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 | ␊ |
37 | boot_args *bootArgs;␊ |
38 | PrivateBootInfo_t *bootInfo;␊ |
39 | Node *gMemoryMapNode;␊ |
40 | ␊ |
41 | static char platformName[64];␊ |
42 | ␊ |
43 | void 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 | ␊ |
104 | void␊ |
105 | reserveKernBootStruct(void)␊ |
106 | {␊ |
107 | void *oldAddr = bootArgs;␊ |
108 | bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊ |
109 | bcopy(oldAddr, bootArgs, sizeof(boot_args));␊ |
110 | }␊ |
111 | ␊ |
112 | void␊ |
113 | finalizeBootStruct(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 | |