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cd872e40 | 1 | /** @file\r |
2 | *\r | |
f437141a | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r |
cd872e40 | 4 | *\r |
5 | * This program and the accompanying materials\r | |
6 | * are licensed and made available under the terms and conditions of the BSD License\r | |
7 | * which accompanies this distribution. The full text of the license may be found at\r | |
8 | * http://opensource.org/licenses/bsd-license.php\r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | *\r | |
13 | **/\r | |
14 | \r | |
15 | #include <PiPei.h>\r | |
16 | \r | |
99565b88 | 17 | #include <Library/ArmCpuLib.h>\r |
cd872e40 | 18 | #include <Library/DebugAgentLib.h>\r |
19 | #include <Library/PrePiLib.h>\r | |
cd872e40 | 20 | #include <Library/PrintLib.h>\r |
21 | #include <Library/PeCoffGetEntryPointLib.h>\r | |
37573927 | 22 | #include <Library/PrePiHobListPointerLib.h>\r |
cd872e40 | 23 | #include <Library/TimerLib.h>\r |
24 | #include <Library/PerformanceLib.h>\r | |
25 | \r | |
26 | #include <Ppi/GuidedSectionExtraction.h>\r | |
27 | #include <Guid/LzmaDecompress.h>\r | |
8fc38a3f | 28 | #include <Guid/ArmGlobalVariableHob.h>\r |
cd872e40 | 29 | \r |
30 | #include "PrePi.h"\r | |
31 | #include "LzmaDecompress.h"\r | |
32 | \r | |
99565b88 | 33 | #define IS_XIP() (((UINT32)FixedPcdGet32 (PcdFdBaseAddress) > (UINT32)(FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemorySize))) || \\r |
8fc38a3f | 34 | ((FixedPcdGet32 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) < FixedPcdGet32 (PcdSystemMemoryBase)))\r |
35 | \r | |
36 | // Not used when PrePi in run in XIP mode\r | |
37 | UINTN mGlobalVariableBase = 0;\r | |
38 | \r | |
cd872e40 | 39 | VOID\r |
40 | PrePiCommonExceptionEntry (\r | |
41 | IN UINT32 Entry,\r | |
42 | IN UINT32 LR\r | |
43 | );\r | |
44 | \r | |
45 | EFI_STATUS\r | |
46 | EFIAPI\r | |
47 | ExtractGuidedSectionLibConstructor (\r | |
48 | VOID\r | |
49 | );\r | |
50 | \r | |
51 | EFI_STATUS\r | |
52 | EFIAPI\r | |
53 | LzmaDecompressLibConstructor (\r | |
54 | VOID\r | |
55 | );\r | |
56 | \r | |
8fc38a3f | 57 | VOID\r |
58 | EFIAPI\r | |
59 | BuildGlobalVariableHob (\r | |
60 | IN EFI_PHYSICAL_ADDRESS GlobalVariableBase,\r | |
61 | IN UINT32 GlobalVariableSize\r | |
62 | )\r | |
63 | {\r | |
64 | ARM_HOB_GLOBAL_VARIABLE *Hob;\r | |
65 | \r | |
66 | Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE));\r | |
67 | ASSERT(Hob != NULL);\r | |
68 | \r | |
69 | CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);\r | |
70 | Hob->GlobalVariableBase = GlobalVariableBase;\r | |
71 | Hob->GlobalVariableSize = GlobalVariableSize;\r | |
72 | }\r | |
73 | \r | |
cd872e40 | 74 | VOID\r |
75 | PrePiMain (\r | |
76 | IN UINTN UefiMemoryBase,\r | |
c524ffbb | 77 | IN UINTN StacksBase,\r |
78 | IN UINTN GlobalVariableBase,\r | |
cd872e40 | 79 | IN UINT64 StartTimeStamp\r |
80 | )\r | |
81 | {\r | |
37573927 | 82 | EFI_HOB_HANDOFF_INFO_TABLE* HobList;\r |
cd872e40 | 83 | EFI_STATUS Status;\r |
84 | CHAR8 Buffer[100];\r | |
85 | UINTN CharCount;\r | |
d269095b | 86 | UINTN StacksSize;\r |
cd872e40 | 87 | \r |
8fc38a3f | 88 | // If ensure the FD is either part of the System Memory or totally outside of the System Memory (XIP)\r |
89 | ASSERT (IS_XIP() || \r | |
90 | ((FixedPcdGet32 (PcdFdBaseAddress) >= FixedPcdGet32 (PcdSystemMemoryBase)) &&\r | |
99565b88 | 91 | ((UINT32)(FixedPcdGet32 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) <= (UINT32)(FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemorySize)))));\r |
8fc38a3f | 92 | \r |
cd872e40 | 93 | // Enable program flow prediction, if supported.\r |
94 | ArmEnableBranchPrediction ();\r | |
95 | \r | |
