1993/0918/carrera/main.c (diff list | history)

1993/0915/sys/src/9/carrera/main.c:35,41 – 1993/0918/sys/src/9/carrera/main.c:35,41 (short | long | prev | next)
1993/0903		main(void) { tlbinit(); /* Very early to establish IO mappings */ ioinit();
1993/0918		ioinit(1);
1993/0903		arginit(); confinit(); savefpregs(&initfp);
1993/0915/sys/src/9/carrera/main.c:46,53 – 1993/0918/sys/src/9/carrera/main.c:46,53
1993/0903		printinit();
1993/0905		serialinit();
1993/0903		vecinit(); iprint("\n\nBrazil\n");
1993/0914		/* screeninit(); */
1993/0918		screeninit(); print("\n\nBrazil\n");
1993/0903		pageinit(); procinit0(); initseg();
1993/0915/sys/src/9/carrera/main.c:163,177 – 1993/0918/sys/src/9/carrera/main.c:163,190
1993/0903		* Map IO address space in wired down TLB entry 1 */ void ioinit(void)
1993/0918		ioinit(int mapeisa)
1993/0903		{
1993/0907		ulong devphys, isaphys, intphys, isamphys;
1993/0903
1993/0904		/*
1993/0918		* If you want to segattach the eisa space these * mappings must be turned off to prevent duplication * of the tlb entries */ if(mapeisa) { isaphys = IOPTE|PPN(Eisaphys)|PTEGLOBL; isamphys = 0x04000000|IOPTE|PTEGLOBL; } else { isaphys = PTEGLOBL; isamphys = PTEGLOBL; } /*
1993/0906		* Map devices and the Eisa control space
1993/0904		*/
1993/0908		devphys = IOPTE|PPN(Devicephys);
1993/0914		isaphys = /* IOPTE|PPN(Eisaphys) */ PTEGLOBL;
1993/0903
1993/0906		puttlbx(1, Devicevirt, devphys, isaphys, PGSZ64K);
1993/0915/sys/src/9/carrera/main.c:179,185 – 1993/0918/sys/src/9/carrera/main.c:192,197
1993/0907		* Map Interrupt control & Eisa memory
1993/0904		*/
1993/0908		intphys = IOPTE|PPN(Intctlphys);
1993/0915		isamphys = /* IOPTE|PPN(Eisamphys) */ PTEGLOBL;
1993/0904
1993/0907		puttlbx(2, Intctlvirt, intphys, isamphys, PGSZ1M);
1993/0915/sys/src/9/carrera/main.c:187,195 – 1993/0918/sys/src/9/carrera/main.c:199,205
1993/0905		IO(ushort, Intenareg) = 0xffff;
1993/0908		/* Look at the first 16M of Eisa memory */ iprint("write latch\n"); /* IO(uchar, EisaLatch) = 0; /**/ iprint("done\n");
1993/0903		}
1993/0906		/*
1993/0915/sys/src/9/carrera/main.c:364,370 – 1993/0918/sys/src/9/carrera/main.c:374,380
1993/0903		conf.npage1 = 0; conf.base1 = 0;
1993/0904		conf.upages = (conf.npage*70)/100;
1993/0918		conf.upages = (conf.npage*50)/100;
1993/0903		conf.nmach = 1;
1993/0915/sys/src/9/carrera/main.c:377,383 – 1993/0918/sys/src/9/carrera/main.c:387,393
1993/0903		conf.arp = 32; conf.frag = 32;
1993/0907		conf.monitor = 0;
1993/0918		conf.monitor = 1;
1993/0906
1993/0905		conf.copymode = 0; /* copy on write */
1993/0903		}