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1d5d0ae9 | 1 | /** @file\r |
2 | * Main file supporting the transition to PEI Core in Normal World for Versatile Express\r | |
3 | *\r | |
4 | * Copyright (c) 2011, ARM Limited. All rights reserved.\r | |
5 | * \r | |
6 | * This program and the accompanying materials \r | |
7 | * are licensed and made available under the terms and conditions of the BSD License \r | |
8 | * which accompanies this distribution. The full text of the license may be found at \r | |
9 | * http://opensource.org/licenses/bsd-license.php \r | |
10 | *\r | |
11 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | *\r | |
14 | **/\r | |
15 | \r | |
1d5d0ae9 | 16 | #include <Library/BaseLib.h>\r |
a6caee65 | 17 | #include <Library/DebugAgentLib.h>\r |
f598bf12 | 18 | #include <Library/PrintLib.h>\r |
1d5d0ae9 | 19 | #include <Library/ArmLib.h>\r |
f598bf12 | 20 | #include <Library/SerialPortLib.h>\r |
8fc38a3f | 21 | \r |
22 | #include <Ppi/ArmGlobalVariable.h>\r | |
1d5d0ae9 | 23 | \r |
f598bf12 | 24 | #include "PrePeiCore.h"\r |
1d5d0ae9 | 25 | \r |
93d451c6 | 26 | EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI mTemporaryRamSupportPpi = { PrePeiCoreTemporaryRamSupport };\r |
8fc38a3f | 27 | ARM_GLOBAL_VARIABLE_PPI mGlobalVariablePpi = { PrePeiCoreGetGlobalVariableMemory };\r |
1d5d0ae9 | 28 | \r |
8fc38a3f | 29 | EFI_PEI_PPI_DESCRIPTOR gCommonPpiTable[] = {\r |
1d5d0ae9 | 30 | {\r |
8fc38a3f | 31 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r |
1d5d0ae9 | 32 | &gEfiTemporaryRamSupportPpiGuid,\r |
93d451c6 | 33 | &mTemporaryRamSupportPpi\r |
8fc38a3f | 34 | },\r |
35 | {\r | |
77de7e53 | 36 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r |
8fc38a3f | 37 | &gArmGlobalVariablePpiGuid,\r |
38 | &mGlobalVariablePpi\r | |
1d5d0ae9 | 39 | }\r |
40 | };\r | |
41 | \r | |
77de7e53 | 42 | VOID\r |
43 | CreatePpiList (\r | |
44 | OUT UINTN *PpiListSize,\r | |
45 | OUT EFI_PEI_PPI_DESCRIPTOR **PpiList\r | |
46 | )\r | |
47 | {\r | |
48 | EFI_PEI_PPI_DESCRIPTOR *PlatformPpiList;\r | |
49 | UINTN PlatformPpiListSize;\r | |
50 | UINTN ListBase;\r | |
51 | EFI_PEI_PPI_DESCRIPTOR *LastPpi;\r | |
52 | \r | |
53 | // Get the Platform PPIs\r | |
54 | PlatformPpiListSize = 0;\r | |
55 | ArmPlatformGetPlatformPpiList (&PlatformPpiListSize, &PlatformPpiList);\r | |
56 | \r | |
57 | // Copy the Common and Platform PPis in Temporrary Memory\r | |
58 | ListBase = PcdGet32 (PcdCPUCoresStackBase);\r | |
59 | CopyMem ((VOID*)ListBase, gCommonPpiTable, sizeof(gCommonPpiTable));\r | |
60 | CopyMem ((VOID*)(ListBase + sizeof(gCommonPpiTable)), PlatformPpiList, PlatformPpiListSize);\r | |
61 | \r | |
62 | // Set the Terminate flag on the last PPI entry\r | |
63 | LastPpi = (EFI_PEI_PPI_DESCRIPTOR*)ListBase + ((sizeof(gCommonPpiTable) + PlatformPpiListSize) / sizeof(EFI_PEI_PPI_DESCRIPTOR)) - 1;\r | |
64 | LastPpi->Flags |= EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r | |
65 | \r | |
66 | *PpiList = (EFI_PEI_PPI_DESCRIPTOR*)ListBase;\r | |
67 | *PpiListSize = sizeof(gCommonPpiTable) + PlatformPpiListSize;\r | |
68 | }\r | |
69 | \r | |
1d5d0ae9 | 70 | VOID\r |
71 | CEntryPoint (\r | |
0787bc61 | 72 | IN UINTN MpId,\r |
1d5d0ae9 | 73 | IN EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint\r |
74 | )\r | |
75 | {\r | |
76 | //Clean Data cache\r | |
77 | ArmCleanInvalidateDataCache();\r | |
78 | \r | |
79 | //Invalidate instruction cache\r | |
80 | ArmInvalidateInstructionCache();\r | |
81 | \r | |
82 | // Enable Instruction & Data caches\r | |
f598bf12 | 83 | ArmEnableDataCache ();\r |
84 | ArmEnableInstructionCache ();\r | |
1d5d0ae9 | 85 | \r |
86 | //\r | |
87 | // Note: Doesn't have to Enable CPU interface in non-secure world,\r | |
88 | // as Non-secure interface is already enabled in Secure world.\r | |
89 | //\r | |
90 | \r | |
91 | // Write VBAR - The Vector table must be 32-byte aligned\r | |
92 | ASSERT(((UINT32)PeiVectorTable & ((1 << 5)-1)) == 0);\r | |
93 | ArmWriteVBar((UINT32)PeiVectorTable);\r | |
94 | \r | |
95 | //Note: The MMU will be enabled by MemoryPeim. Only the primary core will have the MMU on.\r | |
96 | \r | |
77de7e53 | 97 | // If not primary Jump to Secondary Main\r |
