1999/0608/mpc/mmu.c (diff list | history)

mpc/mmu.c on 1999/0121
1999/0121		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" void mmuinit(void) {
1999/0127		print("mmuinit\n");
1999/0126		kernelmmu();
1999/0121		} void
1999/0128		flushmmu(void) { // print("flushmmu()\n"); _flushmmu(); } void
1999/0126		mmuswitch(Proc*)
1999/0121		{
1999/0126		flushmmu();
1999/0121		} void mmurelease(Proc* proc) { USED(proc); }
1999/0127		void
1999/0608		putmmu(ulong va, ulong pa, Page *pg)
1999/0127		{ int x, r;
1999/0608		char *ctl; //if((va&0x8000000) == 0)
1999/0128		//print("putmmu va=%ux pa=%ux\n", va, pa);
1999/0127		x = splhi(); r = _putmmu(va, pa);
1999/0608		ctl = &pg->cachectl[m->machno]; switch(*ctl) { default: panic("putmmu: %d\n", *ctl); break; case PG_NOFLUSH: break; case PG_TXTFLUSH: icflush((void*)pg->va, BY2PG); *ctl = PG_NOFLUSH; break; case PG_NEWCOL: dcflush((void*)pg->va, BY2PG); *ctl = PG_NOFLUSH; break; }
1999/0127		splx(x); }