VirtualBox

source: vbox/trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxAppleSim/VBoxAppleSim.c@ 49089

Last change on this file since 49089 was 49089, checked in by vboxsync, 11 years ago

VBoxAppleSim.c: Appears that APPLE_GETVAR_PROTOCOL had the wrong layout on 64-bit systems.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.3 KB
Line 
1/* $Id: VBoxAppleSim.c 49089 2013-10-14 16:30:30Z vboxsync $ */
2/** @file
3 * VBoxAppleSim.c - VirtualBox Apple Firmware simulation support
4 */
5
6/*
7 * Copyright (C) 2010-2011 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*******************************************************************************
29* Header Files *
30*******************************************************************************/
31#include <Library/BaseMemoryLib.h>
32#include <Library/DebugLib.h>
33#include <Library/UefiBootServicesTableLib.h>
34#include <Library/UefiLib.h>
35
36#include <Protocol/DevicePathToText.h>
37
38#include <IndustryStandard/Acpi10.h>
39#include <IndustryStandard/Acpi20.h>
40#include <IndustryStandard/SmBios.h>
41
42#include <Guid/SmBios.h>
43#include <Guid/Acpi.h>
44#include <Guid/Mps.h>
45
46#include "VBoxPkg.h"
47#include "DevEFI.h"
48#include "iprt/asm.h"
49
50
51/*
52 * External functions
53 */
54EFI_STATUS EFIAPI
55CpuUpdateDataHub(EFI_BOOT_SERVICES * bs,
56 UINT64 FSBFrequency,
57 UINT64 TSCFrequency,
58 UINT64 CPUFrequency);
59
60EFI_STATUS EFIAPI
61InitializeConsoleSim (IN EFI_HANDLE ImageHandle,
62 IN EFI_SYSTEM_TABLE *SystemTable);
63
64
65/*
66 * Internal Functions *
67 */
68static UINT32
69GetVmVariable(UINT32 Variable, CHAR8* Buffer, UINT32 Size )
70{
71 UINT32 VarLen, i;
72
73
74 ASMOutU32(EFI_INFO_PORT, Variable);
75 VarLen = ASMInU32(EFI_INFO_PORT);
76
77 for (i=0; i < VarLen && i < Size; i++)
78 {
79 Buffer[i] = ASMInU8(EFI_INFO_PORT);
80 }
81
82 return VarLen;
83}
84
85/*
86 * GUIDs
87 */
88EFI_GUID gEfiAppleNvramGuid = {
89 0x4D1EDE05, 0x38C7, 0x4A6A, {0x9C, 0xC6, 0x4B, 0xCC, 0xA8, 0xB3, 0x8C, 0x14 }
90};
91
92EFI_GUID gEfiAppleBootGuid = {
93 0x7C436110, 0xAB2A, 0x4BBB, {0xA8, 0x80, 0xFE, 0x41, 0x99, 0x5C, 0x9F, 0x82}
94};
95
96EFI_GUID gEfiAppleVarGuid = {
97 0x91BD12FE, 0xF6C3, 0x44FB, {0xA5, 0xB7, 0x51, 0x22, 0xAB, 0x30, 0x3A, 0xE0}
98};
99
100EFI_GUID gEfiUnknown1ProtocolGuid = {
101 0xDD8E06AC, 0x00E2, 0x49A9, {0x88, 0x8F, 0xFA, 0x46, 0xDE, 0xD4, 0x0A, 0x52}
102};
103
104/*
105 * Typedefs
106 */
107typedef struct _APPLE_GETVAR_PROTOCOL APPLE_GETVAR_PROTOCOL;
108
109typedef
110EFI_STATUS
111(EFIAPI *APPLE_GETVAR_PROTOCOL_GET_DEVICE_PROPS) (
112 IN APPLE_GETVAR_PROTOCOL *This,
113 IN CHAR8 *Buffer,
114 IN OUT UINT32 *BufferSize);
115
116
117struct _APPLE_GETVAR_PROTOCOL
