mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-03 12:06:05 +00:00
366 lines
6.9 KiB
Plaintext
366 lines
6.9 KiB
Plaintext
NEW
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AUTO 3,1
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*/--------------------------------------
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* # ChTyp
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* Change The type of a ProDOS File
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* ## C
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* `int chtyp(const char *filepath, short int filetype);`
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* ## ASM
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* `>PUSHW filepath`
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* `>PUSHB filetype`
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* `>SYSCALL chtyp`
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* ## RETURN VALUE
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*\--------------------------------------
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K.ChTyp jsr PFT.CheckPath1
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bcs .9
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>MLICALL MLIGETFILEINFO
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bcs .9
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lda (pStack)
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sta K.MLI.PARAMS+S.FI.T
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>MLICALL MLISETFILEINFO
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.9 >RET 3
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*--------------------------------------
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* # ChMod
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* change permissions of a file
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* ## C
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* `int chmod(const char *pathname, int mode);`
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* ## ASM
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* `>PUSHW pathname`
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* `>PUSHW mode`
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* `>SYSCALL chmod`
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* ## RETURN VALUE
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*--------------------------------------
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* only 777-555
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*--------------------------------------
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K.ChMod jsr PFT.CheckPath2
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bcs K.ChMod.RET4
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jsr STAT.PullPathAndMode
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lda K.S.STAT+S.STAT.MODE+1
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and /S.STAT.MODE.RU
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beq .9
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lda K.S.STAT+S.STAT.MODE
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and #S.STAT.MODE.XO+S.STAT.MODE.RO+S.STAT.MODE.XG+S.STAT.MODE.RG+S.STAT.MODE.XU+S.STAT.MODE.RU
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cmp #S.STAT.MODE.XO+S.STAT.MODE.RO+S.STAT.MODE.XG+S.STAT.MODE.RG+S.STAT.MODE.XU+S.STAT.MODE.RU
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bne .9
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>MLICALL MLIGETFILEINFO
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bcs .90
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lda K.MLI.PARAMS+S.FI.A
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and #$3D not S.FI.A.RN+S.FI.A.D+S.FI.A.W
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ora #S.FI.A.R
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tax
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lda K.S.STAT+S.STAT.MODE
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tay
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bit #S.STAT.MODE.WG
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beq .1
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txa
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ora #S.FI.A.RN
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tax
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tya
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.1 bit #S.STAT.MODE.WU
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beq .2
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txa
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ora #S.FI.A.D
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tax
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tya
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.2 bit #S.STAT.MODE.WO
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beq .3
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txa
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ora #S.FI.A.W
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tax
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.3 stx K.MLI.PARAMS+S.FI.A
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>MLICALL MLISETFILEINFO
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rts
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.9 lda #E.SYN
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sec
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.90 rts
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K.ChMod.RET4 >RET 4 discard statbuf
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*--------------------------------------
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* # FStat
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* Return information about a hFILE
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* ## C
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* `int fstat(short int hFILE, struct stat *statbuf);`
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* ## ASM
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* `>PUSHB hFILE`
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* `>PUSHW statbuf`
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* `>SYSCALL fstat`
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* ## RETURN VALUE
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*--------------------------------------
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K.FStat >PULLW K.Stat.Store.2+1
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>PULLA
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jsr PFT.CheckNodeA
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bcs K.Stat.Store.RTS
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tax
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lda OF.Table.hPath-1,x
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jsr K.GetMemPtr
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jsr PFT.YAToMLIPATH
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jsr SHARED.Stat.I
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bcs K.Stat.Store.RTS
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lda (pFD) #S.FD.T
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bne K.Stat.Store
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ldy #S.FD.REG.REF
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lda (pFD),y
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sta K.MLI.PARAMS+1
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>MLICALL MLIGETEOF
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bcs K.Stat.Store.RTS
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ldx #2
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.1 lda K.MLI.PARAMS+2,x
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sta K.S.STAT+S.STAT.SIZE,x
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dex
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bpl .1
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K.Stat.Store ldy #S.STAT-1
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K.Stat.Store.1 lda K.S.STAT,y
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K.Stat.Store.2 sta $ffff,y SELF MODIFIED
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dey
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bpl K.Stat.Store.1
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* clc
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K.Stat.Store.RTS
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rts
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*/--------------------------------------
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* # Stat
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* Return information about a file
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* ## C
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* `int stat(const char *pathname, struct stat *statbuf);`
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* ## ASM
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* `>PUSHW pathname`
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* `>PUSHW statbuf`
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* `>SYSCALL stat`
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* ## RETURN VALUE
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*\--------------------------------------
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K.Stat jsr PFT.CheckPath2
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bcs K.ChMod.RET4 go discard statbuf
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>PULLW K.Stat.Store.2+1
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inc pStack
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inc pStack
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jsr SHARED.Stat.I
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bcc K.Stat.Store
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rts
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*/-------------------------------------
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* # MKDir
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* create a directory
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* ## C
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* `int mkdir(const char *pathname, int mode);`
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* ## ASM
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* `>PUSHW pathname`
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* `>PUSHW mode`
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* `>SYSCALL mkdir`
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* ## RETURN VALUE
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* CC : success
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* CS : error
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* A = EC
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*\-------------------------------------
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K.MKDir jsr PFT.CheckPath2
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bcs K.ChMod.RET4
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jsr STAT.PullPathAndMode
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lda #S.FI.T.DIR
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sta K.MLI.PARAMS+4
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stz K.MLI.PARAMS+5
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stz K.MLI.PARAMS+6
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lda #S.FI.ST.DIR
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jmp IO.MLI.CREATE
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*/--------------------------------------
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* # MKFIFO
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* return a pathname to a new FIFO
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* ## C
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* `hFILE mkfifo(const char *pathname, int mode);`
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* ## ASM
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* `>PUSHW pathname`
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* `>PUSHW mode`
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* `>SYSCALL mkfifo`
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* ## RETURN VALUE
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* CC = OK, CS = ERROR
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* A = hFILE
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*\--------------------------------------
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K.MKFIFO jsr STAT.PullPathAndMode
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>LDYAI 512
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jsr K.pipe
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bcs K.Stat.Store.RTS
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ldy #0
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.1 lda DEV.FIFO,y
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sta (ZPPtr1),y fill pathname buffer
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iny
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cpy #9
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bne .1
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lda IO.hFD
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jsr MATH32.AToHexAX
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sta (ZPPtr1),y
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txa
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iny
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sta (ZPPtr1),y
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iny
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lda #0
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sta (ZPPtr1),y
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bra K.MkNod.I
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*/--------------------------------------
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* # MkNod
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* Create a special or ordinary file.
