515 lines
7.1 KiB
Plaintext
515 lines
7.1 KiB
Plaintext
.sect .text
|
|
.sect .rom
|
|
.sect .data
|
|
.sect .bss
|
|
.sect .text
|
|
!THIS FILE CONTAINS THE SYSTEM CALLS FOR PMDS-II AS SUBROUTINES FOR THE
|
|
!EM-INTERPRETER. a1 CONTAINS A POINTER TO THE RETURN AREA . EACH SUBROUTINE
|
|
!EXPECTS ITS DATA IN THE FORM EM PRODUCES AND GIVES ITS RESULTS AS EM
|
|
!REQUIRES.
|
|
!THE PMDS-II REQUIRES THE ARGUMENTS ON THE STACK AS 4 BYTE INTEGERS OR
|
|
!POINTERS , AND USES THE C-CALLING CONVENTION. THE 2 BYTE WORDS 4 BYTE
|
|
!POINTERS VERSION HAS TO DO SOME CONVERSION FIRST .
|
|
|
|
_Xexit: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 1
|
|
|
|
_Xfork: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 2
|
|
lea 4(sp),sp
|
|
bcs 2f
|
|
tst.l d0 !PID OF CHILD IN PARENT, 0 IN CHILD
|
|
bne 1f
|
|
trap #0
|
|
.data2 20
|
|
mov d1,-(sp) !PID OF PARENT IN d1
|
|
mov #1,-(sp) !(PID OF CHILD IN D0),FLAG 1 IN CHILD
|
|
bra 0f
|
|
1: mov d0,-(sp) !PID OF CHILD IN d0
|
|
cl -(sp) !FLAG 0 IN PARENT
|
|
0: cl -(sp)
|
|
bra 3f
|
|
2: mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
3: move.l (a1),a0
|
|
jmp (a0)
|
|
!_Xfork is special
|
|
|
|
_Xread: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 3
|
|
sys0: lea 16(sp),sp
|
|
bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: move.l d0,-(sp)
|
|
cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xwrite: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 4
|
|
bra sys0
|
|
|
|
_Xopen: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st243
|
|
#endif
|
|
trap #0
|
|
.data2 5
|
|
sys1: lea 12(sp),sp
|
|
sys5: bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: mov d0,-(sp)
|
|
cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xclose: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 6
|
|
sys3: lea 8(sp),sp
|
|
sys4: bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xwait: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 7
|
|
sys6: lea 4(sp),sp
|
|
bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: mov d1,-(sp) ! ??
|
|
mov d0,-(sp)
|
|
cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xcreat: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st243
|
|
#endif
|
|
trap #0
|
|
.data2 8
|
|
bra sys1
|
|
|
|
_Xlink: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 9
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xunlink: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 10
|
|
bra sys3
|
|
|
|
_Xchdir: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 12
|
|
bra sys3
|
|
|
|
_Xmknod: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st244
|
|
#endif
|
|
trap #0
|
|
.data2 14
|
|
lea 16(sp),sp
|
|
bra sys4
|
|
|
|
_Xchmod: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st243
|
|
#endif
|
|
trap #0
|
|
.data2 15
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xchown: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st244
|
|
#endif
|
|
trap #0
|
|
.data2 16
|
|
lea 16(sp),sp
|
|
bra sys4
|
|
|
|
_Xbreak: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 17
|
|
lea 8(sp),sp
|
|
bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: move.l -4(sp),nd
|
|
cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
.sect .data
|
|
nd: .data4 endbss
|
|
.sect .text
|
|
|
|
_Xstat: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 18
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xlseek: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st245
|
|
#endif
|
|
trap #0
|
|
.data2 19
|
|
lea 16(sp),sp
|
|
bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: move.l d0,-(sp)
|
|
cl -(sp)
|
|
2: move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
|
|
_Xgetpid: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 20
|
|
add.l #4,sp
|
|
mov d0,-(sp)
|
|
move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xmount: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st246
|
|
#endif
|
|
trap #0
|
|
.data2 21
|
|
lea 16(sp),sp
|
|
bra sys4
|
|
|
|
_Xumount: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 22
|
|
bra sys3
|
|
|
|
_Xsetuid: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 23
|
|
bra sys3
|
|
|
|
_Xgetuid: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 24
|
|
sys7: add.l #4,sp
|
|
mov d1,-(sp)
|
|
mov d0,-(sp)
|
|
move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xstime: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 25
|
|
bra sys3
|
|
|
|
_Xptrace: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st247
