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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 "boot.h"␊
31#include "bootstruct.h"␊
32␊
33#ifndef DEBUG_BOOTSTRUCT␊
34␉#define DEBUG_BOOTSTRUCT 0␊
35#endif␊
36␊
37#if DEBUG_BOOTSTRUCT␊
38␉#define DBG(x...)␉printf(x)␊
39#else␊
40␉#define DBG(x...)␉msglog(x)␊
41#endif␊
42␊
43/*==========================================================================␊
44 * Initialize the structure of parameters passed to␊
45 * the kernel by the booter.␊
46 */␊
47␊
48boot_args␉␉*bootArgs␉= NULL;␊
49boot_args_legacy␉*bootArgsLegacy␉= NULL;␊
50␊
51PrivateBootInfo_t␉*bootInfo␉= NULL;␊
52Node␉␉␉*gMemoryMapNode;␊
53␊
54static char platformName[64];␊
55␊
56void initKernBootStruct( void )␊
57{␊
58␉Node *node;␊
59␉int nameLen;␊
60␊
61␉static int init_done = 0;␊
62␊
63␉if ( !init_done )␊
64␉{␊
65␉␉bootArgs = (boot_args *)malloc(sizeof(boot_args));␊
66␉␉bootArgsLegacy = (boot_args_legacy *)malloc(sizeof(boot_args_legacy));␊
67␉␉bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊
68␊
69␉␉if (bootArgs == 0 || bootArgsLegacy == 0 || bootInfo == 0)␊
70␉␉{␊
71␉␉␉stop("Couldn't allocate boot info\n");␊
72␉␉}␊
73␊
74␉␉bzero(bootArgs, sizeof(boot_args));␊
75␉␉bzero(bootArgsLegacy, sizeof(boot_args_legacy));␊
76␉␉bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
77␊
78␉␉// Get system memory map. Also update the size of the␊
79␉␉// conventional/extended memory for backwards compatibility.␊
80␊
81␉␉bootInfo->memoryMapCount =␊
82␉␉␉getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
83␉␉␉␉␉␉ (unsigned long *) &bootInfo->convmem,␊
84␉␉␉␉␉␉ (unsigned long *) &bootInfo->extmem );␊
85␊
86␉␉if ( bootInfo->memoryMapCount == 0 )␊
87␉␉{␊
88␉␉␉// BIOS did not provide a memory map, systems with␊
89␉␉␉// discontiguous memory or unusual memory hole locations␊
90␉␉␉// may have problems.␊
91␊
92␉␉␉bootInfo->convmem␉= getConventionalMemorySize();␊
93␉␉␉bootInfo->extmem␉= getExtendedMemorySize();␊
94␉␉}␊
95␊
96␉␉bootInfo->configEnd␉␉= bootInfo->config;␊
97␉␉bootArgs->Video.v_display␉= VGA_TEXT_MODE;␊
98␊
99␉␉DT__Initialize();␊
100␊
101␉␉node = DT__FindNode("/", true);␊
102␉␉if (node == 0)␊
103␉␉{␊
104␉␉␉stop("Couldn't create root node");␊
105␉␉}␊
106␊
107␉␉getPlatformName(platformName, sizeof(platformName));␊
108␊
109␉␉nameLen = strlen(platformName) + 1;␊
110␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
111␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
112␊
113␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
114␊
115␉␉bootArgs->Version = kBootArgsVersion;␊
116␉␉bootArgs->Revision = kBootArgsRevision;␊
117␊
118␉␉bootArgsLegacy->Version = kBootArgsLegacyVersion;␊
119␉␉bootArgsLegacy->Revision = kBootArgsLegacyRevision;␊
120␊
121␉␉init_done = 1;␊
122␉}␊
123}␊
124␊
125/* Copy boot args after kernel and record address. */␊
126␊
127void reserveKernBootStruct(void)␊
128{␊
129␉if ( MacOSVerCurrent < MacOSVer2Int("10.7") )␊
130␉{␊
131␉␉// for 10.4 10.5 10.6␊
132␉␉void *oldAddr = bootArgsLegacy;␊
133␉␉bootArgsLegacy = (boot_args_legacy *)AllocateKernelMemory(sizeof(boot_args_legacy));␊
134␉␉bcopy(oldAddr, bootArgsLegacy, sizeof(boot_args_legacy));␊
135␉}␊
136␉else␊
137␉{␊
138␉␉// for 10.7 10.8 10.9 10.10 10.11␊
139␉␉void *oldAddr = bootArgs;␊
140␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
141␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
142␉}␊
143}␊
144␊
145//==============================================================================␊
146␊
147void finalizeBootStruct(void)␊
148{␊
149␉uint32_t size;␊
150␉void *addr;␊
151␉int i;␊
