diff options
| author | Marvin Borner | 2020-06-22 23:35:31 +0200 |
|---|---|---|
| committer | Marvin Borner | 2020-06-22 23:35:31 +0200 |
| commit | be9629821a5770af1cfefe6f8c67687f9d0ae8e0 (patch) | |
| tree | f0c545e40f54aa8719b840136f2b47dc389762c6 | |
| parent | 0129acce7d9133d8199e2b6e5ac4b33fc799a8c2 (diff) | |
Some things
| -rw-r--r-- | src/entry.asm | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/entry.asm b/src/entry.asm index 0ee6862..1445596 100644 --- a/src/entry.asm +++ b/src/entry.asm @@ -68,6 +68,7 @@ disk_error_msg db "Disk error!", 0x0a, 0x0d, 0x00 lba_error_msg db "LBA error!", 0x0a, 0x0d, 0x00 stage_two_msg db "Stage2 loaded", 0x0a, 0x0d, 0x00 disk_success_msg db "Disk is valid", 0x0a, 0x0d, 0x00 +inode_table_msg db "Found inode table", 0x0a, 0x0d, 0x00 drive db 0 ; Data @@ -98,23 +99,22 @@ stage_two: mov si, disk_success_msg call print + ; load inode table mov ax, [superblock + 1024 + 8] ; Inode table mov cx, 2 mul cx ; ax = cx * ax - mov [lba], ax ; Sector - mov ax, 2 mov [count], ax ; Read 1024 bytes - mov bx, 0x1000 ; Copy data to 0x1000 mov [dest], bx - call disk_read + mov si, inode_table_msg + call print ; TODO: File crawling instead of fixed inode xor bx, bx - mov bx, 0x1200 ; First block (4 * 128 + dest) + mov bx, 0x1080 ; First block ((2 - 1) * 128 + dest) mov cx, [bx + 28] ; Number of sectors for inode lea di, [bx + 40] ; Address of first block pointer @@ -150,6 +150,7 @@ stage_three_load: protected_mode_enter: cli ; Turn off interrupts + ; TODO: Check A20 support? in al, 0x92 ; Enable A20 or al, 2 out 0x92, al |