lowmem_vectors.c   [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
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

#include <mach_kdp.h>
#include <mach/vm_param.h>
#include <x86_64/lowglobals.h>

/*
 * on x86_64 the low mem vectors live here and get mapped to 0xffffff8000002000 at
 * system startup time
 */

extern void     *version;
extern void     *kmod;
extern void     *kdp_trans_off;
extern void     *kdp_read_io;
extern void     *osversion;
extern void     *flag_kdp_trigger_reboot;
extern void     *manual_pkt;
extern void     *kdp_jtag_coredump;

lowglo lowGlo __attribute__ ((aligned(PAGE_SIZE))) = {
	.lgVerCode              = { 'C', 'a', 't', 'f', 'i', 's', 'h', ' ' },

	.lgVersion              = (uint64_t) &version,

	.lgKmodptr              = (uint64_t) &kmod,

#if MACH_KDP
	.lgTransOff             = (uint64_t) &kdp_trans_off,
	.lgReadIO               = (uint64_t) &kdp_read_io,
#else
	.lgTransOff             = 0,
	.lgReadIO               = 0,
#endif

	.lgDevSlot1             = 0,
	.lgDevSlot2             = 0,

	.lgOSVersion            = (uint64_t) &osversion,

#if MACH_KDP
	.lgRebootFlag           = (uint64_t) &flag_kdp_trigger_reboot,
	.lgManualPktAddr        = (uint64_t) &manual_pkt,
#else
	.lgRebootFlag           = 0,
	.lgManualPktAddr        = 0,
#endif
	.lgKdpJtagCoredumpAddr  = (uint64_t) &kdp_jtag_coredump
};