## diffname ss/l.s 1990/1223
## diff -e /dev/null /n/bootesdump/1990/1223/sys/src/9/sparc/l.s
0a
#include "mem.h"
TEXT start(SB), $-4
/* get virtual, fast */
/* we are executing in segment 0, mapped to pmeg 0. stack is there too */
/* get virtual by mapping segment(KZERO) to pmeg 0. */
MOVW $KZERO, R1
MOVB R0, (R1, 3)
/* now mapped correctly. jmpl to where we want to be */
MOVW $setR30(SB), R30
MOVW $startvirt(SB), R1
JMPL (R1)
RETURN /* can't get here */
TEXT startvirt(SB), $-4
MOVW $0x4000, R29
MOVW $mach0(SB), R(MACH)
JMPL main(SB)
UNIMP
RETURN
TEXT pc(SB), $0
MOVW R15, R1
RETURN
TEXT setlabel(SB), $0
MOVW b+0(FP), R2
MOVW R29, (R2)
MOVW R15, 4(R2)
MOVW $0, R1
RETURN
TEXT gotolabel(SB), $0
MOVW r+4(FP), R1
MOVW b+0(FP), R2
MOVW (R2), R29
MOVW 4(R2), R15
MOVW R15, 0(R29)
RETURN
TEXT crash(SB), $0
MOVW 0(FP), R8 /* context */
MOVW 4(FP), R9 /* segment addr */
MOVW 8(FP), R10 /* segment value */
MOVW $0xFFE80118, R1
JMPL (R1)
RETURN
TEXT putb2(SB), $0
MOVW 0(FP), R1
MOVW 4(FP), R2
MOVB R2, (R1, 2)
RETURN
TEXT putw3(SB), $0
MOVW 0(FP), R1
MOVW 4(FP), R2
MOVW R2, (R1, 3)
RETURN
TEXT putpmeg(SB), $0
MOVW 0(FP), R1
MOVW 4(FP), R2
MOVW R2, (R1, 4)
RETURN
TEXT putwd(SB), $0
MOVW 0(FP), R1
MOVW 4(FP), R2
MOVW R2, (R1, 0xD)
RETURN
GLOBL mach0+0(SB), $MACHSIZE
.
## diffname ss/l.s 1990/1226
## diff -e /n/bootesdump/1990/1223/sys/src/9/sparc/l.s /n/bootesdump/1990/1226/sys/src/9/sparc/l.s
79d
75,77c
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 0xD)
.
68,70c
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 4)
.
65a
TEXT getw2(SB), $0
MOVW 0(FP), R7
MOVW (R7, 2), R7
RETURN
TEXT putw2(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 2)
RETURN
TEXT putwE(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 0xE)
RETURN
TEXT putsegm(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 3)
RETURN
.
61,63c
MOVW 0(FP), R7
MOVB (R7, 2), R7
.
59c
TEXT getb2(SB), $0
.
54,56c
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVB R8, (R7, 2)
.
51a
TEXT putcontext(SB), $0
MOVW $CONTEXT, R7
MOVW 0(FP), R8
MOVB R8, (R7, 2)
RETURN
.
48,49c
MOVW $0xFFE80118, R7
JMPL (R7)
.
43c
TEXT putcxsegm(SB), $0
.
36,40c
MOVW r+4(FP), R7
MOVW b+0(FP), R8
MOVW (R8), R1
MOVW 4(R8), R15
MOVW R15, 0(R1)
.
29,32c
MOVW b+0(FP), R7
MOVW R1, (R7)
MOVW R15, 4(R7)
MOVW $0, R7
.
