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Source at commit 296 created 12 years 10 months ago.
By ifabio, add i386 folder
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 bootArgsPreLion->Version = kBootArgsPreLionVersion;␊
99 bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊
100␊
101 init_done = 1;␊
102 }␊
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') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] == '7'))␊
113 {␊
114␉␉void *oldAddr = bootArgs;␊
115␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
116␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
117␉}␊
118␉else {␊
119␉␉void *oldAddr = bootArgsPreLion;␊
120␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊
121␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊
122␉}␊
123}␊
124␊
125void␊
126finalizeBootStruct(void)␊
127{␊
128 uint32_t size;␊
129 void *addr;␊
130 int i;␊
131 EfiMemoryRange *memoryMap;␊
132 MemoryRange *range;␊
133 int memoryMapCount = bootInfo->memoryMapCount;␊
134␊
135 if (memoryMapCount == 0) {␊
136 // XXX could make a two-part map here␊
137 stop("Unable to convert memory map into proper format\n");␊
138 }␊
139␊
140 // convert memory map to boot_args memory map␊
141 memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
142 bootArgs->MemoryMap = (uint32_t)memoryMap;␊
143 bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊
144 bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊
145 bootArgs->MemoryMapDescriptorVersion = 0;␊
146␊
147 for (i=0; i<memoryMapCount; i++, memoryMap++) {␊
148 range = &bootInfo->memoryMap[i];␊
149 switch(range->type) {␊
150␉␉␉case kMemoryRangeACPI:␊
151␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
152␉␉␉␉break;␊
153␉␉␉case kMemoryRangeNVS:␊
154␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
155␉␉␉␉break;␊
156␉␉␉case kMemoryRangeUsable:␊
157␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
158␉␉␉␉break;␊
159␉␉␉case kMemoryRangeReserved:␊
160␉␉␉default:␊
161␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
162␉␉␉␉break;␊
163 }␊
164 memoryMap->PhysicalStart = range->base;␊
165 memoryMap->VirtualStart = range->base;␊
166 memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊
167 memoryMap->Attribute = 0;␊
168 }␊
169 ␊
170 // copy bootFile into device tree␊
171 // XXX␊
172␊
173 // add PCI info somehow into device tree␊
174 // XXX␊
175␊
176 // Flatten device tree␊
177 DT__FlattenDeviceTree(0, &size);␊
178 addr = (void *)AllocateKernelMemory(size);␊
179 if (addr == 0) {␊
180 stop("Couldn't allocate device tree\n");␊
181 }␊
182 ␊
183 DT__FlattenDeviceTree((void **)&addr, &size);␊
184 bootArgs->deviceTreeP = (uint32_t)addr;␊
185 bootArgs->deviceTreeLength = size;␊
186␊
187␉// Copy BootArgs values to older structure␊
188␊
189␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
190␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
191␊
192␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
193␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
194␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
195␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
196␊
197␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␉ ␊
198␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
199␊
200␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
201␉bootArgsPreLion->ksize = bootArgs->ksize;␊
202␊
203␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
204␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
205␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
206␊
207␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
208␊
209␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
210␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
211␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
212␊
213}␊
214

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