diff options
Diffstat (limited to 'MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S')
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S new file mode 100644 index 0000000000..8d06372262 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/Arm/CpuSleep.S @@ -0,0 +1,38 @@ +#------------------------------------------------------------------------------
+#
+# CpuSleep() for ARM
+#
+# Copyright (c) 2006 - 2009, Intel Corporation<BR>
+# Portions copyright (c) 2008-2009 Apple Inc.<BR>
+# 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.
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+.globl 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):
+ mov r0,#0
+ mcr p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
+ bx lr
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