| /** @file | |
| Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #ifndef _SD_PEIM_MEM_H_ | |
| #define _SD_PEIM_MEM_H_ | |
| #define SD_PEIM_MEM_BIT(a) ((UINTN)(1 << (a))) | |
| #define SD_PEIM_MEM_BIT_IS_SET(Data, Bit) \ | |
| ((BOOLEAN)(((Data) & SD_PEIM_MEM_BIT(Bit)) == SD_PEIM_MEM_BIT(Bit))) | |
| typedef struct _SD_PEIM_MEM_BLOCK SD_PEIM_MEM_BLOCK; | |
| struct _SD_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; | |
| SD_PEIM_MEM_BLOCK *Next; | |
| }; | |
| typedef struct _SD_PEIM_MEM_POOL { | |
| SD_PEIM_MEM_BLOCK *Head; | |
| } SD_PEIM_MEM_POOL; | |
| // | |
| // Memory allocation unit, note that the value must meet SD spec alignment requirement. | |
| // | |
| #define SD_PEIM_MEM_UNIT 128 | |
| #define SD_PEIM_MEM_UNIT_MASK (SD_PEIM_MEM_UNIT - 1) | |
| #define SD_PEIM_MEM_DEFAULT_PAGES 16 | |
| #define SD_PEIM_MEM_ROUND(Len) (((Len) + SD_PEIM_MEM_UNIT_MASK) & (~SD_PEIM_MEM_UNIT_MASK)) | |
| // | |
| // Advance the byte and bit to the next bit, adjust byte accordingly. | |
| // | |
| #define SD_PEIM_NEXT_BIT(Byte, Bit) \ | |
| do { \ | |
| (Bit)++; \ | |
| if ((Bit) > 7) { \ | |
| (Byte)++; \ | |
| (Bit) = 0; \ | |
| } \ | |
| } while (0) | |
| #endif |