1991/1004/gnot/mmu.c (diff list | history)

1991/1004/sys/src/9/gnot/mmu.c:32,38 – 1992/0103/sys/src/9/gnot/mmu.c:32,37 (short | long | prev | next)
1990/1004
1991/0705		if(p->newtlb) { flushmmu(); clearmmucache(); p->newtlb = 0; }
1991/1004/sys/src/9/gnot/mmu.c:42,61 – 1992/0103/sys/src/9/gnot/mmu.c:41,46
1990/1004		*/ if(!p->kp && p!=m->lproc){ flushmmu();                  /* * preload the MMU with the last (up to) NMMU user entries * previously faulted into it for this process. */ mn = &u->mc.mmu[u->mc.next&(NMMU-1)]; me = &u->mc.mmu[NMMU]; if(u->mc.next >= NMMU){ for(mm = mn; mm < me; mm++) UMAP[mm->va] = mm->pa; } for(mm = u->mc.mmu; mm < mn; mm++) UMAP[mm->va] = mm->pa;                  m->lproc = p; }
1990/03091		}
1991/1004/sys/src/9/gnot/mmu.c:82,98 – 1992/0103/sys/src/9/gnot/mmu.c:67,72
1990/03091		panic("putmmu"); tlbphys |= VTAG(tlbvirt)<<24;
1990/1004		tlbvirt = (tlbvirt&0x003FE000L)>>2; if(u){ MMU *mp; int s;                  s = splhi(); mp = &(u->mc.mmu[u->mc.next&(NMMU-1)]); mp->pa = tlbphys; mp->va = tlbvirt; u->mc.next++; splx(s); } UMAP[tlbvirt] = tlbphys;
1990/03091		}
1991/1004/sys/src/9/gnot/mmu.c:102,115 – 1992/0103/sys/src/9/gnot/mmu.c:76,81
1990/03091		flushcpucache(); *PARAM &= ~TLBFLUSH_; *PARAM |= TLBFLUSH_;
1990/1004		}                  void clearmmucache(void) { if(u == 0)
1991/0705		panic("clearmmucache");
1990/1004		u->mc.next = 0;
1990/06021		} void