mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-23 07:35:19 +00:00
297 lines
5.4 KiB
Plaintext
297 lines
5.4 KiB
Plaintext
NEW
|
||
PREFIX
|
||
AUTO 4,1
|
||
*--------------------------------------
|
||
* # FStat
|
||
* Return information about a hFILE
|
||
* ## C
|
||
* `int fstat(short int hFILE, struct stat *statbuf);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW statbuf`
|
||
* `lda hFILE`
|
||
* `>SYSCALL fstat`
|
||
* ## RETURN VALUE
|
||
*--------------------------------------
|
||
K.FStat jsr PFT.CheckNodeA
|
||
bcs K.FStat.9
|
||
|
||
tax
|
||
lda OF.Table.hPath,x
|
||
jsr K.GetMemPtr
|
||
|
||
jsr PFT.YAToMLIPATH
|
||
|
||
jsr K.Stat.I
|
||
bcs K.Stat.9
|
||
|
||
lda (pFD) #S.FD.T
|
||
bne K.Stat.BLK2SIZE
|
||
|
||
ldy #S.FD.REG.REF
|
||
lda (pFD),y
|
||
sta K.MLI.PARAMS+1
|
||
|
||
>MLICALL MLIGETEOF
|
||
bcs K.Stat.BLK2SIZE
|
||
|
||
ldy #S.STAT.SIZE+3
|
||
lda #0
|
||
sta (ZPPtr1),y
|
||
|
||
ldx #2
|
||
|
||
.1 lda K.MLI.PARAMS+2,x
|
||
dey
|
||
sta (ZPPtr1),y
|
||
dex
|
||
bpl .1
|
||
|
||
* clc
|
||
rts
|
||
|
||
K.FStat.9 >RET 2 discard statbuf
|
||
*/--------------------------------------
|
||
* # Stat
|
||
* Return information about a file
|
||
* ## C
|
||
* `int stat(const char *pathname, struct stat *statbuf);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW statbuf`
|
||
* `>LDYA pathname`
|
||
* `>SYSCALL stat`
|
||
* ## RETURN VALUE
|
||
*\--------------------------------------
|
||
K.Stat jsr PFT.CheckPathYA
|
||
bcs K.FStat.9 go discard statbuf
|
||
|
||
jsr K.Stat.I
|
||
bcs K.Stat.9
|
||
K.Stat.BLK2SIZE
|
||
ldy #S.STAT.SIZE
|
||
lda #0
|
||
sta (ZPPtr1),y
|
||
|
||
iny
|
||
|
||
lda K.MLI.PARAMS+S.FI.UBLKS
|
||
asl
|
||
sta (ZPPtr1),y
|
||
|
||
iny
|
||
|
||
lda K.MLI.PARAMS+S.FI.UBLKS+1
|
||
rol
|
||
sta (ZPPtr1),y
|
||
|
||
iny
|
||
|
||
lda #0
|
||
rol
|
||
sta (ZPPtr1),y
|
||
|
||
* clc
|
||
K.Stat.9 rts
|
||
|
||
K.Stat.I >PULLW ZPPtr1 Get StatBuf
|
||
|
||
>MLICALL MLIGETFILEINFO
|
||
bcs .9
|
||
|
||
ldx K.MLI.PARAMS+S.FI.A
|
||
|
||
lda #S.STAT.MODE.XO+S.STAT.MODE.WO+S.STAT.MODE.RO
|
||
cpx #S.FI.A.FULL
|
||
beq .2
|
||
|
||
lda #S.STAT.MODE.XO+S.STAT.MODE.RO
|
||
cpx #S.FI.A.R
|
||
beq .2
|
||
|
||
lda #0
|
||
|
||
.2 ldy #S.STAT.MODE
|
||
sta (ZPPtr1),y
|
||
|
||
ldx #K.Stat.DST-K.Stat.SRC
|
||
|
||
.3 ldy K.Stat.SRC-1,x
|
||
lda K.MLI.PARAMS,y
|
||
ldy K.Stat.DST-1,x
|
||
sta (ZPPtr1),y
|
||
dex
|
||
bne .3
|
||
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
K.Stat.SRC .DA #S.FI.T
|
||
.DA #S.FI.AUXTYPE,#S.FI.AUXTYPE+1
|
||
.DA #S.FI.UBLKS,#S.FI.UBLKS+1
|
||
K.Stat.DST .DA #S.STAT.P.TYPE
|
||
.DA #S.STAT.P.AUXTYPE,#S.STAT.P.AUXTYPE+1
|
||
.DA #S.STAT.BLOCKS,#S.STAT.BLOCKS+1
|
||
*/-------------------------------------
|
||
* # MKDir
|
||
* create a directory
|
||
* ## C
|
||
* `int mkdir(const char *pathname, int mode);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW mode`
|
||
* `>LDYA pathname`
|
||
* `>SYSCALL mkdir`
|
||
* ## RETURN VALUE
|
||
* CC : success
|
||
* CS : error
|
||
* A = EC
|
||
*\-------------------------------------
|
||
K.MKDir jsr PFT.CheckPathYA
|
||
bcs K.Stat.9
|
||
|
||
lda #S.FI.T.DIR
|
||
sta K.MLI.PARAMS+4
|
||
stz K.MLI.PARAMS+5
|
||
stz K.MLI.PARAMS+6
|
||
lda #S.FI.ST.DIR
|
||
jmp IO.MLI.CREATE
|
||
*/--------------------------------------
|
||
* # MkNod
|
||
* Create a special or ordinary file.