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* (CDEV, BDEV, DSOCKS, SSOCK, PIPE)
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* ## C
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* `hFILE mknod(const char *pathname, int mode, hFD fd);`
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* ## ASM
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* `>PUSHW pathname`
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* `>PUSHW mode`
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* `>PUSHB fd`
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* `>SYSCALL mknod`
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* ## RETURN VALUE
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* CC = OK, CS = ERROR
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* A = hFILE
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*\--------------------------------------
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K.MkNod >PULLB IO.hFD
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jsr STAT.PullPathAndMode
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K.MkNod.I ldx #2
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.1 lda Nod.Table.hPath-2,x
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beq .2
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inx
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cpx #K.Nod.MAX+2
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bne .1
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lda #E.OOH
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* sec
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rts
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.2 stx .3+1 Store hFILE
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>LDYA ZPPtr1
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>SYSCALL2 StrDup
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bcs .9
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txa
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.3 ldx #$ff SELF MODIFIED
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sta Nod.Table.hPath-2,x
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lda IO.hFD
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sta Nod.Table.hFD-2,x
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txa hNODE
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clc
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.9 rts
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*/--------------------------------------
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* # pipe
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* ## C
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* `hFD pipe(int size);`
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* ## ASM
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* `>LDYA size`
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* `>SYSCALL pipe`
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* ## RETURN VALUE
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* CC = OK, CS = ERROR
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* A = hFD
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*\--------------------------------------
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K.Pipe sta .1+1 SIZE HI
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>SYSCALL2 NewStkObj
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bcs .99
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stx .8+1 save PIPE buffer
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ldx #2
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jsr IO.MkFD
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bcs .9
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.1 lda #$ff SELF MODIFIED
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ldy #S.FD.PIPE.Free+1
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sta (pFD),y
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ldy #S.FD.PIPE.Size+1
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sta (pFD),y
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ldy #S.FD.PIPE.hMem
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.8 lda #$ff Self Modified
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sta (pFD),y
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txa hFD
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* clc
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rts
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.9 pha save error code
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lda .8+1 get back PIPE buffer
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>SYSCALL2 FreeStkObj
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pla
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sec
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.99
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K.Pipe.RTS rts
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*--------------------------------------
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STAT.PullPathAndMode
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>PULLW K.S.STAT+S.STAT.MODE
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>PULLW ZPPtr1 pathname
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rts
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*--------------------------------------
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SHARED.Stat.I bit CORE.FSID
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bpl .1
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>MLICALL MLIGETFILEINFOEX
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bcs K.Pipe.RTS
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>LDYAI K.MLI.PARAMS+3
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>STYA ZPPtr3
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jmp SHARED.DirEnt2Stat
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.1 >MLICALL MLIGETFILEINFO
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bcs K.Pipe.RTS
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jsr SHARED.ClrStat
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lda K.MLI.PARAMS+S.FI.A
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jsr SHARED.Access2Mode
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ldx #SHARED.GFI.Cnt
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.3 ldy SHARED.GFI.Src-1,x
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lda K.MLI.PARAMS,y
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ldy SHARED.Stat.Dst-1,x
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sta K.S.STAT,y
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dex
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bne .3
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>LDYAI K.MLI.PARAMS+S.FI.CDATE
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ldx #K.S.STAT+S.STAT.CTIME
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jsr SHARED.PTime2StatYAX
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>LDYAI K.MLI.PARAMS+S.FI.MDATE
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ldx #K.S.STAT+S.STAT.MTIME
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jmp SHARED.PTime2StatYAX
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*--------------------------------------
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MAN
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SAVE usr/src/sys/kernel.s.stat
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LOAD usr/src/sys/kernel.s
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ASM
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