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In mem_regions(), remove zero sized entry returned from OF.

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Since this function uses size == 0 to delimiter, valid entries must not
contain 0 in size field.

G4 Cube should boot now. :-)
This commit is contained in:
tsubai 2000-09-24 15:57:03 +00:00
parent 572a824811
commit 4833accce2
1 changed files with 39 additions and 11 deletions
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50
sys/arch/powerpc/powerpc/ofw_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: ofw_machdep.c,v 1.5 2000/05/23 13:25:43 tsubai Exp $ */
/* $NetBSD: ofw_machdep.c,v 1.6 2000/09/24 15:57:03 tsubai Exp $ */
/*
* Copyright (C) 1996 Wolfgang Solfrank.
@ -60,21 +60,49 @@ void
mem_regions(memp, availp)
struct mem_region **memp, **availp;
{
int phandle, i, j, cnt;
int phandle, i, cnt;
/*
* Get memory.
*/
if ((phandle = OF_finddevice("/memory")) == -1
|| OF_getprop(phandle, "reg",
OFmem, sizeof OFmem[0] * OFMEM_REGIONS)
<= 0
|| OF_getprop(phandle, "available",
OFavail, sizeof OFavail[0] * OFMEM_REGIONS)
<= 0)
panic("no memory?");
if ((phandle = OF_finddevice("/memory")) == -1)
goto error;
bzero(OFmem, sizeof OFmem);
cnt = OF_getprop(phandle, "reg",
OFmem, sizeof OFmem[0] * OFMEM_REGIONS);
if (cnt <= 0)
goto error;
/* Remove zero sized entry in the returned data. */
cnt /= sizeof OFmem[0];
for (i = 0; i < cnt; i++)
if (OFmem[i].size == 0) {
bcopy(&OFmem[i + 1], &OFmem[i],
(cnt - i) * sizeof OFmem[0]);
cnt--;
}
bzero(OFavail, sizeof OFavail);
cnt = OF_getprop(phandle, "available",
OFavail, sizeof OFavail[0] * OFMEM_REGIONS);
if (cnt <= 0)
goto error;
cnt /= sizeof OFavail[0];
for (i = 0; i < cnt; i++)
if (OFavail[i].size == 0) {
bcopy(&OFavail[i + 1], &OFavail[i],
(cnt - i) * sizeof OFavail[0]);
cnt--;
}
*memp = OFmem;
*availp = OFavail;
return;
error:
panic("no memory?");
}
void