diff options
| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-07-02 12:00:00 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-07-02 12:00:00 +0000 |
| commit | afdfe8f02bdf8d563554bb620c001072862b064e (patch) | |
| tree | 133edcc99dcde42e92643907f76a093647a322c2 /ArmRealViewEbPkg/Sec/Sec.c | |
| parent | 7ee525b2c1f8d3d6da5f788364fe5be36a979c9c (diff) | |
| download | edk2-platforms-afdfe8f02bdf8d563554bb620c001072862b064e.tar.xz | |
Remove ArmEbPkg and replace with ArmRealViewEbPkg. Ported ArmRealViewEbPkg to have a PEI phase, and added place holder CPU PEIM to ArmPkg. This ArmRealViewEbPkg now boots from SEC, PEI, DXE, BDS, to EBL in the ARM RealView system emulator that comes with RealView Pro.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10621 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmRealViewEbPkg/Sec/Sec.c')
| -rwxr-xr-x | ArmRealViewEbPkg/Sec/Sec.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/ArmRealViewEbPkg/Sec/Sec.c b/ArmRealViewEbPkg/Sec/Sec.c new file mode 100755 index 0000000000..360a7b017b --- /dev/null +++ b/ArmRealViewEbPkg/Sec/Sec.c @@ -0,0 +1,164 @@ +/** @file
+ C Entry point for the SEC. First C code after the reset vector.
+
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiPei.h>
+
+#include <Library/DebugLib.h>
+#include <Library/PrePiLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+#include <Library/ArmLib.h>
+#include <Library/PeCoffGetEntryPointLib.h>
+#include <Library/DebugAgentLib.h>
+
+#include <Ppi/GuidedSectionExtraction.h>
+#include <Guid/LzmaDecompress.h>
+
+#include <ArmEb/ArmEb.h>
+
+#include "LzmaDecompress.h"
+
+VOID
+EFIAPI
+_ModuleEntryPoint(
+ VOID
+ );
+
+CHAR8 *
+DeCygwinPathIfNeeded (
+ IN CHAR8 *Name
+ );
+
+RETURN_STATUS
+EFIAPI
+SerialPortInitialize (
+ VOID
+ );
+
+
+VOID
+UartInit (
+ VOID
+ )
+{
+ // SEC phase needs to run library constructors by hand.
+ // This assumes we are linked agains the SerialLib
+ // In non SEC modules the init call is in autogenerated code.
+ SerialPortInitialize ();
+}
+
+VOID
+TimerInit (
+ VOID
+ )
+{
+ // configure SP810 to use 1MHz clock and disable
+ MmioAndThenOr32 (EB_SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK);
+ // Enable
+ MmioOr32 (EB_SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER2_EN);
+
+ // configure timer 2 for one shot operation, 32 bits, no prescaler, and interrupt disabled
+ MmioOr32 (EB_SP804_TIMER2_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ONESHOT | SP804_TIMER_CTRL_32BIT | SP804_PRESCALE_DIV_1);
+
+ // preload the timer count register
+ MmioWrite32 (EB_SP804_TIMER2_BASE + SP804_TIMER_LOAD_REG, 1);
+
+ // enable the timer
+ MmioOr32 (EB_SP804_TIMER2_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ENABLE);
+}
+
+
+VOID
+InitCache (
+ IN UINT32 MemoryBase,
+ IN UINT32 MemoryLength
+ );
+
+EFI_STATUS
+EFIAPI
+ExtractGuidedSectionLibConstructor (
+ VOID
+ );
+
+EFI_STATUS
+EFIAPI
+LzmaDecompressLibConstructor (
+ VOID
+ );
+
+
+VOID
+CEntryPoint (
+ IN VOID *MemoryBase,
+ IN UINTN MemorySize,
+ IN VOID *StackBase,
+ IN UINTN StackSize
+ )
+{
+ VOID *HobBase;
+
+ // HOB list is at bottom of stack area
+ // Stack grows from top-to-bottom towards HOB list
+ HobBase = (VOID *)StackBase;
+ CreateHobList (MemoryBase, MemorySize, HobBase, StackBase);
+
+ // Turn off remapping NOR to 0. We can will now see DRAM in low memory
+ MmioOr32 (0x10001000 ,BIT8); //EB_SP810_CTRL_BASE
+
+ // Enable program flow prediction, if supported.
+ ArmEnableBranchPrediction ();
+
+ // Initialize CPU cache
+ InitCache ((UINT32)MemoryBase, (UINT32)MemorySize);
+
+ // Add memory allocation hob for relocated FD
+ BuildMemoryAllocationHob (FixedPcdGet32(PcdEmbeddedFdBaseAddress), FixedPcdGet32(PcdEmbeddedFdSize), EfiBootServicesData);
+
+ // Add the FVs to the hob list
+ BuildFvHob (PcdGet32(PcdFlashFvMainBase), PcdGet32(PcdFlashFvMainSize));
+
+ // Start talking
+ UartInit ();
+
+ InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, NULL);
+ SaveAndSetDebugTimerInterrupt (TRUE);
+
+ DEBUG ((EFI_D_ERROR, "UART Enabled\n"));
+
+ // Start up a free running timer so that the timer lib will work
+ TimerInit ();
+
+ // SEC phase needs to run library constructors by hand.
+ ExtractGuidedSectionLibConstructor ();
+ LzmaDecompressLibConstructor ();
+
+ // Build HOBs to pass up our version of stuff the DXE Core needs to save space
+ BuildPeCoffLoaderHob ();
+ BuildExtractSectionHob (
+ &gLzmaCustomDecompressGuid,
+ LzmaGuidedSectionGetInfo,
+ LzmaGuidedSectionExtraction
+ );
+
+ // Assume the FV that contains the SEC (our code) also contains a compressed FV.
+ DecompressFirstFv ();
+
+ // Load the DXE Core and transfer control to it
+ LoadDxeCoreFromFv (NULL, 0);
+
+ // DXE Core should always load and never return
+ ASSERT (FALSE);
+}
+
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