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	1	/*
	2	* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Header files for the Low Memory Globals (lg)
	24	*/
	25	#ifndef _LOW_MEMORY_GLOBALS_H_
	26	#define _LOW_MEMORY_GLOBALS_H_
	27
	28	#include <mach/mach_types.h>
	29	#include <mach/vm_types.h>
	30	#include <mach/machine/vm_types.h>
	31	#include <mach/vm_prot.h>
	32	#include <ppc/proc_reg.h>
	33	#include <ppc/savearea.h>
	34	#include <ppc/low_trace.h>
	35	#include <ppc/Diagnostics.h>
	36	#include <ppc/mappings.h>
	37
	38	/*
	39	* Don't change these structures unless you change the corresponding assembly code
	40	* which is in lowmem_vectors.s
	41	*/
	42
	43	/*
	44	* This is where we put constants, pointers, and data areas that must be accessed
	45	* quickly through assembler. They are designed to be accessed directly with
	46	* absolute addresses, not via a base register. This is a global area, and not
	47	* per processor.
	48	*/
	49
	50	#pragma pack(4) /* Make sure the structure stays as we defined it */
	51	typedef struct lowglo {
	52
	53	unsigned long lgForceAddr[51024]; / 0000 Force to page 5 */
	54	unsigned char lgVerCode[8]; /* 5000 System verification code */
	55	unsigned long long lgZero; /* 5008 Double constant 0 */
	56	unsigned int lgPPStart; /* 5010 Start of per_proc blocks */
	57	unsigned int lgCHUDXNUfnStart; /* 5014 CHUD XNU function glue table */
	58	unsigned int lgMckFlags; /* 5018 Machine check flags */
	59	unsigned int lgVersion; /* 501C Pointer to kernel version string */
	60	uint64_t lgPMWvaddr; /* 5020 physical memory window virtual address */
	61	uint64_t lgUMWvaddr; /* 5028 user memory window virtual address */
	62	unsigned int lgVMMforcedFeats; /* 5030 VMM boot-args forced feature flags */
	63	unsigned int lgRsv034[19]; /* 5034 reserved */
	64	traceWork lgTrcWork; /* 5080 Tracing control block - trcWork */
	65	unsigned int lgRsv0A0[24]; /* 50A0 reserved */
	66	struct Saveanchor lgSaveanchor; /* 5100 Savearea anchor - saveanchor */
	67	unsigned int lgRsv140[16]; /* 5140 reserved */
	68	unsigned int lgTlbieLck; /* 5180 TLBIE lock */
	69	unsigned int lgRsv184[31]; /* 5184 reserved - push to next line */
	70	struct diagWork lgdgWork; /* 5200 Start of diagnostic work area */
	71	unsigned int lglcksWork; /* 5220 lcks option */
	72	unsigned int lgRsv224[23]; /* 5224 reserved */
	73	pcfg lgpPcfg[8]; /* 5280 Page configurations */
	74	unsigned int lgRst2A0[24]; /* 52A0 reserved */
	75	unsigned int lgKillResv; /* 5300 line used to kill reservations */
	76	unsigned int lgKillResvpad[31]; /* 5304 pad reservation kill line */
	77
	78	unsigned int lgRsv380[32]; /* 5380 - 5400 reserved */
	79
	80	unsigned int lgRsv400[32]; /* 5400 - 5480 reserved */
	81
	82	uint32_t lgRsv480[704]; /* 5480 reserved - push to 1 page */
	83
	84	} lowglo;
	85
	86	extern lowglo lowGlo;
	87
	88	#endif /* _LOW_MEMORY_GLOBALS_H_ */