1991/1006/ss/l.s (diff list | history)

1991/0712/sys/src/9/ss/l.s:98,103 – 1991/1006/sys/src/9/ss/l.s:98,104 (short | long | prev | next)
1990/1226		TEXT splhi(SB), $0
1991/1006		MOVW R15, 4(R(MACH)) /* save PC in m->splpc */
1990/1226		MOVW PSR, R7 MOVW R7, R10 AND $~PSRET, R10 /* BUG: book says this is buggy */
1991/0712/sys/src/9/ss/l.s:109,119 – 1991/1006/sys/src/9/ss/l.s:110,125
1990/1226		TEXT splx(SB), $0
1991/1006		MOVW R15, 4(R(MACH)) /* save PC in m->splpc */
1990/1226		MOVW psr+0(FP), R7 MOVW R7, PSR /* BUG: book says this is buggy */ OR R0, R0 OR R0, R0 OR R0, R0
1991/1006		RETURN TEXT spldone(SB), $0
1990/1226		RETURN TEXT touser(SB), $-4