3 * Copyright (c) 2011-2012, 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/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>
25 #include <Ppi/GuidedSectionExtraction.h>
26 #include <Ppi/ArmMpCoreInfo.h>
27 #include <Guid/LzmaDecompress.h>
28 #include <Guid/ArmGlobalVariableHob.h>
31 #include "LzmaDecompress.h"
33 #define IS_XIP() (((UINT32)FixedPcdGet32 (PcdFdBaseAddress) > (UINT32)(FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemorySize))) || \
34 ((FixedPcdGet32 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) < FixedPcdGet32 (PcdSystemMemoryBase)))
36 // Not used when PrePi in run in XIP mode
37 UINTN mGlobalVariableBase
= 0;
41 ExtractGuidedSectionLibConstructor (
47 LzmaDecompressLibConstructor (
53 BuildGlobalVariableHob (
54 IN EFI_PHYSICAL_ADDRESS GlobalVariableBase
,
55 IN UINT32 GlobalVariableSize
58 ARM_HOB_GLOBAL_VARIABLE
*Hob
;
60 Hob
= CreateHob (EFI_HOB_TYPE_GUID_EXTENSION
, sizeof (ARM_HOB_GLOBAL_VARIABLE
));
63 CopyGuid (&(Hob
->Header
.Name
), &gArmGlobalVariableGuid
);
64 Hob
->GlobalVariableBase
= GlobalVariableBase
;
65 Hob
->GlobalVariableSize
= GlobalVariableSize
;
76 EFI_PEI_PPI_DESCRIPTOR
*PpiList
;
80 ArmPlatformGetPlatformPpiList (&PpiListSize
, &PpiList
);
81 PpiListCount
= PpiListSize
/ sizeof(EFI_PEI_PPI_DESCRIPTOR
);
82 for (Index
= 0; Index
< PpiListCount
; Index
++, PpiList
++) {
83 if (CompareGuid (PpiList
->Guid
, PpiGuid
) == TRUE
) {
94 IN UINTN UefiMemoryBase
,
96 IN UINTN GlobalVariableBase
,
97 IN UINT64 StartTimeStamp
100 EFI_HOB_HANDOFF_INFO_TABLE
* HobList
;
101 ARM_MP_CORE_INFO_PPI
* ArmMpCoreInfoPpi
;
103 ARM_CORE_INFO
* ArmCoreInfoTable
;
109 // If ensure the FD is either part of the System Memory or totally outside of the System Memory (XIP)
111 ((FixedPcdGet32 (PcdFdBaseAddress
) >= FixedPcdGet32 (PcdSystemMemoryBase
)) &&
112 ((UINT32
)(FixedPcdGet32 (PcdFdBaseAddress
) + FixedPcdGet32 (PcdFdSize
)) <= (UINT32
)(FixedPcdGet32 (PcdSystemMemoryBase
) + FixedPcdGet32 (PcdSystemMemorySize
)))));
114 // Enable program flow prediction, if supported.
115 ArmEnableBranchPrediction ();
117 if (FixedPcdGet32(PcdVFPEnabled
)) {
121 // Initialize the Serial Port
122 SerialPortInitialize ();
123 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"UEFI firmware (version %s built at %a on %a)\n\r",
124 (CHAR16
*)PcdGetPtr(PcdFirmwareVersionString
), __TIME__
, __DATE__
);
125 SerialPortWrite ((UINT8
*) Buffer
, CharCount
);
127 // Initialize the Debug Agent for Source Level Debugging
128 InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC
, NULL
, NULL
);
129 SaveAndSetDebugTimerInterrupt (TRUE
);
131 // Declare the PI/UEFI memory region
132 HobList
= HobConstructor (
133 (VOID
*)UefiMemoryBase
,
134 FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
),
135 (VOID
*)UefiMemoryBase
,
136 (VOID
*)StacksBase
// The top of the UEFI Memory is reserved for the stacks
138 PrePeiSetHobList (HobList
);
140 // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
141 Status
= MemoryPeim (UefiMemoryBase
, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
));
142 ASSERT_EFI_ERROR (Status
);
144 // Create the Stacks HOB (reserve the memory for all stacks)
145 if (ArmIsMpCore ()) {
146 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
) + (FixedPcdGet32(PcdClusterCount
) * 4 * FixedPcdGet32(PcdCPUCoreSecondaryStackSize
