kamkow1/mop3
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fat_io_lib port WIP
All checks were successful
Build documentation / build-and-deploy (push) Successful in 3m12s
Details

Browse Source
This commit is contained in:
Kamil Kowalczyk
2026-02-26 23:33:03 +01:00
parent 9758d79303
commit baa13fb695
15 changed files with 3607 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
kernel/fs/vfs.c
View File

@@ -1,4 +1,6 @@
#include <device/device.h>
#include <fs/fat1.h>
#include <fs/fatfs.h>
#include <fs/tarfs.h>
#include <fs/vfs.h>
#include <id/id_alloc.h>
@@ -52,16 +54,21 @@ int vfs_create_volume (const char* key, int fs_type, struct device* back_device,
volume->lock = SPIN_LOCK_INIT;
switch (volume->fs_type) {
case VFS_TARFS: {
case VFS_TARFS:
volume->driver_ops.mount = &tarfs_mount;
volume->driver_ops.describe = &tarfs_describe;
volume->driver_ops.read = &tarfs_read;
volume->driver_ops.read_dir_entry = &tarfs_read_dir_entry;
} break;
default: {
break;
case VFS_FAT16:
volume->driver_ops.mount = &fatfs_mount;
volume->driver_ops.describe = &fatfs_describe;
volume->driver_ops.read = &fatfs_read;
volume->driver_ops.read_dir_entry = &fatfs_read_dir_entry;
break;
default:
free (volume);
return -ST_MOUNT_ERROR;
} break;
}
int ret = volume->driver_ops.mount (volume, proc, rctx);
@@ -208,3 +215,14 @@ void vfs_init (void) {
volume_table.lock = SPIN_LOCK_INIT;
}
void vfs_translate (size_t fs_block, size_t fs_block_count, size_t fs_block_size,
size_t device_sector_size, size_t* out_phys_sector, size_t* out_sector_count) {
size_t ratio = fs_block_size / device_sector_size;
if (out_phys_sector != NULL)
*out_phys_sector = fs_block * ratio;
if (out_sector_count != NULL)
*out_sector_count = fs_block_count * ratio;
}