## diffname gnot/l.s 1990/03091
## diff -e /dev/null /n/bootesdump/1990/03091/sys/src/9/68020/l.s
0a
#include "mem.h"
/*
* Boot first processor
*/
TEXT start(SB), $-4
MOVW $(SUPER|SPL(7)), SR
MOVL $0, R0
MOVL R0, CACR
MOVL R0, TACADDR
MOVL $a6base(SB), A6
MOVL $mach0(SB), A0
MOVL A0, m(SB)
MOVL $0, 0(A0)
MOVL A0, A7
ADDL $(MACHSIZE-4), A7
MOVL $0, u(SB)
MOVL $vectors(SB), A0
MOVL A0, VBR
BSR main(SB)
/* never returns */
dead:
BRA dead
/*
* Take first processor into user mode
*/
TEXT touser(SB), $-4
MOVL $(USERADDR+BY2PG), A7
MOVW $0, -(A7)
MOVL $(UTZERO+32), -(A7) /* header is in text */
MOVW $0, -(A7)
MOVL $(USTKTOP-4*BY2WD), A0
MOVL A0, USP
MOVW $(SUPER|SPL(0)), SR
MOVL $8, R0
MOVL R0, CACR
RTE
TEXT splhi(SB), $0
MOVL $0, R0
MOVW SR, R0
MOVW $(SUPER|SPL(7)), SR
RTS
TEXT spllo(SB), $0
MOVL $0, R0
MOVW SR, R0
MOVW $(SUPER|SPL(0)), SR
RTS
TEXT splx(SB), $0
MOVL sr+0(FP), R0
MOVW R0, SR
RTS
TEXT flushcpucache(SB), $0
MOVL $(CCLEAR|CENABLE), R0
MOVL R0, CACR
RTS
TEXT setlabel(SB), $0
MOVL sr+0(FP), A0
MOVL A7, (A0)+ /* stack pointer */
MOVL (A7), (A0)+ /* pc of caller */
MOVW SR, (A0)+ /* status register */
CLRL R0 /* ret 0 => not returning */
RTS
TEXT gotolabel(SB), $0
MOVL p+0(FP), A0
MOVW $(SUPER|SPL(7)), SR
MOVL (A0)+, A7 /* stack pointer */
MOVL (A0)+, (A7) /* pc; stuff into stack frame */
MOVW (A0)+, R0 /* status register */
MOVW R0, SR
MOVL $1, R0 /* ret 1 => returning */
RTS
/*
* Test and set, as a subroutine
*/
TEXT tas(SB), $0
MOVL $0, R0
MOVL a+0(FP), A0
TAS (A0)
BEQ tas_1
MOVL $1, R0
tas_1:
RTS
TEXT illegal(SB), $0
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0xFFFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR trap(SB)
ADDL $4, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0xFFFF
ADDL $((8+8+1)*4), A7
RTE
TEXT systrap(SB), $0
SUBL $((8+8+1)*BY2WD), A7
MOVL A6, ((8+6)*BY2WD)(A7)
MOVL R0, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR syscall(SB)
MOVL ((1+8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVL ((1+8+6)*BY2WD)(A7), A6
ADDL $((1+8+8+1)*4), A7
RTE
TEXT buserror(SB), $0
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0xFFFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
PEA ((8+8+1+2)*BY2WD)(A7)
PEA 4(A7)
BSR fault(SB)
ADDL $8, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0xFFFF
ADDL $((8+8+1)*4), A7
RTE
TEXT tacintr(SB), $0 /* level 1 */
MOVL R0, -(A7)
MOVL TACADDR, R0
ADDL $4, A7
RTE
TEXT dkintr(SB), $0 /* level 2 */
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0xFFFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR inconintr(SB)
ADDL $4, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0xFFFF
ADDL $((8+8+1)*4), A7
RTE
TEXT mouseintr(SB), $0 /* level 4 */
MOVEM $0x8082, -(A7) /* D0, A0, A6 */
MOVL $a6base(SB), A6
MOVL $15, R0 /* mask off hex switch */
ANDB MOUSE,R0 /* clears quadrature interrupt */
LEA mousetab(SB)(R0.W*8), A0
#ifdef asdf
MOVL (A0)+, R0
ADDL R0, mousedx(SB)
MOVL (A0), R0
ADDL R0, mousedy(SB)
ADDL $1, mousechanged(SB)
ADDL $1, dotrack(SB)
#endif
MOVEM (A7)+, $0x4101
RTE
TEXT uartintr(SB), $0 /* level 5 */
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0xFFFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR duartintr(SB)