27a
TEXT swap1_should_work(SB), $0
MOVW keyaddr+0(FP), R8
MOVW $1, R7
SWAP (R8), R7
RETURN
TEXT swap1(SB), $0
MOVW keyaddr+0(FP), R8
MOVW PSR, R9
MOVW R9, R10
AND $~PSRET, R10 /* BUG: book says this is buggy */
MOVW R10, PSR
OR R0, R0
OR R0, R0
OR R0, R0
MOVW (R8), R7
CMP R7, R0
BNE was1
MOVW $1, R10
MOVW R10, (R8)
was1:
MOVW R9, PSR
RETURN
TEXT spllo(SB), $0
MOVW PSR, R7
MOVW R7, R10
OR $PSRET, R10
MOVW R10, PSR
OR R0, R0
OR R0, R0
OR R0, R0
RETURN
TEXT splhi(SB), $0
MOVW PSR, R7
MOVW R7, R10
AND $~PSRET, R10 /* BUG: book says this is buggy */
MOVW R10, PSR
OR R0, R0
OR R0, R0
OR R0, R0
RETURN
TEXT splx(SB), $0
MOVW psr+0(FP), R7
MOVW R7, PSR /* BUG: book says this is buggy */
OR R0, R0
OR R0, R0
OR R0, R0
RETURN
TEXT touser(SB), $-4
MOVW $SYSPSR, R7 /* BUG SPL(0xF) for now */
MOVW R7, PSR
OR R0, R0
OR R0, R0
OR R0, R0
MOVW sp+0(FP), R1
SAVE R0, R0 /* RETT is implicit RESTORE */
MOVW $(UTZERO+32), R7 /* PC; header appears in text */
MOVW $(UTZERO+32+4), R8 /* nPC */
RETT R7, R8
TEXT traplink(SB), $-4
/* R8 to R23 are free to play with */
/* R17 contains PC, R18 contains nPC */
/* R19 has PSR loaded from vector code */
ANDCC $PSRPSUPER, R19, R0
BE usertrap
kerneltrap:
/*
* Interrupt or fault from kernel
*/
MOVW R1, (0-(4*(32+5))+(4*1))(R1) /* save R1=SP */
/* really clumsy: store these in Ureg so can be restored below */
MOVW R2, (0-(4*(32+5))+(4*2))(R1) /* SB */
MOVW R5, (0-(4*(32+5))+(4*5))(R1) /* USER */
MOVW R6, (0-(4*(32+5))+(4*6))(R1) /* MACH */
trap1:
SUB $(4*(32+5)), R1
MOVW Y, R20
MOVW R20, (4*(32+0))(R1) /* Y */
MOVW TBR, R20
MOVW R20, (4*(32+1))(R1) /* TBR */
AND $~0x1F, R19 /* force CWP=0 */
MOVW R19, (4*(32+2))(R1) /* PSR */
MOVW R18, (4*(32+3))(R1) /* nPC */
MOVW R17, (4*(32+4))(R1) /* PC */
MOVW R0, (4*0)(R1)
MOVW R3, (4*3)(R1)
MOVW R4, (4*4)(R1)
MOVW R7, (4*7)(R1)
RESTORE R0, R0
/* now our registers R8-R31 are same as before trap */
MOVW R8, (4*8)(R1)
MOVW R9, (4*9)(R1)
MOVW R10, (4*10)(R1)
MOVW R11, (4*11)(R1)
MOVW R12, (4*12)(R1)
MOVW R13, (4*13)(R1)
MOVW R14, (4*14)(R1)
MOVW R15, (4*15)(R1)
MOVW R16, (4*16)(R1)
MOVW R17, (4*17)(R1)
MOVW R18, (4*18)(R1)
MOVW R19, (4*19)(R1)
MOVW R20, (4*20)(R1)
MOVW R21, (4*21)(R1)
MOVW R22, (4*22)(R1)
MOVW R23, (4*23)(R1)
MOVW R24, (4*24)(R1)
MOVW R25, (4*25)(R1)
MOVW R26, (4*26)(R1)
MOVW R27, (4*27)(R1)
MOVW R28, (4*28)(R1)
MOVW R29, (4*29)(R1)
MOVW R30, (4*30)(R1)
MOVW R31, (4*31)(R1)
/* SP and SB and u and m are already set; away we go */
MOVW R1, -4(R1) /* pointer to Ureg */
SUB $8, R1
MOVW $SYSPSR, R7
MOVW R7, PSR
OR R0, R0
OR R0, R0
OR R0, R0
JMPL faultsparc(SB)
ADD $8, R1
MOVW (4*(32+2))(R1), R7 /* PSR */
MOVW R7, PSR
OR R0, R0
OR R0, R0
OR R0, R0
MOVW (4*31)(R1), R31
MOVW (4*30)(R1), R30
MOVW (4*29)(R1), R29
MOVW (4*28)(R1), R28
MOVW (4*27)(R1), R27
MOVW (4*26)(R1), R26
MOVW (4*25)(R1), R25
MOVW (4*24)(R1), R24
MOVW (4*23)(R1), R23
MOVW (4*22)(R1), R22
MOVW (4*21)(R1), R21
MOVW (4*20)(R1), R20
MOVW (4*19)(R1), R19
MOVW (4*18)(R1), R18
MOVW (4*17)(R1), R17
MOVW (4*16)(R1), R16
MOVW (4*15)(R1), R15
MOVW (4*14)(R1), R14
MOVW (4*13)(R1), R13
MOVW (4*12)(R1), R12
MOVW (4*11)(R1), R11
MOVW (4*10)(R1), R10
MOVW (4*9)(R1), R9
MOVW (4*8)(R1), R8
SAVE R0, R0
