From bd6b97994ab6219c74033a7e68a503dbb8d56f9f Mon Sep 17 00:00:00 2001
From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 27 Sep 2011 16:31:20 +0000
Subject: ArmPkg/ArmLib: Clean ArmV7Lib

- Move the non specific ArmV7 functions to ArmLib.
- Clean the ARM Platform common components to not depend on ArmV7 if not required



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12453 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S | 101 ++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S

(limited to 'ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S')

diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
new file mode 100644
index 0000000000..9595f224c5
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
@@ -0,0 +1,101 @@
+#------------------------------------------------------------------------------ 
+#
+# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# 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 <AsmMacroIoLib.h>
+
+.text
+.align 2
+
+GCC_ASM_EXPORT(ArmIsMpCore)
+GCC_ASM_EXPORT(ArmEnableAsynchronousAbort)
+GCC_ASM_EXPORT(ArmDisableAsynchronousAbort)
+GCC_ASM_EXPORT(ArmEnableIrq)
+GCC_ASM_EXPORT(ArmDisableIrq)
+GCC_ASM_EXPORT(ArmEnableFiq)
+GCC_ASM_EXPORT(ArmDisableFiq)
+GCC_ASM_EXPORT(ArmEnableInterrupts)
+GCC_ASM_EXPORT(ArmDisableInterrupts)
+GCC_ASM_EXPORT(ReadCCSIDR)
+GCC_ASM_EXPORT(ReadCLIDR)
+
+#------------------------------------------------------------------------------
+
+ASM_PFX(ArmIsMpCore):
+  mrc     p15,0,R0,c0,c0,5
+  // Get Multiprocessing extension (bit31) & U bit (bit30)
+  and     R0, R0, #0xC0000000
+  // if bit30 == 0 then the processor is part of a multiprocessor system)
+  and     R0, R0, #0x80000000
+  bx      LR
+
+ASM_PFX(ArmEnableAsynchronousAbort):
+  cpsie   a
+  isb
+  bx      LR
+
+ASM_PFX(ArmDisableAsynchronousAbort):
+  cpsid   a
+  isb
+  bx      LR
+
+ASM_PFX(ArmEnableIrq):
+  cpsie   i
+  isb
+  bx      LR
+
+ASM_PFX(ArmDisableIrq):
+  cpsid   i
+  isb
+  bx      LR
+
+ASM_PFX(ArmEnableFiq):
+  cpsie   f
+  isb
+  bx      LR
+
+ASM_PFX(ArmDisableFiq):
+  cpsid   f
+  isb
+  bx      LR
+
+ASM_PFX(ArmEnableInterrupts):
+  cpsie   if
+  isb
+  bx      LR
+
+ASM_PFX(ArmDisableInterrupts):
+  cpsid   if
+  isb
+  bx      LR
+  
+// UINT32 
+// ReadCCSIDR (
+//   IN UINT32 CSSELR
+//   )  
+ASM_PFX(ReadCCSIDR):
+  mcr p15,2,r0,c0,c0,0   @ Write Cache Size Selection Register (CSSELR)
+  isb
+  mrc p15,1,r0,c0,c0,0   @ Read current CP15 Cache Size ID Register (CCSIDR)
+  bx  lr
+  
+// UINT32 
+// ReadCLIDR (
+//   IN UINT32 CSSELR
+//   )  
+ASM_PFX(ReadCLIDR):
+  mrc p15,1,r0,c0,c0,1 @ Read CP15 Cache Level ID Register
+  bx  lr
+
+ASM_FUNCTION_REMOVE_IF_UNREFERENCED
-- 
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