1991/0720/pc/main.c (diff list | history)

1991/0719/sys/src/9/pc/main.c:65,70 – 1991/0720/sys/src/9/pc/main.c:65,73 (short | long | prev | next)
1991/0716		u->p->state = Running; u->p->mach = m;
1991/0712
1991/0720		print("go low\n"); spllo();
1991/0716		/* * These are o.k. because rootinit is null. * Then early kproc's will have a root and dot.
1991/0719/sys/src/9/pc/main.c:74,91 – 1991/0720/sys/src/9/pc/main.c:77,85
1991/0712
1991/0716		chandevinit();
1991/0718		/*
1991/0719		* fault in the first executable page and user stack
1991/0718		*/
1991/0719		print("text is %lux\n", *((ulong *)(UTZERO+32)));
1991/0720		print("going to user\n"); delay(1000);
1991/0718
1991/0719		/* fault in the first stack page */ print("stack is %lux\n", *((ulong *)(USTKTOP-4))); *((ulong *)(USTKTOP-4)) = 0xdeadbeef; print("stack is %lux\n", *((ulong *)(USTKTOP-4))); delay(5000);
1991/0716		touser();
1991/0712		}
1991/0719/sys/src/9/pc/main.c:110,119 – 1991/0720/sys/src/9/pc/main.c:104,112
1991/0717		*
1991/0719		* N.B. The -12 for the stack pointer is important. * 4 bytes for gotolabel's return PC * 8 bytes for optional sp and ss pushed during interrupts
1991/0716		*/ p->sched.pc = (ulong)init0;
1991/0719		p->sched.sp = USERADDR + BY2PG - 12;
1991/0720		p->sched.sp = USERADDR + BY2PG - 4;
1991/0716		p->upage = newpage(1, 0, USERADDR|(p->pid&0xFFFF)); /*