MOVW (4*7)(R1), R7
MOVW (4*6)(R1), R6
MOVW (4*5)(R1), R5
MOVW (4*4)(R1), R4
MOVW (4*3)(R1), R3
MOVW (4*2)(R1), R2
MOVW (4*(32+0))(R1), R20 /* Y */
MOVW R20, Y
MOVW (4*(32+4))(R1), R17 /* PC */
MOVW (4*(32+3))(R1), R18 /* nPC */
MOVW (4*1)(R1), R1 /* restore R1=SP */
RETT R17, R18
usertrap:
/*
* Interrupt or fault from user
*/
MOVW R1, R8
MOVW R2, R9
MOVW $setSB(SB), R2
MOVW $(USERADDR+BY2PG), R1
MOVW R8, (0-(4*(32+5))+(4*1))(R1) /* save R1=SP */
MOVW R9, (0-(4*(32+5))+(4*2))(R1) /* save R2=SB */
MOVW R5, (0-(4*(32+5))+(4*5))(R1) /* save R5=USER */
MOVW R6, (0-(4*(32+5))+(4*6))(R1) /* save R6=MACH */
MOVW $USERADDR, R(USER)
MOVW $mach0(SB), R(MACH)
JMP trap1
TEXT syslink(SB), $-4
/* R8 to R23 are free to play with */
/* R17 contains PC, R18 contains nPC */
/* R19 has PSR loaded from vector code */
/* assume user did it; syscall checks */
MOVW R1, R8
MOVW R2, R9
MOVW $setSB(SB), R2
MOVW $(USERADDR+BY2PG), R1
MOVW R8, (0-(4*(32+5))+4)(R1) /* save R1=SP */
SUB $(4*(32+5)), R1
MOVW R9, (4*2)(R1) /* save R2=SB */
MOVW R3, (4*3)(R1) /* global register */
MOVW R4, (4*4)(R1) /* global register */
MOVW R5, (4*5)(R1) /* save R5=USER */
MOVW R6, (4*6)(R1) /* save R6=MACH */
MOVW R7, (4*7)(R1) /* system call number */
MOVW $USERADDR, R(USER)
MOVW $mach0(SB), R(MACH)
MOVW TBR, R20
MOVW R20, (4*(32+1))(R1) /* TBR */
AND $~0x1F, R19
MOVW R19, (4*(32+2))(R1) /* PSR */
MOVW R18, (4*(32+3))(R1) /* nPC */
MOVW R17, (4*(32+4))(R1) /* PC */
RESTORE R0, R0
/* now our registers R8-R31 are same as before trap */
MOVW R15, (4*15)(R1)
/* SP and SB and u and m are already set; away we go */
MOVW R1, -4(R1) /* pointer to Ureg */
SUB $8, R1
MOVW $SYSPSR, R7
MOVW R7, PSR
JMPL syscall(SB)
/* R7 contains return value from syscall */
ADD $8, R1
MOVW (4*(32+2))(R1), R8 /* PSR */
MOVW R8, PSR
OR R0, R0
OR R0, R0
OR R0, R0
MOVW (4*15)(R1), R15
SAVE R0, R0
MOVW (4*6)(R1), R6
MOVW (4*5)(R1), R5
MOVW (4*4)(R1), R4
MOVW (4*3)(R1), R3
MOVW (4*2)(R1), R2
MOVW (4*(32+4))(R1), R17 /* PC */
MOVW (4*(32+3))(R1), R18 /* nPC */
MOVW (4*1)(R1), R1 /* restore R1=SP */
RETT R17, R18
TEXT puttbr(SB), $0
MOVW tbr+0(FP), R7
MOVW R7, TBR
OR R0, R0
OR R0, R0
OR R0, R0
RETURN
TEXT gettbr(SB), $0
MOVW TBR, R7
RETURN
TEXT r1(SB), $0
MOVW R1, R7
RETURN
TEXT getwim(SB), $0
MOVW WIM, R7
RETURN
.
24,25c
TEXT getpsr(SB), $0
MOVW PSR, R7
.
19a
MOVW $0x8, R7
MOVW R7, WIM
.
18c
MOVW $BOOTSTACK, R1
.
11,13c
MOVW $setSB(SB), R2
MOVW $startvirt(SB), R7
JMPL (R7)
.
8,9c
MOVW $KZERO, R7
MOVB R0, (R7, 3)
.
2a
#define SYSPSR (PSREF|SPL(0xF)|PSRSUPER)
.
## diffname ss/l.s 1990/1227
## diff -e /n/bootesdump/1990/1226/sys/src/9/sparc/l.s /n/bootesdump/1990/1227/sys/src/9/sparc/l.s
396c
MOVW R8, (R7, 0xE)
RETURN
TEXT putsegm(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 3)
.
392c
TEXT putwE(SB), $0
.
389c
MOVW R8, (R7, 0xD)
.
385c
TEXT putwD(SB), $0
.
382c
MOVW R8, (R7, 0xC)
.
378c
TEXT putwC(SB), $0
.
375c
MOVW R8, (R7, 4)
.
371c
TEXT putw4(SB), $0
.
326a
MOVW $1, R7
.
322d
3c
#define SYSPSR (PSREF|SPL(0x0)|PSRSUPER)
.
## diffname ss/l.s 1990/1231
## diff -e /n/bootesdump/1990/1227/sys/src/9/sparc/l.s /n/bootesdump/1990/1231/sys/src/9/sparc/l.s
338c
TEXT putcxreg(SB), $0
.