|
||
* (CDEV, BDEV, DSOCKS, SSOCK, PIPE)
|
||
* ## C
|
||
* `hFILE mknod(const char *pathname, int mode, hFD fd);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHB fd`
|
||
* `>PUSHW mode`
|
||
* `>LDYA pathname`
|
||
* `>SYSCALL mknod`
|
||
* ## RETURN VALUE
|
||
* CC = OK, CS = ERROR
|
||
* A = hFILE
|
||
*\--------------------------------------
|
||
K.MkNod >STYA ZPPtr1 pathname
|
||
|
||
>PULLW K.S.STAT+S.STAT.MODE
|
||
>PULLB K.S.STAT+S.STAT.DEV
|
||
|
||
jsr K.GetMemPtr
|
||
bcs K.MKNOD.RTS
|
||
|
||
>STYA pFD
|
||
|
||
>LDYA ZPPtr1
|
||
ldx K.S.STAT+S.STAT.DEV
|
||
jsr STAT.NewhNodeYAX
|
||
bcs K.MKNOD.RTS
|
||
|
||
lda (pFD) #S.FD.T
|
||
|
||
tax
|
||
jmp (.8,x)
|
||
|
||
.8 .DA STDIO.IOERR REG
|
||
.DA STDIO.IOERR DIR
|
||
.DA STAT.MKNOD.CDEV
|
||
.DA STAT.MKNOD.BDEV
|
||
.DA STDIO.IOERR LNK
|
||
.DA STAT.MKNOD.DSOCK
|
||
.DA STAT.MKNOD.SSOCK
|
||
.DA STAT.MKNOD.PIPE
|
||
*--------------------------------------
|
||
STAT.MKNOD.CDEV
|
||
STAT.MKNOD.BDEV
|
||
STAT.MKNOD.DSOCK
|
||
STAT.MKNOD.SSOCK
|
||
STAT.MKNOD.PIPE
|
||
clc
|
||
K.MKNOD.RTS rts
|
||
*/--------------------------------------
|
||
* # MKFIFO
|
||
* return a hFILE to a new FIFO
|
||
* ## C
|
||
* `hFILE mkfifo(const char *pathname, int mode);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW mode`
|
||
* `>LDYA pathname`
|
||
* `>SYSCALL mkfifo`
|
||
* ## RETURN VALUE
|
||
* CC = OK, CS = ERROR
|
||
* A = hFILE
|
||
*\--------------------------------------
|
||
K.MKFIFO >LDYAI K.PIPE.SIZE
|
||
jsr K.GetMem
|
||
bcs .99
|
||
|
||
stx .1+1 save PIPE buffer
|
||
|
||
>LDYAI S.FD.PIPE
|
||
ldx #S.MEM.F.INIT0+S.MEM.F.FD
|
||
jsr MEM.GetMem.YAX
|
||
|
||
bcs .9
|
||
|
||
>STYA pFD
|
||
|
||
ldy #S.FD.T
|
||
lda #S.FD.T.PIPE
|
||
sta (pFD),y
|
||
|
||
iny S.FD.PIPE.hMem
|
||
.1 lda #$ff Self Modified
|
||
sta (pFD),y
|
||
txa
|
||
clc
|
||
rts
|
||
|
||
.9 pha save error code
|
||
lda .1+1 get back PIPE buffer
|
||
jsr K.FreeMem
|
||
pla
|
||
sec
|
||
|
||
.99 rts
|
||
*--------------------------------------
|
||
STAT.NewhNodeYAX
|
||
pha
|
||
stx .4+1 Store hFD
|
||
|
||
ldx #0
|
||
|
||
.1 lda Nod.Table.hFD,x
|
||
beq .2
|
||
|
||
inx
|
||
cpx #K.Nod.MAX
|
||
bne .1
|
||
|
||
pla
|
||
lda #E.OOH
|
||
* sec
|
||
rts
|
||
|
||
.2 stx .3+1 Store hFILE
|
||
|
||
pla
|
||
>SYSCALL StrDup
|
||
bcs .9
|
||
txa
|
||
|
||
.3 ldx #$ff SELF MODIFIED
|
||
sta Nod.Table.hPath,x
|
||
.4 lda #$ff SELF MODIFIED
|
||
sta Nod.Table.hFD,x
|
||
|
||
txa hNODE
|
||
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/SYS/KERNEL.S.STAT
|
||
LOAD USR/SRC/SYS/KERNEL.S
|
||
ASM
|