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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 */␊
37boot_args_Legacy *bootArgsLegacy;␊
38boot_args_common *bootArgs;␊
39boot_args_107 *bootArgs107;␊
40/* ... */␊
41␊
42PrivateBootInfo_t *bootInfo;␊
43Node *gMemoryMapNode;␊
44␊
45static char platformName[64];␊
46␊
47void initKernBootStruct( void )␊
48{ ␊
49 static int init_done = 0;␊
50␊
51 if ( !init_done )␊
52 {␉␉␉␊
53 bootArgs = (boot_args_common *)malloc(sizeof(boot_args_common));␊
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_common));␊
59 bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
60␊
61 // Get system memory map. Also update the size of the␊
62 // conventional/extended memory for backwards compatibility.␊
63␉␉␊
64␉␉␉␊
65 bootInfo->memoryMapCount =␊
66 getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
67 (unsigned long *) &bootInfo->convmem,␊
68 (unsigned long *) &bootInfo->extmem );␊
69␉␉␊
70␉␉␊
71␊
72 if ( bootInfo->memoryMapCount == 0 )␊
73 {␊
74 // BIOS did not provide a memory map, systems with␊
75 // discontiguous memory or unusual memory hole locations␊
76 // may have problems.␊
77␊
78 bootInfo->convmem = getConventionalMemorySize();␊
79 bootInfo->extmem = getExtendedMemorySize();␉␉␉␊
80␉␉␉␊
81 }␊
82#if 0␉␉␊
83 bootInfo->configEnd = bootInfo->config;␊
84#endif␊
85 bootArgs->Video.v_display = VGA_TEXT_MODE;␊
86 ␊
87 DT__Initialize();␊
88␊
89␉␉{␊
90␉␉␉Node *node;␊
91␉␉␉node = DT__FindNode("/", true);␊
92␉␉␉if (node == 0) {␊
93␉␉␉␉stop("Couldn't create root node");␊
94␉␉␉}␊
95␉␉␉getPlatformName(platformName);␊
96␉␉␉␊
97␉␉␉{␊
98␉␉␉␉int nameLen;␊
99␉␉␉␉nameLen = strlen(platformName) + 1;␊
100␉␉␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
101␉␉␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
102␉␉␉} ␊
103␉␉}␉␉ ␊
104␊
105 gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
106 ␊
107 init_done = 1;␊
108 }␊
109␊
110}␊
111␊
112#define AllocateKernelMemoryForBootArgs(Ver) \␊
113{ \␊
114␉bootArgs##Ver = (boot_args_##Ver *)AllocateKernelMemory(sizeof(boot_args_##Ver));\␊
115}␊
116␊
117#define CopyCommonBootArgsHeader(Ver) \␊
118{ \␊
119␉bootArgs##Ver->Revision = bootArgs->Header.Revision ;\␊
120␉bootArgs##Ver->Version = bootArgs->Header.Version ;\␊
121}␊
122␊
123// For 10.6, 10.5 and 10.4 please use :Legacy:, for 10.7 use :107:␊
124#define CopyCommonBootArgs(Ver) \␊
125{ \␊
126␉bcopy(bootArgs->CommandLine, bootArgs##Ver->CommandLine, BOOT_LINE_LENGTH);\␊
127␉bootArgs##Ver->MemoryMap = bootArgs->MemoryMap ;\␊
128␉bootArgs##Ver->MemoryMapSize = bootArgs->MemoryMapSize ;\␊
129␉bootArgs##Ver->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize ;\␊
130␉bootArgs##Ver->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion ;\␊
131␉bootArgs##Ver->Video = bootArgs->Video ;\␊
132␉bootArgs##Ver->deviceTreeP = bootArgs->deviceTreeP ;\␊
133␉bootArgs##Ver->deviceTreeLength = bootArgs->deviceTreeLength ;\␊
134␉bootArgs##Ver->kaddr = bootArgs->kaddr ;\␊
135␉bootArgs##Ver->ksize = bootArgs->ksize ;\␊
136␉bootArgs##Ver->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart ;\␊
137␉bootArgs##Ver->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount ;\␊
138␉bootArgs##Ver->efiSystemTable = bootArgs->efiSystemTable ;\␊
139␉bootArgs##Ver->efiMode = bootArgs->efiMode ;\␊
140␉bootArgs##Ver->performanceDataStart = bootArgs->performanceDataStart ;\␊
141␉bootArgs##Ver->performanceDataSize = bootArgs->performanceDataSize ;\␊
142␉bootArgs##Ver->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart ;\␊
143}␊
144␊
145#define init_boot_args(Ver) \␊
146{ \␊
147␉AllocateKernelMemoryForBootArgs(Ver);\␊
148␉CopyCommonBootArgsHeader(Ver);\␊
149␉CopyCommonBootArgs(Ver);\␊
150}␊
151␊
152/* Copy boot args after kernel and record address. */␊
153␊
154void␊
155reserveKern107BootStruct(void)␊
156{␉␊
157␉init_boot_args(107);␊
158␉␊
159␉/* Darwin 10.7 specific boot arguments */␊
160␉bootArgs107->keyStoreDataStart = bootArgs->keyStoreDataStart ;␊
161␉bootArgs107->keyStoreDataSize = bootArgs->keyStoreDataSize ;␊
162␉bootArgs107->bootMemStart = bootArgs->bootMemStart ;␊
