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ArmPkg/ArmLib: Added new functions to access ARM coprocessors

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Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13253 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-05-02 20:02:39 +00:00
parent 7fffeef9be
commit 836c350061
8 changed files with 125 additions and 14 deletions
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6
ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
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@@ -39,6 +39,7 @@
EXPORT ArmDataMemoryBarrier
EXPORT ArmDataSyncronizationBarrier
EXPORT ArmInstructionSynchronizationBarrier
EXPORT ArmReadVBar
EXPORT ArmWriteVBar
EXPORT ArmEnableVFP
EXPORT ArmCallWFI
@@ -324,6 +325,11 @@ ArmInstructionSynchronizationBarrier
isb
bx LR
ArmReadVBar
// Set the Address of the Vector Table in the VBAR register
mrc p15, 0, r0, c12, c0, 0
bx lr
ArmWriteVBar
// Set the Address of the Vector Table in the VBAR register
mcr p15, 0, r0, c12, c0, 0