| 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 | #include "platform.h"␊ |
| 32 | ␊ |
| 33 | /*==========================================================================␊ |
| 34 | * Initialize the structure of parameters passed to␊ |
| 35 | * the kernel by the booter.␊ |
| 36 | */␊ |
| 37 | boot_args_legacy *bootArgsLegacy;␊ |
| 38 | boot_args *bootArgs;␊ |
| 39 | PrivateBootInfo_t *bootInfo;␊ |
| 40 | Node *gMemoryMapNode;␊ |
| 41 | ␊ |
| 42 | static char platformName[64];␊ |
| 43 | ␊ |
| 44 | void 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 | bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊ |
| 54 | if (bootArgs == 0 || bootInfo == 0)␊ |
| 55 | stop("Couldn't allocate boot info\n");␊ |
| 56 | ␊ |
| 57 | bzero(bootArgs, sizeof(boot_args));␊ |
| 58 | bzero(bootInfo, sizeof(PrivateBootInfo_t));␊ |
| 59 | ␊ |
| 60 | // Get system memory map. Also update the size of the␊ |
| 61 | // conventional/extended memory for backwards compatibility.␊ |
| 62 | ␉␉␊ |
| 63 | ␉␉␉␊ |
| 64 | bootInfo->memoryMapCount =␊ |
| 65 | getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊ |
| 66 | (unsigned long *) &bootInfo->convmem,␊ |
| 67 | (unsigned long *) &bootInfo->extmem );␊ |
| 68 | ␉␉␊ |
| 69 | ␉␉␊ |
| 70 | ␊ |
| 71 | if ( bootInfo->memoryMapCount == 0 )␊ |
| 72 | {␊ |
| 73 | // BIOS did not provide a memory map, systems with␊ |
| 74 | // discontiguous memory or unusual memory hole locations␊ |
| 75 | // may have problems.␊ |
| 76 | ␊ |
| 77 | bootInfo->convmem = getConventionalMemorySize();␊ |
| 78 | bootInfo->extmem = getExtendedMemorySize();␉␉␉␊ |
| 79 | ␉␉␉␊ |
| 80 | }␊ |
| 81 | ␉␉␉␉␉␉␊ |
| 82 | bootInfo->configEnd = bootInfo->config;␊ |
| 83 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
| 84 | ␊ |
| 85 | DT__Initialize();␊ |
| 86 | ␊ |
| 87 | node = DT__FindNode("/", true);␊ |
| 88 | if (node == 0) {␊ |
| 89 | stop("Couldn't create root node");␊ |
| 90 | }␊ |
| 91 | getPlatformName(platformName);␊ |
| 92 | nameLen = strlen(platformName) + 1;␊ |
| 93 | DT__AddProperty(node, "compatible", nameLen, platformName);␊ |
| 94 | DT__AddProperty(node, "model", nameLen, platformName);␊ |
| 95 | ␊ |
| 96 | gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊ |
| 97 | ␊ |
| 98 | init_done = 1;␊ |
| 99 | }␊ |
| 100 | ␊ |
| 101 | }␊ |
| 102 | ␊ |
| 103 | ␊ |
| 104 | /* Copy boot args after kernel and record address. */␊ |
| 105 | ␊ |
| 106 | void␊ |
| 107 | reserveKernBootStruct(void)␊ |
| 108 | {␊ |
| 109 | void *oldAddr = bootArgs;␉␊ |
| 110 | ␉␊ |
| 111 | bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊ |
| 112 | bcopy(oldAddr, bootArgs, sizeof(boot_args));␊ |
| 113 | ␉␉␊ |
| 114 | }␊ |
| 115 | ␊ |
| 116 | void␊ |
| 117 | reserveKernLegacyBootStruct(void)␊ |
