From f156d5b49d3f1c3dd1a9dc3c9b6d94b02c056ad1 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Thu, 22 Sep 2011 23:04:06 +0000 Subject: ArmPlatformPkg/ArmPlatformLib: Removed 'ArmPlatformIsMemoryInitialized' function 'ArmPlatformInitializeBootMemory' function can check if the memory has already been initialized. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12414 6f19259b-4bc3-4df7-8a09-765794883524 --- .../ArmRealViewEbLibRTSM/ArmRealViewEbHelper.S | 47 --------------------- .../ArmRealViewEbLibRTSM/ArmRealViewEbHelper.asm | 48 ---------------------- .../ArmRealViewEbLibRTSM/ArmRealViewEbLib.inf | 2 - .../ArmRealViewEbLibRTSM/ArmRealViewEbSecLib.inf | 2 - 4 files changed, 99 deletions(-) delete mode 100644 ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.S delete mode 100644 ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.asm (limited to 'ArmPlatformPkg/ArmRealViewEbPkg') diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.S b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.S deleted file mode 100644 index e48770ea43..0000000000 --- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.S +++ /dev/null @@ -1,47 +0,0 @@ -// -// Copyright (c) 2011, 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 -#include -#include -#include -#include -#include - -.text -.align 3 - -GCC_ASM_EXPORT(ArmPlatformIsMemoryInitialized) - -/** - Called at the early stage of the Boot phase to know if the memory has already been initialized - - Running the code from the reset vector does not mean we start from cold boot. In some case, we - can go through this code with the memory already initialized. - Because this function is called at the early stage, the implementation must not use the stack. - Its implementation must probably done in assembly to ensure this requirement. - - @return Return the condition value into the 'Z' flag - -**/ -ASM_PFX(ArmPlatformIsMemoryInitialized): - // Check if the memory has been already mapped, if so skipped the memory initialization - LoadConstantToReg (ARM_EB_SYSCTRL, r0) - ldr r0, [r0, #0] - - // 0x200 (BIT9): This read-only bit returns the remap status. - and r0, r0, #0x200 - tst r0, #0x200 - bx lr - -ASM_FUNCTION_REMOVE_IF_UNREFERENCED \ No newline at end of file diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.asm b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.asm deleted file mode 100644 index b72fc6f37e..0000000000 --- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbHelper.asm +++ /dev/null @@ -1,48 +0,0 @@ -// -// Copyright (c) 2011, 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 -#include -#include -#include -#include -#include - - INCLUDE AsmMacroIoLib.inc - - EXPORT ArmPlatformIsMemoryInitialized - - PRESERVE8 - AREA ArmRealViewEbHelper, CODE, READONLY - -/** - Called at the early stage of the Boot phase to know if the memory has already been initialized - - Running the code from the reset vector does not mean we start from cold boot. In some case, we - can go through this code with the memory already initialized. - Because this function is called at the early stage, the implementation must not use the stack. - Its implementation must probably done in assembly to ensure this requirement. - - @return Return the condition value into the 'Z' flag - -**/ -ArmPlatformIsMemoryInitialized - // Check if the memory has been already mapped, if so skipped the memory initialization - LoadConstantToReg (ARM_EB_SYSCTRL, r0) - ldr r0, [r0, #0] - - // 0x200 (BIT9): This read-only bit returns the remap status. - and r0, r0, #0x200 - tst r0, #0x200 - bx lr - END diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbLib.inf b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbLib.inf index 3682f6b7c2..a73ba2c8ae 100644 --- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbLib.inf +++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbLib.inf @@ -34,8 +34,6 @@ [Sources.common] ArmRealViewEb.c ArmRealViewEbMem.c - ArmRealViewEbHelper.asm | RVCT - ArmRealViewEbHelper.S | GCC [FeaturePcd] gEmbeddedTokenSpaceGuid.PcdCacheEnable diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbSecLib.inf b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbSecLib.inf index 17df8100a4..d59fbfdfe8 100644 --- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbSecLib.inf +++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbSecLib.inf @@ -33,8 +33,6 @@ [Sources.common] ArmRealViewEb.c ArmRealViewEbSec.c - ArmRealViewEbHelper.asm | RVCT - ArmRealViewEbHelper.S | GCC ArmRealViewEbBoot.asm | RVCT ArmRealViewEbBoot.S | GCC -- cgit v1.2.3