96 | if (FixedPcdGet32(PcdVFPEnabled)) {\r | |
97 | ArmEnableVFP();\r | |
98 | }\r | |
99 | \r | |
100 | // Initialize the Serial Port\r | |
101 | SerialPortInitialize ();\r | |
37363dff | 102 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"UEFI firmware (version %s built at %a on %a)\n\r",\r |
103 | (CHAR16*)PcdGetPtr(PcdFirmwareVersionString), __TIME__, __DATE__);\r | |
cd872e40 | 104 | SerialPortWrite ((UINT8 *) Buffer, CharCount);\r |
105 | \r | |
106 | // Initialize the Debug Agent for Source Level Debugging\r | |
107 | InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, NULL, NULL);\r | |
108 | SaveAndSetDebugTimerInterrupt (TRUE);\r | |
2ee85366 | 109 | \r |
d269095b | 110 | // Declare the PI/UEFI memory region\r |
37573927 | 111 | HobList = HobConstructor (\r |
cd872e40 | 112 | (VOID*)UefiMemoryBase,\r |
113 | FixedPcdGet32 (PcdSystemMemoryUefiRegionSize),\r | |
114 | (VOID*)UefiMemoryBase,\r | |
d269095b | 115 | (VOID*)StacksBase // The top of the UEFI Memory is reserved for the stacks\r |
116 | );\r | |
37573927 | 117 | PrePeiSetHobList (HobList);\r |
cd872e40 | 118 | \r |
119 | // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)\r | |
120 | Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));\r | |
121 | ASSERT_EFI_ERROR (Status);\r | |
122 | \r | |
d269095b | 123 | // Create the Stacks HOB (reserve the memory for all stacks)\r |
99565b88 | 124 | if (ArmIsMpCore ()) {\r |
125 | StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize) + (FixedPcdGet32(PcdClusterCount) * 4 * FixedPcdGet32(PcdCPUCoreSecondaryStackSize));\r | |
126 | } else {\r | |
127 | StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize);\r | |
128 | }\r | |
d269095b | 129 | BuildStackHob (StacksBase, StacksSize);\r |
cd872e40 | 130 | \r |
8fc38a3f | 131 | // Declare the Global Variable HOB\r |
132 | BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize));\r | |
133 | \r | |
44788bae | 134 | //TODO: Call CpuPei as a library\r |
135 | BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));\r | |
136 | \r | |
cd872e40 | 137 | // Set the Boot Mode\r |
138 | SetBootMode (ArmPlatformGetBootMode ());\r | |
139 | \r | |
140 | // Initialize Platform HOBs (CpuHob and FvHob)\r | |
141 | Status = PlatformPeim ();\r | |
142 | ASSERT_EFI_ERROR (Status);\r | |
143 | \r | |
cd872e40 | 144 | // Now, the HOB List has been initialized, we can register performance information\r |
145 | PERF_START (NULL, "PEI", NULL, StartTimeStamp);\r | |
146 | \r | |
147 | // SEC phase needs to run library constructors by hand.\r | |
148 | ExtractGuidedSectionLibConstructor ();\r | |
149 | LzmaDecompressLibConstructor ();\r | |
150 | \r | |
151 | // Build HOBs to pass up our version of stuff the DXE Core needs to save space\r | |
152 | BuildPeCoffLoaderHob ();\r | |
153 | BuildExtractSectionHob (\r | |
154 | &gLzmaCustomDecompressGuid,\r | |
155 | LzmaGuidedSectionGetInfo,\r | |
156 | LzmaGuidedSectionExtraction\r | |
157 | );\r | |
158 | \r | |
159 | // Assume the FV that contains the SEC (our code) also contains a compressed FV.\r | |
160 | Status = DecompressFirstFv ();\r | |
161 | ASSERT_EFI_ERROR (Status);\r | |
162 | \r | |
163 | // Load the DXE Core and transfer control to it\r | |
164 | Status = LoadDxeCoreFromFv (NULL, 0);\r | |
165 | ASSERT_EFI_ERROR (Status);\r | |
166 | }\r | |
167 | \r | |
168 | VOID\r | |
169 | CEntryPoint (\r | |
0787bc61 | 170 | IN UINTN MpId,\r |
c524ffbb | 171 | IN UINTN UefiMemoryBase,\r |
172 | IN UINTN StacksBase,\r | |
173 | IN UINTN GlobalVariableBase\r | |
cd872e40 | 174 | )\r |
175 | {\r | |
176 | UINT64 StartTimeStamp;\r | |
2ee85366 | 177 | \r |
f437141a | 178 | // Initialize the platform specific controllers\r |
179 | ArmPlatformInitialize (MpId);\r | |
