1992/0808/ss/main.c (diff list | history)

1992/0807/sys/src/9/ss/main.c:5,10 – 1992/0808/sys/src/9/ss/main.c:5,11 (short | long | prev | next)
1990/1223		#include "fns.h" #include "io.h" #include "init.h"
1992/0808		#include "rom.h"
1990/1223
1992/0211		#include <libg.h>
1990/1223		#include <gnot.h>
1992/0807/sys/src/9/ss/main.c:12,21 – 1992/0808/sys/src/9/ss/main.c:13,24
1992/0807		uchar *intrreg; int model; uchar idprom[32]; ulong romvec; /* open boot rom vector */
1992/0808		ROM *rom; /* open boot rom vector */
1992/0807		int cpuserver; ulong romputcxsegm;
1992/0808		void (*romputcxsegm)(int, ulong, int);
1992/0807		ulong bank[2];
1992/0808		char rombuf[20000]; char mempres[256];
1991/0110
1990/1223		void main(void)
1992/0807/sys/src/9/ss/main.c:114,119 – 1992/0808/sys/src/9/ss/main.c:117,123
1992/0516		kproc("alarm", alarmkproc, 0); chandevinit();
1990/1226
1992/0808
1991/0926		if(!waserror()){
1991/1102		ksetterm("sun %s");
1991/0927		ksetenv("cputype", "sparc");
1992/0807/sys/src/9/ss/main.c:204,239 – 1992/0808/sys/src/9/ss/main.c:208,295
1991/0926		systemreset();
1990/1223		}
1992/0807		int banksize(ulong addr, ulong nbytes)
1992/0808		void scanmem(char *mempres, int n)
1992/0807		{ int i; ulong min, max, t; ulong va, pa; ulong nmeg;
1992/0808		ulong va, addr;
1992/0807		nmeg = nbytes/MB; va = 1*MB-2*BY2PG; for(i=0; i<nmeg; i++){ pa = addr+i*MB; putw4(va, PPN(pa)|PTEVALID|PTEKERNEL|PTENOCACHE|PTEWRITE|PTEMAINMEM); *(ulong*)va = pa;
1992/0808		for(i=0; i<n; i++){ mempres[i] = 0; addr = i*MB; putw4(va, PPN(addr)|PTEVALID|PTEKERNEL|PTENOCACHE|PTEWRITE|PTEMAINMEM); *(ulong*)va = addr; if(*(ulong*)va == addr){ addr = ~addr; *(ulong*)va = addr; if(*(ulong*)va == addr){ mempres[i] = 1; *(ulong*)va = i + '0'; } }
1992/0807		} min = ~0; max = 0; for(i=0; i<nmeg; i++){ pa = addr+i*MB; putw4(va, PPN(pa)|PTEVALID|PTEKERNEL|PTENOCACHE|PTEWRITE|PTEMAINMEM); t = *(ulong*)va; if(min > t) min = t; if(max < t) max = t;
1992/0808		for(i=0; i<n; i++) if(mempres[i]){ addr = i*MB; putw4(va, PPN(addr)|PTEVALID|PTEKERNEL|PTENOCACHE|PTEWRITE|PTEMAINMEM); mempres[i] = *(ulong*)va; }else mempres[i] = 0; } char name[1024]; void romprops(ulong d, char *namep, ulong p) { static ulong romp; uchar buf[128]; int i, n; romp += sprint(rombuf+romp, "romprops %lux %lux\n", d, p); while(p && *(char*)p){ n = call(rom->conf->getproplen, d, p); if(n>=0 && n<sizeof buf){ call(rom->conf->getprop, d, p, buf); if(strcmp((char*)p, "name")==0){ strcpy(namep, (char*)buf); romp += sprint(rombuf+romp, "`%s'\n", name); }else{ romp += sprint(rombuf+romp, "%lux: %s: ", d, p); for(i=0; i<n; i++) romp += sprint(rombuf+romp, "%.2ux ", buf[i]); romp += sprint(rombuf+romp, "\n"); } }else romp += sprint(rombuf+romp, "%lux: %s(%d)\n", d, p, n); p = call(rom->conf->nextprop, d, p);
1992/0807		} putw4(va, INVALIDPTE); return (max-min)/MB+1; }
