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Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 299908cc73..0ae293ec94 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -890,10 +890,16 @@ static int spapr_dt_rng(void *fdt)
static void spapr_dt_rtas(SpaprMachineState *spapr, void *fdt)
{
MachineState *ms = MACHINE(spapr);
+ SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(ms);
int rtas;
GString *hypertas = g_string_sized_new(256);
GString *qemu_hypertas = g_string_sized_new(256);
- uint32_t refpoints[] = { cpu_to_be32(0x4), cpu_to_be32(0x4) };
+ uint32_t refpoints[] = {
+ cpu_to_be32(0x4),
+ cpu_to_be32(0x4),
+ cpu_to_be32(0x2),
+ };
+ uint32_t nr_refpoints = ARRAY_SIZE(refpoints);
uint64_t max_device_addr = MACHINE(spapr)->device_memory->base +
memory_region_size(&MACHINE(spapr)->device_memory->mr);
uint32_t lrdr_capacity[] = {
@@ -945,8 +951,12 @@ static void spapr_dt_rtas(SpaprMachineState *spapr, void *fdt)
qemu_hypertas->str, qemu_hypertas->len));
g_string_free(qemu_hypertas, TRUE);
+ if (smc->pre_5_1_assoc_refpoints) {
+ nr_refpoints = 2;
+ }
+
_FDT(fdt_setprop(fdt, rtas, "ibm,associativity-reference-points",
- refpoints, sizeof(refpoints)));
+ refpoints, nr_refpoints * sizeof(refpoints[0])));
_FDT(fdt_setprop(fdt, rtas, "ibm,max-associativity-domains",
maxdomains, sizeof(maxdomains)));
@@ -4584,9 +4594,16 @@ DEFINE_SPAPR_MACHINE(5_1, "5.1", true);
*/
static void spapr_machine_5_0_class_options(MachineClass *mc)
{
+ SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
+ static GlobalProperty compat[] = {
+ { TYPE_SPAPR_PCI_HOST_BRIDGE, "pre-5.1-associativity", "on" },
+ };
+
spapr_machine_5_1_class_options(mc);
compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len);
+ compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
mc->numa_mem_supported = true;
+ smc->pre_5_1_assoc_refpoints = true;
}
DEFINE_SPAPR_MACHINE(5_0, "5.0", false);