git.saurik.com Git - apple/xnu.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (c) 2000 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	* This module only exists because I don't know how to get the silly C compiler
	24	* and/or linker to generate data areas that are aligned on a particular boundary.
	25	* And, this stuff is in the V=R mapped area.
	26	*
	27	* Do the following for each:
	28	*
	29	* .size name,size-in-bytes
	30	* .type area-name,@object
	31	* .globl area-name
	32	* .align power-of-two
	33	* area-name:
	34	* .set .,.+size-in-bytes
	35	*
	36	* So long as I'm being pedantic, always make sure that the most aligned,
	37	* i.e., the largest power-of-twos, are first and then descend to the smallest.
	38	* If you don't, and you are not careful and hand calculate, you'll end up
	39	* with holes and waste storage. I hate C.
	40	*
	41	* Define the sizes in genassym.c
	42	*/
	43
	44
	45	#include <debug.h>
	46	#include <ppc/asm.h>
	47	#include <ppc/proc_reg.h>
	48	#include <ppc/spec_reg.h>
	49	#include <mach/ppc/vm_param.h>
	50	#include <assym.s>
	51
	52	.data
	53
	54	/* 4096-byte aligned areas */
	55
	56	.globl EXT(PerProcTable)
	57	.align 12
	58	EXT(PerProcTable): ; Per processor table
	59	.space (ppeSize*MAX_CPUS),0 ; (filled with 0s)
	60
	61	.globl EXT(BootProcInfo)
	62	.align 12
	63	EXT(BootProcInfo): ; Per processor data area
	64	.space ppSize,0 ; (filled with 0s)
	65
	66	/* 512-byte aligned areas */
	67
	68	.globl EXT(kernel_pmap_store) ; This is the kernel_pmap
	69	.align 8
	70	EXT(kernel_pmap_store):
	71	.set .,.+pmapSize
	72
	73
	74	/* 256-byte aligned areas */
	75
	76	.globl EXT(GratefulDebWork)
	77	.align 8
	78	EXT(GratefulDebWork): ; Enough for 2 rows of 8 chars of 16-pixel wide 32-bit pixels and a 256 byte work area
	79	.set .,.+2560
	80
	81	.globl debstash
	82	.align 8
	83	debstash:
	84	.set .,.+256
	85
	86	/* 128-byte aligned areas */
	87
	88	.globl EXT(mapCtl)
	89	.align 7
	90	EXT(mapCtl):
	91	.set .,.+mapcsize
	92
	93	.globl fwdisplock
	94	.align 7
	95	fwdisplock:
	96	.set .,.+128
	97
	98	.globl EXT(free_mappings)
	99	.align 7
	100
	101	EXT(free_mappings):
	102	.long 0
	103
	104	.globl EXT(NMIss)
	105	.align 7
	106	EXT(NMIss):
	107	.long 0
	108	.long 0
	109	.long 0
	110	.long 0
	111	.long 0
	112	.long 0
	113	.long 0
	114	.long 0
	115
	116	/* 32-byte aligned areas */
	117
	118	.globl EXT(dbvecs)
	119	.align 5
	120	EXT(dbvecs):
	121	.set .,.+(33*16)
	122
	123	.globl hexfont
	124	.align 5
	125	#include <ppc/hexfont.h>
	126
	127	.globl EXT(QNaNbarbarian)
	128	.align 5
	129
	130	EXT(QNaNbarbarian):
	131	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	132	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	133	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	134	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	135
	136	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	137	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	138	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	139	.long 0x7FFFDEAD /* This is a quiet not-a-number which is a "known" debug value */
	140
	141	/* 8-byte aligned areas */
	142
	143	.globl EXT(FloatInit)
	144	.align 3
	145
	146	EXT(FloatInit):
	147	.long 0xC24BC195 /* Initial value */
	148	.long 0x87859393 /* of floating point registers */
	149	.long 0xE681A2C8 /* and others */
	150	.long 0x8599855A
	151
	152	.globl EXT(DebugWork)
	153	.align 3
	154
	155	EXT(DebugWork):
	156	.long 0
	157	.long 0
	158	.long 0
	159	.long 0
	160
	161	.globl EXT(dbfloats)
	162	.align 3
	163	EXT(dbfloats):
	164	.set .,.+(33*8)
	165
	166	.globl EXT(dbspecrs)
	167	.align 3
	168	EXT(dbspecrs):
	169	.set .,.+(336*4)
	170
	171	/*
	172	* Boot processor Interrupt and debug stacks go here.
	173	*/
	174
	175	/* in the __HIB section since the hibernate restore code uses this stack. */
	176	.section __HIB, __data
	177
	178	.align PPC_PGSHIFT
	179
	180	.globl EXT(intstack)
	181	EXT(intstack):
	182	.globl EXT(gIOHibernateRestoreStack)
	183	EXT(gIOHibernateRestoreStack):
	184
	185	.set .,.+INTSTACK_SIZE
	186
	187	.globl EXT(gIOHibernateRestoreStackEnd)
	188	EXT(gIOHibernateRestoreStackEnd):
	189
	190	/* back to the regular __DATA section. */
	191
	192	.section __DATA, __data
	193	.align PPC_PGSHIFT
	194
	195	/* Debugger stack - used by the debugger if present */
	196
	197	.globl EXT(debstack)
	198	EXT(debstack):
	199	.set ., .+KERNEL_STACK_SIZE
	200
	201	.section __DATA, __data
	202
	203