This commit is contained in:
aiju 2015-04-12 16:16:19 +02:00
commit d9880518f0
3 changed files with 6 additions and 5 deletions

View file

@ -319,7 +319,7 @@ static long
segmentread(Chan *c, void *a, long n, vlong voff) segmentread(Chan *c, void *a, long n, vlong voff)
{ {
Globalseg *g; Globalseg *g;
char buf[32]; char buf[128];
if(c->qid.type == QTDIR) if(c->qid.type == QTDIR)
return devdirread(c, a, n, (Dirtab *)0, 0L, segmentgen); return devdirread(c, a, n, (Dirtab *)0, 0L, segmentgen);
@ -329,11 +329,11 @@ segmentread(Chan *c, void *a, long n, vlong voff)
g = c->aux; g = c->aux;
if(g->s == nil) if(g->s == nil)
error("segment not yet allocated"); error("segment not yet allocated");
if(g->s->type&SG_TYPE == SG_FIXED) if((g->s->type&SG_TYPE) == SG_FIXED)
sprint(buf, "va %#p %#p fixed %#p\n", g->s->base, g->s->top-g->s->base, snprint(buf, sizeof(buf), "va %#p %#p fixed %#p\n", g->s->base, g->s->top-g->s->base,
g->s->map[0]->pages[0]->pa); g->s->map[0]->pages[0]->pa);
else else
sprint(buf, "va %#p %#p\n", g->s->base, g->s->top-g->s->base); snprint(buf, sizeof(buf), "va %#p %#p\n", g->s->base, g->s->top-g->s->base);
return readstr(voff, a, n, buf); return readstr(voff, a, n, buf);
case Qdata: case Qdata:
g = c->aux; g = c->aux;

View file

@ -267,7 +267,6 @@ fixfault(Segment *s, uintptr addr, int read, int doputmmu)
copypage(old, *pg); copypage(old, *pg);
putpage(old); putpage(old);
} }
case SG_FIXED: /* Never paged out */
mmuphys = PPN((*pg)->pa) | PTEWRITE | PTEVALID; mmuphys = PPN((*pg)->pa) | PTEWRITE | PTEVALID;
(*pg)->modref = PG_MOD|PG_REF; (*pg)->modref = PG_MOD|PG_REF;
break; break;
@ -280,6 +279,7 @@ fixfault(Segment *s, uintptr addr, int read, int doputmmu)
new->ref = 1; new->ref = 1;
*pg = new; *pg = new;
} }
case SG_FIXED: /* Never paged out */
if (checkaddr && addr == addr2check) if (checkaddr && addr == addr2check)
(*checkaddr)(addr, s, *pg); (*checkaddr)(addr, s, *pg);
mmuphys = PPN((*pg)->pa) |PTEWRITE|PTEUNCACHED|PTEVALID; mmuphys = PPN((*pg)->pa) |PTEWRITE|PTEUNCACHED|PTEVALID;

View file

@ -21,6 +21,7 @@ dev
draw screen draw screen
mouse mouse
usb usb
segment
link link
etherzynq etherzynq