180 | \r | |
0787bc61 | 181 | if (IS_PRIMARY_CORE(MpId) && PerformanceMeasurementEnabled ()) {\r |
cd872e40 | 182 | // Initialize the Timer Library to setup the Timer HW controller\r |
183 | TimerConstructor ();\r | |
184 | // We cannot call yet the PerformanceLib because the HOB List has not been initialized\r | |
185 | StartTimeStamp = GetPerformanceCounter ();\r | |
2ee85366 | 186 | } else {\r |
187 | StartTimeStamp = 0;\r | |
cd872e40 | 188 | }\r |
189 | \r | |
d269095b | 190 | // Clean Data cache\r |
191 | ArmCleanInvalidateDataCache ();\r | |
cd872e40 | 192 | \r |
d269095b | 193 | // Invalidate instruction cache\r |
194 | ArmInvalidateInstructionCache ();\r | |
cd872e40 | 195 | \r |
196 | //TODO:Drain Write Buffer\r | |
197 | \r | |
198 | // Enable Instruction & Data caches\r | |
d269095b | 199 | ArmEnableDataCache ();\r |
200 | ArmEnableInstructionCache ();\r | |
cd872e40 | 201 | \r |
99565b88 | 202 | // Define the Global Variable region when we are not running in XIP\r |
203 | if (!IS_XIP()) {\r | |
204 | if (IS_PRIMARY_CORE(MpId)) {\r | |
205 | mGlobalVariableBase = GlobalVariableBase;\r | |
1aa9860e | 206 | if (ArmIsMpCore()) {\r |
207 | ArmCpuSynchronizeSignal (ARM_CPU_EVENT_DEFAULT);\r | |
208 | }\r | |
99565b88 | 209 | } else {\r |
1aa9860e | 210 | // Wait the Primay core has defined the address of the Global Variable region\r |
211 | ArmCpuSynchronizeWait (ARM_CPU_EVENT_DEFAULT);\r | |
99565b88 | 212 | }\r |
213 | }\r | |
214 | \r | |
cd872e40 | 215 | // Write VBAR - The Vector table must be 32-byte aligned\r |
d269095b | 216 | ASSERT (((UINT32)PrePiVectorTable & ((1 << 5)-1)) == 0);\r |
217 | ArmWriteVBar ((UINT32)PrePiVectorTable);\r | |
cd872e40 | 218 | \r |
d269095b | 219 | // If not primary Jump to Secondary Main\r |
0787bc61 | 220 | if (IS_PRIMARY_CORE(MpId)) {\r |
cd872e40 | 221 | // Goto primary Main.\r |
c524ffbb | 222 | PrimaryMain (UefiMemoryBase, StacksBase, GlobalVariableBase, StartTimeStamp);\r |
cd872e40 | 223 | } else {\r |
0787bc61 | 224 | SecondaryMain (MpId);\r |
cd872e40 | 225 | }\r |
226 | \r | |
227 | // DXE Core should always load and never return\r | |
228 | ASSERT (FALSE);\r | |
229 | }\r | |
230 | \r | |
231 | VOID\r | |
232 | PrePiCommonExceptionEntry (\r | |
233 | IN UINT32 Entry,\r | |
234 | IN UINT32 LR\r | |
235 | )\r | |
236 | {\r | |
237 | CHAR8 Buffer[100];\r | |
238 | UINTN CharCount;\r | |
239 | \r | |
240 | switch (Entry) {\r | |
241 | case 0:\r | |
242 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reset Exception at 0x%X\n\r",LR);\r | |
243 | break;\r | |
244 | case 1:\r | |
245 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Undefined Exception at 0x%X\n\r",LR);\r | |
246 | break;\r | |
247 | case 2:\r | |
248 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SWI Exception at 0x%X\n\r",LR);\r | |
249 | break;\r | |
250 | case 3:\r | |
251 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"PrefetchAbort Exception at 0x%X\n\r",LR);\r | |
252 | break;\r | |
253 | case 4:\r | |
254 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"DataAbort Exception at 0x%X\n\r",LR);\r | |
255 | break;\r | |
256 | case 5:\r | |
257 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reserved Exception at 0x%X\n\r",LR);\r | |
258 | break;\r | |
259 | case 6:\r | |
260 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r",LR);\r | |
261 | break;\r | |
262 | case 7:\r | |
263 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r",LR);\r | |
264 | break;\r | |
265 | default:\r | |
266 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r",LR);\r | |
267 | break;\r | |
268 | }\r | |
269 | SerialPortWrite ((UINT8 *) Buffer, CharCount);\r | |
270 | while(1);\r | |
271 | }\r |