On 01/12/2018 09:55 AM, Marc-André Lureau wrote:
Hi
On Wed, Jan 10, 2018 at 7:35 PM, Stefan Berger
<stef...@linux.vnet.ibm.com> wrote:
}
static void tpm_tis_class_init(ObjectClass *klass, void *data)
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index 6d516c6..d9b7452 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -31,4 +31,10 @@
#define TPM2_START_METHOD_MMIO 6
+/*
+ * Physical Presence Interface
+ */
+#define TPM_PPI_ADDR_SIZE 0x100
+#define TPM_PPI_ADDR_BASE 0xffff0000
I tried to extend the memory size to be able to store per opcode flags
into this area to de-couple the ACPI code from the firmware code as far
as possible. I ended up seeing crashes. The following comment is in SeaBIOS:
./src/fw/shadow.c:// On the emulators, the bios at 0xf0000 is also at
0xffff0000
Following this, I am moving this base address to 0xfffe_f000 and
extending it to 0x400 bytes. Besides that there will be a QEMU ACPI
table with OEM 'QEMU' and oem_table_id 'CONF' for which the firmware has
to look for. It holds the base address and the TPM version.
Stefan
