3 * Copyright (c) 2011-2014, 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.
16 #include <Pi/PiBootMode.h>
18 #include <Library/PrePiLib.h>
19 #include <Library/PrintLib.h>
20 #include <Library/PeCoffGetEntryPointLib.h>
21 #include <Library/PrePiHobListPointerLib.h>
22 #include <Library/TimerLib.h>
23 #include <Library/PerformanceLib.h>
24 #include <Library/CacheMaintenanceLib.h>
26 #include <Ppi/GuidedSectionExtraction.h>
27 #include <Ppi/ArmMpCoreInfo.h>
28 #include <Guid/LzmaDecompress.h>
31 #include "LzmaDecompress.h"
35 ProcessLibraryConstructorList (
41 IN UINTN UefiMemoryBase
,
43 IN UINT64 StartTimeStamp
46 EFI_HOB_HANDOFF_INFO_TABLE
* HobList
;
52 // Initialize the architecture specific bits
55 // Declare the PI/UEFI memory region
56 HobList
= HobConstructor (
57 (VOID
*)UefiMemoryBase
,
58 FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
),
59 (VOID
*)UefiMemoryBase
,
60 (VOID
*)StacksBase
// The top of the UEFI Memory is reserved for the stacks
62 PrePeiSetHobList (HobList
);
65 // Ensure that the loaded image is invalidated in the caches, so that any
66 // modifications we made with the caches and MMU off (such as the applied
67 // relocations) don't become invisible once we turn them on.
69 InvalidateDataCacheRange((VOID
*)(UINTN
)PcdGet64 (PcdFdBaseAddress
), PcdGet32 (PcdFdSize
));
71 // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
72 Status
= MemoryPeim (UefiMemoryBase
, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
));
73 ASSERT_EFI_ERROR (Status
);
75 // Initialize the Serial Port
76 SerialPortInitialize ();
77 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"UEFI firmware (version %s built at %a on %a)\n\r",
78 (CHAR16
*)PcdGetPtr(PcdFirmwareVersionString
), __TIME__
, __DATE__
);
79 SerialPortWrite ((UINT8
*) Buffer
, CharCount
);
81 // Create the Stacks HOB (reserve the memory for all stacks)
82 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
);
83 BuildStackHob (StacksBase
, StacksSize
);
85 //TODO: Call CpuPei as a library
86 BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize
), PcdGet8 (PcdPrePiCpuIoSize
));
89 SetBootMode (BOOT_WITH_FULL_CONFIGURATION
);
91 // Initialize Platform HOBs (CpuHob and FvHob)
92 Status
= PlatformPeim ();
93 ASSERT_EFI_ERROR (Status
);
95 // Now, the HOB List has been initialized, we can register performance information
96 PERF_START (NULL
, "PEI", NULL
, StartTimeStamp
);
98 // SEC phase needs to run library constructors by hand.
99 ProcessLibraryConstructorList ();
101 // Build HOBs to pass up our version of stuff the DXE Core needs to save space
102 BuildPeCoffLoaderHob ();
103 BuildExtractSectionHob (
104 &gLzmaCustomDecompressGuid
,
105 LzmaGuidedSectionGetInfo
,
106 LzmaGuidedSectionExtraction
109 // Assume the FV that contains the SEC (our code) also contains a compressed FV.
110 Status
= DecompressFirstFv ();
111 ASSERT_EFI_ERROR (Status
);
113 // Load the DXE Core and transfer control to it
114 Status
= LoadDxeCoreFromFv (NULL
, 0);
115 ASSERT_EFI_ERROR (Status
);
121 IN UINTN UefiMemoryBase
,
125 UINT64 StartTimeStamp
;
127 if (PerformanceMeasurementEnabled ()) {
128 // Initialize the Timer Library to setup the Timer HW controller
130 // We cannot call yet the PerformanceLib because the HOB List has not been initialized
131 StartTimeStamp
= GetPerformanceCounter ();
136 // Data Cache enabled on Primary core when MMU is enabled.
137 ArmDisableDataCache ();
138 // Invalidate instruction cache
139 ArmInvalidateInstructionCache ();
140 // Enable Instruction Caches on all cores.
141 ArmEnableInstructionCache ();
143 PrePiMain (UefiMemoryBase
, StacksBase
, StartTimeStamp
);
145 // DXE Core should always load and never return