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-rw-r--r--ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11Lib.c81
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11MpCoreLib.inf12
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.c30
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.inf8
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c18
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.S30
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.asm30
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.c30
-rw-r--r--ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf6
-rw-r--r--ArmPkg/Include/Library/ArmCpuLib.h20
-rw-r--r--ArmPkg/Include/Library/ArmLib.h10
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLibSupport.S12
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLibSupport.asm10
13 files changed, 42 insertions, 255 deletions
diff --git a/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11Lib.c b/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11Lib.c
index 2e285d54c7..a08b7b1aee 100644
--- a/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11Lib.c
+++ b/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11Lib.c
@@ -1,6 +1,6 @@
/** @file
- 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
@@ -15,76 +15,15 @@
#include <Base.h>
#include <Library/ArmLib.h>
#include <Library/ArmCpuLib.h>
-#include <Library/ArmGicLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
VOID
-ArmCpuSynchronizeSignal (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- if (Event == ARM_CPU_EVENT_BOOT_MEM_INIT) {
- // Do nothing, Cortex A9 secondary cores are waiting for the SCU to be
- // enabled (done by ArmCpuSetup()) as a way to know when the Init Boot
- // Mem as been initialized
- } else {
- // Send SGI to all Secondary core to wake them up from WFI state.
- ArmGicSendSgiTo (PcdGet32(PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E);
- }
-}
-
-VOID
-CArmCpuSynchronizeWait (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- // Waiting for the SGI from the primary core
- ArmCallWFI ();
-
- // Acknowledge the interrupt and send End of Interrupt signal.
- ArmGicAcknowledgeSgiFrom (PcdGet32(PcdGicInterruptInterfaceBase), PRIMARY_CORE_ID);
-}
-
-#if 0
-VOID
-ArmEnableScu (
- VOID
- )
-{
- INTN ScuBase;
-
- ScuBase = ArmGetScuBaseAddress();
-
- // Invalidate all: write -1 to SCU Invalidate All register
- MmioWrite32(ScuBase + A9_SCU_INVALL_OFFSET, 0xffffffff);
- // Enable SCU
- MmioWrite32(ScuBase + A9_SCU_CONTROL_OFFSET, 0x1);
-}
-#endif
-
-VOID
ArmCpuSetup (
IN UINTN MpId
)
{
- /*AMP mode and SMP mode
-
- By default, the processor is in AMP mode (bit 5 reset to 0). To prevent coherent data corruption the sequence to turn on MP11 CPUs in SMP mode is:
-
- 1.Write the SCU register to change CPU mode.
- 2.Disable interrupts.
- 3.Clean and invalidate all the D-cache.
- 4.Write SMP/nAMP bit as 1.
- 5.Enable interrupts.
-
- Source: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0360e/BIHHFGEC.html
- */
-
- // If MPCore then Enable the SCU
- if (ArmIsMpCore()) {
- //ArmEnableScu ();
- }
+ ASSERT(0); //TODO: Implement me
}
@@ -93,20 +32,6 @@ ArmCpuSetupSmpNonSecure (
IN UINTN MpId
)
{
-#if 0
- INTN ScuBase;
-
- ArmSetAuxCrBit (A9_FEATURE_SMP);
-
- // Make the SCU accessible in Non Secure world
- if (IS_PRIMARY_CORE(MpId)) {
- ScuBase = ArmGetScuBaseAddress();
-
- // Allow NS access to SCU register
- MmioOr32 (ScuBase + A9_SCU_SACR_OFFSET, 0xf);
- // Allow NS access to Private Peripherals
- MmioOr32 (ScuBase + A9_SCU_SSACR_OFFSET, 0xfff);
- }
-#endif
+ ASSERT(0); //TODO: Implement me
}
diff --git a/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11MpCoreLib.inf b/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11MpCoreLib.inf
index 2b9621c6ec..f7ecfb0900 100644
--- a/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11MpCoreLib.inf
+++ b/ArmPkg/Drivers/ArmCpuLib/Arm11MpCoreLib/Arm11MpCoreLib.inf
@@ -1,5 +1,5 @@
#/* @file
-# 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
@@ -25,18 +25,8 @@
[LibraryClasses]
ArmLib
- ArmGicSecLib
IoLib
PcdLib
[Sources.common]
Arm11Lib.c
- Arm11Helper.asm | RVCT
- Arm11Helper.S | GCC
-
-[FixedPcd]
- gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
- gArmTokenSpaceGuid.PcdArmPrimaryCore
-
- gArmTokenSpaceGuid.PcdGicDistributorBase
- gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.c b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.c
index a3af3a8c55..9b64d662d9 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.c
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.c
@@ -1,6 +1,6 @@
/** @file
- 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
@@ -15,7 +15,6 @@
#include <Base.h>
#include <Library/ArmLib.h>
#include <Library/ArmCpuLib.h>
-#include <Library/ArmGicLib.h>
#include <Library/ArmV7ArchTimerLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
@@ -24,33 +23,6 @@
#include <Chipset/ArmV7.h>
VOID
-ArmCpuSynchronizeSignal (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- if (Event == ARM_CPU_EVENT_BOOT_MEM_INIT) {
- // Do nothing, Cortex A15 secondary cores are waiting for the GIC Distributor
- // to be enabled (done by the Sec module itself) as a way to know when the Init Boot
- // Mem as been initialized
- } else {
- // Send SGI to all Secondary core to wake them up from WFI state.
