1994/1111/pc/main.c (diff list | history)

1994/1111/sys/src/9/pc/main.c:313,324 – 1994/1210/sys/src/9/pc/main.c:313,350 (short | long | prev | next)
1994/0814		for(n = 0; n < BY2PG/BY2WD; n++) if(lp[n] != ~(seed + (n^((BY2PG/BY2WD)-1)))) return -1;
1994/0815		memset(lp, '!', BY2PG);
1994/1210		/* memset(lp, '!', BY2PG);/**/
1994/0814		} return 0; }
1994/1210		/* * look for unused address space in 0xC8000 to 1 meg */
1993/0915		void
1994/1210		romscan(void) { uchar *p; p = (uchar*)(KZERO+0xC8000); while(p < (uchar*)(KZERO+0xE0000)){ p[0] = 0x55; p[1] = 0xAA; p[2] = 4; if(p[0] != 0x55 || p[1] != 0xAA){ putisa(PADDR(p), 2048); p += 2048; continue; } p += p[2]*512; } p = (uchar*)(KZERO+0xE0000); if(p[0] != 0x55 || p[1] != 0xAA) putisa(PADDR(p), 64*1024); } void
1991/0711		confinit(void) {
1994/0814		long x, i, j, n;
1994/1111/sys/src/9/pc/main.c:360,365 – 1994/1210/sys/src/9/pc/main.c:386,392
1993/0416		nconf++; }
1994/0814
1994/1210
1993/0416		/*
1993/0915		* size memory above 1 meg. Kernel sits at 1 meg. We * only recognize MB size chunks.
1994/1111/sys/src/9/pc/main.c:436,441 – 1994/1210/sys/src/9/pc/main.c:463,476
1993/0915		conf.topofmem = j*MB; break; }
1994/1210		/* * add address space holes holes under 16 meg to available * isa space. */ romscan(); if(conf.topofmem < 16*MB) putisa(conf.topofmem, 16*MB - conf.topofmem);
1993/0915
1991/0711		conf.npage = conf.npage0 + conf.npage1;
1992/1113		conf.ldepth = 0;