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Root/branches/iFabio/i386/libsaio/bootstruct.c

Source at commit 214 created 13 years 5 months ago.
By ifabio, update to chameleon trunk 630, and now the pakage folder is the same as blackosx branch, also add Icon "building" into buildpkg script, and add mint theme info into the English localizable.strings.
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;␊
38PrivateBootInfo_t *bootInfo;␊
39Node *gMemoryMapNode;␊
40␊
41static char platformName[64];␊
42␊
43void initKernBootStruct( void )␊
44{␊
45 Node *node;␊
46 int nameLen;␊
47 static int init_done = 0;␊
48␊
49 if ( !init_done )␊
50 {␊
51 bootArgs = (boot_args *)malloc(sizeof(boot_args));␊
52 bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊
53 if (bootArgs == 0 || bootInfo == 0)␊
54 stop("Couldn't allocate boot info\n");␊
55␊
56 bzero(bootArgs, sizeof(boot_args));␊
57 bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
58␊
59 // Get system memory map. Also update the size of the␊
60 // conventional/extended memory for backwards compatibility.␊
61␊
62 bootInfo->memoryMapCount =␊
63 getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
64 (unsigned long *) &bootInfo->convmem,␊
65 (unsigned long *) &bootInfo->extmem );␊
66␊
67 if ( bootInfo->memoryMapCount == 0 )␊
68 {␊
69 // BIOS did not provide a memory map, systems with␊
70 // discontiguous memory or unusual memory hole locations␊
71 // may have problems.␊
72␊
73 bootInfo->convmem = getConventionalMemorySize();␊
74 bootInfo->extmem = getExtendedMemorySize();␊
75 }␊
76␊
77 bootInfo->configEnd = bootInfo->config;␊
78 bootArgs->Video.v_display = VGA_TEXT_MODE;␊
79 ␊
80 DT__Initialize();␊
81␊
82 node = DT__FindNode("/", true);␊
83 if (node == 0) {␊
84 stop("Couldn't create root node");␊
85 }␊
86 getPlatformName(platformName);␊
87 nameLen = strlen(platformName) + 1;␊
88 DT__AddProperty(node, "compatible", nameLen, platformName);␊
89 DT__AddProperty(node, "model", nameLen, platformName);␊
90␊
91 gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
92␊
93 bootArgs->Version = kBootArgsVersion;␊
94 bootArgs->Revision = 5;␊
95␊
96 init_done = 1;␊
97 }␊
98␊
99}␊
100␊
101␊
102/* Copy boot args after kernel and record address. */␊
103␊
104void␊
105reserveKernBootStruct(void)␊
106{␊
107 void *oldAddr = bootArgs;␊
108 bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
109 bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
110}␊
111␊
112void␊
113finalizeBootStruct(void)␊
114{␊
115 uint32_t size;␊
116 void *addr;␊
117 int i;␊
118 EfiMemoryRange *memoryMap;␊
119 MemoryRange *range;␊
120 int memoryMapCount = bootInfo->memoryMapCount;␊
121␊
122 if (memoryMapCount == 0) {␊
123 // XXX could make a two-part map here␊
124 stop("Unable to convert memory map into proper format\n");␊
125 }␊
126␊
127 // convert memory map to boot_args memory map␊
128 memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
129 bootArgs->MemoryMap = (uint32_t)memoryMap;␊
130 bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊
131 bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊
132 bootArgs->MemoryMapDescriptorVersion = 0;␊
133␊
134 for (i=0; i<memoryMapCount; i++, memoryMap++) {␊
135 range = &bootInfo->memoryMap[i];␊
136 switch(range->type) {␊
137␉␉␉case kMemoryRangeACPI:␊
138␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
139␉␉␉␉break;␊
140␉␉␉case kMemoryRangeNVS:␊
141␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
142␉␉␉␉break;␊
143␉␉␉case kMemoryRangeUsable:␊
144␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
145␉␉␉␉break;␊
146␉␉␉case kMemoryRangeReserved:␊
147␉␉␉default:␊
148␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
149␉␉␉␉break;␊
150 }␊
151 memoryMap->PhysicalStart = range->base;␊
152 memoryMap->VirtualStart = range->base;␊
153 memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊
154 memoryMap->Attribute = 0;␊
155 }␊
156 ␊
157 // copy bootFile into device tree␊
158 // XXX␊
159␊
160 // add PCI info somehow into device tree␊
161 // XXX␊
162␊
163 // Flatten device tree␊
164 DT__FlattenDeviceTree(0, &size);␊
165 addr = (void *)AllocateKernelMemory(size);␊
166 if (addr == 0) {␊
167 stop("Couldn't allocate device tree\n");␊
168 }␊
169 ␊
170 DT__FlattenDeviceTree((void **)&addr, &size);␊
171 bootArgs->deviceTreeP = (uint32_t)addr;␊
172 bootArgs->deviceTreeLength = size;␊
173}␊
174

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