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when #size-cells is zero, don't expect a size.

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Andrew Cagney 2001-11-14 19:54:59 +00:00
parent 378af1d671
commit bebd2b3536
2 changed files with 17 additions and 5 deletions
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7
sim/ppc/ChangeLog
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@ -1,3 +1,10 @@
2001-10-29 Andrew Cagney <ac131313@redhat.com>
* tree.c (parse_size): Assert #size-cells > 0.
(parse_address): Ditto for #address-cells.
(parse_reg_property): Only parse the size when #size-cells is
non-zero.
2001-10-25 Andrew Cagney <ac131313@redhat.com>
* emul_generic.c (OEA_MEMORY_SIZE): Increase to 4mb.

15
sim/ppc/tree.c
View file

@ -463,6 +463,7 @@ parse_address(device *current,
const char *chp,
device_unit *address)
{
ASSERT(device_nr_address_cells(bus) > 0);
if (device_decode_unit(bus, chp, address) < 0)
device_error(current, "invalid unit address in %s", chp);
return skip_token(chp);
@ -485,6 +486,7 @@ parse_size(device *current,
/* parse the numeric list */
size->nr_cells = device_nr_size_cells(bus);
nr = 0;
ASSERT(size->nr_cells > 0);
while (1) {
char *next;
size->cells[nr] = strtoul(curr, &next, 0);
@ -521,9 +523,11 @@ parse_reg_property(device *current,
int reg_nr;
reg_property_spec *regs;
const char *chp;
device *bus = device_parent(current);
/* determine the number of reg entries by counting tokens */
nr_regs = count_entries(current, property_name, property_value, 2);
nr_regs = count_entries(current, property_name, property_value,
1 + (device_nr_size_cells(bus) > 0));
/* create working space */
regs = zalloc(nr_regs * sizeof(*regs));
@ -531,10 +535,11 @@ parse_reg_property(device *current,
/* fill it in */
chp = property_value;
for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) {
chp = parse_address(current, device_parent(current),
chp, &regs[reg_nr].address);
chp = parse_size(current, device_parent(current),
chp, &regs[reg_nr].size);
chp = parse_address(current, bus, chp, &regs[reg_nr].address);
if (device_nr_size_cells(bus) > 0)
chp = parse_size(current, bus, chp, &regs[reg_nr].size);
else
memset(&regs[reg_nr].size, sizeof (&regs[reg_nr].size), 0);
}
/* create it */