1999/0515/alphapc/main.c (diff list | history)

1999/0514/sys/src/9/alphapc/main.c:15,20 – 1999/0515/sys/src/9/alphapc/main.c:15,21 (short | long | prev | next)
1999/0415		Bootconf *bootconf; Conf conf; FPsave initfp;
1999/0515		uvlong initfpcr = 0x2800800000000000LL;
1999/0415		void main(void)
1999/0514/sys/src/9/alphapc/main.c:26,33 – 1999/0515/sys/src/9/alphapc/main.c:27,32
1999/0415		clockinit(); confinit(); archinit(); savefpregs(&initfp);
1999/0514		fpenab(0);
1999/0415		mmuinit(); xinit(); printinit();
1999/0514/sys/src/9/alphapc/main.c:47,54 – 1999/0515/sys/src/9/alphapc/main.c:46,53
1999/0415		#ifdef NEVER percpu = hwrpb + (hwrpb[40]>>2); // percpu[32] |= 2; /* restart capable */ percpu[32] &= ~1; /* boot in progress - not */
1999/0515		// percpu[32] |= 2; /* restart capable */ percpu[32] &= ~1; /* boot in progress - not */
1999/0415		// percpu[32] |= (3<<16); /* warm boot requested */ // percpu[32] |= (2<<16); /* cold boot requested */ // percpu[32] |= (4<<16); /* stay halted */
1999/0514/sys/src/9/alphapc/main.c:61,66 – 1999/0515/sys/src/9/alphapc/main.c:60,67
1999/0415		chandevreset();
1999/0423		pageinit();
1999/0415		swapinit();
1999/0515		savefpregs(&initfp); initfp.fpstatus = 0x68028000;
1999/0415		userinit(); schedinit(); }
1999/0514/sys/src/9/alphapc/main.c:131,139 – 1999/0515/sys/src/9/alphapc/main.c:132,138
1999/0415		strcpy(p->text, "*init*"); strcpy(p->user, eve); p->fpstate = FPinit; p->fpsave.fpstatus = initfp.fpstatus; fpenab(0);
1999/0515		procsetup(p);
1999/0415		/* * Kernel Stack
1999/0514/sys/src/9/alphapc/main.c:168,173 – 1999/0515/sys/src/9/alphapc/main.c:167,210
1999/0415		kunmap(k); ready(p);
1999/0515		} void procsetup(Proc *p) { p->fpstate = FPinit; fpenab(0); } void procsave(Proc *p) { if(p->fpstate == FPactive){ if(p->state == Moribund) fpenab(0); else{ /* * Fpsave() stores without handling pending * unmasked exeptions. Postnote() can't be called * here as sleep() already has up->rlock, so * the handling of pending exceptions is delayed * until the process runs again and generates an * emulation fault to activate the FPU. */ savefpregs(&up->fpsave); //print("PS=%lux+", up->fpsave.fpstatus); } p->fpstate = FPinactive; } /* * Switch to the prototype page tables for this processor. * While this processor is in the scheduler, the process could run * on another processor and exit, returning the page tables to * the free list where they could be reallocated and overwritten. * When this processor eventually has to get an entry from the * trashed page tables it will crash. */
1999/0415		} void