projects / mirror_edk2.git / blame
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|---|---|---|
| 48555339 FT |
1 | /** @file\r |
| 2 | \r | |
| 77af8668 | 3 | Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>\r |
| 48555339 FT |
4 | \r |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions\r | |
| 7 | of the BSD License which accompanies this distribution. The\r | |
| 8 | full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #ifndef _SD_PEIM_MEM_H_\r | |
| 17 | #define _SD_PEIM_MEM_H_\r | |
| 18 | \r | |
| 19 | #define SD_PEIM_MEM_BIT(a) ((UINTN)(1 << (a)))\r | |
| 20 | \r | |
| 21 | #define SD_PEIM_MEM_BIT_IS_SET(Data, Bit) \\r | |
| 22 | ((BOOLEAN)(((Data) & SD_PEIM_MEM_BIT(Bit)) == SD_PEIM_MEM_BIT(Bit)))\r | |
| 23 | \r | |
| 24 | typedef struct _SD_PEIM_MEM_BLOCK SD_PEIM_MEM_BLOCK;\r | |
| 25 | \r | |
| 26 | struct _SD_PEIM_MEM_BLOCK {\r | |
| 27 | UINT8 *Bits; // Bit array to record which unit is allocated\r | |
| 28 | UINTN BitsLen;\r | |
| 29 | UINT8 *Buf;\r | |
| 77af8668 | 30 | UINT8 *BufHost;\r |
| 48555339 | 31 | UINTN BufLen; // Memory size in bytes\r |
| 77af8668 | 32 | VOID *Mapping;\r |
| 48555339 FT |
33 | SD_PEIM_MEM_BLOCK *Next;\r |
| 34 | };\r | |
| 35 | \r | |
| 36 | typedef struct _SD_PEIM_MEM_POOL {\r | |
| 37 | SD_PEIM_MEM_BLOCK *Head;\r | |
| 38 | } SD_PEIM_MEM_POOL;\r | |
| 39 | \r | |
| 40 | //\r | |
| 41 | // Memory allocation unit, note that the value must meet SD spec alignment requirement.\r | |
| 42 | //\r | |
| 43 | #define SD_PEIM_MEM_UNIT 128\r | |
| 44 | \r | |
| 45 | #define SD_PEIM_MEM_UNIT_MASK (SD_PEIM_MEM_UNIT - 1)\r | |
| 46 | #define SD_PEIM_MEM_DEFAULT_PAGES 16\r | |
| 47 | \r | |
| 48 | #define SD_PEIM_MEM_ROUND(Len) (((Len) + SD_PEIM_MEM_UNIT_MASK) & (~SD_PEIM_MEM_UNIT_MASK))\r | |
| 49 | \r | |
| 50 | //\r | |
| 51 | // Advance the byte and bit to the next bit, adjust byte accordingly.\r | |
| 52 | //\r | |
| 53 | #define SD_PEIM_NEXT_BIT(Byte, Bit) \\r | |
| 54 | do { \\r | |
| 55 | (Bit)++; \\r | |
| 56 | if ((Bit) > 7) { \\r | |
| 57 | (Byte)++; \\r | |
| 58 | (Bit) = 0; \\r | |
| 59 | } \\r | |
| 60 | } while (0)\r | |
| 61 | \r | |
| 62 | #endif\r | |
| 63 | \r |