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
2010-07-02 12:00:00 +00:00
parent 7ee525b2c1
commit afdfe8f02b
60 changed files with 2494 additions and 759 deletions
--- a/ArmRealViewEbPkg/Sec/ModuleEntryPoint.asm
+++ b/ArmRealViewEbPkg/Sec/ModuleEntryPoint.asm
@@ -0,0 +1,80 @@
+//------------------------------------------------------------------------------ 
+//
+// 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 <AsmMacroIoLib.h>
+#include <Base.h>
+#include <Library/PcdLib.h>
+#include <ArmEb/ArmEb.h>
+#include <AutoGen.h>
+
+  INCLUDE AsmMacroIoLib.inc
+  
+  IMPORT  CEntryPoint
+  EXPORT  _ModuleEntryPoint
+        
+  PRESERVE8
+  AREA    ModuleEntryPoint, CODE, READONLY
+  
+
+StartupAddr        DCD      CEntryPoint
+
+_ModuleEntryPoint
+ 
+  // Turn off remapping NOR to 0. We can now use DRAM in low memory
+  // CAN'T DO THIS HERE -- BRANCH FROM RESET VECTOR IS RELATIVE AND REMAINS IN REMAPPED NOR
+  //MmioOr32 (0x10001000 ,BIT8) //EB_SP810_CTRL_BASE
+
+  // Enable NEON register in case folks want to use them for optimizations (CopyMem)
+  mrc     p15, 0, r0, c1, c0, 2
+  orr     r0, r0, #0x00f00000   // Enable VFP access (V* instructions)
+  mcr     p15, 0, r0, c1, c0, 2
+  mov     r0, #0x40000000       // Set EN bit in FPEXC
+  mcr     p10,#0x7,r0,c8,c0,#0  // msr     FPEXC,r0 in ARM assembly
+   
+  // Set CPU vectors to 0 (which is currently flash)
+  LoadConstantToReg (FixedPcdGet32(PcdCpuVectorBaseAddress) ,r0) // Get vector base
+  mcr     p15, 0, r0, c12, c0, 0
+  isb                               // Sync changes to control registers
+
+  //
+  // Set stack based on PCD values. Need to do it this way to make C code work 
+  // when it runs from FLASH. 
+  //  
+  LoadConstantToReg (FixedPcdGet32(PcdPrePiStackBase) ,r2)    // stack base arg2  
+  LoadConstantToReg (FixedPcdGet32(PcdPrePiStackSize) ,r3)    // stack size arg3  
+  add     r4, r2, r3
+  mov     r13, r4
+  
+  LoadConstantToReg (FixedPcdGet32(PcdMemorySize) ,r1)    // memory size arg1      
+  LoadConstantToReg (FixedPcdGet32(PcdMemoryBase) ,r0)    // memory size arg0 
+
+  // move sec startup address into a data register
+  // ensure we're jumping to FV version of the code (not boot remapped alias)
+  ldr   r4, StartupAddr
+
+  // jump to SEC C code
+  blx   r4
+  
+  // Call C entry point
+  // THIS DOESN'T WORK, WE NEED A LONG JUMP
+      
+  // blx     CEntryPoint 
+
+ShouldNeverGetHere
+  // _CEntryPoint should never return 
+  b       ShouldNeverGetHere
+  
+  END
+
+