152␊
153␉EfiMemoryRange␉*memoryMap␉= NULL;␊
154␉MemoryRange␉*range␉␉= NULL;␊
155␉int memoryMapCount = bootInfo->memoryMapCount;␊
156␊
157␉if (memoryMapCount == 0)␊
158␉{␊
159␉␉// XXX could make a two-part map here␊
160␉␉stop("No memory map found!\n");␊
161␉␉return;␊
162␉}␊
163␊
164␉// convert memory map to boot_args memory map␊
165␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
166␉if (memoryMap == NULL)␊
167␉{␊
168␉␉stop("Unable to allocate kernel space for the memory map!\n");␊
169␉␉return;␊
170␉}␊
171␊
172␉bootArgs->MemoryMap␉␉␉= (uint32_t)memoryMap;␊
173␉bootArgs->MemoryMapSize␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊
174␉bootArgs->MemoryMapDescriptorSize␉= sizeof(EfiMemoryRange);␊
175␉bootArgs->MemoryMapDescriptorVersion␉= 0;␊
176␊
177␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
178␉{␊
179␉␉range = &bootInfo->memoryMap[i];␊
180␊
181␉␉if (!range || !memoryMap)␊
182␉␉{␊
183␉␉␉stop("Error while computing kernel memory map\n");␊
184␉␉␉return;␊
185␉␉}␊
186␊
187␉␉switch(range->type)␊
188␉␉{␊
189␉␉␉case kMemoryRangeACPI:␊
190␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
191␉␉␉␉break;␊
192␊
193␉␉␉case kMemoryRangeNVS:␊
194␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
195␉␉␉␉break;␊
196␊
197␉␉␉case kMemoryRangeUsable:␊
198␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
199␉␉␉␉break;␊
200␊
201␉␉␉case kMemoryRangeReserved:␊
202␊
203␉␉␉default:␊
204␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
205␉␉␉␉break;␊
206␉␉}␊
207␊
208␉␉memoryMap->PhysicalStart␉= range->base;␊
209␉␉memoryMap->VirtualStart␉␉= range->base;␊
210␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊
211␉␉memoryMap->Attribute␉␉= 0;␊
212␉}␊
213␊
214␉// copy bootFile into device tree␊
215␉// XXX␊
216␊
217␉// add PCI info somehow into device tree␊
218␉// XXX␊
219␊
220␉// Flatten device tree␊
221␉DT__FlattenDeviceTree(0, &size);␊
222␉addr = (void *)AllocateKernelMemory(size);␊
223␉if (addr == 0)␊
224␉{␊
225␉␉stop("Couldn't allocate device tree\n");␊
226␉␉return;␊
227␉}␊
228␊
229␉DT__FlattenDeviceTree((void **)&addr, &size);␊
230␉if (!size)␊
231␉{␊
232␉␉stop("Couldn't get flatten device tree\n");␊
233␉␉return;␊
234␉}␊
235␉bootArgs->deviceTreeP = (uint32_t)addr;␊
236␉bootArgs->deviceTreeLength = size;␊
237␊
238␉// Copy BootArgs values to older structure␊
239␊
240␉memcpy(&bootArgsLegacy->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
241␉memcpy(&bootArgsLegacy->Video, &bootArgs->Video, sizeof(Boot_Video));␊
242␊
243␉bootArgsLegacy->MemoryMap = bootArgs->MemoryMap;␊
244␉bootArgsLegacy->MemoryMapSize = bootArgs->MemoryMapSize;␊
245␉bootArgsLegacy->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
246␉bootArgsLegacy->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
247␊
248␉bootArgsLegacy->deviceTreeP = bootArgs->deviceTreeP;␊
249␉bootArgsLegacy->deviceTreeLength = bootArgs->deviceTreeLength;␊
250␊
251␉bootArgsLegacy->kaddr = bootArgs->kaddr;␊
252␉bootArgsLegacy->ksize = bootArgs->ksize;␊
253␊
254␉bootArgsLegacy->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
255␉bootArgsLegacy->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
256␉bootArgsLegacy->efiSystemTable = bootArgs->efiSystemTable;␊
257␊
258␉bootArgsLegacy->efiMode = bootArgs->efiMode;␊
259␊
260␉bootArgsLegacy->performanceDataStart = bootArgs->performanceDataStart;␊
261␉bootArgsLegacy->performanceDataSize = bootArgs->performanceDataSize;␊
262␉bootArgsLegacy->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
263}␊
264

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