11a
MOVW $(KZERO+BY2SEGM), R7
MOVW $1, R8
MOVB R8, (R7, 3)
.
9c
/* get virtual by mapping segment(KZERO) to pmeg 0., and next to 1 */
.
## diffname ss/l.s 1991/0109
## diff -e /n/bootesdump/1990/1231/sys/src/9/sparc/l.s /n/bootesdump/1991/0109/sys/src/9/sparc/l.s
35a
/*
TEXT swap1_please(SB), $0
MOVW keyaddr+0(FP), R8
LDSTUB (R8), R7
RETURN
*/
.
## diffname ss/l.s 1991/0110
## diff -e /n/bootesdump/1991/0109/sys/src/9/sparc/l.s /n/bootesdump/1991/0110/sys/src/9/sparc/l.s
406a
MOVW R8, (R7, 0xE)
RETURN
TEXT putwE16(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
MOVW R8, (R7, 0xE)
ADD $(1<<4), R7
.
402a
TEXT putwD16(SB), $0
MOVW 0(FP), R7
MOVW 4(FP), R8
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
ADD $(1<<4), R7
MOVW R8, (R7, 0xD)
RETURN
.
103c
MOVW $SYSPSR, R7
.
51c
TEXT swap1x(SB), $0
.
42d
40c
TAS (R8), R7
.
36,37c
TEXT swap1(SB), $0
.
3c
#define SYSPSR (SPL(0xF)|PSRSUPER)
.
## diffname ss/l.s 1991/0111
## diff -e /n/bootesdump/1991/0110/sys/src/9/sparc/l.s /n/bootesdump/1991/0111/sys/src/9/sparc/l.s
3c
#define SYSPSR (SPL(0x0)|PSRSUPER)
.
## diffname ss/l.s 1991/0112
## diff -e /n/bootesdump/1991/0111/sys/src/9/sparc/l.s /n/bootesdump/1991/0112/sys/src/9/sparc/l.s
288,291c
MOVD (4*4)(R1), R4
MOVD (4*2)(R1), R2
.
255,258c
MOVD R4, (4*4)(R1) /* global register, R5=USER */
MOVD R6, (4*6)(R1) /* save R6=MACH, R7=syscall# */
.
251,252c
MOVW R8, (0-(4*(32+6))+4)(R1) /* save R1=SP */
SUB $(4*(32+6)), R1
.
238a
SUB $(4*(32+6)), R1
.
233,236c
MOVW R8, (0-(4*(32+6))+(4*1))(R1) /* save R1=SP */
MOVW R9, (0-(4*(32+6))+(4*2))(R1) /* save R2=SB */
MOVW R5, (0-(4*(32+6))+(4*5))(R1) /* save R5=USER */
MOVW R6, (0-(4*(32+6))+(4*6))(R1) /* save R6=MACH */
.
212,217c
MOVD (4*6)(R1), R6
MOVD (4*4)(R1), R4
MOVD (4*2)(R1), R2
.
187,210c
MOVD (4*30)(R1), R30
MOVD (4*28)(R1), R28
MOVD (4*26)(R1), R26
MOVD (4*24)(R1), R24
MOVD (4*22)(R1), R22
MOVD (4*20)(R1), R20
MOVD (4*18)(R1), R18
MOVD (4*16)(R1), R16
MOVD (4*14)(R1), R14
MOVD (4*12)(R1), R12
MOVD (4*10)(R1), R10
MOVD (4*8)(R1), R8
.
181,182c
restore:
MOVW (4*(32+2))(R1), R8 /* PSR */
MOVW R8, PSR
.
146,169c
/* save registers two at a time */
MOVD R8, (4*8)(R1)
MOVD R10, (4*10)(R1)
MOVD R12, (4*12)(R1)
MOVD R14, (4*14)(R1)
MOVD R16, (4*16)(R1)
MOVD R18, (4*18)(R1)
MOVD R20, (4*20)(R1)
MOVD R22, (4*22)(R1)
MOVD R24, (4*24)(R1)
MOVD R26, (4*26)(R1)
MOVD R28, (4*28)(R1)
MOVD R30, (4*30)(R1)
.
131d
127,129c
MOVW R2, (0-(4*(32+6))+(4*2))(R20) /* SB */
MOVW R5, (0-(4*(32+6))+(4*5))(R20) /* USER */
MOVW R6, (0-(4*(32+6))+(4*6))(R20) /* MACH */
SUB $(4*(32+6)), R20, R1
.
125c
ANDN $7, R1, R20 /* dbl aligned */
MOVW R1, (0-(4*(32+6))+(4*1))(R20) /* save R1=SP */
.
112a
TEXT rfnote(SB), $0
MOVW 0(FP), R1 /* 1st arg is &uregpointer */
ADD $4, R1 /* point at ureg */
JMP restore
.
39c
TAS (R8), R7 /* LDSTUB, thank you ken */
.
31,35d
3c
#define SYSPSR (SPL(0x0)|PSREF|PSRSUPER)
.
