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authorAlexey Kardashevskiy <aik@ozlabs.ru>2013-09-27 18:11:51 +1000
committerAlexander Graf <agraf@suse.de>2013-10-25 23:25:46 +0200
commitdcb861cb883e9e6d236514a4d0b4def4db736d13 (patch)
treebdaacee26a6231ac9fc7544cc66c7b111f133cb3 /hw/ppc/spapr.c
parent3bf6eedd4b6ee5cb7be53aa962583a24293d3441 (diff)
spapr: Add ibm, purr property on power7 and newer
PAPR+ says that no "ibm,purr" tells the guest that H_PURR is not supported. However some guests still try calling H_PURR on POWER7 unless the property is present and equal to 0. This adds the property for CPUs supporting the PURR special register. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 6322c986c0..259df92092 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -422,6 +422,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s",
gservers_prop, sizeof(gservers_prop))));
+ if (env->spr_cb[SPR_PURR].oea_read) {
+ _FDT((fdt_property(fdt, "ibm,purr", NULL, 0)));
+ }
+
if (env->mmu_model & POWERPC_MMU_1TSEG) {
_FDT((fdt_property(fdt, "ibm,processor-segment-sizes",
segs, sizeof(segs))));