uval
ofd_devtree_init(uval mem, uval *space)
{
uval sz;
uval mapped;
/* map the first page, there may be more */
mapped = map_pages(mem, mem, PGSIZE);
sz = ofd_size(mem);
*space = ofd_space(mem);
if (sz > mapped) {
/* map the rest */
map_pages(mem + mapped, mem + mapped, sz - mapped);
}
#ifdef OFD_DEBUG
ofd_walk((void *)mem, OFD_ROOT, ofd_dump_props, OFD_DUMP_VALUES);
#endif
/* scan the tree and identify resources */
ofd_pci_addr(mem);
ofd_proc_dev_probe((void *)mem);
if (ofd_platform_probe)
ofd_platform_probe((void *)mem);
*space -= 8;
return mem;
}
ulong ofd_dom0_fixup(struct domain *d, ulong mem, const char *cmdline,
ulong shared_info)
{
const char compat[] = "Hypervisor,Maple";
const char d0[] = "dom0";
void *m;
const ofdn_t n = OFD_ROOT;
ofdn_t r;
u32 did;
m = (void *)mem;
#ifdef PAPR_VDEVICE
printk("Add /vdevice\n");
ofd_vdevice(m, d);
printk("Add /aliases props\n");
ofd_aliases_props(m);
#endif
printk("Add /openprom props\n");
ofd_openprom_props(m);
printk("Add /options props\n");
ofd_options_props(m);
printk("Add /cpus props\n");
ofd_cpus_props(m, d);
printk("Add /chosen props\n");
ofd_chosen_props(m, cmdline);
printk("fix /memory props\n");
ofd_memory_props(m, d);
printk("fix /xen props\n");
ofd_xen_props(m, d, shared_info);
printk("Remove original /dart\n");
ofd_prune_path(m, "/dart");
printk("Remove original /rtas\n");
ofd_prune_path(m, "/rtas");
rtas_proxy_init(m);
#ifdef FIX_COMPAT
r = ofd_prop_add(m, n, "compatible", compat, sizeof (compat));
ASSERT( r > 0 );
#else
(void)compat;
#endif
did = d->domain_id;
r = ofd_prop_add(m, n, "ibm,partition-no", &did, sizeof(did));
ASSERT( r > 0 );
r = ofd_prop_add(m, n, "ibm,partition-name", d0, sizeof (d0));
ASSERT( r > 0 );
#ifdef DEBUG
ofd_walk(m, __func__, OFD_ROOT, ofd_dump_props, OFD_DUMP_ALL);
#endif
return ofd_size(m);
}