1991/0711/pc/main.c (diff list | history)

1991/0709/sys/src/9/pc/main.c:5,21 – 1991/0711/sys/src/9/pc/main.c:5,36 (short | long | prev | next)
1991/0702		#include "fns.h"
1991/0706		#include "io.h"
1991/0629
1991/0711		char sysname[NAMELEN]; Conf conf; char user[NAMELEN] = "bootes"; extern ulong edata;
1991/0702		main(void)
1991/0625		{
1991/0711		int i; machinit(); confinit();
1991/0703		screeninit();
1991/0711		print("%d pages in bank0, %d pages in bank1\n", conf.npage0, conf.npage1); print("edata == %lux, end == %lux\n", &edata, &end);
1991/0703		trapinit();
1991/0711		mmuinit(); clockinit(); alarminit();
1991/0703		kbdinit();
1991/0706		clockinit(); mmuinit(); floppyinit();
1991/0705		spllo();
1991/0709		floppystart(0);
1991/0706		for(;;){
1991/0711		for(i=0; i<100; i++){
1991/0706		int c; c = getc(&kbdq);
1991/0709/sys/src/9/pc/main.c:22,46 – 1991/0711/sys/src/9/pc/main.c:37,155
1991/0706		if(c!=-1) screenputc(c); idle();
1991/0709		if((TK2SEC(m->ticks)%5)==0) if((TK2SEC(m->ticks)%10)==0) floppystop(0); else floppystart(0);
1991/0711		floppyseek(0, 0); floppyseek(0, 18*512*20);
1991/0706		}
1991/0711		for(;;);
1991/0625		}
1991/0629		void
1991/0711		machinit(void) { int n; n = m->machno; memset(m, 0, sizeof(Mach)); m->machno = n; m->mmask = 1<<m->machno; active.machs = 1; } void
1991/0702		delay(int l)
1991/0625		{
1991/0702		int i;
1991/0625
1991/0702		while(--l){
1991/0706		for(i=0; i < 100; i++)
1991/0711		for(i=0; i < 404; i++)
1991/0702		; }
1991/0625		}
1991/0711		void confinit(void) { long x, i, j, *l; int mul; /* * size memory */ x = 0x12345678; for(i=1; i<16; i++){ /* * write the word */ l = (long*)(KZERO|(i*1024L*1024L)); *l = x; /* * take care of wraps */ for(j = 0; j < i; j++){ l = (long*)(KZERO|(j*1024L*1024L)); *l = 0; } /* * check */ l = (long*)(KZERO|(i*1024L*1024L)); if(*l != x) break; x += 0x3141526; } /* * the first 640k is the standard useful memory */ conf.npage0 = 640/4; conf.base0 = 0; /* * the last 128k belongs to the roms */ conf.npage1 = (i)*1024/4; conf.base1 = 1024/4; conf.npage = conf.npage0 + conf.npage1; conf.maxialloc = (640*1024-256*1024-BY2PG); mul = 1; conf.nproc = 20 + 50*mul; conf.npgrp = conf.nproc/2; conf.nseg = conf.nproc*3; conf.npagetab = (conf.nseg*14)/10; conf.nswap = conf.nproc*80; conf.nimage = 50; conf.nalarm = 1000; conf.nchan = 4*conf.nproc; conf.nenv = 4*conf.nproc; conf.nenvchar = 8000*mul; conf.npgenv = 200*mul; conf.nmtab = 50*mul; conf.nmount = 80*mul; conf.nmntdev = 15*mul; conf.nmntbuf = conf.nmntdev+3; conf.nmnthdr = 2*conf.nmntdev; conf.nsrv = 16*mul; /* was 32 */ conf.nbitmap = 512*mul; conf.nbitbyte = conf.nbitmap*1024*screenbits(); conf.nfont = 10*mul; conf.nnoifc = 1; conf.nnoconv = 32; conf.nurp = 32; conf.nasync = 1; conf.nstream = (conf.nproc*3)/2; conf.nqueue = 5 * conf.nstream; conf.nblock = 24 * conf.nstream; conf.npipe = conf.nstream/2; conf.copymode = 0; /* copy on write */ conf.ipif = 8; conf.ip = 64; conf.arp = 32; conf.frag = 32; conf.cntrlp = 0; }
1991/0702		int sprint(char *s, char *fmt, ...)
1991/0625		{
1991/0709/sys/src/9/pc/main.c:73,79 – 1991/0711/sys/src/9/pc/main.c:182,231
1991/0706		idle();
1991/0705		}
1991/0711		int kbdputc(IOQ* q, int c) { if(c==0x10) panic("^p"); putc(q, c); } struct Palloc palloc; void* ialloc(ulong n, int align) { ulong p; if(palloc.active && n!=0) print("ialloc bad\n"); if(palloc.addr == 0) palloc.addr = ((ulong)&end)&~KZERO; if(align) palloc.addr = PGROUND(palloc.addr); memset((void*)(palloc.addr|KZERO), 0, n); p = palloc.addr; palloc.addr += n; if(align) palloc.addr = PGROUND(palloc.addr); if(palloc.addr >= conf.maxialloc) panic("keep bill joy away"); return (void*)(p|KZERO); }
1991/0705		void sched(void)
1991/0711		{ } void ready(Proc*p) { } int postnote(Proc*p, int x, char* y, int z)
1991/0705		{
1991/0711		panic("postnote");
1991/0702		}