diff options
Diffstat (limited to '')
| -rw-r--r-- | include/gbos.inc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/gbos.inc b/include/gbos.inc index 770bd55..c4804c4 100644 --- a/include/gbos.inc +++ b/include/gbos.inc @@ -85,6 +85,7 @@ DEF PROC_EXIT RB 1 ; exit code (valid when PS_ZOMBIE) DEF PROC_STDIN RB 1 ; $FF = console, else an open-file fd DEF PROC_STDOUT RB 1 ; $FF = console, else an open-file fd DEF PROC_PROG RB 1 ; program id currently running ($FF = none), for ps +DEF PROC_CWD RB 1 ; current working directory (inode #) DEF PROC_SIZE RB 0 DEF KILL_CODE EQU 137 ; exit status of a killed process (128 + SIGKILL) @@ -118,8 +119,11 @@ DEF SYS_PS EQU 20 ; process table entry (B=slot, DE=buf3 -> A= DEF SYS_PROGNAME EQU 21 ; program id -> name (B=id, DE=namebuf) DEF SYS_REAP EQU 22 ; reap a zombie child, nohang (-> A=pid or 0) DEF SYS_BFILL EQU 23 ; [debug] fill a disk block (B=block, E=byte) -DEF SYS_BPEEK EQU 24 ; [debug] read a disk block[0] (B=block -> A) -DEF SYS_MAX EQU 25 +DEF SYS_BPEEK EQU 24 ; [debug] read a disk block (B=block, E=off -> A) +DEF SYS_MKDIR EQU 25 ; make a directory (DE=path -> A=0/$FF) +DEF SYS_CHDIR EQU 26 ; change directory (DE=path -> A=0/$FF) +DEF SYS_OPENDIR EQU 27 ; point ls at a directory (DE=path -> A=0/$FF) +DEF SYS_MAX EQU 28 ; SYS_KILL (9) is now implemented (B=pid -> A=0/$FF; pid 1 is immortal) ; (SYS_OPEN=4 / SYS_CLOSE=5 are now implemented by the filesystem) @@ -136,7 +140,7 @@ DEF BLK_SUPER EQU 0 DEF BLK_BITMAP EQU 1 DEF BLK_INODE0 EQU 2 ; inode table = blocks 2,3 DEF BLK_DATA0 EQU 4 ; first data block -DEF FS_VERSION EQU 2 +DEF FS_VERSION EQU 3 ; bumped: dirs now carry "."/".." entries DEF NINODES EQU 32 DEF ROOT_INO EQU 1 DEF NDIRECT EQU 8 ; direct block pointers per inode -> files <= 2 KiB @@ -196,5 +200,6 @@ DEF PROG_PS EQU 16 DEF PROG_KILL EQU 17 DEF PROG_SPIN EQU 18 DEF PROG_BLK EQU 19 +DEF PROG_MKDIR EQU 20 ENDC |