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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;␊
49boot_args_pre_lion␉*bootArgsPreLion;␊
50␊
51PrivateBootInfo_t␉*bootInfo;␊
52Node␉␉␉*gMemoryMapNode;␊
53␊
54static char platformName[64];␊
55␊
56void initKernBootStruct( void )␊
57{␊
58␉Node *node;␊
59␉int nameLen;␊
60␉static int init_done = 0;␊
61␊
62␉if ( !init_done )␊
63␉{␊
64␉␉bootArgs = (boot_args *)malloc(sizeof(boot_args));␊
65␉␉bootArgsPreLion = (boot_args_pre_lion *)malloc(sizeof(boot_args_pre_lion));␊
66␉␉bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊
67␉␉if (bootArgs == 0 || bootArgsPreLion == 0 || bootInfo == 0)␊
68␉␉␉stop("Couldn't allocate boot info\n");␊
69␊
70␉␉bzero(bootArgs, sizeof(boot_args));␊
71␉␉bzero(bootArgsPreLion, sizeof(boot_args_pre_lion));␊
72␉␉bzero(bootInfo, sizeof(PrivateBootInfo_t));␊
73␊
74␉␉// Get system memory map. Also update the size of the␊
75␉␉// conventional/extended memory for backwards compatibility.␊
76␊
77␉␉bootInfo->memoryMapCount =␊
78␉␉␉getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊
79␉␉␉␉␉␉ (unsigned long *) &bootInfo->convmem,␊
80␉␉␉␉␉␉ (unsigned long *) &bootInfo->extmem );␊
81␊
82␉␉if ( bootInfo->memoryMapCount == 0 )␊
83␉␉{␊
84␉␉␉// BIOS did not provide a memory map, systems with␊
85␉␉␉// discontiguous memory or unusual memory hole locations␊
86␉␉␉// may have problems.␊
87␊
88␉␉␉bootInfo->convmem␉= getConventionalMemorySize();␊
89␉␉␉bootInfo->extmem␉= getExtendedMemorySize();␊
90␉␉}␊
91␊
92␉␉bootInfo->configEnd␉␉= bootInfo->config;␊
93␉␉bootArgs->Video.v_display␉= VGA_TEXT_MODE;␊
94␊
95␉␉DT__Initialize();␊
96␊
97␉␉node = DT__FindNode("/", true);␊
98␉␉if (node == 0) {␊
99␉␉␉stop("Couldn't create root node");␊
100␉␉}␊
101␊
102␉␉getPlatformName(platformName, sizeof(platformName));␊
103␉␉nameLen = strlen(platformName) + 1;␊
104␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
105␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
106␊
107␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
108␊
109␉␉bootArgs->Version = kBootArgsVersion;␊
110␉␉bootArgs->Revision = kBootArgsRevision;␊
111␊
112␉␉bootArgsPreLion->Version = kBootArgsPreLionVersion;␊
113␉␉bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊
114␊
115␉␉init_done = 1;␊
116␉}␊
117}␊
118␊
119/* Copy boot args after kernel and record address. */␊
120␊
121void reserveKernBootStruct(void)␊
122{␊
123␉if ( TIGER || LEOPARD || SNOW_LEOPARD )␊
124␉{␊
125␉␉// for 10.4 10.5 10.6␊
126␉␉void *oldAddr = bootArgsPreLion;␊
127␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊
128␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊
129␉}␊
130␉else␊
131␉{␊
132␉␉// for 10.7 10.8 10.9 10.10 10.11␊
133␉␉void *oldAddr = bootArgs;␊
134␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
135␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
136␉}␊
137}␊
138␊
139//==============================================================================␊
140␊
141void finalizeBootStruct(void)␊
142{␊
143␉uint32_t size;␊
144␉void *addr;␊
145␉int i;␊
146␉EfiMemoryRange *memoryMap;␊
147␉MemoryRange *range;␊
148␉int memoryMapCount = bootInfo->memoryMapCount;␊
149␊
150␉if (memoryMapCount == 0)␊
151␉{␊
152␉␉// XXX could make a two-part map here␊
153␉␉stop("Unable to convert memory map into proper format\n");␊
154␉}␊
155␊
156␉// convert memory map to boot_args memory map␊
157␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
158␊
159␉bootArgs->MemoryMap␉␉␉␉␉␉= (uint32_t)memoryMap;␊
160␉bootArgs->MemoryMapSize␉␉␉␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊
161␉bootArgs->MemoryMapDescriptorSize␉␉␉␉= sizeof(EfiMemoryRange);␊
162␉bootArgs->MemoryMapDescriptorVersion␉␉␉␉= 0;␊
163␊
164␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
165␉{␊
166␉␉range = &bootInfo->memoryMap[i];␊
167␊
168␉␉switch(range->type)␊
169␉␉{␊
170␉␉␉case kMemoryRangeACPI:␊
171␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
172␉␉␉␉break;␊
173␊
174␉␉␉case kMemoryRangeNVS:␊
175␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
176␉␉␉␉break;␊
177␊
178␉␉␉case kMemoryRangeUsable:␊
179␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
180␉␉␉␉break;␊
181␊
182␉␉␉case kMemoryRangeReserved:␊
183␊
184␉␉␉default:␊
185␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
186␉␉␉␉break;␊
187␉␉}␊
188␊
189␉␉memoryMap->PhysicalStart␉= range->base;␊
190␉␉memoryMap->VirtualStart␉␉= range->base;␊
191␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊
192␉␉memoryMap->Attribute␉␉= 0;␊
193␉}␊
194␊
195␉// copy bootFile into device tree␊
196␉// XXX␊
197␊
198␉// add PCI info somehow into device tree␊
199␉// XXX␊
200␊
201␉// Flatten device tree␊
202␉DT__FlattenDeviceTree(0, &size);␊
203␉addr = (void *)AllocateKernelMemory(size);␊
204␊
205␉if (addr == 0)␊
206␉{␊
207␉␉stop("Couldn't allocate device tree\n");␊
208␉}␊
209␊
210␉DT__FlattenDeviceTree((void **)&addr, &size);␊
211␉bootArgs->deviceTreeP = (uint32_t)addr;␊
212␉bootArgs->deviceTreeLength = size;␊
213␊
214␉// Copy BootArgs values to older structure␊
215␊
216␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
217␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
218␊
219␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
220␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
221␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
222␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
223␊
224␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊
225␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
226␊
227␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
228␉bootArgsPreLion->ksize = bootArgs->ksize;␊
229␊
230␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
231␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
232␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
233␊
234␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
235␊
236␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
237␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
238␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
239}␊
240

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