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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␉␉getPlatformName(platformName);␊
101␉␉nameLen = strlen(platformName) + 1;␊
102␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊
103␉␉DT__AddProperty(node, "model", nameLen, platformName);␊
104␊
105␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊
106␊
107␉␉bootArgs->Version = kBootArgsVersion;␊
108␉␉bootArgs->Revision = kBootArgsRevision;␊
109␊
110␉␉bootArgsPreLion->Version = kBootArgsPreLionVersion;␊
111␉␉bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊
112␊
113␉␉init_done = 1;␊
114␉}␊
115}␊
116␊
117/* Copy boot args after kernel and record address. */␊
118␊
119void reserveKernBootStruct(void)␊
120{␊
121␉if ( LION || MOUNTAIN_LION || MAVERICKS )␊
122␉{␊
123␉␉void *oldAddr = bootArgs;␊
124␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
125␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
126␉} else {␊
127␉␉void *oldAddr = bootArgsPreLion;␊
128␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊
129␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊
130␉}␊
131}␊
132␊
133//==============================================================================␊
134␊
135void finalizeBootStruct(void)␊
136{␊
137␉uint32_t size;␊
138␉void *addr;␊
139␉int i;␊
140␉EfiMemoryRange *memoryMap;␊
141␉MemoryRange *range;␊
142␉int memoryMapCount = bootInfo->memoryMapCount;␊
143␊
144␉if (memoryMapCount == 0)␊
145␉{␊
146␉␉// XXX could make a two-part map here␊
147␉␉stop("Unable to convert memory map into proper format\n");␊
148␉}␊
149␊
150␉// convert memory map to boot_args memory map␊
151␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
152␊
153␉bootArgs->MemoryMap␉␉␉␉␉␉= (uint32_t)memoryMap;␊
154␉bootArgs->MemoryMapSize␉␉␉␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊
155␉bootArgs->MemoryMapDescriptorSize␉␉␉␉= sizeof(EfiMemoryRange);␊
156␉bootArgs->MemoryMapDescriptorVersion␉␉␉␉= 0;␊
157␊
158␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
159␉{␊
160␉␉range = &bootInfo->memoryMap[i];␊
161␊
162␉␉switch(range->type)␊
163␉␉{␊
164␉␉␉case kMemoryRangeACPI:␊
165␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
166␉␉␉␉break;␊
167␊
168␉␉␉case kMemoryRangeNVS:␊
169␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
170␉␉␉␉break;␊
171␊
172␉␉␉case kMemoryRangeUsable:␊
173␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
174␉␉␉␉break;␊
175␊
176␉␉␉case kMemoryRangeReserved:␊
177␊
178␉␉␉default:␊
179␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
180␉␉␉␉break;␊
181␉␉}␊
182␊
183␉␉memoryMap->PhysicalStart␉= range->base;␊
184␉␉memoryMap->VirtualStart␉␉= range->base;␊
185␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊
186␉␉memoryMap->Attribute␉␉= 0;␊
187␉}␊
188␊
189␉// copy bootFile into device tree␊
190␉// XXX␊
191␊
192␉// add PCI info somehow into device tree␊
193␉// XXX␊
194␊
195␉// Flatten device tree␊
196␉DT__FlattenDeviceTree(0, &size);␊
197␉addr = (void *)AllocateKernelMemory(size);␊
198␊
199␉if (addr == 0)␊
200␉{␊
201␉␉stop("Couldn't allocate device tree\n");␊
202␉}␊
203␊
204␉DT__FlattenDeviceTree((void **)&addr, &size);␊
205␉bootArgs->deviceTreeP = (uint32_t)addr;␊
206␉bootArgs->deviceTreeLength = size;␊
207␊
208␉// Copy BootArgs values to older structure␊
209␊
210␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
211␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
212␊
213␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
214␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
215␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
216␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
217␉␊
218␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊
219␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
220␊
221␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
222␉bootArgsPreLion->ksize = bootArgs->ksize;␊
223␊
224␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
225␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
226␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
227␊
228␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
229␊
230␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
231␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
232␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
233}␊
234

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