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spapr: populate device tree depending on XIVE_EXPLOIT option

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When XIVE is supported, the device tree should be populated
accordingly and the XIVE memory regions mapped to activate MMIOs.

Depending on the design we choose, we could also allocate different
ICS and ICP objects, or switch between objects. This needs to be
discussed.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2017-07-05 19:13:15 +02:00 committed by David Gibson
parent f2b14e3a9f
commit b87680427e
1 changed files with 6 additions and 4 deletions
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10
hw/ppc/spapr.c
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@ -778,6 +778,11 @@ static int spapr_dt_cas_updates(sPAPRMachineState *spapr, void *fdt,
}
}
/* /interrupt controller */
if (!spapr_ovec_test(ov5_updates, OV5_XIVE_EXPLOIT)) {
spapr_dt_xics(xics_max_server_number(), fdt, PHANDLE_XICP);
}
offset = fdt_path_offset(fdt, "/chosen");
if (offset < 0) {
offset = fdt_add_subnode(fdt, 0, "chosen");
@ -801,7 +806,7 @@ int spapr_h_cas_compose_response(sPAPRMachineState *spapr,
size -= sizeof(hdr);
/* Create sceleton */
/* Create skeleton */
fdt_skel = g_malloc0(size);
_FDT((fdt_create(fdt_skel, size)));
_FDT((fdt_begin_node(fdt_skel, "")));
@ -1069,9 +1074,6 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr,
_FDT(fdt_setprop_cell(fdt, 0, "#address-cells", 2));
_FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2));
/* /interrupt controller */
spapr_dt_xics(xics_max_server_number(), fdt, PHANDLE_XICP);
ret = spapr_populate_memory(spapr, fdt);
if (ret < 0) {
error_report("couldn't setup memory nodes in fdt");