FAT16 directory enumeration, making many functions static, new 'log' functions to wrap vga and serial

1 files changed, 15 insertions, 5 deletions

diff --git a/src/kernel/drive.h b/src/kernel/drive.h
index ca6d1ee..8eb6955 100644
--- a/src/kernel/drive.h
+++ b/src/kernel/drive.h
@@ -1,6 +1,7 @@
 #ifndef DRIVE_H
 #define DRIVE_H
 
+#include <stdbool.h>
 #include <stdint.h>
 
 typedef uint8_t drive_file_id_t;
@@ -9,20 +10,29 @@ typedef uint8_t fs_id_t;
 typedef uint8_t drive_id_t;
 
 #define MAX_DRIVES 256
+#define DCI_NAME_LEN 100
+
+struct directory_content_info {
+  bool is_dir;
+  char name[DCI_NAME_LEN];
+  uint32_t size;
+};
 
 struct drive {
   char *drive_type;
   char *fs_type;
 
-  uint8_t (*read_sectors)(const struct drive *d, uint32_t start, uint32_t count, void *buffer);
+  uint8_t (*read_sectors) (const struct drive *d, uint32_t start, uint32_t count, void *buffer);
   uint8_t (*write_sectors)(const struct drive *d, uint32_t start, uint32_t count, const void *buffer);
   uint32_t n_sectors;
   drive_id_t drive_id;
 
-  drive_file_id_t (*get_file)(const struct drive *d, const char *path);
-  void (*free_file)(const struct drive *d, drive_file_id_t fid);
-  void (*load_sector)(const struct drive *d, drive_file_id_t fid, uint32_t sector, void *at);
-  uint32_t (*get_free_sectors)(const struct drive *d);
+  drive_file_id_t (*get_file)        (const struct drive *d, const char *path);
+  void            (*free_file)       (const struct drive *d, drive_file_id_t fid);
+  void            (*load_sector)     (const struct drive *d, drive_file_id_t fid, uint32_t sector, void *at);
+  uint32_t        (*get_file_length) (const struct drive *d, drive_file_id_t fid);
+  uint32_t        (*enumerate_dir)   (const struct drive *d, const char *path, struct directory_content_info *info, uint32_t max);
+  uint32_t        (*get_free_sectors)(const struct drive *d);
   fs_id_t fs_id;
 };