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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("Unable to convert memory map into proper format\n");␊
161␉}␊
162␊
163␉// convert memory map to boot_args memory map␊
164␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
165␊
166␉bootArgs->MemoryMap␉␉␉= (uint32_t)memoryMap;␊
167␉bootArgs->MemoryMapSize␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊
168␉bootArgs->MemoryMapDescriptorSize␉= sizeof(EfiMemoryRange);␊
169␉bootArgs->MemoryMapDescriptorVersion␉= 0;␊
170␊
171␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
172␉{␊
173␉␉range = &bootInfo->memoryMap[i];␊
174␊
175␉␉switch(range->type)␊
176␉␉{␊
177␉␉␉case kMemoryRangeACPI:␊
178␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
179␉␉␉␉break;␊
180␊
181␉␉␉case kMemoryRangeNVS:␊
182␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
183␉␉␉␉break;␊
184␊
185␉␉␉case kMemoryRangeUsable:␊
186␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
187␉␉␉␉break;␊
188␊
189␉␉␉case kMemoryRangeReserved:␊
190␊
191␉␉␉default:␊
192␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
193␉␉␉␉break;␊
194␉␉}␊
195␊
196␉␉memoryMap->PhysicalStart␉= range->base;␊
197␉␉memoryMap->VirtualStart␉␉= range->base;␊
198␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊
199␉␉memoryMap->Attribute␉␉= 0;␊
200␉}␊
201␊
202␉// copy bootFile into device tree␊
203␉// XXX␊
204␊
205␉// add PCI info somehow into device tree␊
206␉// XXX␊
207␊
208␉// Flatten device tree␊
209␉DT__FlattenDeviceTree(0, &size);␊
210␉addr = (void *)AllocateKernelMemory(size);␊
211␉if (addr == 0)␊
212␉{␊
213␉␉stop("Couldn't allocate device tree\n");␊
214␉}␊
215␊
216␉DT__FlattenDeviceTree((void **)&addr, &size);␊
217␉if (!size)␊
218␉{␊
219␉␉stop("Couldn't get flatten device tree\n");␊
220␉␉return;␊
221␉}␊
222␉bootArgs->deviceTreeP = (uint32_t)addr;␊
223␉bootArgs->deviceTreeLength = size;␊
224␊
225␉// Copy BootArgs values to older structure␊
226␊
227␉memcpy(&bootArgsLegacy->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
228␉memcpy(&bootArgsLegacy->Video, &bootArgs->Video, sizeof(Boot_Video));␊
229␊
230␉bootArgsLegacy->MemoryMap = bootArgs->MemoryMap;␊
231␉bootArgsLegacy->MemoryMapSize = bootArgs->MemoryMapSize;␊
232␉bootArgsLegacy->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
233␉bootArgsLegacy->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
234␊
235␉bootArgsLegacy->deviceTreeP = bootArgs->deviceTreeP;␊
236␉bootArgsLegacy->deviceTreeLength = bootArgs->deviceTreeLength;␊
237␊
238␉bootArgsLegacy->kaddr = bootArgs->kaddr;␊
239␉bootArgsLegacy->ksize = bootArgs->ksize;␊
240␊
241␉bootArgsLegacy->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
242␉bootArgsLegacy->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
243␉bootArgsLegacy->efiSystemTable = bootArgs->efiSystemTable;␊
244␊
245␉bootArgsLegacy->efiMode = bootArgs->efiMode;␊
246␊
247␉bootArgsLegacy->performanceDataStart = bootArgs->performanceDataStart;␊
248␉bootArgsLegacy->performanceDataSize = bootArgs->performanceDataSize;␊
249␉bootArgsLegacy->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
250}␊
251

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