|
|
#endif
|
|
trap #0
|
|
.data2 26
|
|
lea 20(sp),sp
|
|
bra sys5
|
|
|
|
_Xalarm: move.l (sp),(a1)
|
|
#ifndef lword
|
|
sub.l #2,sp
|
|
clr.w 4(sp)
|
|
#endif
|
|
trap #0
|
|
.data2 27
|
|
lea 8(sp),sp
|
|
mov d0,-(sp)
|
|
move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xfstat: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 28
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xpause: trap #0
|
|
.data2 29
|
|
rts
|
|
|
|
_Xutime: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 30
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xaccess: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st248
|
|
#endif
|
|
trap #0
|
|
.data2 33
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xnice:
|
|
#ifndef lword
|
|
bsr 241
|
|
#endif
|
|
trap #0
|
|
.data2 34
|
|
move.l (sp)+,(sp)
|
|
rts
|
|
|
|
_Xftime: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 35
|
|
bra sys3
|
|
|
|
_Xsync: trap #0
|
|
.data2 36
|
|
rts
|
|
|
|
_Xkill: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st248
|
|
#endif
|
|
trap #0
|
|
.data2 37
|
|
lea 12(sp),sp
|
|
bra sys4
|
|
|
|
_Xdup: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st248
|
|
#endif
|
|
trap #0
|
|
.data2 38
|
|
bra sys1
|
|
|
|
_Xpipe: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 42
|
|
bra sys6
|
|
|
|
_Xtimes: trap #0
|
|
.data2 43
|
|
move.l (sp),a0
|
|
add.l #8,sp
|
|
jmp (a0)
|
|
|
|
_Xprofil: trap #0
|
|
.data2 44
|
|
move.l (sp),a0
|
|
lea 20(sp),sp
|
|
jmp (a0)
|
|
|
|
_Xsetgid: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 46
|
|
bra sys3
|
|
|
|
_Xgetgid: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 47
|
|
bra sys7
|
|
|
|
|
|
_Xsignal: move.l (sp)+,retaddr
|
|
mov (sp)+,d4
|
|
extend d4
|
|
move.l d4,-(sp)
|
|
move.l retaddr,-(sp)
|
|
trap #0
|
|
.data2 48
|
|
lea 12(sp),sp !remove arguments
|
|
bcc 1f
|
|
mov d0,-(sp)
|
|
mov d0,-(sp)
|
|
bra 2f
|
|
1: mov d0,-(sp)
|
|
cl -(sp)
|
|
2: move.l retaddr,a0
|
|
jmp (a0)
|
|
.sect .data
|
|
retaddr: .data4 0
|
|
.sect .text
|
|
|
|
_Xacct: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 51
|
|
bra sys3
|
|
_Xlock: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 53
|
|
bra sys3
|
|
|
|
_Xioctl: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st248
|
|
#endif
|
|
trap #0
|
|
.data2 54
|
|
lea 16(sp),sp
|
|
bra sys4
|
|
|
|
!_Xmpxcall: move.l (sp),(a1)
|
|
!#ifndef lword
|
|
! bsr st241
|
|
!#endif
|
|
! trap #0
|
|
! .data2 56
|
|
! lea 12(sp),sp
|
|
! bra sys4
|
|
|
|
_Xexece: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 59
|
|
lea 16(sp),sp
|
|
bra sys4
|
|
|
|
_Xumask: move.l (sp),(a1)
|
|
#ifndef lword
|
|
bsr st241
|
|
#endif
|
|
trap #0
|
|
.data2 60
|
|
add.l #8,sp
|
|
mov d0,-(sp)
|
|
move.l (a1),a0
|
|
jmp (a0)
|
|
|
|
_Xchroot: move.l (sp),(a1)
|
|
trap #0
|
|
.data2 61
|
|
bra sys3
|
|
|
|
|
|
!----------------------------------------------------------------------------
|
|
! STACK ADJUSTMENT FOR THE TWO BYTE INTERPRETER
|
|
!-----------------------------------------------------------------------------
|
|
#ifndef lword
|
|
|
|
st241: sub.l #2,sp
|
|
move.l 2(sp),(sp)
|
|
move.l 6(sp),4(sp)
|
|
move.w 10(sp),d0
|
|
ext.l d0
|
|
move.l d0,8(sp)
|
|
rts
|
|
|
|
st243: sub.l #2,sp
|
|
move.l 2(sp),(sp)
|
|
move.l 6(sp),4(sp)
|
|
move.l 10(sp),8(sp)
|
|
move.w 14(sp),d0
|
|
ext.l d0
|
|
move.l d0,12(sp)
|
|
rts
|
|
|
|
st244: move.l (sp),-(sp)
|
|
move.l 8(sp),4(sp)
|
|
move.l 12(sp),8(sp)
|
|
move.w 16(sp),d0
|
|
ext.l d0
|
|
move.l d0,12(sp)
|
|
move.w 18(sp),d0
|
|
ext.l d0
|
|
move.l d0,16(sp)
|
|
rts
|
|
|
|
st245: move.l (sp),-(sp)
|
|
move.l 8(sp),4(sp)
|
|
move.w 12(sp),d0
|
|
ext.l d0
|
|
move.l d0,8(sp)
|
|
move.l 14(sp),12(sp)
|
|
move.w 18(sp),d0
|
|
ext.l d0
|
|
move.l d0,16(sp)
|
|
rts
|
|
|
|
st246: sub.l #2,sp
|
|
move.l 2(sp),(sp)
|
|
move.l 6(sp),4(sp)
|
|
move.l 10(sp),8(sp)
|
|
move.l 14(sp),12(sp)
|
|
move.w 18(sp),d0
|
|
ext.l d0
|
|
move.l d0,16(sp)
|
|
rts
|
|
|
|
st247: sub.l #6,sp
|
|
move.l 6(sp),(sp)
|
|
move.l 10(sp),4(sp)
|
|
move.w 14(sp),d0
|
|
ext.l d0
|
|
move.l d0,8(sp)
|
|
move.w 16(sp),d0
|
|
ext.l d0
|
|
move.l d0,12(sp)
|
|
move.l 18(sp),16(sp)
|
|
move.w 22(sp),d0
|
|
ext.l d0
|
|
move.l d0,20(sp)
|
|
rts
|
|
|
|
st248: move.l (sp),-(sp)
|
|
move.l 8(sp),4(sp)
|
|
move.w 12(sp),d0
|
|
ext.l d0
|
|
move.l d0,8(sp)
|
|
move.w 14(sp),d0
|
|
ext.l d0
|
|
move.l d0,12(sp)
|
|
rts
|
|
|
|
#endif
|