1990/0504/power/l.s (diff list | history)

1990/0430/sys/src/9/power/l.s:147,192 – 1990/0504/sys/src/9/power/l.s:147,162 (short | long | prev | next)
1990/0227		MOVW 4(R2), R29 RET
1990/0430		TEXT gotopc(SB), $-4
1990/0504		TEXT gotopc(SB), $8
1990/0419
1990/0430		MOVW 0(FP), R7 /* save arguments for later */
1990/0427		MOVW _argc(SB), R4 MOVW _argv(SB), R5
1990/0419
1990/0430		MOVW $WBFLUSH, R1 /* flush write buffer */ MOVW 0(R1), R1 NOOP                  MOVW $KSEG1, R3 /* change to uncached address space */ MOVW $gotopc0(SB), R2 OR R3, R2 JMP (R2) TEXT gotopc0(SB), $-4                  MOVW $(SWC|ISC), R1 /* swap and isolate cache, stay splhi */ MOVW R1, M(STATUS) NOOP                  MOVW $gotopc1(SB), R2 /* change back to cached address space */ JMP (R2) TEXT gotopc1(SB), $-4                  MOVW $KSEG0, R6 /* init loop variables */ MOVW $(64*1024), R8 _gotopc1: MOVBU R0, 0x00(R6) SUB $0x4, R8 ADD $0x4, R6 BGTZ R8, _gotopc1                  MOVW $gotopc2(SB), R2 /* change to uncached address space */ OR R3, R2 JMP (R2) TEXT gotopc2(SB), $-4                  MOVW R0, M(STATUS) /* put caches back, still splhi */ NOOP
1990/0504		MOVW _env(SB), R6 MOVW R0, 4(SP) MOVW $(64*1024), R1 MOVW R1, 8(SP) JAL icflush(SB)
1990/0430		JMP (R7)
1990/0227		TEXT puttlb(SB), $4
1990/0430/sys/src/9/power/l.s:502,515 – 1990/0504/sys/src/9/power/l.s:472,487
1990/0227		MOVW R3, M(STATUS)
1990/0430		RET
1990/0504		/* * we avoid using R4, R5, R6, and R7 so gotopc can call us without saving them */
1990/0430		TEXT icflush(SB), $-4 /* icflush(physaddr, nbytes) */ MOVW M(STATUS), R6 MOVW 0(FP), R4 MOVW 4(FP), R5
1990/0504		MOVW M(STATUS), R10 MOVW 0(FP), R8 MOVW 4(FP), R9
1990/0430		MOVW $KSEG0, R3 OR R3, R4
1990/0504		OR R3, R8
1990/0430		MOVW $0, M(STATUS) MOVW $WBFLUSH, R1 /* wbflush */ MOVW 0(R1), R1
1990/0430/sys/src/9/power/l.s:529,553 – 1990/0504/sys/src/9/power/l.s:501,525
1990/0430		TEXT icflush1(SB), $-4 _icflush1: MOVBU R0, 0x00(R4) MOVBU R0, 0x04(R4) MOVBU R0, 0x08(R4) MOVBU R0, 0x0C(R4) MOVBU R0, 0x10(R4) MOVBU R0, 0x14(R4) MOVBU R0, 0x18(R4) MOVBU R0, 0x1C(R4) MOVBU R0, 0x20(R4) MOVBU R0, 0x24(R4) MOVBU R0, 0x28(R4) MOVBU R0, 0x2C(R4) MOVBU R0, 0x30(R4) MOVBU R0, 0x34(R4) MOVBU R0, 0x38(R4) MOVBU R0, 0x3C(R4) SUB $0x40, R5 ADD $0x40, R4 BGTZ R5, _icflush1
1990/0504		MOVBU R0, 0x00(R8) MOVBU R0, 0x04(R8) MOVBU R0, 0x08(R8) MOVBU R0, 0x0C(R8) MOVBU R0, 0x10(R8) MOVBU R0, 0x14(R8) MOVBU R0, 0x18(R8) MOVBU R0, 0x1C(R8) MOVBU R0, 0x20(R8) MOVBU R0, 0x24(R8) MOVBU R0, 0x28(R8) MOVBU R0, 0x2C(R8) MOVBU R0, 0x30(R8) MOVBU R0, 0x34(R8) MOVBU R0, 0x38(R8) MOVBU R0, 0x3C(R8) SUB $0x40, R9 ADD $0x40, R8 BGTZ R9, _icflush1
1990/0430		MOVW $icflush2(SB), R2 /* make sure PC is in uncached address space */ OR R3, R2 JMP (R2)
1990/0430/sys/src/9/power/l.s:556,562 – 1990/0504/sys/src/9/power/l.s:528,534
1990/0430		MOVW $0, M(STATUS) /* swap back caches, de-isolate them, and stay splhi */ NOOP /* +++ */ MOVW R6, M(STATUS)
1990/0504		MOVW R10, M(STATUS)
1990/0430		RET TEXT dcflush(SB), $-4 /* dcflush(physaddr, nbytes) */