3 * Copyright (c) 2011, ARM Limited. All rights reserved.
5 * This program and the accompanying materials
6 * are licensed and made available under the terms and conditions of the BSD License
7 * which accompanies this distribution. The full text of the license may be found at
8 * http://opensource.org/licenses/bsd-license.php
10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
17 #include <Library/DebugAgentLib.h>
18 #include <Library/BaseMemoryLib.h>
19 #include <Library/PrePiLib.h>
20 #include <Library/IoLib.h>
21 #include <Library/PrintLib.h>
22 #include <Library/PeCoffGetEntryPointLib.h>
23 #include <Library/PrePiHobListPointerLib.h>
24 #include <Library/TimerLib.h>
25 #include <Library/PerformanceLib.h>
27 #include <Ppi/GuidedSectionExtraction.h>
28 #include <Guid/LzmaDecompress.h>
31 #include "LzmaDecompress.h"
34 PrePiCommonExceptionEntry (
41 ExtractGuidedSectionLibConstructor (
47 LzmaDecompressLibConstructor (
53 IN UINTN UefiMemoryBase
,
55 IN UINTN GlobalVariableBase
,
56 IN UINT64 StartTimeStamp
59 EFI_HOB_HANDOFF_INFO_TABLE
* HobList
;
65 // Enable program flow prediction, if supported.
66 ArmEnableBranchPrediction ();
68 if (FixedPcdGet32(PcdVFPEnabled
)) {
72 // Initialize the Serial Port
73 SerialPortInitialize ();
74 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"UEFI firmware built at %a on %a\n\r",__TIME__
, __DATE__
);
75 SerialPortWrite ((UINT8
*) Buffer
, CharCount
);
77 // Initialize the Debug Agent for Source Level Debugging
78 InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC
, NULL
, NULL
);
79 SaveAndSetDebugTimerInterrupt (TRUE
);
81 // Declare the PI/UEFI memory region
82 HobList
= HobConstructor (
83 (VOID
*)UefiMemoryBase
,
84 FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
),
85 (VOID
*)UefiMemoryBase
,
86 (VOID
*)StacksBase
// The top of the UEFI Memory is reserved for the stacks
88 PrePeiSetHobList (HobList
);
90 // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
91 Status
= MemoryPeim (UefiMemoryBase
, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
));
92 ASSERT_EFI_ERROR (Status
);
94 // Create the Stacks HOB (reserve the memory for all stacks)
95 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
) + (FixedPcdGet32(PcdClusterCount
) * 4 * FixedPcdGet32(PcdCPUCoreSecondaryStackSize
));
96 BuildStackHob (StacksBase
, StacksSize
);
99 SetBootMode (ArmPlatformGetBootMode ());
101 // Initialize Platform HOBs (CpuHob and FvHob)
102 Status
= PlatformPeim ();
103 ASSERT_EFI_ERROR (Status
);
105 BuildMemoryTypeInformationHob ();
107 // Now, the HOB List has been initialized, we can register performance information
108 PERF_START (NULL
, "PEI", NULL
, StartTimeStamp
);
110 // SEC phase needs to run library constructors by hand.
111 ExtractGuidedSectionLibConstructor ();
112 LzmaDecompressLibConstructor ();
114 // Build HOBs to pass up our version of stuff the DXE Core needs to save space
115 BuildPeCoffLoaderHob ();
116 BuildExtractSectionHob (
117 &gLzmaCustomDecompressGuid
,
118 LzmaGuidedSectionGetInfo
,
119 LzmaGuidedSectionExtraction
122 // Assume the FV that contains the SEC (our code) also contains a compressed FV.
123 Status
= DecompressFirstFv ();
124 ASSERT_EFI_ERROR (Status
);
126 // Load the DXE Core and transfer control to it
127 Status
= LoadDxeCoreFromFv (NULL
, 0);
128 ASSERT_EFI_ERROR (Status
);
134 IN UINTN UefiMemoryBase
,
136 IN UINTN GlobalVariableBase
139 UINT64 StartTimeStamp
;
141 if (IS_PRIMARY_CORE(MpId
) && PerformanceMeasurementEnabled ()) {
142 // Initialize the Timer Library to setup the Timer HW controller
144 // We cannot call yet the PerformanceLib because the HOB List has not been initialized
145 StartTimeStamp
= GetPerformanceCounter ();
151 ArmCleanInvalidateDataCache ();
153 // Invalidate instruction cache
154 ArmInvalidateInstructionCache ();
156 //TODO:Drain Write Buffer
158 // Enable Instruction & Data caches
159 ArmEnableDataCache ();
160 ArmEnableInstructionCache ();
162 // Write VBAR - The Vector table must be 32-byte aligned
163 ASSERT (((UINT32
)PrePiVectorTable
& ((1 << 5)-1)) == 0);
164 ArmWriteVBar ((UINT32
)PrePiVectorTable
);
166 // If not primary Jump to Secondary Main
167 if (IS_PRIMARY_CORE(MpId
)) {
168 // Goto primary Main.
169 PrimaryMain (UefiMemoryBase
, StacksBase
, GlobalVariableBase
, StartTimeStamp
);
171 SecondaryMain (MpId
);
174 // DXE Core should always load and never return
179 PrePiCommonExceptionEntry (
189 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"Reset Exception at 0x%X\n\r",LR
);
192 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"Undefined Exception at 0x%X\n\r",LR
);
195 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"SWI Exception at 0x%X\n\r",LR
);
198 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"PrefetchAbort Exception at 0x%X\n\r",LR
);
201 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"DataAbort Exception at 0x%X\n\r",LR
);
204 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"Reserved Exception at 0x%X\n\r",LR
);
207 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"IRQ Exception at 0x%X\n\r",LR
);
210 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"FIQ Exception at 0x%X\n\r",LR
);
213 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"Unknown Exception at 0x%X\n\r",LR
);
216 SerialPortWrite ((UINT8
*) Buffer
, CharCount
);