118{
119 UINT64 Magic;
120 EFI_STATUS(EFIAPI *Unknown0)(IN VOID *);
121 EFI_STATUS(EFIAPI *Unknown1)(IN VOID *);
122 EFI_STATUS(EFIAPI *Unknown2)(IN VOID *);
123 APPLE_GETVAR_PROTOCOL_GET_DEVICE_PROPS GetDevProps;
124};
125
126
127#define IMPL_STUB(iface, num) \
128 EFI_STATUS EFIAPI \
129 iface##Unknown##num(IN VOID *This) \
130 { \
131 Print(L"Unknown%d of %a called", num, #iface); \
132 /*DebugAssert(__FILE__, __LINE__, __FUNCTION__);*/ \
133 return EFI_SUCCESS; \
134 }
135
136IMPL_STUB(GetVar, 0)
137IMPL_STUB(GetVar, 1)
138IMPL_STUB(GetVar, 2)
139
140
141EFI_STATUS EFIAPI
142GetDeviceProps(IN APPLE_GETVAR_PROTOCOL *This,
143 IN CHAR8 *Buffer,
144 IN OUT UINT32 *BufferSize)
145{
146 UINT32 BufLen = *BufferSize, DataLen;
147
148 DataLen = GetVmVariable(EFI_INFO_INDEX_DEVICE_PROPS, Buffer, BufLen);
149 *BufferSize = DataLen;
150
151 if (DataLen > BufLen)
152 return EFI_BUFFER_TOO_SMALL;
153
154 return EFI_SUCCESS;
155}
156
157APPLE_GETVAR_PROTOCOL gPrivateVarHandler =
158{
159 /* Magic = */ 0, /** @todo figure out what's here on a real system? */
160 GetVarUnknown0,
161 GetVarUnknown1,
162 GetVarUnknown2,
163 GetDeviceProps
164};
165
166EFI_STATUS EFIAPI
167UnknownHandlerImpl()
168{
169 Print(L"Unknown called\n");
170 return EFI_SUCCESS;
171}
172
173/* array of pointers to function */
174EFI_STATUS (EFIAPI *gUnknownProtoHandler[])() =
175{
176 UnknownHandlerImpl,
177 UnknownHandlerImpl,
178 UnknownHandlerImpl,
179 UnknownHandlerImpl,
180 UnknownHandlerImpl,
181 UnknownHandlerImpl,
182 UnknownHandlerImpl,
183 UnknownHandlerImpl,
184 UnknownHandlerImpl,
185 UnknownHandlerImpl,
186 UnknownHandlerImpl,
187 UnknownHandlerImpl,
188 UnknownHandlerImpl,
189 UnknownHandlerImpl,
190 UnknownHandlerImpl,
191 UnknownHandlerImpl,
192 UnknownHandlerImpl,
193 UnknownHandlerImpl
194};
195
196EFI_STATUS EFIAPI
197SetPrivateVarProto(IN EFI_HANDLE ImageHandle, EFI_BOOT_SERVICES * bs)
198{
199 EFI_STATUS rc;
200
201 rc = gBS->InstallMultipleProtocolInterfaces (
202 &ImageHandle,
203 &gEfiAppleVarGuid,
204 &gPrivateVarHandler,
205 NULL
206 );
207 ASSERT_EFI_ERROR (rc);
208
209 return EFI_SUCCESS;
210}
211
212EFI_STATUS EFIAPI
213SetProperVariables(IN EFI_HANDLE ImageHandle, EFI_RUNTIME_SERVICES * rs)
214{
215 EFI_STATUS rc;
216 UINT32 vBackgroundClear = 0x00000000;
217 UINT32 vFwFeatures = 0x80000015;
218 UINT32 vFwFeaturesMask = 0x800003ff;
219
220 // -legacy acpi=0xffffffff acpi_debug=0xfffffff panic_io_port=0xef11 io=0xfffffffe trace=4096 io=0xffffffef -v serial=2 serialbaud=9600
221 // 0x10 makes kdb default, thus 0x15e for kdb, 0x14e for gdb
222
223 //static const CHAR8 vBootArgs[] = "debug=0x15e keepsyms=1 acpi=0xffffffff acpi_debug=0xff acpi_level=7 -v -x32 -s"; // or just "debug=0x8 -legacy"
