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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␊
32#ifndef DEBUG_BOOTSTRUCT␊
33#define DEBUG_BOOTSTRUCT 0␊
34#endif␊
35␊
36#if DEBUG_BOOTSTRUCT␊
37#define DBG(x...)␉printf(x)␊
38#else␊
39#define DBG(x...)␉msglog(x)␊
40#endif␊
41␊
42/*==========================================================================␊
43 * Initialize the structure of parameters passed to␊
44 * the kernel by the booter.␊
45 */␊
46␊
47boot_args␉␉*bootArgs;␊
48boot_args_pre_lion␉*bootArgsPreLion;␊
49PrivateBootInfo_t␉*bootInfo;␊
50Node␉␉␉*gMemoryMapNode;␊
51␊
52static char platformName[64];␊
53␊
54void initKernBootStruct( void )␊
55{␊
56␉Node *node;␊
57␉int nameLen;␊
58␉static int init_done = 0;␊
59␊
60␉if ( !init_done )␊
61␉{␊
62␉␉bootArgs = (boot_args *)malloc(sizeof(boot_args));␊
63␉␉bootArgsPreLion = (boot_args_pre_lion *)malloc(sizeof(boot_args_pre_lion));␊
64␉␉bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊
65␉␉if (bootArgs == 0 || bootArgsPreLion == 0 || bootInfo == 0)␊
66␉␉␉stop("Couldn't allocate boot info\n");␊
67␊
68␉␉bzero(bootArgs, sizeof(boot_args));␊
69␉␉bzero(bootArgsPreLion, sizeof(boot_args_pre_lion));␊
70␉␉bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
71␊
72␉␉// Get system memory map. Also update the size of the␊
73␉␉// conventional/extended memory for backwards compatibility.␊
74␉␉␊
75␉␉bootInfo->memoryMapCount =␊
76␉␉␉getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
77␉␉␉␉␉␉ (unsigned long *) &bootInfo->convmem,␊
78␉␉␉␉␉␉ (unsigned long *) &bootInfo->extmem );␊
79␊
80␉␉if ( bootInfo->memoryMapCount == 0 )␊
81␉␉{␊
82␉␉␉// BIOS did not provide a memory map, systems with␊
83␉␉␉// discontiguous memory or unusual memory hole locations␊
84␉␉␉// may have problems.␊
85␊
86␉␉␉bootInfo->convmem␉= getConventionalMemorySize();␊
87␉␉␉bootInfo->extmem␉= getExtendedMemorySize();␊
88␉␉}␊
89␊
90␉␉bootInfo->configEnd␉␉= bootInfo->config;␊
91␉␉bootArgs->Video.v_display␉= VGA_TEXT_MODE;␊
92␊
93␉␉DT__Initialize();␊
94␊
95␉␉node = DT__FindNode("/", true);␊
96␉␉if (node == 0) {␊
97␉␉␉stop("Couldn't create root node");␊
98␉␉}␊
99␉␉getPlatformName(platformName);␊
100␉␉nameLen = strlen(platformName) + 1;␊
101␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
102␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
103␊
104␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
105␊
106␉␉bootArgs->Version = kBootArgsVersion;␊
107␉␉bootArgs->Revision = kBootArgsRevision;␊
108␊
109␉␉bootArgsPreLion->Version = kBootArgsPreLionVersion;␊
110␉␉bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊
111␊
112␉␉init_done = 1;␊
113␉}␊
114}␊
115␊
116/* Copy boot args after kernel and record address. */␊
117␊
118void␊
119reserveKernBootStruct(void)␊
120{␊
121␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0')␊
122␉␉&& (gMacOSVersion[2] == '.') && (gMacOSVersion[3] == '7' || gMacOSVersion[3] == '8' || gMacOSVersion[3] == '9'))␊
123␉{␊
124␉␉void *oldAddr = bootArgs;␊
125␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
126␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
127␉} else {␊
128␉␉void *oldAddr = bootArgsPreLion;␊
129␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊
130␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊
131␉}␊
132}␊
133␊
134//==============================================================================␊
135␊
136void finalizeBootStruct(void)␊
137{␊
138␉uint32_t size;␊
139␉void *addr;␊
140␉int i;␊
141␉EfiMemoryRange *memoryMap;␊
142␉MemoryRange *range;␊
143␉int memoryMapCount = bootInfo->memoryMapCount;␊
144␊
145␉if (memoryMapCount == 0)␊
146␉{␊
147␉␉// XXX could make a two-part map here␊
148␉␉stop("Unable to convert memory map into proper format\n");␊
149␉}␊
150␊
151␉// convert memory map to boot_args memory map␊
152␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
153␊
154␉bootArgs->MemoryMap␉␉␉␉␉␉= (uint32_t)memoryMap;␊
155␉bootArgs->MemoryMapSize␉␉␉␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊
156␉bootArgs->MemoryMapDescriptorSize␉␉␉␉= sizeof(EfiMemoryRange);␊
157␉bootArgs->MemoryMapDescriptorVersion␉␉␉␉= 0;␊
158␊
159␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
160␉{␊
161␉␉range = &bootInfo->memoryMap[i];␊
162␊
163␉␉switch(range->type)␊
164␉␉{␊
165␉␉␉case kMemoryRangeACPI:␊
166␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
167␉␉␉␉break;␊
168␊
169␉␉␉case kMemoryRangeNVS:␊
170␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
171␉␉␉␉break;␊
172␊
173␉␉␉case kMemoryRangeUsable:␊
174␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
175␉␉␉␉break;␊
176␊
177␉␉␉case kMemoryRangeReserved:␊
178␊
179␉␉␉default:␊
180␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
181␉␉␉␉break;␊
182␉␉}␊
183␊
184␉␉memoryMap->PhysicalStart␉= range->base;␊
185␉␉memoryMap->VirtualStart␉␉= range->base;␊
186␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊
187␉␉memoryMap->Attribute␉␉= 0;␊
188␉}␊
189␊
190␉// copy bootFile into device tree␊
191␉// XXX␊
192␊
193␉// add PCI info somehow into device tree␊
194␉// XXX␊
195␊
196␉// Flatten device tree␊
197␉DT__FlattenDeviceTree(0, &size);␊
198␉addr = (void *)AllocateKernelMemory(size);␊
199␊
200␉if (addr == 0)␊
201␉{␊
202␉␉stop("Couldn't allocate device tree\n");␊
203␉}␊
204␊
205␉DT__FlattenDeviceTree((void **)&addr, &size);␊
206␉bootArgs->deviceTreeP = (uint32_t)addr;␊
207␉bootArgs->deviceTreeLength = size;␊
208␊
209␉// Copy BootArgs values to older structure␊
210␊
211␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
212␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
213␊
214␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
215␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
216␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
217␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
218␉␊
219␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊
220␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
221␊
222␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
223␉bootArgsPreLion->ksize = bootArgs->ksize;␊
224␊
225␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
226␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
227␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
228␊
229␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
230␊
231␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
232␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
233␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
234}␊
235

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