));
148 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
);
150 BuildStackHob (StacksBase
, StacksSize
);
152 // Declare the Global Variable HOB
153 BuildGlobalVariableHob (GlobalVariableBase
, FixedPcdGet32 (PcdPeiGlobalVariableSize
));
155 //TODO: Call CpuPei as a library
156 BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize
), PcdGet8 (PcdPrePiCpuIoSize
));
158 if (ArmIsMpCore ()) {
159 // Only MP Core platform need to produce gArmMpCoreInfoPpiGuid
160 Status
= GetPlatformPpi (&gArmMpCoreInfoPpiGuid
, (VOID
**)&ArmMpCoreInfoPpi
);
162 // On MP Core Platform we must implement the ARM MP Core Info PPI (gArmMpCoreInfoPpiGuid)
163 ASSERT_EFI_ERROR (Status
);
165 // Build the MP Core Info Table
167 Status
= ArmMpCoreInfoPpi
->GetMpCoreInfo (&ArmCoreCount
, &ArmCoreInfoTable
);
168 if (!EFI_ERROR(Status
) && (ArmCoreCount
> 0)) {
169 // Build MPCore Info HOB
170 BuildGuidDataHob (&gArmMpCoreInfoGuid
, ArmCoreInfoTable
, sizeof (ARM_CORE_INFO
) * ArmCoreCount
);
175 SetBootMode (ArmPlatformGetBootMode ());
177 // Initialize Platform HOBs (CpuHob and FvHob)
178 Status
= PlatformPeim ();
179 ASSERT_EFI_ERROR (Status
);
181 // Now, the HOB List has been initialized, we can register performance information
182 PERF_START (NULL
, "PEI", NULL
, StartTimeStamp
);
184 // SEC phase needs to run library constructors by hand.
185 ExtractGuidedSectionLibConstructor ();
186 LzmaDecompressLibConstructor ();
188 // Build HOBs to pass up our version of stuff the DXE Core needs to save space
189 BuildPeCoffLoaderHob ();
190 BuildExtractSectionHob (
191 &gLzmaCustomDecompressGuid
,
192 LzmaGuidedSectionGetInfo
,
193 LzmaGuidedSectionExtraction
196 // Assume the FV that contains the SEC (our code) also contains a compressed FV.
197 Status
= DecompressFirstFv ();
198 ASSERT_EFI_ERROR (Status
);
200 // Load the DXE Core and transfer control to it
201 Status
= LoadDxeCoreFromFv (NULL
, 0);
202 ASSERT_EFI_ERROR (Status
);
208 IN UINTN UefiMemoryBase
,
210 IN UINTN GlobalVariableBase
213 UINT64 StartTimeStamp
;
215 ASSERT(!ArmIsMpCore() || (PcdGet32 (PcdCoreCount
) > 1));
217 // Initialize the platform specific controllers
218 ArmPlatformInitialize (MpId
);
220 if (IS_PRIMARY_CORE(MpId
) && PerformanceMeasurementEnabled ()) {
221 // Initialize the Timer Library to setup the Timer HW controller
223 // We cannot call yet the PerformanceLib because the HOB List has not been initialized
224 StartTimeStamp
= GetPerformanceCounter ();
230 ArmCleanInvalidateDataCache ();
232 // Invalidate instruction cache
233 ArmInvalidateInstructionCache ();
235 //TODO:Drain Write Buffer
237 // Enable Instruction & Data caches
238 ArmEnableDataCache ();
239 ArmEnableInstructionCache ();
241 // Define the Global Variable region when we are not running in XIP
243 if (IS_PRIMARY_CORE(MpId
)) {
244 mGlobalVariableBase
= GlobalVariableBase
;
246 // Signal the Global Variable Region is defined (event: ARM_CPU_EVENT_DEFAULT)
250 // Wait the Primay core has defined the address of the Global Variable region (event: ARM_CPU_EVENT_DEFAULT)
255 // If not primary Jump to Secondary Main
256 if (IS_PRIMARY_CORE(MpId
)) {
257 // Goto primary Main.
258 PrimaryMain (UefiMemoryBase
, StacksBase
, GlobalVariableBase
, StartTimeStamp
);
260 SecondaryMain (MpId
);
263 // DXE Core should always load and never return