3 * Copyright (c) 2011-2013, 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)(FixedPcdGet64 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemorySize))) || \
34 ((FixedPcdGet32 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) < FixedPcdGet64 (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
) >= FixedPcdGet64 (PcdSystemMemoryBase
)) &&
112 ((UINT32
)(FixedPcdGet32 (PcdFdBaseAddress
) + FixedPcdGet32 (PcdFdSize
)) <= (UINT32
)(FixedPcdGet64 (PcdSystemMemoryBase
) + FixedPcdGet64 (PcdSystemMemorySize
)))));
114 // Initialize the architecture specific bits
117 // Initialize the Serial Port
118 SerialPortInitialize ();
119 CharCount
= AsciiSPrint (Buffer
,sizeof (Buffer
),"UEFI firmware (version %s built at %a on %a)\n\r",
120 (CHAR16
*)PcdGetPtr(PcdFirmwareVersionString
), __TIME__
, __DATE__
);
121 SerialPortWrite ((UINT8
*) Buffer
, CharCount
);
123 // Initialize the Debug Agent for Source Level Debugging
124 InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC
, NULL
, NULL
);
125 SaveAndSetDebugTimerInterrupt (TRUE
);
127 // Declare the PI/UEFI memory region
128 HobList
= HobConstructor (
129 (VOID
*)UefiMemoryBase
,
130 FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
),
131 (VOID
*)UefiMemoryBase
,
132 (VOID
*)StacksBase
// The top of the UEFI Memory is reserved for the stacks
134 PrePeiSetHobList (HobList
);
136 // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
137 Status
= MemoryPeim (UefiMemoryBase
, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize
));
138 ASSERT_EFI_ERROR (Status
);
140 // Create the Stacks HOB (reserve the memory for all stacks)
141 if (ArmIsMpCore ()) {
142 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
) + (FixedPcdGet32(PcdClusterCount
) * 4 * FixedPcdGet32(PcdCPUCoreSecondaryStackSize
));
144 StacksSize
= PcdGet32 (PcdCPUCorePrimaryStackSize
);
146 BuildStackHob (StacksBase
, StacksSize
);
148 // Declare the Global Variable HOB
149 BuildGlobalVariableHob (GlobalVariableBase
, FixedPcdGet32 (PcdPeiGlobalVariableSize
));
151 //TODO: Call CpuPei as a library
152 BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize
), PcdGet8 (PcdPrePiCpuIoSize
));
154 if (ArmIsMpCore ()) {
155 // Only MP Core platform need to produce gArmMpCoreInfoPpiGuid
156 Status
= GetPlatformPpi (&gArmMpCoreInfoPpiGuid
, (VOID
**)&ArmMpCoreInfoPpi
);
158 // On MP Core Platform we must implement the ARM MP Core Info PPI (gArmMpCoreInfoPpiGuid)
159 ASSERT_EFI_ERROR (Status
);
161 // Build the MP Core Info Table
163 Status
= ArmMpCoreInfoPpi
->GetMpCoreInfo (&ArmCoreCount
, &ArmCoreInfoTable
);
164 if (!EFI_ERROR(Status
) && (ArmCoreCount
> 0)) {
165 // Build MPCore Info HOB
166 BuildGuidDataHob (&gArmMpCoreInfoGuid
, ArmCoreInfoTable
, sizeof (ARM_CORE_INFO
) * ArmCoreCount
);
171 SetBootMode (ArmPlatformGetBootMode ());
173 // Initialize Platform HOBs (CpuHob and FvHob)
174 Status
= PlatformPeim ();
175 ASSERT_EFI_ERROR (Status
);
177 // Now, the HOB List has been initialized, we can register performance information
178 PERF_START (NULL
, "PEI", NULL
, StartTimeStamp
);
180 // SEC phase needs to run library constructors by hand.
181 ExtractGuidedSectionLibConstructor ();
182 LzmaDecompressLibConstructor ();
184 // Build HOBs to pass up our version of stuff the DXE Core needs to save space
185 BuildPeCoffLoaderHob ();
186 BuildExtractSectionHob (
187 &gLzmaCustomDecompressGuid
,
188 LzmaGuidedSectionGetInfo
,
189 LzmaGuidedSectionExtraction
192 // Assume the FV that contains the SEC (our code) also contains a compressed FV.
193 Status
= DecompressFirstFv ();
194 ASSERT_EFI_ERROR (Status
);
196 // Load the DXE Core and transfer control to it
197 Status
= LoadDxeCoreFromFv (NULL
, 0);
198 ASSERT_EFI_ERROR (Status
);
204 IN UINTN UefiMemoryBase
,
206 IN UINTN GlobalVariableBase
209 UINT64 StartTimeStamp
;
211 ASSERT(!ArmIsMpCore() || (PcdGet32 (PcdCoreCount
) > 1));
213 // Initialize the platform specific controllers
214 ArmPlatformInitialize (MpId
);
216 if (ArmPlatformIsPrimaryCore (MpId
) && PerformanceMeasurementEnabled ()) {
217 // Initialize the Timer Library to setup the Timer HW controller
219 // We cannot call yet the PerformanceLib because the HOB List has not been initialized
220 StartTimeStamp
= GetPerformanceCounter ();
225 // Data Cache enabled on Primary core when MMU is enabled.
226 ArmDisableDataCache ();
227 // Invalidate Data cache
228 ArmInvalidateDataCache ();
229 // Invalidate instruction cache
230 ArmInvalidateInstructionCache ();
231 // Enable Instruction Caches on all cores.
232 ArmEnableInstructionCache ();
234 // Define the Global Variable region when we are not running in XIP
236 if (ArmPlatformIsPrimaryCore (MpId
)) {
237 mGlobalVariableBase
= GlobalVariableBase
;
239 // Signal the Global Variable Region is defined (event: ARM_CPU_EVENT_DEFAULT)
243 // Wait the Primay core has defined the address of the Global Variable region (event: ARM_CPU_EVENT_DEFAULT)
248 // If not primary Jump to Secondary Main
249 if (ArmPlatformIsPrimaryCore (MpId
)) {
250 // Goto primary Main.
251 PrimaryMain (UefiMemoryBase
, StacksBase
, GlobalVariableBase
, StartTimeStamp
);
253 SecondaryMain (MpId
);
256 // DXE Core should always load and never return