lowmem_vectors.s   [plain text]


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/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * 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
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 * any improvements or extensions that they make and grant Carnegie Mellon
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 */

#include <platforms.h>
#include <mach_kdb.h>
#include <mach_kdp.h>

#include <i386/asm.h>
#include <i386/proc_reg.h>
#include <i386/postcode.h>
#include <assym.s>


/* 
 * on x86_64 the low mem vectors live here and get mapped to 0xffffff8000200000 at
 * system startup time
 */

	.text
	.align	12
	.globl	EXT(lowGlo)
EXT(lowGlo):

	.ascii "Catfish "	/* +0x000 System verification code */
	.quad   0			/* +0x008 Double constant 0 */
	.quad   0
	.quad	0			/* +0x018 Reserved */
	.quad	0				/* +0x020 Reserved */
	.quad	0				/* +0x028 Reserved */
	.quad	EXT(version)	/* +0x030 Pointer to kernel version string */
	.fill	560, 4, 0		/* +0x038 Reserved - rdar://problem/5783217 */
	.quad	EXT(kmod)		/* +0x8f8 Pointer to kmod, debugging aid */
#if MACH_KDP
	.quad	EXT(kdp_trans_off)	/* +0x900 Pointer to kdp_trans_off, debugging aid */
	.quad	EXT(kdp_read_io)	/* +0x908 Pointer to kdp_read_io, debugging aid */
#else
	.quad	0			/* +0x900 Reserved */
	.quad	0			/* +0x908 Reserved */
#endif
	.quad	0			/* +0x910 Reserved for developer use */
	.quad	0			/* +0x918 Reserved for developer use */
	.quad	EXT(osversion)		/* +0x920 Pointer to osversion string */
#if MACH_KDP
	.quad	EXT(flag_kdp_trigger_reboot) /* +0x928 Pointer to debugger reboot trigger */
	.quad	EXT(manual_pkt)              /* +0x930 Pointer to manual packet structure */
#else
	.quad	0			/* +0x928 Reserved */
	.quad	0			/* +0x930 Reserved */
#endif	
	.fill	434, 4, 0	/* pad to 0x1000 (page size) - rdar://problem/5783217 */