| 118 | { ␊ |
| 119 | bootArgsLegacy = (boot_args_legacy *)AllocateKernelMemory(sizeof(boot_args_legacy));␊ |
| 120 | ␊ |
| 121 | ␉bootArgsLegacy->Revision = bootArgs->Revision ;␊ |
| 122 | ␉bootArgsLegacy->Version = bootArgs->Version ;␊ |
| 123 | ␉bcopy(bootArgs->CommandLine, bootArgsLegacy->CommandLine, BOOT_LINE_LENGTH);␊ |
| 124 | ␉bootArgsLegacy->MemoryMap = bootArgs->MemoryMap ;␊ |
| 125 | ␉bootArgsLegacy->MemoryMapSize = bootArgs->MemoryMapSize ;␊ |
| 126 | ␉bootArgsLegacy->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize ;␊ |
| 127 | ␉bootArgsLegacy->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion ;␊ |
| 128 | ␉bootArgsLegacy->Video = bootArgs->Video ;␊ |
| 129 | ␉bootArgsLegacy->deviceTreeP = bootArgs->deviceTreeP ;␊ |
| 130 | ␉bootArgsLegacy->deviceTreeLength = bootArgs->deviceTreeLength ;␊ |
| 131 | ␉bootArgsLegacy->kaddr = bootArgs->kaddr ;␊ |
| 132 | ␉bootArgsLegacy->ksize = bootArgs->ksize ;␊ |
| 133 | ␉bootArgsLegacy->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart ;␊ |
| 134 | ␉bootArgsLegacy->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount ;␊ |
| 135 | ␉bootArgsLegacy->efiSystemTable = bootArgs->efiSystemTable ;␊ |
| 136 | ␉bootArgsLegacy->efiMode = bootArgs->efiMode ;␊ |
| 137 | ␉bootArgsLegacy->performanceDataStart = bootArgs->performanceDataStart ;␊ |
| 138 | ␉bootArgsLegacy->performanceDataSize = bootArgs->performanceDataSize ;␊ |
| 139 | ␉bootArgsLegacy->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart ;␊ |
| 140 | ␊ |
| 141 | ␉␊ |
| 142 | }␊ |
| 143 | ␊ |
| 144 | void␊ |
| 145 | finalizeBootStruct(void)␊ |
| 146 | {␊ |
| 147 | uint32_t size;␊ |
| 148 | void *addr;␊ |
| 149 | int i;␊ |
| 150 | EfiMemoryRange *memoryMap;␊ |
| 151 | MemoryRange *range;␊ |
| 152 | ␉uint64_t␉sane_size = 0; /* Memory size to use for defaults calculations */␊ |
| 153 | ␉␊ |
| 154 | int memoryMapCount = bootInfo->memoryMapCount;␊ |
| 155 | ␊ |
| 156 | if (memoryMapCount == 0) {␊ |
| 157 | ␉␉␊ |
| 158 | // XXX could make a two-part map here␊ |
| 159 | stop("Unable to convert memory map into proper format\n");␊ |
| 160 | }␊ |
| 161 | ␊ |
| 162 | // convert memory map to boot_args memory map␊ |
| 163 | memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊ |
| 164 | bootArgs->MemoryMap = (uint32_t)memoryMap;␊ |
| 165 | bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊ |
| 166 | bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊ |
| 167 | bootArgs->MemoryMapDescriptorVersion = 0;␊ |
| 168 | ␊ |
| 169 | for (i=0; i<memoryMapCount; i++, memoryMap++) {␊ |
| 170 | range = &bootInfo->memoryMap[i];␊ |
| 171 | switch(range->type) {␊ |
| 172 | ␉␉␉case kMemoryRangeACPI:␊ |
| 173 | ␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊ |
| 174 | ␉␉␉␉break;␊ |
| 175 | ␉␉␉case kMemoryRangeNVS:␊ |
| 176 | ␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊ |
| 177 | ␉␉␉␉break;␊ |
| 178 | ␉␉␉case kMemoryRangeUsable:␊ |
| 179 | ␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊ |
| 180 | ␉␉␉␉break;␊ |
| 181 | ␉␉␉case kMemoryRangeReserved:␊ |
| 182 | ␉␉␉default:␊ |
| 183 | ␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊ |
| 184 | ␉␉␉␉break;␊ |
| 185 | }␊ |
| 186 | memoryMap->PhysicalStart = range->base;␊ |
| 187 | memoryMap->VirtualStart = range->base;␊ |
| 188 | memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊ |
| 189 | memoryMap->Attribute = 0;␊ |
| 190 | ␉␉␊ |
| 191 | ␉␉switch (memoryMap->Type) {␊ |
| 192 | ␉␉␉case kEfiLoaderCode:␊ |
| 193 | ␉␉␉case kEfiLoaderData:␊ |
| 194 | ␉␉␉case kEfiBootServicesCode:␊ |
| 195 | ␉␉␉case kEfiBootServicesData:␊ |
| 196 | ␉␉␉case kEfiConventionalMemory:␊ |
| 197 | ␉␉ /*␊ |
| 198 | ␉␉␉␉ * Consolidate usable memory types into one.␊ |
| 199 | ␉␉␉␉ */␊ |
| 200 | ␉␉ sane_size += (uint64_t)(memoryMap->NumberOfPages << I386_PGSHIFT);␊ |
| 201 | ␉␉␉␉break;␊ |
| 202 | ␉␉␉␉␊ |
| 203 | ␉␉␉case kEfiRuntimeServicesCode:␊ |
| 204 | ␉␉␉case kEfiRuntimeServicesData:␊ |
| 205 | ␉␉␉case kEfiACPIReclaimMemory:␊ |
| 206 | ␉␉␉case kEfiACPIMemoryNVS:␊ |
| 207 | ␉␉␉case kEfiPalCode:␊ |
| 208 | ␉␉␉␉/*␊ |
| 209 | ␉␉␉␉ * sane_size should reflect the total amount of physical ram␊ |
| 210 | ␉␉␉␉ * in the system, not just the amount that is available for␊ |
| 211 | ␉␉␉␉ * the OS to use␊ |
| 212 | ␉␉␉␉ */␊ |
| 213 | ␉␉ sane_size += (uint64_t)(memoryMap->NumberOfPages << I386_PGSHIFT);␊ |
| 214 | ␉␉␉␉break;␊ |
| 215 | ␉␉␉␉␊ |
| 216 | ␉␉}␊ |
| 217 | }␊ |
| 218 | ␊ |
| 219 | ␉␊ |
| 220 | #define MEG␉␉(1024*1024)␊ |
| 221 | ␉␊ |
| 222 | ␉/*␊ |
| 223 | ␉ * For user visible memory size, round up to 128 Mb - accounting for the various stolen memory␊ |
| 224 | ␉ * not reported by EFI.␊ |
| 225 | ␉ */␊ |
| 226 | ␉␊ |
| 227 | ␉sane_size = (sane_size + 128 * MEG - 1) & ~((uint64_t)(128 * MEG - 1));␊ |
| 228 | ␉bootArgs->PhysicalMemorySize = sane_size;␊ |
| 229 | ␉bootArgs->FSBFrequency = Platform->CPU.FSBFrequency;␊ |
| 230 | ␉␊ |
| 231 | ␉// copy bootFile into device tree␊ |
| 232 | // XXX␊ |
| 233 | ␊ |
| 234 | // add PCI info somehow into device tree␊ |
| 235 | // XXX␊ |
| 236 | ␉␉␉␊ |
| 237 | // Flatten device tree␊ |
| 238 | DT__FlattenDeviceTree(0, &size);␊ |
| 239 | addr = (void *)AllocateKernelMemory(size);␊ |
| 240 | if (addr == 0) {␊ |
| 241 | stop("Couldn't allocate device tree\n");␊ |
| 242 | }␊ |
| 243 | ␊ |
| 244 | DT__FlattenDeviceTree((void **)&addr, &size);␊ |
| 245 | bootArgs->deviceTreeP = (uint32_t)addr;␊ |
| 246 | bootArgs->deviceTreeLength = size;␊ |
| 247 | }␊ |
| 248 | |