## diffname ss/l.s 1991/0115
## diff -e /n/bootesdump/1991/0112/sys/src/9/sparc/l.s /n/bootesdump/1991/0115/sys/src/9/sparc/l.s
464a
GLOBL fpq+0(SB), $(3*BY2WD)
GLOBL fpr+0(SB), $BY2WD
.
463a
TEXT clearfpintr(SB), $0
MOVW $fpq+BY2WD(SB), R7
ANDN $0x7, R7 /* must be D aligned */
MOVW $fpr+0(SB), R9
clrq:
MOVD FQ, (R7)
MOVW FSR, (R9)
MOVW (R9), R8
AND $(1<<13), R8 /* queue not empty? */
BNE clrq
RETURN
TEXT getfsr(SB), $0
MOVW $fpr+0(SB), R7
MOVW FSR, (R7)
MOVW (R7), R7
RETURN
.
28c
MOVW (R0), R0
.
## diffname ss/l.s 1991/01151
## diff -e /n/bootesdump/1991/0115/sys/src/9/sparc/l.s /n/bootesdump/1991/01151/sys/src/9/sparc/l.s
484c
GLOBL fsr+0(SB), $BY2WD
.
477c
MOVW $fsr+0(SB), R7
.
467c
MOVW $fsr+0(SB), R9
.
463a
TEXT savefpregs(SB), $0
MOVW 0(FP), R7
MOVW FSR, 0(R7)
ADD $(4+7), R7 /* double-align so can MOVD */
ANDN $7, R7
MOVD F0, (0*4)(R7)
MOVD F2, (2*4)(R7)
MOVD F4, (4*4)(R7)
MOVD F6, (6*4)(R7)
MOVD F8, (8*4)(R7)
MOVD F10, (10*4)(R7)
MOVD F12, (12*4)(R7)
MOVD F14, (14*4)(R7)
MOVD F16, (16*4)(R7)
MOVD F18, (18*4)(R7)
MOVD F20, (20*4)(R7)
MOVD F22, (22*4)(R7)
MOVD F24, (24*4)(R7)
MOVD F26, (26*4)(R7)
MOVD F28, (28*4)(R7)
MOVD F30, (30*4)(R7)
MOVW PSR, R8
ANDN $PSREF, R8
MOVW R8, PSR
RETURN
TEXT restfpregs(SB), $0
MOVW PSR, R8
OR $PSREF, R8
MOVW R8, PSR
MOVW 0(FP), R7
MOVW (R7), FSR
ADD $(4+7), R7 /* double-align so can MOVD */
ANDN $7, R7
MOVD (0*4)(R7), F0
MOVD (2*4)(R7), F2
MOVD (4*4)(R7), F4
MOVD (6*4)(R7), F6
MOVD (8*4)(R7), F8
MOVD (10*4)(R7), F10
MOVD (12*4)(R7), F12
MOVD (14*4)(R7), F14
MOVD (16*4)(R7), F16
MOVD (18*4)(R7), F18
MOVD (20*4)(R7), F20
MOVD (22*4)(R7), F22
MOVD (24*4)(R7), F24
MOVD (26*4)(R7), F26
MOVD (28*4)(R7), F28
MOVD (30*4)(R7), F30
ANDN $PSREF, R8
MOVW R8, PSR
RETURN
.
170c
JMPL trap(SB)
.
96c
MOVW $(SYSPSR&~PSREF), R7
.
23a
MOVW $(SPL(0xF)|PSREF|PSRSUPER), R7
MOVW R7, PSR
MOVW $(0x35<<22), R7 /* NVM OFM DZM AU */
MOVW R7, fsr+0(SB)
MOVW fsr+0(SB), FSR
FMOVD $0.5, F26 /* 0.5 -> F26 */
FSUBD F26, F26, F24 /* 0.0 -> F24 */
FADDD F26, F26, F28 /* 1.0 -> F28 */
FADDD F28, F28, F30 /* 2.0 -> F30 */
FMOVD F24, F0
FMOVD F24, F2
FMOVD F24, F4
FMOVD F24, F6
FMOVD F24, F8
FMOVD F24, F10
FMOVD F24, F12
FMOVD F24, F14
FMOVD F24, F16
FMOVD F24, F18
FMOVD F24, F20
FMOVD F24, F22
.
## diffname ss/l.s 1991/0712
## diff -e /n/bootesdump/1991/0201/sys/src/9/sparc/l.s /n/bootesdump/1991/0712/sys/src/9/slc/l.s
334d
126a
.
123d
120d
## diffname ss/l.s 1991/1006
## diff -e /n/bootesdump/1991/0712/sys/src/9/slc/l.s /n/bootesdump/1991/1006/sys/src/9/slc/l.s
116a
RETURN
TEXT spldone(SB), $0
.
111a
MOVW R15, 4(R(MACH)) /* save PC in m->splpc */
.
100a
MOVW R15, 4(R(MACH)) /* save PC in m->splpc */
.
