| 35,10 → 35,48 |
|---|
| #ifndef KERN_RD_H_ |
| #define KERN_RD_H_ |
| |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| extern bool init_rd(void * addr); |
| /** |
| * RAM disk version |
| */ |
| #define RD_VERSION 0 |
| |
| /** |
| * RAM disk magic number |
| */ |
| #define RD_MAGIC_SIZE 4 |
| #define RD_MAG0 'H' |
| #define RD_MAG1 'O' |
| #define RD_MAG2 'R' |
| #define RD_MAG3 'D' |
| |
| /** |
| * RAM disk data encoding types |
| */ |
| #define RD_DATA_NONE 0 |
| #define RD_DATA_LSB 1 /* Least significant byte first (little endian) */ |
| #define RD_DATA_MSB 2 /* Most signigicant byte first (big endian) */ |
| |
| /** |
| * RAM disk error return codes |
| */ |
| #define RE_OK 0 /* No error */ |
| #define RE_INVALID 1 /* Invalid RAM disk image */ |
| #define RE_UNSUPPORTED 2 /* Non-supported image (e.g. wrong version) */ |
| |
| /** RAM disk header */ |
| typedef struct { |
| uint8_t magic[RD_MAGIC_SIZE]; |
| uint8_t version; |
| uint8_t data_type; |
| uint32_t header_size; |
| uint64_t data_size; |
| } rd_header; |
| |
| extern int init_rd(rd_header * addr); |
| |
| #endif |
| |
| /** @} |