Added MBR driver and better disk creation

2 files changed, 32 insertions, 4 deletions

diff --git a/kernel/inc/fs.h b/kernel/inc/fs.h
index 329af21..a1cb696 100644
--- a/kernel/inc/fs.h
+++ b/kernel/inc/fs.h
@@ -15,7 +15,7 @@ enum dev_type { DEV_BLOCK, DEV_CHAR };
 
 struct vfs_dev {
 	u32 id;
-	const char *name;
+	char name[8];
 	enum dev_type type;
 	struct vfs *vfs;
 	void *data;
@@ -65,6 +65,8 @@ res vfs_read(const char *path, void *buf, u32 offset, u32 count);
 res vfs_write(const char *path, const void *buf, u32 offset, u32 count);
 res vfs_stat(const char *path, struct stat *buf);
 
+void vfs_load(struct vfs_dev *dev) NONNULL;
+
 struct vfs_dev *device_get_by_name(const char *name) NONNULL;
 struct vfs_dev *device_get_by_id(u32 id) NONNULL;
 
@@ -170,8 +172,6 @@ struct ext2_file {
 	u32 curr_block_pos;
 };
 
-res ext2_read(const char *path, void *buf, u32 offset, u32 count, struct vfs_dev *dev) NONNULL;
-res ext2_stat(const char *path, struct stat *buf, struct vfs_dev *dev) NONNULL;
-res ext2_perm(const char *path, enum vfs_perm perm, struct vfs_dev *dev) NONNULL;
+u8 ext2_load(struct vfs_dev *dev) NONNULL;
 
 #endif
diff --git a/kernel/inc/mbr.h b/kernel/inc/mbr.h
new file mode 100644
index 0000000..07f6da0
--- /dev/null
+++ b/kernel/inc/mbr.h
@@ -0,0 +1,28 @@
+// MIT License, Copyright (c) 2021 Marvin Borner
+
+#ifndef MBR_H
+#define MBR_H
+
+#include <def.h>
+#include <fs.h>
+
+struct mbr_entry {
+	u8 attributes;
+	u8 chs_start[3];
+	u8 type;
+	u8 chs_end[3];
+	u32 start;
+	u32 size;
+} PACKED;
+
+struct mbr {
+	u8 bootstrap[440];
+	u32 signature;
+	u16 reserved;
+	struct mbr_entry entries[4];
+	u16 magic;
+} PACKED;
+
+u8 mbr_load(struct vfs_dev *dev);
+
+#endif