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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 // DeviceTree init␊
95␉␉//DT__Initialize();␊
96␉␉//node = DT__FindNode("/", true);␊
97 node = DT__Initialize();␊
98␉␉if (node == 0) {␊
99␉␉␉stop("Couldn't create root node");␊
100␉␉}␊
101 ␊
102␉␉getPlatformName(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␉} else {␊
130␉␉// for 10.7 10.8 10.9 10.10␊
131␉␉void *oldAddr = bootArgs;␊
132␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊
133␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊
134␉}␊
135}␊
136␊
137//==============================================================================␊
138␊
139void finalizeBootStruct(void)␊
140{␊
141␉uint32_t size;␊
142␉void *addr;␊
143␉int i;␊
144␉EfiMemoryRange *memoryMap;␊
145␉MemoryRange *range;␊
146␉int memoryMapCount = bootInfo->memoryMapCount;␊
147␉␊
148␉if (memoryMapCount == 0)␊
149␉{␊
150␉␉// XXX could make a two-part map here␊
151␉␉stop("Unable to convert memory map into proper format\n");␊
152␉}␊
153␊
154␉// convert memory map to boot_args memory map␊
155␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊
156␊
157␉bootArgs->MemoryMap = (uint32_t)memoryMap;␊
158␉bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊
159␉bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊
160␉bootArgs->MemoryMapDescriptorVersion = 0;␊
161␉␊
162␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊
163␉{␊
164␉␉range = &bootInfo->memoryMap[i];␊
165␊
166␉␉switch(range->type)␊
167␉␉{␊
168␉␉␉case kMemoryRangeACPI:␊
169␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊
170␉␉␉␉break;␊
171␊
172␉␉␉case kMemoryRangeNVS:␊
173␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊
174␉␉␉␉break;␊
175␊
176␉␉␉case kMemoryRangeUsable:␊
177␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊
178␉␉␉␉break;␊
179␊
180␉␉␉case kMemoryRangeReserved:␊
181␊
182␉␉␉default:␊
183␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊
184␉␉␉␉break;␊
185␉␉}␊
186␊
187␉␉memoryMap->PhysicalStart = range->base;␊
188␉␉memoryMap->VirtualStart = range->base;␊
189␉␉memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊
190␉␉memoryMap->Attribute = 0;␊
191␉}␊
192␊
193␉// copy bootFile into device tree␊
194␉// XXX␊
195␊
196␉// add PCI info somehow into device tree␊
197␉// XXX␊
198␊
199␉// Flatten device tree␊
200␉DT__FlattenDeviceTree(0, &size);␊
201␉addr = (void *)AllocateKernelMemory(size);␊
202␊
203␉if (addr == 0)␊
204␉{␊
205␉␉stop("Couldn't allocate device tree\n");␊
206␉}␊
207␊
208␉DT__FlattenDeviceTree((void **)&addr, &size);␊
209␉bootArgs->deviceTreeP = (uint32_t)addr;␊
210␉bootArgs->deviceTreeLength = size;␊
211␊
212␉// Copy BootArgs values to older structure␊
213␊
214␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊
215␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊
216␊
217␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊
218␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊
219␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊
220␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊
221␉␊
222␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊
223␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊
224␊
225␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊
226␉bootArgsPreLion->ksize = bootArgs->ksize;␊
227␉␊
228␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊
229␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊
230␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊
231␊
232␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊
233␊
234␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊
235␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊
236␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊
237}␊
238

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