ADDL $4, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0xFFFF
ADDL $((8+8+1)*4), A7
RTE
TEXT syncintr(SB), $0 /* level 6 */
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0xFFFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR clock(SB)
ADDL $4, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0xFFFF
ADDL $((8+8+1)*4), A7
RTE
GLOBL mousetab(SB), $128
DATA mousetab+ 0(SB)/4, -1 /* x down, */
DATA mousetab+ 4(SB)/4, 1 /* y up */
DATA mousetab+ 8(SB)/4, 0 /* x - */
DATA mousetab+ 12(SB)/4, 1 /* y up */
DATA mousetab+ 16(SB)/4, 1 /* x up */
DATA mousetab+ 20(SB)/4, 1 /* y up */
DATA mousetab+ 24(SB)/4, 0 /* x - */
DATA mousetab+ 28(SB)/4, 1 /* y up */
DATA mousetab+ 32(SB)/4, -1 /* x down */
DATA mousetab+ 36(SB)/4, 0 /* y - */
DATA mousetab+ 40(SB)/4, 0 /* x - */
DATA mousetab+ 44(SB)/4, 0 /* y - */
DATA mousetab+ 48(SB)/4, 1 /* x up, */
DATA mousetab+ 52(SB)/4, 0 /* y - */
DATA mousetab+ 56(SB)/4, 0 /* x - */
DATA mousetab+ 60(SB)/4, 0 /* y - */
DATA mousetab+ 64(SB)/4, -1 /* x down */
DATA mousetab+ 68(SB)/4, -1 /* y down */
DATA mousetab+ 72(SB)/4, 0 /* x - */
DATA mousetab+ 76(SB)/4, -1 /* y down */
DATA mousetab+ 80(SB)/4, 1 /* x up */
DATA mousetab+ 84(SB)/4, -1 /* y down */
DATA mousetab+ 88(SB)/4, 0 /* x - */
DATA mousetab+ 92(SB)/4, -1 /* y down */
DATA mousetab+ 96(SB)/4, -1 /* x down */
DATA mousetab+100(SB)/4, 0 /* y - */
DATA mousetab+104(SB)/4, 0 /* x - */
DATA mousetab+108(SB)/4, 0 /* y - */
DATA mousetab+112(SB)/4, 1 /* x up */
DATA mousetab+116(SB)/4, 0 /* y - */
DATA mousetab+120(SB)/4, 0 /* x - */
DATA mousetab+124(SB)/4, 0 /* y - */
GLOBL mach0+0(SB), $MACHSIZE
GLOBL u(SB), $4
GLOBL m(SB), $4
.
## diffname gnot/l.s 1990/0504
## diff -e /n/bootesdump/1990/03091/sys/src/9/68020/l.s /n/bootesdump/1990/0504/sys/src/9/68020/l.s
190,194c
ADDL R0, (A1)+ /* dy */
ADDL $1, (A1) /* track */
MOVEM (A7)+, $0x4301
.
188c
ADDL R0, (A1)+ /* dx */
.
186c
LEA mouse(SB), A1
.
181c
MOVEM $0x80C2, -(A7) /* D0, A0, A1, A6 */
.
## diffname gnot/l.s 1990/0705
## diff -e /n/bootesdump/1990/0504/sys/src/9/68020/l.s /n/bootesdump/1990/0705/sys/src/9/68020/l.s
160c
MOVL (A7)+, R0
.
18c
ADDL $(MACHSIZE-4), A7 /* start stack under machine struct */
.
11,12c
MOVL R0, TACADDR /* zero tac counter (cause an intr?) */
.
8a
MOVL $a6base(SB), A6
.
## diffname gnot/l.s 1990/0816
## diff -e /n/bootesdump/1990/0705/sys/src/9/68020/l.s /n/bootesdump/1990/0816/sys/src/9/68020/l.s
106a
TEXT rfnote(SB), $0
MOVL uregpp+0(FP), A0
MOVL (A0), A7
MOVL A7, -(A7)
MOVL ((1+8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVL ((1+8+6)*BY2WD)(A7), A6
ADDL $((1+8+8+1)*4), A7
RTE
.
## diffname gnot/l.s 1990/08163
## diff -e /n/bootesdump/1990/0816/sys/src/9/68020/l.s /n/bootesdump/1990/08163/sys/src/9/68020/l.s
106a
/*
* Floating point
*/
TEXT fpsave(SB), $0
FSAVE (fp+0(FP))
RTS
TEXT fprestore(SB), $0
FRESTORE (fp+0(FP))
RTS
TEXT fpregsave(SB), $0
FMOVEM $0xFF, (3*4)(fr+0(FP))
FMOVEMC $0x7, (fr+0(FP))
RTS
TEXT fpregrestore(SB), $0
FMOVEMC (fr+0(FP)), $0x7
FMOVEM (3*4)(fr+0(FP)), $0xFF
RTS
TEXT fpcr(SB), $0
MOVL new+0(FP), R1
MOVL FPCR, R0
MOVL R1, FPCR
RTS
.
