mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/** @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
|
|
|