1991/01151/ss/l.s (diff list | history)

1991/0115/sys/src/9/ss/l.s:21,26 – 1991/01151/sys/src/9/ss/l.s:21,51 (short | long | prev | next)
1990/1223		TEXT startvirt(SB), $-4
1990/1226		MOVW $BOOTSTACK, R1
1991/01151		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
1990/1223		MOVW $mach0(SB), R(MACH)
1990/1226		MOVW $0x8, R7 MOVW R7, WIM
1991/0115/sys/src/9/ss/l.s:93,99 – 1991/01151/sys/src/9/ss/l.s:118,124
1990/1226		TEXT touser(SB), $-4
1991/0110		MOVW $SYSPSR, R7
1991/01151		MOVW $(SYSPSR&~PSREF), R7
1990/1226		MOVW R7, PSR OR R0, R0
1991/0115/sys/src/9/ss/l.s:167,173 – 1991/01151/sys/src/9/ss/l.s:192,198
1990/1226		OR R0, R0 OR R0, R0 OR R0, R0 JMPL faultsparc(SB)
1991/01151		JMPL trap(SB)
1990/1226		ADD $8, R1
1991/0112		restore:
1991/0115/sys/src/9/ss/l.s:461,470 – 1991/01151/sys/src/9/ss/l.s:486,558
1990/1227		MOVW R8, (R7, 3)
1990/1223		RETURN
1991/01151		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
1991/0115		TEXT clearfpintr(SB), $0 MOVW $fpq+BY2WD(SB), R7 ANDN $0x7, R7 /* must be D aligned */ MOVW $fpr+0(SB), R9
1991/01151		MOVW $fsr+0(SB), R9
1991/0115		clrq: MOVD FQ, (R7) MOVW FSR, (R9)
1991/0115/sys/src/9/ss/l.s:474,480 – 1991/01151/sys/src/9/ss/l.s:562,568
1991/0115		RETURN TEXT getfsr(SB), $0 MOVW $fpr+0(SB), R7
1991/01151		MOVW $fsr+0(SB), R7
1991/0115		MOVW FSR, (R7) MOVW (R7), R7 RETURN
1991/0115/sys/src/9/ss/l.s:481,484 – 1991/01151/sys/src/9/ss/l.s:569,572
1991/0115
1990/1223		GLOBL mach0+0(SB), $MACHSIZE
1991/0115		GLOBL fpq+0(SB), $(3*BY2WD) GLOBL fpr+0(SB), $BY2WD
1991/01151		GLOBL fsr+0(SB), $BY2WD