- ArmGicSendSgiTo (PcdGet32(PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E);
- }
-}
-
-VOID
-CArmCpuSynchronizeWait (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- // Waiting for the SGI from the primary core
- ArmCallWFI ();
-
- // Acknowledge the interrupt and send End of Interrupt signal.
- ArmGicAcknowledgeSgiFrom (PcdGet32(PcdGicInterruptInterfaceBase), PRIMARY_CORE_ID);
-}
-
-VOID
ArmCpuSetup (
IN UINTN MpId
)
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.inf b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.inf
index 69ecfb109c..bcf7f6bfba 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.inf
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA15Lib/ArmCortexA15Lib.inf
@@ -1,5 +1,5 @@
#/* @file
-# 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
@@ -25,14 +25,11 @@
[LibraryClasses]
ArmLib
- ArmGicSecLib
IoLib
PcdLib
[Sources.common]
ArmCortexA15Lib.c
- ArmCortexA15Helper.asm | RVCT
- ArmCortexA15Helper.S | GCC
[FeaturePcd]
@@ -40,7 +37,4 @@
gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
gArmTokenSpaceGuid.PcdArmPrimaryCore
- gArmTokenSpaceGuid.PcdGicDistributorBase
- gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
-
gArmTokenSpaceGuid.PcdArmArchTimerFreqInHz
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c
index d755f68243..e0ba1fab8d 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c
@@ -20,24 +20,6 @@
#include <Chipset/ArmV7.h>
VOID
-ArmCpuSynchronizeWait (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- // The CortexA8 is a Unicore CPU. We must not use Synchronization functions
- ASSERT(0);
-}
-
-VOID
-ArmCpuSynchronizeSignal (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- // The CortexA8 is a Unicore CPU. We must not use Synchronization functions
- ASSERT(0);
-}
-
-VOID
ArmCpuSetup (
IN UINTN MpId
)
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.S b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.S
index c69c8d44c5..5db5861922 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.S
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.S
@@ -1,5 +1,5 @@
//
-// 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
@@ -18,24 +18,7 @@
.text
.align 3
-GCC_ASM_EXPORT(ArmCpuSynchronizeWait)
GCC_ASM_EXPORT(ArmGetScuBaseAddress)
-GCC_ASM_IMPORT(CArmCpuSynchronizeWait)
-
-// VOID
-// ArmCpuSynchronizeWait (
-// IN ARM_CPU_SYNCHRONIZE_EVENT Event
-// );
-ASM_PFX(ArmCpuSynchronizeWait):
- cmp r0, #ARM_CPU_EVENT_BOOT_MEM_INIT
- // The SCU enabled is the event to tell us the Init Boot Memory is initialized
- beq ASM_PFX(ArmWaitScuEnabled)
- // Case when the stack has been set up
- push {r1,lr}
- LoadConstantToReg (ASM_PFX(CArmCpuSynchronizeWait), r1)
- blx r1
- pop {r1,lr}
- bx lr
// IN None
// OUT r0 = SCU Base Address
@@ -45,14 +28,3 @@ ASM_PFX(ArmGetScuBaseAddress):
// offset 0x0000 from the Private Memory Region.
mrc p15, 4, r0, c15, c0, 0
bx lr
-
-ASM_PFX(ArmWaitScuEnabled):
- // Read Configuration Base Address Register. ArmCBar cannot be called to get
- // the Configuration BAR as a stack is not necessary setup. The SCU is at the
- // offset 0x0000 from the Private Memory Region.
