From 1acc542400d15ddf32f44e3f1ddb82f9c9fe4aab Mon Sep 17 00:00:00 2001
From: "leleraffa97@hotmail.it" <leleraffa97@hotmail.it>
Date: Sat, 26 Aug 2017 11:11:39 +0200
Subject: File system initialization
Simple I/O (sio) interfaced, not yet implemented
---
sw/z80/kernel/include/fs/dirent.h | 13 ++++++++
sw/z80/kernel/include/fs/fs.h | 65 +++++++++++++++++++++++++++++++++++++++
sw/z80/kernel/include/fs/mount.h | 15 +++++++++
sw/z80/kernel/include/fs/users.h | 6 ++++
4 files changed, 99 insertions(+)
create mode 100644 sw/z80/kernel/include/fs/dirent.h
create mode 100644 sw/z80/kernel/include/fs/fs.h
create mode 100644 sw/z80/kernel/include/fs/mount.h
create mode 100644 sw/z80/kernel/include/fs/users.h
(limited to 'sw/z80/kernel/include/fs')
diff --git a/sw/z80/kernel/include/fs/dirent.h b/sw/z80/kernel/include/fs/dirent.h
new file mode 100644
index 0000000..ea5699b
--- /dev/null
+++ b/sw/z80/kernel/include/fs/dirent.h
@@ -0,0 +1,13 @@
+#ifndef DIRENT_H
+#define DIRENT_H
+
+#include "types.h"
+
+struct dirent
+{
+ ino_t i_number; // inode referred
+ uint8_t name_size; // size of the name
+ char name[]; // name of the referred inode
+}
+
+#endif
diff --git a/sw/z80/kernel/include/fs/fs.h b/sw/z80/kernel/include/fs/fs.h
new file mode 100644
index 0000000..62bef36
--- /dev/null
+++ b/sw/z80/kernel/include/fs/fs.h
@@ -0,0 +1,65 @@
+#ifndef INODE_H
+#define INODE_H
+
+#include "types.h"
+
+#define FS_OFFSET 0x1000
+
+#define FS_BLOCKS_SIZE 512
+#define FS_BLOCKS_N 8
+#define FS_BLOCKS_IND 6
+
+#define INODE_TYPE_FILE 0x0
+#define INODE_TYPE_DIR 0x1
+#define INODE_TYPE_HLINK 0x2
+#define INODE_TYPE_SLINK 0x3
+
+typedef struct time_s
+{
+ struct
+ {
+ uint minutes :6;
+ uint hour :5;
+
+ } time;
+
+ struct
+ {
+ uint day :5;
+ uint month :4;
+ uint year :12;
+
+ } date;
+
+} time_t;
+
+struct fs_superblock
+{
+ uint8_t magic; // identifier
+
+ uint16_t blk_size; // size of a single block
+ uint16_t imap_size; // quantity of inodes
+ uint16_t dmap_size; // quantity of blocks
+}
+
+struct fs_inode
+{
+
+ /* inode meta data */
+ uint mode :3; // chmod
+ uint uid :3; // chown
+ uint type :2; // file, dir, hard-link, sym-link
+
+ /* data storage informations */
+ uint24_t size;
+ uint16_t blocks[FS_BLOCKS_N];
+
+}
+
+struct fs_inumber
+{
+ uint dev : 4; // device id, global in the fs
+ ino_t rel; // inode id relative to the volume
+}
+
+#endif
diff --git a/sw/z80/kernel/include/fs/mount.h b/sw/z80/kernel/include/fs/mount.h
new file mode 100644
index 0000000..a0edd5d
--- /dev/null
+++ b/sw/z80/kernel/include/fs/mount.h
@@ -0,0 +1,15 @@
+#ifndef MOUNT_H
+#define MOUNT_H
+
+#include "fs.h"
+
+#define FS_MOUNT_LIMIT 16
+
+struct fs_mount_point
+{
+ struct fs_inumber inode; // dir mounted
+ uint serial_port :4;
+ struct fs_superblock superblock; // block informations
+}
+
+#endif
diff --git a/sw/z80/kernel/include/fs/users.h b/sw/z80/kernel/include/fs/users.h
new file mode 100644
index 0000000..7e4016b
--- /dev/null
+++ b/sw/z80/kernel/include/fs/users.h
@@ -0,0 +1,6 @@
+#ifndef USERS_H
+#define USERS_H
+
+
+
+#endif
--
cgit v1.2.1
From 57a35f750781dad141dc5ab6120afe9c1244981f Mon Sep 17 00:00:00 2001
From: "leleraffa97@hotmail.it" <leleraffa97@hotmail.it>
Date: Sat, 26 Aug 2017 14:49:07 +0200
Subject: time to inode
---
sw/z80/kernel/include/fs/fs.h | 2 ++
1 file changed, 2 insertions(+)
(limited to 'sw/z80/kernel/include/fs')
diff --git a/sw/z80/kernel/include/fs/fs.h b/sw/z80/kernel/include/fs/fs.h
index 62bef36..2a0e9d4 100644
--- a/sw/z80/kernel/include/fs/fs.h
+++ b/sw/z80/kernel/include/fs/fs.h
@@ -50,6 +50,8 @@ struct fs_inode
uint uid :3; // chown
uint type :2; // file, dir, hard-link, sym-link
+ time_t ctime; // creation time
+
/* data storage informations */
uint24_t size;
uint16_t blocks[FS_BLOCKS_N];
--
cgit v1.2.1