1 files changed, 74 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/ArmLib/ArmLibPrivate.h b/roms/edk2/ArmPkg/Library/ArmLib/ArmLibPrivate.h
new file mode 100644
index 000000000..2e90739eb
--- /dev/null
+++ b/roms/edk2/ArmPkg/Library/ArmLib/ArmLibPrivate.h
@@ -0,0 +1,74 @@
+/** @file
+
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __ARM_LIB_PRIVATE_H__
+#define __ARM_LIB_PRIVATE_H__
+
+#define CACHE_SIZE_4_KB             (3UL)
+#define CACHE_SIZE_8_KB             (4UL)
+#define CACHE_SIZE_16_KB            (5UL)
+#define CACHE_SIZE_32_KB            (6UL)
+#define CACHE_SIZE_64_KB            (7UL)
+#define CACHE_SIZE_128_KB           (8UL)
+
+#define CACHE_ASSOCIATIVITY_DIRECT  (0UL)
+#define CACHE_ASSOCIATIVITY_4_WAY   (2UL)
+#define CACHE_ASSOCIATIVITY_8_WAY   (3UL)
+
+#define CACHE_PRESENT               (0UL)
+#define CACHE_NOT_PRESENT           (1UL)
+
+#define CACHE_LINE_LENGTH_32_BYTES  (2UL)
+
+#define SIZE_FIELD_TO_CACHE_SIZE(x)           (((x) >> 6) & 0x0F)
+#define SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(x)  (((x) >> 3) & 0x07)
+#define SIZE_FIELD_TO_CACHE_PRESENCE(x)       (((x) >> 2) & 0x01)
+#define SIZE_FIELD_TO_CACHE_LINE_LENGTH(x)    (((x) >> 0) & 0x03)
+
+#define DATA_CACHE_SIZE_FIELD(x)              (((x) >> 12) & 0x0FFF)
+#define INSTRUCTION_CACHE_SIZE_FIELD(x)       (((x) >>  0) & 0x0FFF)
+
+#define DATA_CACHE_SIZE(x)                    (SIZE_FIELD_TO_CACHE_SIZE(DATA_CACHE_SIZE_FIELD(x)))
+#define DATA_CACHE_ASSOCIATIVITY(x)           (SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(DATA_CACHE_SIZE_FIELD(x)))
+#define DATA_CACHE_PRESENT(x)                 (SIZE_FIELD_TO_CACHE_PRESENCE(DATA_CACHE_SIZE_FIELD(x)))
+#define DATA_CACHE_LINE_LENGTH(x)             (SIZE_FIELD_TO_CACHE_LINE_LENGTH(DATA_CACHE_SIZE_FIELD(x)))
+
+#define INSTRUCTION_CACHE_SIZE(x)             (SIZE_FIELD_TO_CACHE_SIZE(INSTRUCTION_CACHE_SIZE_FIELD(x)))
+#define INSTRUCTION_CACHE_ASSOCIATIVITY(x)    (SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(INSTRUCTION_CACHE_SIZE_FIELD(x)))
+#define INSTRUCTION_CACHE_PRESENT(x)          (SIZE_FIELD_TO_CACHE_PRESENCE(INSTRUCTION_CACHE_SIZE_FIELD(x)))
+#define INSTRUCTION_CACHE_LINE_LENGTH(x)      (SIZE_FIELD_TO_CACHE_LINE_LENGTH(INSTRUCTION_CACHE_SIZE_FIELD(x)))
+
+#define CACHE_TYPE(x)                         (((x) >> 25) & 0x0F)
+#define CACHE_TYPE_WRITE_BACK                 (0x0EUL)
+
+#define CACHE_ARCHITECTURE(x)                 (((x) >> 24) & 0x01)
+#define CACHE_ARCHITECTURE_UNIFIED            (0UL)
+#define CACHE_ARCHITECTURE_SEPARATE           (1UL)
+
+VOID
+CPSRMaskInsert (
+  IN  UINT32  Mask,
+  IN  UINT32  Value
+  );
+
+UINT32
+CPSRRead (
+  VOID
+  );
+
+UINT32
+ReadCCSIDR (
+  IN UINT32 CSSELR
+  );
+
+UINT32
+ReadCLIDR (
+  VOID
+  );
+
+#endif // __ARM_LIB_PRIVATE_H__