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fdt: move dumpdtb interpretation code to device_tree.c

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The dumpdtb code can be useful in more places than just for e500. Move it
to a generic place.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-09-23 08:37:59 +02:00
parent 011aba24ed
commit 711934334e
3 changed files with 25 additions and 14 deletions
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22
device_tree.c
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@ -304,3 +304,25 @@ int qemu_devtree_add_subnode(void *fdt, const char *name)
g_free(dupname);
return retval;
}
void qemu_devtree_dumpdtb(void *fdt, int size)
{
QemuOpts *machine_opts;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *dumpdtb = qemu_opt_get(machine_opts, "dumpdtb");
if (dumpdtb) {
/* Dump the dtb to a file and quit */
FILE *f = fopen(dumpdtb, "wb");
size_t len;
len = fwrite(fdt, size, 1, f);
fclose(f);
if (len != size) {
exit(1);
}
exit(0);
}
}
}