1992/0808		void romwalk(ulong d, char* namep) { char *endp; *namep++ = '/'; *namep = 0; while(d){ romprops(d, namep, call(rom->conf->nextprop, d, 0)); endp = namep+strlen(namep); romwalk(call(rom->conf->child, d), endp); *endp = 0; d = call(rom->conf->next, d); } } void fuck(void) { name[0] = 0; romwalk(call(rom->conf->next, 0), name); }
1990/1223		Conf conf; void
1992/0807/sys/src/9/ss/main.c:240,247 – 1992/0808/sys/src/9/ss/main.c:296,303
1990/1223		confinit(void) { int mul;
1992/0807		ulong i; ulong ktop, va, mbytes;
1992/0808		ulong i, j; ulong ktop, va, mbytes, nmeg, npg, v;
1990/1226
1990/1223		conf.nmach = 1; if(conf.nmach > MAXMACH)
1992/0807/sys/src/9/ss/main.c:256,263 – 1992/0808/sys/src/9/ss/main.c:312,325
1992/0807		putw4(va, INVALIDPTE);
1992/0619
1992/0807		switch(idprom[1]){ case 0x51: /* sparcstation 1 */ case 0x54: /* slc */
1992/0808		/* sparcstation 1+ BUG: unknown! */ case 0x52: /* IPC 4/40 */ case 0x53: /* sparcstation 1+ 4/65 */ /* fall through */ /* sparcstation 1 */ case 0x51: /* sparcstation 1 4/60 */ case 0x54: /* slc 4/20 */
1992/0807		default: conf.ss2 = 0; conf.vacsize = 65536;
1992/0807/sys/src/9/ss/main.c:266,276 – 1992/0808/sys/src/9/ss/main.c:328,340
1992/0807		conf.npmeg = 128; conf.ss2cachebug = 0; conf.monitor = 1; /* BUG */ conf.base0 = 0; conf.base1 = 32*MB;
1992/0808		nmeg = 64;
1992/0807		break;
1992/0715
1992/0807		case 0x55: /* sparcstation 2 */
1992/0808		/* sparcstation 2 */ case 0x55: /* sparcstation 2 4/75 */ case 0x56: /* ELC 4/25 */ case 0x57: /* IPX 4/50 */
1992/0807		conf.ss2 = 1; conf.vacsize = 65536; conf.vaclinesize = 32;
1992/0807/sys/src/9/ss/main.c:278,295 – 1992/0808/sys/src/9/ss/main.c:342,371
1992/0807		conf.npmeg = 256; conf.ss2cachebug = 1; conf.monitor = 0; /* BUG */ conf.base0 = 0; conf.base1 = 16*MB;
1992/0808		nmeg = 64;
1992/0807		break; } bank[0] = banksize(conf.base0, 16*MB); bank[1] = banksize(conf.base1, 16*MB); conf.npage0 = (bank[0]*MB)/BY2PG; conf.npage1 = (bank[1]*MB)/BY2PG;
1992/0808		scanmem(mempres, nmeg); for(i=0; i<nmeg; i++) if(mempres[i]){ v = mempres[i]; for(j=i+1; j<nmeg && mempres[j]>v; j++) v = mempres[j]; npg = ((v+1)-mempres[i])*MB/BY2PG; if(conf.npage0 == 0){ conf.base0 = i*MB; conf.npage0 = npg; }else if(conf.npage1 < npg){ conf.base1 = i*MB; conf.npage1 = npg; } i = v-'0'; }
1992/0807		romputcxsegm = *(ulong*)(romvec+260);
1992/0808		bank[0] = conf.npage0*BY2PG/MB; bank[1] = conf.npage1*BY2PG/MB;
1992/0807		conf.npage = conf.npage0+conf.npage1; conf.upages = (conf.npage*70)/100; if(cpuserver){
1992/0807/sys/src/9/ss/main.c:297,302 – 1992/0808/sys/src/9/ss/main.c:373,380
1992/0807		if(i > (6*MB)/BY2PG) conf.upages += i - ((6*MB)/BY2PG); }
1992/0808		romputcxsegm = rom->putcxsegm;
1992/0807
1992/0715		ktop = PGROUND((ulong)end); ktop = PADDR(ktop);