1 files changed, 31 insertions, 0 deletions
diff --git a/hw/tpm/tpm_ppi.c b/hw/tpm/tpm_ppi.c
new file mode 100644
index 0000000000..cf17779c20
--- /dev/null
+++ b/hw/tpm/tpm_ppi.c
@@ -0,0 +1,31 @@
+/*
+ * tpm_ppi.c - TPM Physical Presence Interface
+ *
+ * Copyright (C) 2018 IBM Corporation
+ *
+ * Authors:
+ *  Stefan Berger <stefanb@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/error.h"
+#include "cpu.h"
+#include "sysemu/memory_mapping.h"
+#include "migration/vmstate.h"
+#include "tpm_ppi.h"
+
+void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
+                  hwaddr addr, Object *obj)
+{
+    tpmppi->buf = g_malloc0(HOST_PAGE_ALIGN(TPM_PPI_ADDR_SIZE));
+    memory_region_init_ram_device_ptr(&tpmppi->ram, obj, "tpm-ppi",
+                                      TPM_PPI_ADDR_SIZE, tpmppi->buf);
+    vmstate_register_ram(&tpmppi->ram, DEVICE(obj));
+
+    memory_region_add_subregion(m, addr, &tpmppi->ram);
+}