## diffname gnot/l.s 1990/08272
## diff -e /n/bootesdump/1990/08163/sys/src/9/68020/l.s /n/bootesdump/1990/08272/sys/src/9/68020/l.s
268c
MOVEM (A7), $0x7FFF
.
259c
MOVEM $0x7FFF, (A7)
.
252c
MOVEM (A7), $0x7FFF
.
243c
MOVEM $0x7FFF, (A7)
.
220c
MOVEM (A7), $0x77FFF
.
211c
MOVEM $0x7FFF, (A7)
.
197c
MOVEM (A7), $0x7FFF
.
187c
MOVEM $0x7FFF, (A7)
.
164,165c
MOVEM (A7), $0x7FFF
ADDL $((8+8+1)*BY2WD), A7
.
155c
MOVEM $0x7FFF, (A7)
.
148,149c
MOVEM (A7), $0x7FFF
ADDL $((8+8+1)*BY2WD), A7
.
145,146c
MOVL ((8+8)*BY2WD)(A7), A0
.
## diffname gnot/l.s 1990/0902
## diff -e /n/bootesdump/1990/08272/sys/src/9/68020/l.s /n/bootesdump/1990/0902/sys/src/9/68020/l.s
72a
TEXT cacrtrap(SB), $0 /* user entry point to control cache, e.g. flush */
MOVL R0, CACR
RTE
.
## diffname gnot/l.s 1990/1004
## diff -e /n/bootesdump/1990/0902/sys/src/9/68020/l.s /n/bootesdump/1990/1004/sys/src/9/68020/l.s
65a
TEXT spldone(SB), $0
RTS
.
47a
MOVL m(SB), A0
MOVL (A7), 4(A0)
.
## diffname gnot/l.s 1990/1113
## diff -e /n/bootesdump/1990/1004/sys/src/9/68020/l.s /n/bootesdump/1990/1113/sys/src/9/68020/l.s
158a
MOVL $-1, R0 /* note causes error in sys call */
.
## diffname gnot/l.s 1990/1212
## diff -e /n/bootesdump/1990/1113/sys/src/9/68020/l.s /n/bootesdump/1990/1212/sys/src/9/68020/l.s
203c
BSR fault68020(SB)
.
## diffname gnot/l.s 1991/0112
## diff -e /n/bootesdump/1990/1212/sys/src/9/68020/l.s /n/bootesdump/1991/0112/sys/src/9/68020/l.s
217a
#ifdef asdf
TEXT portintr(SB), $0 /* level 2 */
SUBL $((8+8+1)*BY2WD), A7
MOVEM $0x7FFF, (A7)
MOVL $a6base(SB), A6
MOVL USP, A0
MOVL A0, ((8+8)*BY2WD)(A7)
MOVL A7, -(A7)
BSR devportintr(SB)
ADDL $4, A7
MOVL ((8+8)*BY2WD)(A7), A0
MOVL A0, USP
MOVEM (A7), $0x7FFF
ADDL $((8+8+1)*BY2WD), A7
RTE
#endif
.
## diffname gnot/l.s 1991/0115
## diff -e /n/bootesdump/1991/0112/sys/src/9/68020/l.s /n/bootesdump/1991/0115/sys/src/9/68020/l.s
234d
218d
## diffname gnot/l.s 1991/0319
## diff -e /n/bootesdump/1991/0201/sys/src/9/68020/l.s /n/bootesdump/1991/0319/sys/src/9/gnot/l.s
295c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
283a
MOVL $DBMAGIC, -(A7)
.
279c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
267a
MOVL $DBMAGIC, -(A7)
.
247c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
235a
MOVL $DBMAGIC, -(A7)
.
231c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
219a
MOVL $DBMAGIC, -(A7)
.
208c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
201c
PEA ((8+8+1+3)*BY2WD)(A7)
.
195a
MOVL $DBMAGIC, -(A7)
.
191c
ADDL $((1+8+8+1)*BY2WD+BY2WD), A7
.
179a
MOVL $DBMAGIC, -(A7)
.
175c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
163a
MOVL $DBMAGIC, -(A7)
.
158c
ADDL $((8+8+1)*BY2WD+BY2WD), A7
.
2a
#define DBMAGIC 0xBADC0C0A
.
