1 #include <dprintf.h> 2 #include <stdio.h> 3 #include <string.h> 4 #include <stdbool.h> 5 #include <klibc/compiler.h> 6 #include <core.h> 7 #include <fs.h> 8 #include <disk.h> 9 #include <ilog2.h> 10 #include <minmax.h> 11 12 #include <syslinux/firmware.h> 13 14 void getoneblk(struct disk *disk, char *buf, block_t block, int block_size) 15 { 16 int sec_per_block = block_size / disk->sector_size; 17 18 disk->rdwr_sectors(disk, buf, block * sec_per_block, sec_per_block, 0); 19 } 20 21 /* 22 * Initialize the device structure. 23 */ 24 struct device * device_init(void *args) 25 { 26 static struct device dev; 27 28 dev.disk = firmware->disk_init(args); 29 dev.cache_size = 128*1024; 30 dev.cache_data = malloc(dev.cache_size); 31 dev.cache_init = 0; /* Explicitly set cache as uninitialized */ 32 33 return &dev; 34 } 35
