| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #pragma once |
| 4 | |
| 5 | #include <cstddef> |
| 6 | #include <cstdint> |
| 7 | #include <mos/types.h> |
| 8 | |
| 9 | #define BLOCKDEV_BLOCK_SIZE 512 |
| 10 | |
| 11 | class RAMDisk |
| 12 | { |
| 13 | public: |
| 14 | RAMDisk(const size_t nbytes); |
| 15 | ~RAMDisk(); |
| 16 | |
| 17 | size_t read_block(const size_t block, const size_t nblocks, uint8_t *buf); |
| 18 | size_t write_block(const size_t block, const size_t nblocks, const uint8_t *buf); |
| 19 | |
| 20 | u32 nblocks() const |
| 21 | { |
| 22 | return m_nblocks; |
| 23 | } |
| 24 | |
| 25 | u32 block_size() const |
| 26 | { |
| 27 | return BLOCKDEV_BLOCK_SIZE; |
| 28 | } |
| 29 | |
| 30 | private: |
| 31 | const size_t m_nbytes; |
| 32 | const size_t m_nblocks; |
| 33 | uint8_t *m_data; |
| 34 | }; |
| 35 | |