## diffname ss/l.s 1991/1105
## diff -e /n/bootesdump/1991/1006/sys/src/9/slc/l.s /n/bootesdump/1991/1105/sys/src/9/slc/l.s
556a
.
529d
495d
488d
451d
444d
407d
400d
393d
386d
379d
373d
367d
360d
353,355c
MOVW $CONTEXT, R8
MOVB R7, (R8, 2)
.
344c
MOVW R7, R8 /* context */
.
336,338c
MOVW (R7), R1
MOVW 4(R7), R15
.
328d
304d
140c
MOVW R7, R1 /* 1st arg is &uregpointer */
.
132c
MOVW R7, R1
.
126,127c
MOVW $(SYSPSR&~PSREF), R8
MOVW R8, PSR
.
114d
79c
MOVW (R7), R7
.
71d
64c
MOVW R7, R8
.
58,59c
TAS (R7), R7 /* LDSTUB, thank you ken */
.
## diffname ss/l.s 1991/1106
## diff -e /n/bootesdump/1991/1105/sys/src/9/slc/l.s /n/bootesdump/1991/1106/sys/src/9/slc/l.s
277,278c
MOVW $SYSPSR, R8
MOVW R8, PSR
.
275c
MOVW R1, R7 /* pointer to Ureg */
.
192,193c
MOVW $SYSPSR, R8
MOVW R8, PSR
.
190c
MOVW R1, R7 /* pointer to Ureg */
.
122c
TEXT touser(SB), $0
.
## diffname ss/l.s 1991/1113
## diff -e /n/bootesdump/1991/1106/sys/src/9/slc/l.s /n/bootesdump/1991/1113/sys/src/9/slc/l.s
512,513c
MOVW (R7), FSR
ADD $4, R7 /* assumes R7 is now MOVD-aligned */
.
510c
NOOP
.
479,481d
477a
ADD $4, R7 /* assumes R7 is now MOVD-aligned */
.
378a
TEXT getw4(SB), $0
MOVW (R7, 4), R7
RETURN
.
344a
TEXT getpsr(SB), $0
MOVW PSR, R7
RETURN
.
302,304c
NOOP
.
285,287c
NOOP
.
252a
.
203,205c
NOOP
.
194,196c
NOOP
.
145a
.
125,127c
NOOP
.
113,115c
NOOP
.
104,106c
NOOP
.
92,94c
NOOP
.
74,76c
NOOP
.
50,51c
/* MOVW $0x8, R7 /**/
MOVW R0, WIM
.
18a
MOVW $_mul(SB), R0 /* touch _mul etc.; doesn't need to execute */
.
3c
#define SYSPSR (SPL(0x0)|PSREF|PSRSUPER|0)
#define NOOP OR R0, R0; OR R0, R0; OR R0, R0
.
## diffname ss/l.s 1991/1115
## diff -e /n/bootesdump/1991/1113/sys/src/9/slc/l.s /n/bootesdump/1991/1115/sys/src/9/slc/l.s
506,507c
MOVW -4(R7), FSR
.
504c
ADD $8, R7
ANDN $7, R7 /* now MOVD-aligned */
OR R0, R0
.
473,474c
ADD $8, R7
ANDN $7, R7 /* now MOVD-aligned */
MOVW FSR, -4(R7)
.
470a
/*
* in savefpregs and restfpregs, incoming R7 points to doubleword
* below where F0 will go; doubleword align in and backfill FSR
*/
.
## diffname ss/l.s 1992/0222
## diff -e /n/bootesdump/1991/1115/sys/src/9/slc/l.s /n/bootesdump/1992/0222/sys/src/9/slc/l.s
58c
TEXT tas(SB), $0
.
## diffname ss/l.s 1992/0722
## diff -e /n/bootesdump/1992/0222/sys/src/9/slc/l.s /n/bootesdump/1992/0722/sys/src/9/slc/l.s
419c
ADD $VACLINESZ, R7
.
417c
ADD $VACLINESZ, R7
.
415c
ADD $VACLINESZ, R7
.
413c
ADD $VACLINESZ, R7
.
411c
ADD $VACLINESZ, R7
.
409c
ADD $VACLINESZ, R7
.
407c
ADD $VACLINESZ, R7
.
405c
ADD $VACLINESZ, R7
.
403c
ADD $VACLINESZ, R7
.
401c
ADD $VACLINESZ, R7
.
399c
ADD $VACLINESZ, R7
.
397c
ADD $VACLINESZ, R7
.
395c
ADD $VACLINESZ, R7
.
393c
ADD $VACLINESZ, R7
.
391c
ADD $VACLINESZ, R7
.
327c
MOVW $PUTCXSEGM, R7
.
## diffname ss/l.s 1992/0724
## diff -e /n/bootesdump/1992/0722/sys/src/9/slc/l.s /n/bootesdump/1992/0724/sys/src/9/slc/l.s
461c
ADD $VACLINESZ, R7
.
