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)
{
Globalseg *g;
char buf[32];
char buf[128];
if(c->qid.type == QTDIR)
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;
if(g->s == nil)
error("segment not yet allocated");
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,
if((g->s->type&SG_TYPE) == SG_FIXED)
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);
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);
case Qdata:
g = c->aux;

View file

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

View file

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