On 10/19/2015 01:16 AM, Michael S. Tsirkin wrote:
On Mon, Oct 19, 2015 at 08:54:13AM +0800, Xiao Guangrong wrote:Check if the input Arg3 is valid then store it into dsm_in if needed Signed-off-by: Xiao Guangrong <guangrong.x...@linux.intel.com> --- hw/acpi/nvdimm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 7e99889..b211b8b 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -624,10 +624,29 @@ static void nvdimm_build_acpi_devices(NVDIMMState *state, GSList *device_list, method = aml_method_serialized("NCAL", 4); { + Aml *ifctx; + aml_append(method, aml_store(aml_arg(0), aml_name("HDLE"))); aml_append(method, aml_store(aml_arg(1), aml_name("REVS"))); aml_append(method, aml_store(aml_arg(2), aml_name("FUNC"))); + /* Arg3 is passed as Package and it has one element? */ + ifctx = aml_if(aml_and(aml_equal(aml_object_type(aml_arg(3)), + aml_int(4)), + aml_equal(aml_sizeof(aml_arg(3)), + aml_int(1)))); + { + /* Local0 = Index(Arg3, 0) */ + aml_append(ifctx, aml_store(aml_index(aml_arg(3), aml_int(0)), + aml_local(0))); + /* Local3 = DeRefOf(Local0) */ + aml_append(ifctx, aml_store(aml_derefof(aml_local(0)), + aml_local(3))); + /* ARG3 = Local3 */ + aml_append(ifctx, aml_store(aml_local(3), aml_name("ARG3"))); + } + aml_append(method, ifctx); + aml_append(method, aml_store(aml_int(NOTIFY_VALUE), aml_name("NOTI"))); aml_append(method, aml_store(aml_name("RLEN"), aml_local(6)));I commented on this patch on v3. It doesn't look like this was addressed.
Ah... I see no one commented this patch ([PATCH v3 26/32] nvdimm: save arg3 for NVDIMM device _DSM method) on v3. Do you mean we need more and better comment to explain arg3? Or anything else?
