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Root/tags/2.0/i386/libsaio/bootstruct.c

Source at commit 1808 created 12 years 3 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*␊
2 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊
7 * Reserved. This file contains Original Code and/or Modifications of␊
8 * Original Code as defined in and that are subject to the Apple Public␊
9 * Source License Version 2.0 (the "License").␉You may not use this file␊
10 * except in compliance with the License. Please obtain a copy of the␊
11 * License at http://www.apple.com/publicsource and read it before using␊
12 * this file.␊
13 * ␊
14 * The Original Code and all software distributed under the License are␊
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊
19 * License for the specific language governing rights and limitations␊
20 * under the License.␊
21 * ␊
22 * @APPLE_LICENSE_HEADER_END@␊
23 */␊
24/*␊
25 * Copyright 1993 NeXT, Inc.␊
26 * All rights reserved.␊
27 */␊
28␊
29#include "libsaio.h"␊
30#include "bootstruct.h"␊
31␊
32/*==========================================================================␊
33 * Initialize the structure of parameters passed to␊
34 * the kernel by the booter.␊
35 */␊
36␊
37boot_args␉␉␉*bootArgs;␊
38boot_args_pre_lion␉*bootArgsPreLion;␊
39PrivateBootInfo_t␉*bootInfo;␊
40Node␉␉␉␉*gMemoryMapNode;␊
41␊
42static char platformName[64];␊
43␊
44void initKernBootStruct( void )␊
45{␊
46␉Node *node;␊
47␉int nameLen;␊
48␉static int init_done = 0;␊
49␉␊
50␉if ( !init_done )␊
51␉{␊
52␉␉bootArgs = (boot_args *)malloc(sizeof(boot_args));␊
53␉␉bootArgsPreLion = (boot_args_pre_lion *)malloc(sizeof(boot_args_pre_lion));␊
54␉␉bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊
55␉␉if (bootArgs == 0 || bootInfo == 0)␊
56␉␉␉stop("Couldn't allocate boot info\n");␊
57␉␉␊
58␉␉bzero(bootArgs, sizeof(boot_args));␊
59␉␉bzero(bootArgsPreLion, sizeof(boot_args_pre_lion));␊
60␉␉bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
61␉␉␊
62␉␉// Get system memory map. Also update the size of the␊
63␉␉// conventional/extended memory for backwards compatibility.␊
64␉␉␊
65␉␉bootInfo->memoryMapCount =␊
66␉␉␉getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
67␉␉␉␉␉␉ (unsigned long *) &bootInfo->convmem,␊
68␉␉␉␉␉␉ (unsigned long *) &bootInfo->extmem );␊
69␉␉␊
70␉␉if ( bootInfo->memoryMapCount == 0 )␊
71␉␉{␊
72␉␉␉// BIOS did not provide a memory map, systems with␊
73␉␉␉// discontiguous memory or unusual memory hole locations␊
74␉␉␉// may have problems.␊
75␉␉␉␊
76␉␉␉bootInfo->convmem = getConventionalMemorySize();␊
77␉␉␉bootInfo->extmem = getExtendedMemorySize();␊
78␉␉}␊
79␉␉␊
80␉␉bootInfo->configEnd␉ = bootInfo->config;␊
81␉␉bootArgs->Video.v_display = VGA_TEXT_MODE;␊
82␉␉␊
83␉␉DT__Initialize();␊
84␉␉␊
85␉␉node = DT__FindNode("/", true);␊
86␉␉if (node == 0) {␊
87␉␉␉stop("Couldn't create root node");␊
88␉␉}␊
89␉␉getPlatformName(platformName);␊
90␉␉nameLen = strlen(platformName) + 1;␊
91␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
92␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
93␉␉␊
94␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
95␉␉␊
96␉␉bootArgs->Version = kBootArgsVersion;␊
97␉␉bootArgs->Revision = kBootArgsRevision;␊
98␉␉␊
99␉␉bootArgsPreLion->Version = kBootArgsPreLionVersion;␊
100␉␉bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊
101␉␉␊
102␉␉init_done = 1;␊
103␉}␊
104}␊
105␊
106␊
107/* Copy boot args after kernel and record address. */␊
108␊
109void␊
110reserveKernBootStruct(void)␊
111{␊
112␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0')␊
113␉␉&& (gMacOSVersion[2] == '.') && (gMacOSVersion[3] == '7'))␊
114␉{␊
115␉␉void *oldAddr = bootArgs;␊
116␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
117␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
118␉}␊
119␉else␊
120␉{␊
121␉␉void *oldAddr = bootArgsPreLion;␊
122␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊
123␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊
124␉}␊
125}␊
126␊
127void␊
128finalizeBootStruct(void)␊
129{␊
130␉uint32_t size;␊
131␉void *addr;␊
132␉int i;␊
133␉EfiMemoryRange *memoryMap;␊
134␉MemoryRange *range;␊
135␉int memoryMapCount = bootInfo->memoryMapCount;␊
136␉␊
137␉if (memoryMapCount == 0) {␊
138␉␉// XXX could make a two-part map here␊
139␉␉stop("Unable to convert memory map into proper format\n");␊
140␉}␊
141␉␊
142␉// convert memory map to boot_args memory map␊
143␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
144␉bootArgs->MemoryMap = (uint32_t)memoryMap;␊
145␉bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊
146␉bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊
147␉bootArgs->MemoryMapDescriptorVersion = 0;␊
148␉␊
149␉for (i=0; i<memoryMapCount; i++, memoryMap++) {␊
150␉␉range = &bootInfo->memoryMap[i];␊
151␉␉switch(range->type) {␊
152␉␉␉case kMemoryRangeACPI:␊
153␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
154␉␉␉␉break;␊
155␉␉␉case kMemoryRangeNVS:␊
156␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
157␉␉␉␉break;␊
158␉␉␉case kMemoryRangeUsable:␊
159␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
160␉␉␉␉break;␊
161␉␉␉case kMemoryRangeReserved:␊
162␉␉␉default:␊
163␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
164␉␉␉␉break;␊
165␉␉}␊
166␉␉memoryMap->PhysicalStart = range->base;␊
167␉␉memoryMap->VirtualStart = range->base;␊
168␉␉memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊
169␉␉memoryMap->Attribute = 0;␊
170␉}␊
171␉␊
172␉// copy bootFile into device tree␊
173␉// XXX␊
174␉␊
175␉// add PCI info somehow into device tree␊
176␉// XXX␊
177␉␊
178␉// Flatten device tree␊
179␉DT__FlattenDeviceTree(0, &size);␊
180␉addr = (void *)AllocateKernelMemory(size);␊
181␉if (addr == 0) {␊
182␉␉stop("Couldn't allocate device tree\n");␊
183␉}␊
184␉␊
185␉DT__FlattenDeviceTree((void **)&addr, &size);␊
186␉bootArgs->deviceTreeP = (uint32_t)addr;␊
187␉bootArgs->deviceTreeLength = size;␊
188␉␊
189␉// Copy BootArgs values to older structure␊
190␉␊
191␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
192␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
193␉␊
194␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
195␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
196␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
197␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
198␉␊
199␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊
200␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
201␉␊
202␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
203␉bootArgsPreLion->ksize = bootArgs->ksize;␊
204␉␊
205␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
206␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
207␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
208␉␊
209␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
210␉␊
211␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
212␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
213␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
214}␊
215

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