From 6173a782f24633b97f35c6e47e992ebf547657b5 Mon Sep 17 00:00:00 2001
From: Maxim Poliakovski <maximumspatium@googlemail.com>
Date: Wed, 7 Dec 2022 23:36:56 +0100
Subject: [PATCH] Implement ATA hard disk stub.

---
 devices/common/ata/atabasedevice.h |  2 +-
 devices/common/ata/atahd.cpp       | 35 +++++++++++++++++++++++++++
 devices/common/ata/atahd.h         | 38 ++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 devices/common/ata/atahd.cpp
 create mode 100644 devices/common/ata/atahd.h

diff --git a/devices/common/ata/atabasedevice.h b/devices/common/ata/atabasedevice.h
index 0da84ff..1e43779 100644
--- a/devices/common/ata/atabasedevice.h
+++ b/devices/common/ata/atabasedevice.h
@@ -40,7 +40,7 @@ public:
 
     virtual int perform_command() = 0;
 
-private:
+protected:
     uint8_t regs[33] = {};
 };
 
diff --git a/devices/common/ata/atahd.cpp b/devices/common/ata/atahd.cpp
new file mode 100644
index 0000000..88bf510
--- /dev/null
+++ b/devices/common/ata/atahd.cpp
@@ -0,0 +1,35 @@
+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-22 divingkatae and maximum
+                      (theweirdo)     spatium
+
+(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+/** @file ATA hard disk emulation. */
+
+#include <devices/common/ata/atahd.h>
+#include <loguru.hpp>
+
+AtaHardDisk::AtaHardDisk() : AtaBaseDevice("ATA-HD")
+{
+}
+
+int AtaHardDisk::perform_command()
+{
+    LOG_F(INFO, "%s: command 0x%x requested", this->name.c_str(), regs[IDE_Reg::COMMAND]);
+    return -1;
+}
diff --git a/devices/common/ata/atahd.h b/devices/common/ata/atahd.h
new file mode 100644
index 0000000..c6319f2
--- /dev/null
+++ b/devices/common/ata/atahd.h
@@ -0,0 +1,38 @@
+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-22 divingkatae and maximum
+                      (theweirdo)     spatium
+
+(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+/** @file TA hard disk definitions. */
+
+#ifndef ATA_HARD_DISK_H
+#define ATA_HARD_DISK_H
+
+#include <devices/common/ata/atabasedevice.h>
+
+class AtaHardDisk : public AtaBaseDevice
+{
+public:
+    AtaHardDisk();
+    ~AtaHardDisk() = default;
+
+    int perform_command();
+};
+
+#endif // ATA_HARD_DISK_H