1997/0331/pc/memory.c (diff list | history)

1997/0329/sys/src/9/pc/memory.c:67,77 – 1997/0331/sys/src/9/pc/memory.c:67,77 (short | long | prev | next)
1997/0327		&mapumb[63], };
1997/0329		static Map mapumbr[8]; static RMap rmapumbr = {
1997/0331		static Map mapumbrw[8]; static RMap rmapumbrw = {
1997/0329		"UMB device memory", mapumbr, &mapumbr[7],
1997/0331		mapumbrw, &mapumbrw[7],
1997/0329		}; #define notdef
1997/0329/sys/src/9/pc/memory.c:85,91 – 1997/0331/sys/src/9/pc/memory.c:85,91
1997/0329		maxpa = (nvramread(0x18)<<8)|nvramread(0x17); maxpa1 = (nvramread(0x31)<<8)|nvramread(0x30); maxpa2 = (nvramread(0x16)<<8)|nvramread(0x15); print("maxpa = %uX -> %uX, maxpa1 = %uXm maxpa2 = %uX\n",
1997/0331		print("maxpa = %uX -> %uX, maxpa1 = %uX maxpa2 = %uX\n",
1997/0329		maxpa, MB+maxpa*KB, maxpa1, maxpa2); for(mp = rmapram.map; mp->size; mp++)
1997/0329/sys/src/9/pc/memory.c:92,98 – 1997/0331/sys/src/9/pc/memory.c:92,98
1997/0329		print("%8.8uX %8.8uX %8.8uX\n", mp->addr, mp->size, mp->addr+mp->size); for(mp = rmapumb.map; mp->size; mp++) print("%8.8uX %8.8uX %8.8uX\n", mp->addr, mp->size, mp->addr+mp->size); for(mp = rmapumbr.map; mp->size; mp++)
1997/0331		for(mp = rmapumbrw.map; mp->size; mp++)
1997/0329		print("%8.8uX %8.8uX %8.8uX\n", mp->addr, mp->size, mp->addr+mp->size); for(mp = rmapupa.map; mp->size; mp++) print("%8.8uX %8.8uX %8.8uX\n", mp->addr, mp->size, mp->addr+mp->size);
1997/0329/sys/src/9/pc/memory.c:212,218 – 1997/0331/sys/src/9/pc/memory.c:212,218
1997/0327		while(p < (uchar*)KADDR(0xE0000)){ p[0] = 0xCC; p[2*KB-1] = 0xCC;
1997/0329		if(p[0] != 0xCC && p[2*KB-1] != 0xCC){
1997/0331		if(p[0] != 0xCC || p[2*KB-1] != 0xCC){
1997/0329		p[0] = 0x55; p[1] = 0xAA; p[2] = 4;
1997/0329/sys/src/9/pc/memory.c:223,229 – 1997/0331/sys/src/9/pc/memory.c:223,229
1997/0327		mapfree(&rmapumb, PADDR(p), 2*KB);
1997/0329		} else mapfree(&rmapumbr, PADDR(p), 2*KB);
1997/0331		mapfree(&rmapumbrw, PADDR(p), 2*KB);
1997/0327		p += 2*KB; }
1997/0329/sys/src/9/pc/memory.c:481,494 – 1997/0331/sys/src/9/pc/memory.c:481,514
1997/0329		} ulong umbrmalloc(ulong addr, int size, int align)
1997/0331		umbrwmalloc(ulong addr, int size, int align)
1997/0329		{ ulong a;
1997/0331		uchar *p;
1997/0329		if(a = mapalloc(&rmapumbr, addr, size, align))
1997/0331		if(a = mapalloc(&rmapumbrw, addr, size, align))
1997/0329		return KZERO|a;
1997/0331		/* * Perhaps the memory wasn't visible before * the interface is initialised, so try again. */ if((a = umbmalloc(addr, size, align)) == 0) return 0; p = (uchar*)a; p[0] = 0xCC; p[size-1] = 0xCC; if(p[0] == 0xCC && p[size-1] == 0xCC) return a; umbfree(a, size);
1997/0329		return 0;
1997/0331		} void umbrwfree(ulong addr, int size) { mapfree(&rmapumbrw, addr & ~KZERO, size);
1997/0327		} ulong