diff options
Diffstat (limited to 'ArmPkg/Library')
-rw-r--r-- | ArmPkg/Library/ArmLib/Common/ArmLibSupport.S | 12 | ||||
-rw-r--r-- | ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm | 10 |
2 files changed, 21 insertions, 1 deletions
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S index d00a3623c5..da927b9d43 100644 --- a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S +++ b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.S @@ -1,7 +1,7 @@ #------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-# Copyright (c) 2011, ARM Limited. All rights reserved.
+# Copyright (c) 2011-2012, 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
@@ -40,6 +40,8 @@ GCC_ASM_EXPORT(ArmUpdateTranslationTableEntry) GCC_ASM_EXPORT(ArmWriteNsacr)
GCC_ASM_EXPORT(ArmWriteScr)
GCC_ASM_EXPORT(ArmWriteVMBar)
+GCC_ASM_EXPORT(ArmCallWFE)
+GCC_ASM_EXPORT(ArmCallSEV)
#------------------------------------------------------------------------------
@@ -146,4 +148,12 @@ ASM_PFX(ArmWriteVMBar): mcr p15, 0, r0, c12, c0, 1
bx lr
+ASM_PFX(ArmCallWFE):
+ wfe
+ bx lr
+
+ASM_PFX(ArmCallSEV):
+ sev
+ bx lr
+
ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm index b892603518..186ee33dfa 100644 --- a/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm +++ b/ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm @@ -40,6 +40,8 @@ EXPORT ArmWriteNsacr
EXPORT ArmWriteScr
EXPORT ArmWriteVMBar
+ EXPORT ArmCallWFE
+ EXPORT ArmCallSEV
AREA ArmLibSupport, CODE, READONLY
@@ -146,4 +148,12 @@ ArmWriteVMBar mcr p15, 0, r0, c12, c0, 1
bx lr
+ArmCallWFE
+ wfe
+ blx lr
+
+ArmCallSEV
+ sev
+ blx lr
+
END
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