224 // 0x14e for serial output
225 //static const CHAR8 vDefBootArgs[] = "debug=0x146 keepsyms=1 -v -serial=0x1";
226 static const CHAR8 vDefBootArgs[] = "keepsyms=1 -v -serial=0x1";
227 CHAR8 vBootArgs[256];
228 UINT32 BootArgsLen;
229
230 BootArgsLen = GetVmVariable(EFI_INFO_INDEX_BOOT_ARGS, vBootArgs, sizeof vBootArgs);
231 if (BootArgsLen <= 1)
232 {
233 BootArgsLen = sizeof vDefBootArgs;
234 CopyMem(vBootArgs, vDefBootArgs, BootArgsLen);
235 }
236 rc = rs->SetVariable(L"BackgroundClear",
237 &gEfiAppleNvramGuid,
238 /* EFI_VARIABLE_NON_VOLATILE | */ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
239 sizeof(vBackgroundClear), &vBackgroundClear);
240
241 rc = rs->SetVariable(L"FirmwareFeatures",
242 &gEfiAppleNvramGuid,
243 EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
244 sizeof(vFwFeatures), &vFwFeatures);
245
246 rc = rs->SetVariable(L"FirmwareFeaturesMask",
247 &gEfiAppleNvramGuid,
248 EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
249 sizeof(vFwFeaturesMask), &vFwFeaturesMask);
250
251 rc = rs->SetVariable(L"boot-args",
252 &gEfiAppleBootGuid,
253 EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
254 BootArgsLen, &vBootArgs);
255
256 return EFI_SUCCESS;
257}
258
259/**
260 * VBoxInitAppleSim entry point.
261 *
262 * @returns EFI status code.
263 *
264 * @param ImageHandle The image handle.
265 * @param SystemTable The system table pointer.
266 */
267EFI_STATUS EFIAPI
268VBoxInitAppleSim(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
269{
270 EFI_STATUS rc;
271 UINT64 FSBFrequency;
272 UINT64 TSCFrequency;
273 UINT64 CPUFrequency;
274
275 rc = SetProperVariables(ImageHandle, SystemTable->RuntimeServices);
276 ASSERT_EFI_ERROR (rc);
277
278 rc = SetPrivateVarProto(ImageHandle, gBS);
279 ASSERT_EFI_ERROR (rc);
280
281 GetVmVariable(EFI_INFO_INDEX_FSB_FREQUENCY, (CHAR8*)&FSBFrequency, sizeof FSBFrequency);
282 GetVmVariable(EFI_INFO_INDEX_TSC_FREQUENCY, (CHAR8*)&TSCFrequency, sizeof TSCFrequency);
283 GetVmVariable(EFI_INFO_INDEX_CPU_FREQUENCY, (CHAR8*)&CPUFrequency, sizeof CPUFrequency);
284
285 rc = CpuUpdateDataHub(gBS, FSBFrequency, TSCFrequency, CPUFrequency);
286 ASSERT_EFI_ERROR (rc);
287
288 rc = InitializeConsoleSim(ImageHandle, SystemTable);
289 ASSERT_EFI_ERROR (rc);
290
291 rc = gBS->InstallMultipleProtocolInterfaces (
292 &ImageHandle,
293 &gEfiUnknown1ProtocolGuid,
294 gUnknownProtoHandler,
295 NULL
296 );
297 ASSERT_EFI_ERROR (rc);
298
299 return EFI_SUCCESS;
300}
301
302EFI_STATUS EFIAPI
303VBoxDeinitAppleSim(IN EFI_HANDLE ImageHandle)
304{
305 return EFI_SUCCESS;
306}
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