## diffname gnot/l.s 1991/0423
## diff -e /n/bootesdump/1991/0319/sys/src/9/gnot/l.s /n/bootesdump/1991/0423/sys/src/9/gnot/l.s
305a
GLOBL duarttimer+0(SB),$4
TEXT duartreadtimer+0(SB), $0
MOVW SR, R1 /* spl7() */
MOVW $0x2700, SR
MOVL $0x40100000, A0
CLRL R0
TSTB 15(A0) /* stop timer */
MOVW 6(A0), R0 /* read hi,lo */
TSTB 14(A0) /* restart timer */
NOTW R0 /* timer counts down from 0xffff */
ADDL duarttimer(SB), R0
MOVL R0, duarttimer(SB)
MOVW R1, SR
RTS
.
299a
/* fall through */
retintr:
BSR mousetry(SB)
.
283,288c
BRA retintr
.
250,255c
BRA retintr
.
240c
TEXT dkintr(SB), $0 /* level 3 */
.
233,238c
BRA retintr
.
56a
TEXT splduart(SB), $0
MOVL $0, R0
MOVW SR, R0
MOVW $(SUPER|SPL(5)), SR
RTS
.
## diffname gnot/l.s 1991/0503
## diff -e /n/bootesdump/1991/0423/sys/src/9/gnot/l.s /n/bootesdump/1991/0503/sys/src/9/gnot/l.s
167c
ADDL $((8+8+1+1)*BY2WD), A7
.
162,163c
MOVL uregp+0(FP), A7
.
## diffname gnot/l.s 1991/0608
## diff -e /n/bootesdump/1991/0503/sys/src/9/gnot/l.s /n/bootesdump/1991/0608/sys/src/9/gnot/l.s
47a
TEXT firmware(SB), $0
MOVL $0x40000090, A0
JMP (A0)
.
## diffname gnot/l.s 1991/0719
## diff -e /n/bootesdump/1991/0608/sys/src/9/gnot/l.s /n/bootesdump/1991/0719/sys/src/9/gnot/l.s
41c
MOVL $(USTKTOP-6*BY2WD), A0 /* MAXSYSARG=6 */
.
37c
MOVL $(USERADDR+BY2PG-UREGVARSZ), A7
.
32c
* Take first processor into user mode. Leave enough room on the stack
* for a full-sized Ureg (including long bus error format) to fit
.
## diffname gnot/l.s 1991/0725
## diff -e /n/bootesdump/1991/0719/sys/src/9/gnot/l.s /n/bootesdump/1991/0725/sys/src/9/gnot/l.s
173d
## diffname gnot/l.s 1991/1102
## diff -e /n/bootesdump/1991/0725/sys/src/9/gnot/l.s /n/bootesdump/1991/1102/sys/src/9/gnot/l.s
86a
TEXT spl1(SB), $0
MOVL $0, R0
MOVW SR, R0
MOVW $(SUPER|SPL(1)), SR
RTS
.
## diffname gnot/l.s 1992/0301
## diff -e /n/bootesdump/1991/1102/sys/src/9/gnot/l.s /n/bootesdump/1992/0301/sys/src/9/gnot/l.s
310c
ADDL $((8+8+1)*BY2WD), A7
MOVL $0, (A7)+
.
231c
ADDL $((8+8+1)*BY2WD), A7
MOVL $0, (A7)+
.
213c
ADDL $((1+8+8+1)*BY2WD), A7
MOVL $0, (A7)+
.
196c
ADDL $((8+8+1)*BY2WD), A7
MOVL $0, (A7)+
.
## diffname gnot/l.s 1992/0318
## diff -e /n/bootesdump/1992/0301/sys/src/9/gnot/l.s /n/bootesdump/1992/0318/sys/src/9/gnot/l.s
42d
37a
MOVL usp+0(FP), A0
.
36c
TEXT touser(SB), $0
.
33a
* - argument is stack pointer to user
.
32c
* Take first processor into user mode. Leave enough room on the kernel stack
.
## diffname gnot/l.s 1992/0806
## diff -e /n/bootesdump/1992/0318/sys/src/9/gnot/l.s /n/bootesdump/1992/0806/sys/src/9/gnot/l.s
173d
## diffname gnot/l.s 1992/0914
## diff -e /n/bootesdump/1992/0806/sys/src/9/gnot/l.s /n/bootesdump/1992/0914/sys/src/9/gnot/l.s
332a
TEXT getsr+0(SB), $0
MOVL $0, R0
MOVW SR, R0
RTS
.
## diffname gnot/l.s 1993/0226
## diff -e /n/bootesdump/1992/0914/sys/src/9/gnot/l.s /n/bootesdump/1993/0226/sys/src/9/gnot/l.s
308d
## diffname gnot/l.s 1993/0501 # deleted
## diff -e /n/bootesdump/1993/0226/sys/src/9/gnot/l.s /n/fornaxdump/1993/0501/sys/src/brazil/gnot/l.s
1,373d
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