1991/0906/pc/main.c (diff list | history)

1991/0905/sys/src/9/pc/main.c:7,17 – 1991/0906/sys/src/9/pc/main.c:7,16 (short | long | prev | next)
1991/0716		#include "ureg.h" #include "init.h"
1991/0629
1991/0716		char user[NAMELEN] = "bootes"; extern long edata;
1991/0711
1991/0906		char user[NAMELEN] = "bootes";
1991/0905
1991/0716		void
1991/0702		main(void)
1991/0625		{
1991/0905/sys/src/9/pc/main.c:23,28 – 1991/0906/sys/src/9/pc/main.c:22,28
1991/0827		print("%ludK bytes of physical memory\n", (conf.base1 + conf.npage1*BY2PG)/1024);
1991/0711		mmuinit();
1991/0718		trapinit();
1991/0906		mathinit();
1991/0719		kbdinit();
1991/0718		clockinit(); faultinit();
1991/0905/sys/src/9/pc/main.c:52,58 – 1991/0906/sys/src/9/pc/main.c:52,57
1991/0716		memset(m, 0, sizeof(Mach)); m->machno = n; m->mmask = 1<<m->machno; m->fpstate = FPinit; active.machs = 1;
1991/0625		}
1991/0905/sys/src/9/pc/main.c:90,97 – 1991/0906/sys/src/9/pc/main.c:89,94
1991/0716		User *up; KMap *k;
1991/0905		setvec(Coprocvec, coprocintr);
1991/0711
1991/0716		p = newproc(); p->pgrp = newpgrp(); p->egrp = newegrp();
1991/0905/sys/src/9/pc/main.c:99,104 – 1991/0906/sys/src/9/pc/main.c:96,102
1991/0716		strcpy(p->text, "*init*"); p->fpstate = FPinit;
1991/0906		fpoff();
1991/0716		/* * Kernel Stack
1991/0905/sys/src/9/pc/main.c:224,251 – 1991/0906/sys/src/9/pc/main.c:222,298
1991/0711		}
1991/0716		/*
1991/0906		* math coprocessor error */ void matherror(Ureg *ur) { postnote(u->p, 1, "math: 837 error", 0); } /* * math coprocessor emulation fault */ void mathemu(Ureg *ur) { switch(u->p->fpstate){ case FPinit: fpinit(); u->p->fpstate = FPactive; break; case FPinactive: fprestore(&u->fpsave); u->p->fpstate = FPactive; break; case FPactive: print("emu actv 0x%lux\n", getcr0()); postnote(u->p, 1, "math: emulation", 0); break; } } /* * math coprocessor segment overrun */ void mathover(Ureg *ur) { postnote(u->p, 1, "math: segment overrun", 0); } void mathinit(void) { setvec(Matherrorvec, matherror); setvec(Mathemuvec, mathemu); setvec(Mathovervec, mathover); } /*
1991/0716		* set up floating point for a new process * BUG -- needs floating point support */
1991/0703		void
1991/0716		procsetup(Proc *p)
1991/0703		{
1991/0716		p->fpstate = FPinit; m->fpstate = FPinit;
1991/0906		fpoff();
1991/0705		}
1991/0712		/*
1991/0716		* Save the part of the process state. * BUG -- needs floating point support
1991/0906		* Save the mach dependent part of the process state.
1991/0712		*/
1991/0705		void
1991/0716		procsave(uchar *state, int len)
1991/0705		{
1991/0906		if(u->p->fpstate == FPactive){ fpsave(&u->fpsave); u->p->fpstate = FPinactive; }
1991/0712		} /*
1991/0716		* Restore what procsave() saves * BUG -- needs floating point support
1991/0712		*/
1991/0716		void procrestore(Proc *p, uchar *state)
1991/0905/sys/src/9/pc/main.c:258,264 – 1991/0906/sys/src/9/pc/main.c:305,313
1991/0716		panic("firmware");
1991/0712		}
1991/0906		/* * make noise, blink lights */
1991/0716		void buzz(int f, int d)
1991/0712		{
1991/0905/sys/src/9/pc/main.c:268,274 – 1991/0906/sys/src/9/pc/main.c:317,322
1991/0716		lights(int val) {
1991/0702		}
1991/0803		/* * special stuff for 80c51 power management and headland system controller