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-rw-r--r--ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c25
-rw-r--r--ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c27
-rw-r--r--ArmPkg/Library/ArmLib/Common/ArmLib.c18
3 files changed, 18 insertions, 52 deletions
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
index 4bea203..dec125f 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
@@ -21,31 +21,6 @@
#include "AArch64Lib.h"
#include "ArmLibPrivate.h"
-UINTN
-EFIAPI
-ArmDataCacheLineLength (
- VOID
- )
-{
- UINT32 CCSIDR = ReadCCSIDR (0) & 7;
-
- // * 4 converts to bytes
- return (1 << (CCSIDR + 2)) * 4;
-}
-
-UINTN
-EFIAPI
-ArmInstructionCacheLineLength (
- VOID
- )
-{
- UINT32 CCSIDR = ReadCCSIDR (1) & 7;
-
- // * 4 converts to bytes
- return (1 << (CCSIDR + 2)) * 4;
-}
-
-
VOID
AArch64DataCacheOperation (
IN AARCH64_CACHE_OPERATION DataCacheOperation
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
index 44edff8..b53f455 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.c
@@ -20,33 +20,6 @@
#include "ArmV7Lib.h"
#include "ArmLibPrivate.h"
-UINTN
-EFIAPI
-ArmDataCacheLineLength (
- VOID
- )
-{
- UINT32 CCSIDR = ReadCCSIDR (0) & 7;
-
- // * 4 converts to bytes
- return (1 << (CCSIDR + 2)) * 4;
-}
-
-UINTN
-EFIAPI
-ArmInstructionCacheLineLength (
- VOID
- )
-{
- UINT32 CCSIDR = ReadCCSIDR (1) & 7;
-
- // * 4 converts to bytes
- return (1 << (CCSIDR + 2)) * 4;
-
-// return 64;
-}
-
-
VOID
ArmV7DataCacheOperation (
IN ARM_V7_CACHE_OPERATION DataCacheOperation
diff --git a/ArmPkg/Library/ArmLib/Common/ArmLib.c b/ArmPkg/Library/ArmLib/Common/ArmLib.c
index 4febc45..ad0a265 100644
--- a/ArmPkg/Library/ArmLib/Common/ArmLib.c
+++ b/ArmPkg/Library/ArmLib/Common/ArmLib.c
@@ -70,3 +70,21 @@ ArmUnsetCpuActlrBit (
Value &= ~Bits;
ArmWriteCpuActlr (Value);
}
+
+UINTN
+EFIAPI
+ArmDataCacheLineLength (
+ VOID
+ )
+{
+ return 4 << ((ArmCacheInfo () >> 16) & 0xf); // CTR_EL0.DminLine
+}
+
+UINTN
+EFIAPI
+ArmInstructionCacheLineLength (
+ VOID
+ )
+{
+ return 4 << (ArmCacheInfo () & 0xf); // CTR_EL0.IminLine
+}