diff 1990/0921/gnot/mmu.c

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1990/0921/gnot/mmu.c (diff list | history)

1990/0709/sys/src/9/gnot/mmu.c:12,17 – 1990/0921/sys/src/9/gnot/mmu.c:12,28 (short | long | prev | next)
1990/06021
KMap arena[4*1024*1024/BY2PG]; /* kernel mmu maps up to 4MB */ }kmapalloc;

1990/0921
void putxmmu(ulong tlbvirt, ulong tlbphys, int pid) { if(pid != u->p->pid) panic("putxmmu %ld %ld\n", pid, u->p->pid); if(tlbvirt&KZERO) panic("putmmu"); tlbphys |= VTAG(tlbvirt)<<24; UMAP[(tlbvirt&0x003FE000L)>>2] = tlbphys; }

1990/03091
/* * Called splhi, not in Running state */

1990/0709/sys/src/9/gnot/mmu.c:19,24 – 1990/0921/sys/src/9/gnot/mmu.c:30,36
1990/03091
mapstack(Proc *p) { ulong tlbvirt, tlbphys;

1990/0921
ulong i;

1990/03091
if(p->upage->va != (USERADDR|(p->pid&0xFFFF))) panic("mapstack %d 0x%lux 0x%lux", p->pid, p->upage->pa, p->upage->va);

1990/0709/sys/src/9/gnot/mmu.c:27,32 – 1990/0921/sys/src/9/gnot/mmu.c:39,52
1990/03091
putkmmu(tlbvirt, tlbphys); flushmmu(); u = (User*)USERADDR;

1990/0921
if(u->mc.next >= NMMU){ u->mc.next &= NMMU - 1; for(i = u->mc.next; i < NMMU; i++) putxmmu(u->mc.mmu[i].va, u->mc.mmu[i].pa, u->mc.mmu[i].pid); } for(i = 0; i < u->mc.next; i++) putxmmu(u->mc.mmu[i].va, u->mc.mmu[i].pa, u->mc.mmu[i].pid);/**/

1990/03091
} void

1990/0709/sys/src/9/gnot/mmu.c:43,48 – 1990/0921/sys/src/9/gnot/mmu.c:63,76
1990/03091
{ if(tlbvirt&KZERO) panic("putmmu");

1990/0921
if(u){ MMU *mp; mp = &(u->mc.mmu[u->mc.next&(NMMU-1)]); mp->pa = tlbphys; mp->va = tlbvirt; mp->pid = u->p->pid; u->mc.next++; }/**/

1990/03091
tlbphys |= VTAG(tlbvirt)<<24; UMAP[(tlbvirt&0x003FE000L)>>2] = tlbphys; }

1990/0709/sys/src/9/gnot/mmu.c:53,58 – 1990/0921/sys/src/9/gnot/mmu.c:81,102
1990/03091
flushcpucache(); *PARAM &= ~TLBFLUSH_; *PARAM |= TLBFLUSH_;

1990/0921
} void flushmmucache(void) { if(u == 0) panic("flushmmucache"); u->mc.next = 0; } void clearmmucache(void) { if(u == 0) panic("clearmmucache"); memset(&u->mc, 0, sizeof u->mc);

1990/06021
} void


`1990/0709/sys/src/9/gnot/mmu.c:12,17 – 1990/0921/sys/src/9/gnot/mmu.c:12,28` (short \| long \| prev \| next)
1990/06021		KMap arena[410241024/BY2PG]; /* kernel mmu maps up to 4MB */ }kmapalloc;
1990/0921		void putxmmu(ulong tlbvirt, ulong tlbphys, int pid) { if(pid != u->p->pid) panic("putxmmu %ld %ld\n", pid, u->p->pid); if(tlbvirt&KZERO) panic("putmmu"); tlbphys \|= VTAG(tlbvirt)<<24; UMAP[(tlbvirt&0x003FE000L)>>2] = tlbphys; }
1990/03091		/* * Called splhi, not in Running state */
`1990/0709/sys/src/9/gnot/mmu.c:19,24 – 1990/0921/sys/src/9/gnot/mmu.c:30,36`
1990/03091		mapstack(Proc *p) { ulong tlbvirt, tlbphys;
1990/0921		ulong i;
1990/03091		if(p->upage->va != (USERADDR\|(p->pid&0xFFFF))) panic("mapstack %d 0x%lux 0x%lux", p->pid, p->upage->pa, p->upage->va);
`1990/0709/sys/src/9/gnot/mmu.c:27,32 – 1990/0921/sys/src/9/gnot/mmu.c:39,52`
1990/03091		putkmmu(tlbvirt, tlbphys); flushmmu(); u = (User*)USERADDR;
1990/0921		if(u->mc.next >= NMMU){ u->mc.next &= NMMU - 1; for(i = u->mc.next; i < NMMU; i++) putxmmu(u->mc.mmu[i].va, u->mc.mmu[i].pa, u->mc.mmu[i].pid); } for(i = 0; i < u->mc.next; i++) putxmmu(u->mc.mmu[i].va, u->mc.mmu[i].pa, u->mc.mmu[i].pid);/**/
1990/03091		} void
`1990/0709/sys/src/9/gnot/mmu.c:43,48 – 1990/0921/sys/src/9/gnot/mmu.c:63,76`
1990/03091		{ if(tlbvirt&KZERO) panic("putmmu");
1990/0921		if(u){ MMU mp; mp = &(u->mc.mmu[u->mc.next&(NMMU-1)]); mp->pa = tlbphys; mp->va = tlbvirt; mp->pid = u->p->pid; u->mc.next++; }/*/
1990/03091		tlbphys \|= VTAG(tlbvirt)<<24; UMAP[(tlbvirt&0x003FE000L)>>2] = tlbphys; }
`1990/0709/sys/src/9/gnot/mmu.c:53,58 – 1990/0921/sys/src/9/gnot/mmu.c:81,102`
1990/03091		flushcpucache(); PARAM &= ~TLBFLUSH_; PARAM \|= TLBFLUSH_;
1990/0921		} void flushmmucache(void) { if(u == 0) panic("flushmmucache"); u->mc.next = 0; } void clearmmucache(void) { if(u == 0) panic("clearmmucache"); memset(&u->mc, 0, sizeof u->mc);
1990/06021		} void