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ArmPkg/ArmLib: Added ArmReadMidr()

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15240 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-02-12 15:14:41 +00:00
committed by oliviermartin
parent 226d5572ad
commit 9401d6f4b9
5 changed files with 29 additions and 4 deletions
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9
ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S
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@@ -1,7 +1,7 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
# Copyright (c) 2011, ARM Limited. All rights reserved.
# Copyright (c) 2011 - 2014, 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
@@ -49,6 +49,7 @@ GCC_ASM_EXPORT (ArmCallWFI)
GCC_ASM_EXPORT (ArmReadCbar)
GCC_ASM_EXPORT (ArmInvalidateInstructionAndDataTlb)
GCC_ASM_EXPORT (ArmReadMpidr)
GCC_ASM_EXPORT (ArmReadMidr)
GCC_ASM_EXPORT (ArmReadTpidrurw)
GCC_ASM_EXPORT (ArmWriteTpidrurw)
GCC_ASM_EXPORT (ArmIsArchTimerImplemented)
@@ -376,7 +377,11 @@ ASM_PFX(ArmInvalidateInstructionAndDataTlb):
ASM_PFX(ArmReadMpidr):
mrc p15, 0, r0, c0, c0, 5 @ read MPIDR
bx lr
ASM_PFX(ArmReadMidr):
mrc p15, 0, r0, c0, c0, 0 @ Read Main ID Register
bx lr
ASM_PFX(ArmReadTpidrurw):
mrc p15, 0, r0, c13, c0, 2 @ read TPIDRURW
bx lr