1997/1101/pc/memory.c (diff list | history)

1997/1011/sys/src/9/pc/memory.c:74,79 – 1997/1101/sys/src/9/pc/memory.c:74,80 (short | long | prev | next)
1997/0331		&mapumbrw[7],
1997/0329		};
1997/1101		#define notdef
1997/0329		#ifdef notdef
1997/0327		void
1997/0329		dumpmembank(void)
1997/1011/sys/src/9/pc/memory.c:302,308 – 1997/1101/sys/src/9/pc/memory.c:303,309
1997/0327		* pool later if it isn't needed. */ va = KADDR(pa); table = &((ulong*)m->pdb)[PDX(va)];
1997/1101		table = &m->pdb[PDX(va)];
1997/0327		if(*table == 0){ if(map == 0 && (map = mapalloc(&rmapram, 0, BY2PG, BY2PG)) == 0) break;
1997/1011/sys/src/9/pc/memory.c:365,371 – 1997/1101/sys/src/9/pc/memory.c:366,372
1997/0327		* initialised space for the page table. */
1997/0522		if((pa % (4*MB)) == 0){
1997/0327		table = &((ulong*)m->pdb)[PDX(va)];
1997/1101		table = &m->pdb[PDX(va)];
1997/0522		if(nvalid[MemUPA] == (4*MB)/BY2PG)
1997/0327		*table = 0;
1997/0522		else if(nvalid[MemRAM] == (4*MB)/BY2PG && (m->cpuiddx & 0x08))
1997/1011/sys/src/9/pc/memory.c:383,390 – 1997/1101/sys/src/9/pc/memory.c:384,392
1997/0327		mapfree(&rmapram, map, BY2PG);
1997/0329		if(pa < maxmem) mapfree(&rmapupa, pa, maxmem-pa);
1997/1011		if(maxmem < 0xFEC00000) mapfree(&rmapupa, maxmem, 0xFEC00000-maxmem);
1997/1101		if(maxmem < 0xFFE00000) mapfree(&rmapupa, maxmem, 0xFFE00000-maxmem); print("maxmem %uX %uX\n", maxmem, 0xFFE00000-maxmem);
1997/0327		*k0 = kzero; }
1997/1011/sys/src/9/pc/memory.c:401,411 – 1997/1101/sys/src/9/pc/memory.c:403,413
1997/0327		* then scan for useful memory. */ for(pa = 0xA0000; pa < 0xC0000; pa += BY2PG){ pte = mmuwalk(m->pdb, (ulong)KADDR(pa), 0);
1997/1101		pte = mmuwalk(m->pdb, (ulong)KADDR(pa), 2, 0);
1997/0327		*pte |= PTEWT; } for(pa = 0xC0000; pa < 0x100000; pa += BY2PG){ pte = mmuwalk(m->pdb, (ulong)KADDR(pa), 0);
1997/1101		pte = mmuwalk(m->pdb, (ulong)KADDR(pa), 2, 0);
1997/0327		*pte |= PTEUNCACHED; } mmuflushtlb(PADDR(m->pdb));
1997/1011/sys/src/9/pc/memory.c:432,437 – 1997/1101/sys/src/9/pc/memory.c:434,440
1997/0327		conf.base1 = xmp->addr; conf.npage1 = xmp->size/BY2PG; }
1997/1101		dumpmembank();
1997/0327		} ulong