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| author | Harry Liebel <Harry.Liebel@arm.com> | 2013-07-29 09:56:36 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-07-29 09:56:36 +0000 |
| commit | deb65d6ce1bcb2645cd321a2a67877b33a3b9615 (patch) | |
| tree | 16d5092500305f59189846bf81d0185b4c2b3c6a /MdePkg/Library/BaseCpuLib | |
| parent | 807e2604ab2d1d52640253d13b7ec0191fb4b431 (diff) | |
| download | edk2-deb65d6ce1bcb2645cd321a2a67877b33a3b9615.tar.gz edk2-deb65d6ce1bcb2645cd321a2a67877b33a3b9615.tar.bz2 edk2-deb65d6ce1bcb2645cd321a2a67877b33a3b9615.zip | |
MdePkg/BaseCpuLib: Added ARM Aarch64 architecture support
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14516 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseCpuLib')
| -rw-r--r-- | MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S | 38 | ||||
| -rw-r--r-- | MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S | 39 | ||||
| -rw-r--r-- | MdePkg/Library/BaseCpuLib/BaseCpuLib.inf | 7 |
3 files changed, 83 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S new file mode 100644 index 0000000000..8e12bdd357 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S @@ -0,0 +1,38 @@ +#------------------------------------------------------------------------------
+#
+# CpuFlushTlb() for ARM
+#
+# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Portions copyright (c) 2011 - 2013, ARM Ltd. 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.
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+ASM_GLOBAL ASM_PFX(CpuFlushTlb)
+
+#/**
+# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+#
+# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+#
+#**/
+#VOID
+#EFIAPI
+#CpuFlushTlb (
+# VOID
+# )#
+#
+ASM_PFX(CpuFlushTlb):
+ tlbi vmalle1 // Invalidate Inst TLB and Data TLB
+ dsb sy
+ isb
+ ret
diff --git a/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S b/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S new file mode 100644 index 0000000000..86c3e63717 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S @@ -0,0 +1,39 @@ +#------------------------------------------------------------------------------
+#
+# CpuSleep() for AArch64
+#
+# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Portions copyright (c) 2011 - 2013, ARM LTD. 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.
+#
+#------------------------------------------------------------------------------
+
+.text
+.align 3
+ASM_GLOBAL ASM_PFX(CpuSleep)
+
+#/**
+# Places the CPU in a sleep state until an interrupt is received.
+#
+# Places the CPU in a sleep state until an interrupt is received. If interrupts
+# are disabled prior to calling this function, then the CPU will be placed in a
+# sleep state indefinitely.
+#
+#**/
+#VOID
+#EFIAPI
+#CpuSleep (
+# VOID
+# );
+#
+
+ASM_PFX(CpuSleep):
+ wfi
+ ret
diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf index 5d64b455de..3e9f41312c 100644 --- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf +++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf @@ -6,6 +6,7 @@ #
# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -27,7 +28,7 @@ #
-# VALID_ARCHITECTURES = IA32 X64 IPF EBC ARM
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC ARM AARCH64
#
[Sources.IA32]
@@ -60,6 +61,10 @@ Arm/CpuFlushTlb.S | GCC
Arm/CpuSleep.S | GCC
+[Sources.AARCH64]
+ AArch64/CpuFlushTlb.S | GCC
+ AArch64/CpuSleep.S | GCC
+
[Packages]
MdePkg/MdePkg.dec
|