diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c')
| -rw-r--r-- | roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c b/roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c new file mode 100644 index 000000000..2c4a23e1a --- /dev/null +++ b/roms/edk2/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c @@ -0,0 +1,73 @@ +/** @file
+
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+ Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+
+#include <Library/ArmLib.h>
+#include <Library/DebugLib.h>
+
+#include <Chipset/ArmV7.h>
+
+#include "ArmV7Lib.h"
+#include "ArmLibPrivate.h"
+
+VOID
+ArmV7DataCacheOperation (
+ IN ARM_V7_CACHE_OPERATION DataCacheOperation
+ )
+{
+ UINTN SavedInterruptState;
+
+ SavedInterruptState = ArmGetInterruptState ();
+ ArmDisableInterrupts ();
+
+ ArmV7AllDataCachesOperation (DataCacheOperation);
+
+ ArmDataSynchronizationBarrier ();
+
+ if (SavedInterruptState) {
+ ArmEnableInterrupts ();
+ }
+}
+
+VOID
+EFIAPI
+ArmInvalidateDataCache (
+ VOID
+ )
+{
+ ASSERT (!ArmMmuEnabled ());
+
+ ArmDataSynchronizationBarrier ();
+ ArmV7DataCacheOperation (ArmInvalidateDataCacheEntryBySetWay);
+}
+
+VOID
+EFIAPI
+ArmCleanInvalidateDataCache (
+ VOID
+ )
+{
+ ASSERT (!ArmMmuEnabled ());
+
+ ArmDataSynchronizationBarrier ();
+ ArmV7DataCacheOperation (ArmCleanInvalidateDataCacheEntryBySetWay);
+}
+
+VOID
+EFIAPI
+ArmCleanDataCache (
+ VOID
+ )
+{
+ ASSERT (!ArmMmuEnabled ());
+
+ ArmDataSynchronizationBarrier ();
+ ArmV7DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
+}
|