- mrc p15, 4, r0, c15, c0, 0
- add r0, r0, #A9_SCU_CONTROL_OFFSET
- ldr r0, [r0]
- cmp r0, #1
- bne ASM_PFX(ArmWaitScuEnabled)
- bx lr
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.asm b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.asm
index ef5015c189..7150834b02 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.asm
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Helper.asm
@@ -1,5 +1,5 @@
//
-// 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
@@ -17,28 +17,11 @@
INCLUDE AsmMacroIoLib.inc
- EXPORT ArmCpuSynchronizeWait
EXPORT ArmGetScuBaseAddress
- IMPORT CArmCpuSynchronizeWait
PRESERVE8
AREA ArmCortexA9Helper, CODE, READONLY
-// VOID
-// ArmCpuSynchronizeWait (
-// IN ARM_CPU_SYNCHRONIZE_EVENT Event
-// );
-ArmCpuSynchronizeWait
- cmp r0, #ARM_CPU_EVENT_BOOT_MEM_INIT
- // The SCU enabled is the event to tell us the Init Boot Memory is initialized
- beq ArmWaitScuEnabled
- // Case when the stack has been set up
- push {r1,lr}
- LoadConstantToReg (CArmCpuSynchronizeWait, r1)
- blx r1
- pop {r1,lr}
- bx lr
-
// IN None
// OUT r0 = SCU Base Address
ArmGetScuBaseAddress
@@ -48,15 +31,4 @@ ArmGetScuBaseAddress
mrc p15, 4, r0, c15, c0, 0
bx lr
-ArmWaitScuEnabled
- // Read Configuration Base Address Register. ArmCBar cannot be called to get
- // the Configuration BAR as a stack is not necessary setup. The SCU is at the
- // offset 0x0000 from the Private Memory Region.
- mrc p15, 4, r0, c15, c0, 0
- add r0, r0, #A9_SCU_CONTROL_OFFSET
- ldr r0, [r0]
- cmp r0, #1
- bne ArmWaitScuEnabled
- bx lr
-
END
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.c b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.c
index 7c5c3ee6a9..324ddb5850 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.c
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.c
@@ -1,6 +1,6 @@
/** @file
- 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
@@ -15,40 +15,12 @@
#include <Base.h>
#include <Library/ArmLib.h>
#include <Library/ArmCpuLib.h>
-#include <Library/ArmGicLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Chipset/ArmCortexA9.h>
VOID
-ArmCpuSynchronizeSignal (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- if (Event == ARM_CPU_EVENT_BOOT_MEM_INIT) {
- // Do nothing, Cortex A9 secondary cores are waiting for the SCU to be
- // enabled (done by ArmCpuSetup()) as a way to know when the Init Boot
- // Mem as been initialized
- } else {
- // Send SGI to all Secondary core to wake them up from WFI state.
- ArmGicSendSgiTo (PcdGet32(PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E);
- }
-}
-
-VOID
-CArmCpuSynchronizeWait (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- )
-{
- // Waiting for the SGI from the primary core
- ArmCallWFI ();
-
- // Acknowledge the interrupt and send End of Interrupt signal.
- ArmGicAcknowledgeSgiFrom (PcdGet32(PcdGicInterruptInterfaceBase), PRIMARY_CORE_ID);
-}
-
-VOID
ArmEnableScu (
VOID
)
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf
index a03efd237b..866736f6ff 100644
--- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf
+++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf
@@ -1,5 +1,5 @@
#/* @file
-# 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
@@ -25,7 +25,6 @@
[LibraryClasses]
ArmLib
- ArmGicSecLib
IoLib
PcdLib
@@ -39,6 +38,3 @@
[FixedPcd]
gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
gArmTokenSpaceGuid.PcdArmPrimaryCore
-
- gArmTokenSpaceGuid.PcdGicDistributorBase
- gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
diff --git a/ArmPkg/Include/Library/ArmCpuLib.h b/ArmPkg/Include/Library/ArmCpuLib.h
index 8de5aad632..6f92b111d6 100644
--- a/ArmPkg/Include/Library/ArmCpuLib.h
+++ b/ArmPkg/Include/Library/ArmCpuLib.h
@@ -1,6 +1,6 @@
/** @file
- 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
@@ -15,24 +15,6 @@
#ifndef __ARMCPU_LIB__
#define __ARMCPU_LIB__
-// These are #define and not enum to be used in assembly files
-#define ARM_CPU_EVENT_DEFAULT 0
-#define ARM_CPU_EVENT_BOOT_MEM_INIT 1
-#define ARM_CPU_EVENT_SECURE_INIT 2
-
-typedef UINTN ARM_CPU_SYNCHRONIZE_EVENT;
-
-
-VOID
-ArmCpuSynchronizeWait (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- );
-
-VOID
-ArmCpuSynchronizeSignal (
- IN ARM_CPU_SYNCHRONIZE_EVENT Event
- );
-
VOID
ArmCpuSetup (
IN UINTN MpId
diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
index c1d4009aa5..9b4a036bef 100644
--- a/ArmPkg/Include/Library/ArmLib.h
+++ b/ArmPkg/Include/Library/ArmLib.h
@@ -438,6 +438,16 @@ ArmSetAuxCrBit (
VOID
EFIAPI
+ArmCallSEV (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmCallWFE (
+ VOID
+ );
+
ArmCallWFI (
VOID
);
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