163␉bootArgs107->bootMemSize = bootArgs->bootMemSize ;␊
164␉bootArgs107->PhysicalMemorySize = bootArgs->PhysicalMemorySize ;␊
165␉bootArgs107->FSBFrequency = bootArgs->FSBFrequency ;␉␊
166␉bootArgs107->debugMode = bootArgs->debugMode; ␊
167␊
168}␊
169␊
170void␊
171reserveKernLegacyBootStruct(void)␊
172{␊
173␉init_boot_args(Legacy);␊
174}␊
175␊
176void␊
177finalizeBootStruct(void)␊
178{ ␊
179␉{␊
180␉␉int i;␊
181␉␉EfiMemoryRange *memoryMap;␊
182␉␉MemoryRange *range;␊
183␉␉uint64_t␉sane_size = 0; /* Memory size to use for defaults calculations */␊
184␉␉␊
185␉␉int memoryMapCount = bootInfo->memoryMapCount;␊
186␉␉␊
187␉␉if (memoryMapCount == 0) {␊
188␉␉␉␊
189␉␉␉// XXX could make a two-part map here␊
190␉␉␉stop("No memory map found\n");␊
191␉␉}␊
192␉␉␊
193␉␉␊
194␉␉␊
195␉␉// convert memory map to boot_args memory map␊
196␉␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
197␉␉if (memoryMap == NULL) {␊
198␉␉␉␊
199␉␉␉stop("Unable to allocate kernel space for the memory map\n");␊
200␉␉}␊
201␉␉bootArgs->MemoryMap = (uint32_t)memoryMap;␊
202␉␉bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊
203␉␉bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊
204␉␉bootArgs->MemoryMapDescriptorVersion = 0;␊
205␉␉␊
206␉␉for (i=0; i<memoryMapCount; i++, memoryMap++) {␊
207␉␉␉range = &bootInfo->memoryMap[i];␊
208␉␉␉switch(range->type) {␊
209␉␉␉␉case kMemoryRangeACPI:␊
210␉␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
211␉␉␉␉␉break;␊
212␉␉␉␉case kMemoryRangeNVS:␊
213␉␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
214␉␉␉␉␉break;␊
215␉␉␉␉case kMemoryRangeUsable:␊
216␉␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
217␉␉␉␉␉break;␊
218␉␉␉␉case kMemoryRangeReserved:␊
219␉␉␉␉default:␊
220␉␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
221␉␉␉␉␉break;␊
222␉␉␉}␊
223␉␉␉memoryMap->PhysicalStart = range->base;␊
224␉␉␉memoryMap->VirtualStart = range->base;␊
225␉␉␉memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊
226␉␉␉memoryMap->Attribute = 0;␊
227␉␉␉␊
228␉␉␉switch (memoryMap->Type) {␊
229␉␉␉␉case kEfiLoaderCode:␊
230␉␉␉␉case kEfiLoaderData:␊
231␉␉␉␉case kEfiBootServicesCode:␊
232␉␉␉␉case kEfiBootServicesData:␊
233␉␉␉␉case kEfiConventionalMemory:␊
234␉␉␉␉␉/*␊
235␉␉␉␉␉ * Consolidate usable memory types into one.␊
236␉␉␉␉␉ */␊
237␉␉␉␉␉sane_size += (uint64_t)(memoryMap->NumberOfPages << I386_PGSHIFT);␊
238␉␉␉␉␉break;␊
239␉␉␉␉␉␊
240␉␉␉␉case kEfiRuntimeServicesCode:␊
241␉␉␉␉case kEfiRuntimeServicesData:␊
242␉␉␉␉case kEfiACPIReclaimMemory:␊
243␉␉␉␉case kEfiACPIMemoryNVS:␊
244␉␉␉␉case kEfiPalCode:␊
245␉␉␉␉␉/*␊
246␉␉␉␉␉ * sane_size should reflect the total amount of physical ram␊
247␉␉␉␉␉ * in the system, not just the amount that is available for␊
248␉␉␉␉␉ * the OS to use␊
249␉␉␉␉␉ */␊
250␉␉␉␉␉sane_size += (uint64_t)(memoryMap->NumberOfPages << I386_PGSHIFT);␊
251␉␉␉␉␉break;␊
252␉␉␉␉default:␊
253␉␉␉␉␉break;␊
254␉␉␉␉␉␊
255␉␉␉}␊
256␉␉}␊
257␉␉␊
258␉␉if (sane_size == 0) {␊
259␉␉␉␊
260␉␉␉// I Guess that if sane_size == 0 we've got a big problem here, ␊
261␉␉␉// and it means that the memory map was not converted properly␊
262␉␉␉stop("Unable to convert memory map into proper format\n");␊
263␉␉}␊
264␉␉␊
265#define MEG␉␉(1024*1024)␊
266␉␉␊
267␉␉/*␊
268␉␉ * For user visible memory size, round up to 128 Mb - accounting for the various stolen memory␊
269␉␉ * not reported by EFI.␊
270␉␉ */␊
271␉␉␊
272␉␉sane_size = (sane_size + 128 * MEG - 1) & ~((uint64_t)(128 * MEG - 1));␊
273␉␉bootArgs->PhysicalMemorySize = sane_size;␊
274␉␉bootArgs->FSBFrequency = Platform->CPU.FSBFrequency;␊
275␉␊
276␉}␊
277␉␊
278 // add PCI info somehow into device tree␊
279 // XXX␊
280␉␉␊
281␉{␊
282␉␉uint32_t size;␊
283␉␉void *addr;␊
284␉␉// Flatten device tree␊
285␉␉DT__FlattenDeviceTree(0, &size);␊
286␉␉addr = (void *)AllocateKernelMemory(size);␊
287␉␉if (addr == 0) {␊
288␉␉␉stop("Couldn't allocate device tree\n");␊
289␉␉}␊
290␉␉␊
291␉␉DT__FlattenDeviceTree((void **)&addr, &size);␊
292␉␉bootArgs->deviceTreeP = (uint32_t)addr;␊
293␉␉bootArgs->deviceTreeLength = size;␊
294␉} ␊
295 ␊
296}␊
297

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