459c
ADD $VACLINESZ, R7
.
457c
ADD $VACLINESZ, R7
.
455c
ADD $VACLINESZ, R7
.
453c
ADD $VACLINESZ, R7
.
451c
ADD $VACLINESZ, R7
.
449c
ADD $VACLINESZ, R7
.
447c
ADD $VACLINESZ, R7
.
445c
ADD $VACLINESZ, R7
.
443c
ADD $VACLINESZ, R7
.
441c
ADD $VACLINESZ, R7
.
439c
ADD $VACLINESZ, R7
.
437c
ADD $VACLINESZ, R7
.
435c
ADD $VACLINESZ, R7
.
433c
ADD $VACLINESZ, R7
.
## diffname ss/l.s 1992/0726
## diff -e /n/bootesdump/1992/0724/sys/src/9/slc/l.s /n/bootesdump/1992/0726/sys/src/9/slc/l.s
556d
554a
TEXT clearftt(SB), $0
MOVW R7, fsr+0(SB)
MOVW $fsr+0(SB), R7
MOVW (R7), FSR
FMOVF F0, F0
RETURN
.
544,546c
MOVW (R9), R10
ANDCC $(1<<13), R10 /* queue not empty? */
BE getfpq2
MOVD FQ, (R8)
ADD $1, R7
ADD $8, R8
BA getfpq1
getfpq2:
.
541,542c
MOVW $0, R7
getfpq1:
.
538,539c
MOVW R7, R8 /* must be D aligned */
.
536c
TEXT getfpq(SB), $0
.
502a
TEXT enabfp(SB), $0
MOVW PSR, R8
OR $PSREF, R8
MOVW R8, PSR
RETURN
TEXT disabfp(SB), $0
MOVW PSR, R8
ANDN $PSREF, R8
MOVW R8, PSR
RETURN
.
## diffname ss/l.s 1992/0727
## diff -e /n/bootesdump/1992/0726/sys/src/9/slc/l.s /n/bootesdump/1992/0727/sys/src/9/slc/l.s
523,527c
NOOP /* wait for PSR to quiesce */
MOVW 0(R7), FSR
ADD $4, R7
.
477,479c
MOVW FSR, 0(R7)
ADD $4, R7
.
471,474d
## diffname ss/l.s 1992/0728
## diff -e /n/bootesdump/1992/0727/sys/src/9/slc/l.s /n/bootesdump/1992/0728/sys/src/9/slc/l.s
4c
#define NOOP ORN R0, R0; ORN R0, R0; ORN R0, R0
.
## diffname ss/l.s 1992/0801
## diff -e /n/bootesdump/1992/0728/sys/src/9/slc/l.s /n/bootesdump/1992/0801/sys/src/9/slc/l.s
384a
RETURN
TEXT putw716(SB), $0
MOVW 4(FP), R8
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
ADD $BY2PG, R7
MOVW R8, (R7, 0x7)
.
369a
TEXT putw6(SB), $0
MOVW 4(FP), R8
MOVW R8, (R7, 6)
RETURN
TEXT putw8(SB), $0
MOVW 4(FP), R8
MOVW R8, (R7, 8)
RETURN
.
## diffname ss/l.s 1992/0802
## diff -e /n/bootesdump/1992/0801/sys/src/9/slc/l.s /n/bootesdump/1992/0802/sys/src/9/slc/l.s
600a
MOVW (R8), R0 /* SS2 bug fix */
.
## diffname ss/l.s 1992/0803
## diff -e /n/bootesdump/1992/0802/sys/src/9/slc/l.s /n/bootesdump/1992/0803/sys/src/9/slc/l.s
30c
MOVW $(0x35<<22), R7 /* NVM OFM DZM NS */
.
## diffname ss/l.s 1992/0804
## diff -e /n/bootesdump/1992/0803/sys/src/9/slc/l.s /n/bootesdump/1992/0804/sys/src/9/slc/l.s
567c
MOVW fsr+4(FP), FSR
.
## diffname ss/l.s 1992/0806
## diff -e /n/bootesdump/1992/0804/sys/src/9/slc/l.s /n/bootesdump/1992/0806/sys/src/9/slc/l.s
334,510d
14,15c
MOVW $1, R9
MOVB R9, (R7, 3)
.
## diffname ss/l.s 1992/0807
## diff -e /n/bootesdump/1992/0807/sys/src/9/slc/l.s /n/bootesdump/1992/0807/sys/src/9/ss/l.s
328a
RETURN
TEXT putw4(SB), $0
MOVW 4(FP), R8
MOVW R8, (R7, 4)
.
327c
MOVW $romputcxsegm(SB), R7
MOVW (R7), R7
.
24a
MOVW $romvec(SB), R7
MOVW R8, (R7) /* romvec passed in %i0==R8 */
.
## diffname ss/l.s 1992/0808
## diff -e /n/bootesdump/1992/0807/sys/src/9/ss/l.s /n/bootesdump/1992/0808/sys/src/9/ss/l.s
455a
/*
* Interface to ROM. Must save and restore state because
* of different calling conventions.
