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

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