--- /dev/null
+//------------------------------------------------------------------------------ \r
+//\r
+// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+//\r
+// This program and the accompanying materials\r
+// are licensed and made available under the terms and conditions of the BSD License\r
+// which accompanies this distribution. The full text of the license may be found at\r
+// http://opensource.org/licenses/bsd-license.php\r
+//\r
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+//\r
+//------------------------------------------------------------------------------\r
+\r
+#include <AsmMacroIoLib.h>\r
+#include <Base.h>\r
+#include <Library/PcdLib.h>\r
+#include <ArmEb/ArmEb.h>\r
+#include <AutoGen.h>\r
+\r
+ INCLUDE AsmMacroIoLib.inc\r
+ \r
+ IMPORT CEntryPoint\r
+ EXPORT _ModuleEntryPoint\r
+ \r
+ PRESERVE8\r
+ AREA ModuleEntryPoint, CODE, READONLY\r
+ \r
+\r
+StartupAddr DCD CEntryPoint\r
+\r
+_ModuleEntryPoint\r
+ \r
+ // Turn off remapping NOR to 0. We can now use DRAM in low memory\r
+ // CAN'T DO THIS HERE -- BRANCH FROM RESET VECTOR IS RELATIVE AND REMAINS IN REMAPPED NOR\r
+ //MmioOr32 (0x10001000 ,BIT8) //EB_SP810_CTRL_BASE\r
+\r
+ // Enable NEON register in case folks want to use them for optimizations (CopyMem)\r
+ mrc p15, 0, r0, c1, c0, 2\r
+ orr r0, r0, #0x00f00000 // Enable VFP access (V* instructions)\r
+ mcr p15, 0, r0, c1, c0, 2\r
+ mov r0, #0x40000000 // Set EN bit in FPEXC\r
+ mcr p10,#0x7,r0,c8,c0,#0 // msr FPEXC,r0 in ARM assembly\r
+ \r
+ // Set CPU vectors to 0 (which is currently flash)\r
+ LoadConstantToReg (FixedPcdGet32(PcdCpuVectorBaseAddress) ,r0) // Get vector base\r
+ mcr p15, 0, r0, c12, c0, 0\r
+ isb // Sync changes to control registers\r
+\r
+ //\r
+ // Set stack based on PCD values. Need to do it this way to make C code work \r
+ // when it runs from FLASH. \r
+ // \r
+ LoadConstantToReg (FixedPcdGet32(PcdPrePiStackBase) ,r2) // stack base arg2 \r
+ LoadConstantToReg (FixedPcdGet32(PcdPrePiStackSize) ,r3) // stack size arg3 \r
+ add r4, r2, r3\r
+ mov r13, r4\r
+ \r
+ LoadConstantToReg (FixedPcdGet32(PcdMemorySize) ,r1) // memory size arg1 \r
+ LoadConstantToReg (FixedPcdGet32(PcdMemoryBase) ,r0) // memory size arg0 \r
+\r
+ // move sec startup address into a data register\r
+ // ensure we're jumping to FV version of the code (not boot remapped alias)\r
+ ldr r4, StartupAddr\r
+\r
+ // jump to SEC C code\r
+ blx r4\r
+ \r
+ // Call C entry point\r
+ // THIS DOESN'T WORK, WE NEED A LONG JUMP\r
+ \r
+ // blx CEntryPoint \r
+\r
+ShouldNeverGetHere\r
+ // _CEntryPoint should never return \r
+ b ShouldNeverGetHere\r
+ \r
+ END\r
+\r
+\r