*/
TEXT call(SB), $16
MOVW R1, R14 /* save my SP in their SP */
MOVW R2, sb-4(SP)
MOVW R(MACH), mach-8(SP)
MOVW R(USER), user-12(SP)
MOVW param1+4(FP), R8
MOVW param2+8(FP), R9
MOVW param3+12(FP), R10
MOVW param4+16(FP), R11
JMPL (R7)
MOVW R14, R1 /* restore my SP */
MOVW user-12(SP), R(USER)
MOVW mach-8(SP), R(MACH)
MOVW sb-4(SP), R2
MOVW R8, R7 /* move their return value into mine */
RETURN
.
25c
MOVW $rom(SB), R7
.
## diffname ss/l.s 1992/0810
## diff -e /n/bootesdump/1992/0808/sys/src/9/ss/l.s /n/bootesdump/1992/0810/sys/src/9/ss/l.s
344a
TEXT setpsr(SB), $0
MOVW R7, PSR
NOOP
RETURN
.
## diffname ss/l.s 1992/0811
## diff -e /n/bootesdump/1992/0810/sys/src/9/ss/l.s /n/bootesdump/1992/0811/sys/src/9/ss/l.s
120c
MOVW $(SYSPSR&~(PSREF|PSRET|SPL(15))), R8
.
103c
OR $SPL(15), R10
.
93c
ANDN $SPL(15), R10
.
3c
#define SYSPSR (SPL(0x0)|PSREF|PSRET|PSRSUPER|SPL(15)|0)
.
## diffname ss/l.s 1992/0812
## diff -e /n/bootesdump/1992/0811/sys/src/9/ss/l.s /n/bootesdump/1992/0812/sys/src/9/ss/l.s
464,465c
* Interface to OPEN BOOT ROM. Must save and restore state because
* of different calling conventions. We don't use it, but it's here
* for reference..
.
27a
/* turn off the cache */
MOVW $ENAB, R7
MOVB (R7, 2), R8
ANDN $ENABCACHE, R8
MOVB R8, (R7, 2)
.
17a
.
## diffname ss/l.s 1992/0904
## diff -e /n/bootesdump/1992/0812/sys/src/9/ss/l.s /n/bootesdump/1992/0904/sys/src/9/ss/l.s
42c
MOVW $fsr+0(SB), R8
MOVW (R8), FSR
.
## diffname ss/l.s 1992/0912
## diff -e /n/bootesdump/1992/0904/sys/src/9/ss/l.s /n/bootesdump/1992/0912/sys/src/9/ss/l.s
465a
RETURN
TEXT _getcallerpc(SB), $0
MOVW 0(R1), R7
.
94a
NOOP
TAS (R7), R7 /* LDSTUB, thank you ken */
MOVW R8, PSR
NOOP
.
76,93c
MOVW PSR, R8
MOVW $SYSPSR, R9
.
74c
TEXT tas(SB), $0 /* it seems we must be splhi */
.
69c
TEXT oldtas(SB), $0
.
3c
#define SYSPSR (PSREF|PSRET|PSRSUPER|SPL(15))
.
## diffname ss/l.s 1992/0913
## diff -e /n/bootesdump/1992/0912/sys/src/9/ss/l.s /n/bootesdump/1992/0913/sys/src/9/ss/l.s
84a
TEXT softtas(SB), $0 /* all software; avoid LDSTUB */
MOVW PSR, R8
MOVW $SYSPSR, R9
MOVW R9, PSR
NOOP
MOVB (R7), R10
CMP R10, R0
BE gotit
#ifdef asdf
ANDN $31, R7 /* flush cache line */
MOVW $0, (R7, 0xD)
#endif
MOVW $0xFF, R7
MOVW R8, PSR
NOOP
RETURN
gotit:
MOVW $0xFF, R10
MOVB R10, (R7)
#ifdef asdf
ANDN $31, R7 /* flush cache line */
MOVW $0, (R7, 0xD)
#endif
MOVW $0, R7
MOVW R8, PSR
NOOP
RETURN
.
## diffname ss/l.s 1993/0123
## diff -e /n/bootesdump/1992/0913/sys/src/9/ss/l.s /n/bootesdump/1993/0123/sys/src/9/ss/l.s
14a
MOVB R9, (R7, 3)
ADD $(BY2SEGM), R7
MOVW $2, R9
MOVB R9, (R7, 3)
ADD $(BY2SEGM), R7
MOVW $3, R9
.
13c
ADD $(BY2SEGM), R7
.
10c
/* get virtual by mapping segment(KZERO) to pmeg 0, and next to 1, etc. */
.
## diffname ss/l.s 1993/0501 # deleted
## diff -e /n/bootesdump/1993/0123/sys/src/9/ss/l.s /n/fornaxdump/1993/0501/sys/src/brazil/ss/l.s
1,520d
|
