1 files changed, 56 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Sd/EmmcBlockIoPei/EmmcHcMem.h b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Sd/EmmcBlockIoPei/EmmcHcMem.h
new file mode 100644
index 00000000..e65b8dee
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Sd/EmmcBlockIoPei/EmmcHcMem.h
@@ -0,0 +1,56 @@
+/** @file
+
+Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _EMMC_PEIM_MEM_H_
+#define _EMMC_PEIM_MEM_H_
+
+#define EMMC_PEIM_MEM_BIT(a)          ((UINTN)(1 << (a)))
+
+#define EMMC_PEIM_MEM_BIT_IS_SET(Data, Bit)   \
+          ((BOOLEAN)(((Data) & EMMC_PEIM_MEM_BIT(Bit)) == EMMC_PEIM_MEM_BIT(Bit)))
+
+typedef struct _EMMC_PEIM_MEM_BLOCK EMMC_PEIM_MEM_BLOCK;
+
+struct _EMMC_PEIM_MEM_BLOCK {
+  UINT8                   *Bits;    // Bit array to record which unit is allocated
+  UINTN                   BitsLen;
+  UINT8                   *Buf;
+  UINT8                   *BufHost;
+  UINTN                   BufLen;   // Memory size in bytes
+  VOID                    *Mapping;
+  EMMC_PEIM_MEM_BLOCK     *Next;
+};
+
+typedef struct _EMMC_PEIM_MEM_POOL {
+  EMMC_PEIM_MEM_BLOCK     *Head;
+} EMMC_PEIM_MEM_POOL;
+
+//
+// Memory allocation unit, note that the value must meet EMMC spec alignment requirement.
+//
+#define EMMC_PEIM_MEM_UNIT           128
+
+#define EMMC_PEIM_MEM_UNIT_MASK      (EMMC_PEIM_MEM_UNIT - 1)
+#define EMMC_PEIM_MEM_DEFAULT_PAGES  16
+
+#define EMMC_PEIM_MEM_ROUND(Len)     (((Len) + EMMC_PEIM_MEM_UNIT_MASK) & (~EMMC_PEIM_MEM_UNIT_MASK))
+
+//
+// Advance the byte and bit to the next bit, adjust byte accordingly.
+//
+#define EMMC_PEIM_NEXT_BIT(Byte, Bit)   \
+          do {                \
+            (Bit)++;          \
+            if ((Bit) > 7) {  \
+              (Byte)++;       \
+              (Bit) = 0;      \
+            }                 \
+          } while (0)
+
+#endif
+