0787bc61 | 98 | if (IS_PRIMARY_CORE(MpId)) {\r |
a6caee65 | 99 | // Initialize the Debug Agent for Source Level Debugging\r |
100 | InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, NULL, NULL);\r | |
101 | SaveAndSetDebugTimerInterrupt (TRUE);\r | |
102 | \r | |
103 | // Goto primary Main.\r | |
f598bf12 | 104 | PrimaryMain (PeiCoreEntryPoint);\r |
1d5d0ae9 | 105 | } else {\r |
0787bc61 | 106 | SecondaryMain (MpId);\r |
1d5d0ae9 | 107 | }\r |
108 | \r | |
109 | // PEI Core should always load and never return\r | |
110 | ASSERT (FALSE);\r | |
111 | }\r | |
112 | \r | |
113 | EFI_STATUS\r | |
114 | EFIAPI\r | |
93d451c6 | 115 | PrePeiCoreTemporaryRamSupport (\r |
1d5d0ae9 | 116 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
117 | IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,\r | |
118 | IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,\r | |
119 | IN UINTN CopySize\r | |
120 | )\r | |
121 | {\r | |
93d451c6 | 122 | VOID *OldHeap;\r |
123 | VOID *NewHeap;\r | |
124 | VOID *OldStack;\r | |
125 | VOID *NewStack;\r | |
126 | \r | |
127 | OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;\r | |
128 | NewHeap = (VOID*)((UINTN)PermanentMemoryBase + (CopySize >> 1));\r | |
129 | \r | |
130 | OldStack = (VOID*)((UINTN)TemporaryMemoryBase + (CopySize >> 1));\r | |
131 | NewStack = (VOID*)(UINTN)PermanentMemoryBase;\r | |
132 | \r | |
133 | //\r | |
134 | // Migrate the temporary memory stack to permanent memory stack.\r | |
1d5d0ae9 | 135 | //\r |
93d451c6 | 136 | CopyMem (NewStack, OldStack, CopySize >> 1);\r |
137 | \r | |
138 | //\r | |
139 | // Migrate the temporary memory heap to permanent memory heap.\r | |
f598bf12 | 140 | //\r |
93d451c6 | 141 | CopyMem (NewHeap, OldHeap, CopySize >> 1);\r |
142 | \r | |
143 | SecSwitchStack ((UINTN)NewStack - (UINTN)OldStack);\r | |
1d5d0ae9 | 144 | \r |
93d451c6 | 145 | return EFI_SUCCESS;\r |
146 | }\r | |
1d5d0ae9 | 147 | \r |
8fc38a3f | 148 | EFI_STATUS\r |
149 | PrePeiCoreGetGlobalVariableMemory (\r | |
150 | OUT EFI_PHYSICAL_ADDRESS *GlobalVariableBase\r | |
151 | )\r | |
152 | {\r | |
153 | ASSERT (GlobalVariableBase != NULL);\r | |
154 | \r | |
155 | *GlobalVariableBase = (UINTN)PcdGet32 (PcdCPUCoresStackBase) +\r | |
156 | (UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize) -\r | |
157 | (UINTN)PcdGet32 (PcdPeiGlobalVariableSize);\r | |
158 | \r | |
1d5d0ae9 | 159 | return EFI_SUCCESS;\r |
160 | }\r | |
161 | \r | |
2637d1ef | 162 | VOID\r |
163 | PeiCommonExceptionEntry (\r | |
164 | IN UINT32 Entry,\r | |
165 | IN UINT32 LR\r | |
166 | )\r | |
167 | {\r | |
168 | CHAR8 Buffer[100];\r | |
169 | UINTN CharCount;\r | |
170 | \r | |
1d5d0ae9 | 171 | switch (Entry) {\r |
172 | case 0:\r | |
2637d1ef | 173 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reset Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 174 | break;\r |
175 | case 1:\r | |
2637d1ef | 176 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Undefined Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 177 | break;\r |
178 | case 2:\r | |
2637d1ef | 179 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SWI Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 180 | break;\r |
181 | case 3:\r | |
2637d1ef | 182 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"PrefetchAbort Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 183 | break;\r |
184 | case 4:\r | |
2637d1ef | 185 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"DataAbort Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 186 | break;\r |
187 | case 5:\r | |
2637d1ef | 188 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reserved Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 189 | break;\r |
190 | case 6:\r | |
2637d1ef | 191 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 192 | break;\r |
193 | case 7:\r | |
2637d1ef | 194 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 195 | break;\r |
196 | default:\r | |
2637d1ef | 197 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r",LR);\r |
1d5d0ae9 | 198 | break;\r |
199 | }\r | |
2637d1ef | 200 | SerialPortWrite ((UINT8 *) Buffer, CharCount);\r |
1d5d0ae9 | 201 | while(1);\r |
202 | }\r |