On 5/8/20 11:25 AM, Ard Biesheuvel wrote:
On Fri, 8 May 2020 at 17:24, Shannon Zhao <shannon.zha...@gmail.com> wrote:
Hi,

On 2020/5/5 22:44, Eric Auger wrote:
+static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
+{
+    hwaddr pbus_base = vms->memmap[VIRT_PLATFORM_BUS].base;
+    PlatformBusDevice *pbus = PLATFORM_BUS_DEVICE(vms->platform_bus_dev);
+    MemoryRegion *sbdev_mr;
+    SysBusDevice *sbdev;
+    hwaddr tpm_base;
+
+    sbdev = (SysBusDevice *)object_dynamic_cast(OBJECT(tpm_find()),
+                                                TYPE_SYS_BUS_DEVICE);
Does it need to check the tpm version like you do in previous patch?

tpm_get_version(tpm_find()) == TPM_VERSION_2_0

I don't think so. The device node could in theory be used to describe
a TPM 1.2/1.3 as well, even though we never actually do that.

There is no TPM 1.3. There may be a TIS v1.3.


Reply via email to