1990/0722/power/trap.c (diff list | history)

1990/0619/sys/src/9/power/trap.c:126,145 – 1990/0722/sys/src/9/power/trap.c:126,151 (short | long | prev | next)
1990/0227		break; case CCPU: if(u->p->fpstate == FPinit) {
1990/0722		if(u && u->p && u->p->fpstate == FPinit) {
1990/0227		restfpregs(&initfp); u->p->fpstate = FPactive; ur->status |= CU1; break; } if(u->p->fpstate == FPinactive) {
1990/0722		if(u && u->p && u->p->fpstate == FPinactive) {
1990/0227		restfpregs(&u->fpsave); u->p->fpstate = FPactive; ur->status |= CU1; break; }
1990/0722		goto Default;
1990/0227		default:
1990/0722		if(u && u->p && u->p->fpstate == FPactive){ savefpregs(&u->fpsave); u->p->fpstate = FPinactive; ur->status &= ~CU1; }
1990/0227		Default: /* * This isn't good enough; can still deadlock because we may hold print's locks
1990/0619/sys/src/9/power/trap.c:433,439 – 1990/0722/sys/src/9/power/trap.c:439,445
1990/0227		* guarantee anything about registers, */ if(u->p->fpstate == FPactive) { u->p->fpstate = FPinit; /* BUG */
1990/0722		u->p->fpstate = FPinit;
1990/0227		ur->status &= ~CU1; } spllo();