ArmPlatformPkg: Moved ARMv7 specific files to a 'Arm' subdirectory

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14182 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 0 insertions, 149 deletions

diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
deleted file mode 100755
index c0c20a9206..0000000000
--- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
+++ /dev/null
@@ -1,149 +0,0 @@
-//

-//  Copyright (c) 2011-2013, ARM Limited. All rights reserved.

-//

-//  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 <AutoGen.h>

-

-#include <Chipset/ArmV7.h>

-

-.text

-.align 3

-

-GCC_ASM_IMPORT(CEntryPoint)

-GCC_ASM_IMPORT(ArmReadMpidr)

-GCC_ASM_IMPORT(ArmPlatformStackSet)

-GCC_ASM_EXPORT(_ModuleEntryPoint)

-

-StartupAddr: .word    CEntryPoint

-

-

-ASM_PFX(_ModuleEntryPoint):

-  // Get ID of this CPU in Multicore system

-  bl    ASM_PFX(ArmReadMpidr)

-  LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1)

-  and   r6, r0, r1

-

-_SetSVCMode:

-  // Enter SVC mode, Disable FIQ and IRQ

-  mov     r1, #(CPSR_MODE_SVC | CPSR_IRQ | CPSR_FIQ)

-  msr     CPSR_c, r1

-

-// Check if we can install the stack at the top of the System Memory or if we need

-// to install the stacks at the bottom of the Firmware Device (case the FD is located

-// at the top of the DRAM)

-_SetupStackPosition:

-  // Compute Top of System Memory

-  LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryBase), r1)

-  LoadConstantToReg (FixedPcdGet32(PcdSystemMemorySize), r2)

-  sub   r2, r2, #1

-  add   r1, r1, r2      // r1 = SystemMemoryTop = PcdSystemMemoryBase + PcdSystemMemorySize

-

-  // Calculate Top of the Firmware Device

-  LoadConstantToReg (FixedPcdGet32(PcdFdBaseAddress), r2)

-  LoadConstantToReg (FixedPcdGet32(PcdFdSize), r3)

-  sub   r3, r3, #1

-  add   r3, r3, r2      // r3 = FdTop = PcdFdBaseAddress + PcdFdSize

-

-  // UEFI Memory Size (stacks are allocated in this region)

-  LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), r4)

-

-  //

-  // Reserve the memory for the UEFI region (contain stacks on its top)

-  //

-

-  // Calculate how much space there is between the top of the Firmware and the Top of the System Memory

-  subs	r0, r1, r3	// r0 = SystemMemoryTop - FdTop

-  bmi	_SetupStack	// Jump if negative (FdTop > SystemMemoryTop). Case when the PrePi is in XIP memory outside of the DRAM

-  cmp	r0, r4

-  bge	_SetupStack

-

-  // Case the top of stacks is the FdBaseAddress

-  mov	r1, r2

-

-_SetupStack:

-  // r1 contains the top of the stack (and the UEFI Memory)

-

-  // Because the 'push' instruction is equivalent to 'stmdb' (decrement before), we need to increment

-  // one to the top of the stack. We check if incrementing one does not overflow (case of DRAM at the

-  // top of the memory space)

-  adds  r7, r1, #1

-  bcs   _SetupOverflowStack

-

-_SetupAlignedStack:

-  mov   r1, r7

-  b     _GetBaseUefiMemory

-

-_SetupOverflowStack:

-  // Case memory at the top of the address space. Ensure the top of the stack is EFI_PAGE_SIZE

-  // aligned (4KB)

-  LoadConstantToReg (EFI_PAGE_MASK, r7)

-  and   r7, r7, r1

-  sub   r1, r1, r7

-

-_GetBaseUefiMemory:

-  // Calculate the Base of the UEFI Memory

-  sub   r7, r1, r4

-

-_GetStackBase:

-  // r1 = The top of the Mpcore Stacks

-  // Stack for the primary core = PrimaryCoreStack

-  LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)

-  sub   r8, r1, r2

-

-  // Stack for the secondary core = Number of Cores - 1

-  LoadConstantToReg (FixedPcdGet32(PcdCoreCount), r0)

-  sub	r0, r0, #1

-  LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r1)

-  mul   r1, r1, r0

-  sub   r8, r8, r1

-

-  // r8 = The base of the MpCore Stacks (primary stack & secondary stacks)

-  mov	r0, r8

-  mov	r1, r6

-  //ArmPlatformStackSet(StackBase, MpId, PrimaryStackSize, SecondaryStackSize)

-  LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)

-  LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r3)

-  bl	ASM_PFX(ArmPlatformStackSet)

-

-  // Is it the Primary Core ?

-  LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCore), r4)

-  cmp   r6, r4

-  bne   _PrepareArguments

-

-_ReserveGlobalVariable:

-  LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r0)

-  // InitializePrimaryStack($GlobalVariableSize, $Tmp1)

-  InitializePrimaryStack(r0, r1)

-

-_PrepareArguments:

-  mov   r0, r6

-  mov   r1, r7

-  mov   r2, r8

-  mov   r3, sp

-

-  // 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 PrePiCore C code

-  //    r0 = MpId

-  //    r1 = UefiMemoryBase

-  //    r2 = StacksBase

-  //    r3 = GlobalVariableBase

-  blx   r4

-

-_NeverReturn:

-  b _NeverReturn

-