From 7db0a31cc5ba22a86f26bd9108d7120ff33f0043 Mon Sep 17 00:00:00 2001
From: Maxim Poliakovski <maximumspatium@googlemail.com>
Date: Sun, 17 Jul 2022 12:52:12 +0200
Subject: [PATCH] nvram: self-registration with the device registry.

---
 devices/common/nvram.cpp | 7 +++++++
 devices/common/nvram.h   | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/devices/common/nvram.cpp b/devices/common/nvram.cpp
index 751e733..648adbb 100644
--- a/devices/common/nvram.cpp
+++ b/devices/common/nvram.cpp
@@ -21,6 +21,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <devices/common/hwcomponent.h>
 #include <devices/common/nvram.h>
+#include <devices/deviceregistry.h>
 
 #include <cinttypes>
 #include <cstring>
@@ -93,3 +94,9 @@ void NVram::save() {
 
     f.close();
 }
+
+static const DeviceDescription Nvram_Descriptor = {
+    NVram::create, {}, {}
+};
+
+REGISTER_DEVICE(NVRAM, Nvram_Descriptor);
diff --git a/devices/common/nvram.h b/devices/common/nvram.h
index 8f9f60f..d3e19bd 100644
--- a/devices/common/nvram.h
+++ b/devices/common/nvram.h
@@ -25,6 +25,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <devices/common/hwcomponent.h>
 
 #include <cinttypes>
+#include <memory>
 #include <string>
 
 /** @file Non-volatile RAM emulation.
@@ -38,6 +39,10 @@ public:
     NVram(std::string file_name = "nvram.bin", uint32_t ram_size = 8192);
     ~NVram();
 
+    static std::unique_ptr<HWComponent> create() {
+        return std::unique_ptr<NVram>(new NVram());
+    }
+
     uint8_t read_byte(uint32_t offset);
     void write_byte(uint32_t offset, uint8_t value);