From 5339d016c07bf717ee388f4feb73544087324af0 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Sat, 6 Jan 2024 09:14:11 +0100
Subject: git: port from mercurial repo.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 Source/Storage/ATA.cxx     | 99 ++++++++++++++++++++++++++++++++++++++++++++++
 Source/Storage/NVME.cxx    | 18 +++++++++
 Source/Storage/Storage.cxx | 12 ++++++
 3 files changed, 129 insertions(+)
 create mode 100644 Source/Storage/ATA.cxx
 create mode 100644 Source/Storage/NVME.cxx
 create mode 100644 Source/Storage/Storage.cxx

(limited to 'Source/Storage')

diff --git a/Source/Storage/ATA.cxx b/Source/Storage/ATA.cxx
new file mode 100644
index 00000000..5a53d78d
--- /dev/null
+++ b/Source/Storage/ATA.cxx
@@ -0,0 +1,99 @@
+/*
+ *	========================================================
+ *
+ *	hCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include <StorageKit/ATA.hpp>
+#include <ArchKit/Arch.hpp>
+
+//! @brief Driver for ATA, listens to a specific address for data to come.
+//! mapped by NewFirmware.
+
+#define kATAError 2
+
+namespace hCore
+{
+    Ref<PRDT*> kPrdt = nullptr;
+
+    bool set_prdt_struct(Ref<PRDT*>& refCtrl)
+    {
+        if (!kPrdt)
+        {
+            kPrdt = refCtrl;
+            kcout << "[set_prdt_struct] PRDT is set.";
+
+            return true;
+        }
+
+        kcout << "[set_prdt_struct] [WARNING] Tried to change PRDT.\n";
+        return false;
+    }
+
+    enum
+    {
+        k28BitRead = 0xC8,
+        k48BitRead = 0x25,
+        k28BitWrite = 0xCA,
+        k48BitWrite = 0x35,
+    };
+
+    const char* ata_read_28(ULong lba)
+    {
+        static char buffer[512];
+
+        UIntPtr* packet = (UIntPtr*)kPrdt.Leak()->PhysicalAddress();
+
+        packet[0] = k28BitRead;
+        packet[1] = (UIntPtr)&buffer;
+        packet[2] = lba;
+
+        rt_wait_for_io();
+
+        return buffer;
+    }
+
+    const char* ata_read_48(ULong lba)
+    {
+        static char buffer[512];
+
+        UIntPtr* packet = (UIntPtr*)kPrdt.Leak()->PhysicalAddress();
+
+        packet[0] = k48BitRead;
+        packet[1] = (UIntPtr)&buffer;
+        packet[4] = lba;
+
+        rt_wait_for_io();
+
+        return buffer;
+    }
+
+    Int32 ata_write_48(ULong lba, const char *text)
+    {
+         UIntPtr* packet = (UIntPtr*)kPrdt.Leak()->PhysicalAddress();
+
+        packet[0] = k48BitWrite;
+        packet[1] = (UIntPtr)&text;
+        packet[2] = lba;
+
+        rt_wait_for_io();
+
+        return packet[1] == 2 ? kATAError : 0;
+    }
+
+    Int32 ata_write_28(ULong lba, const char *text)
+    {
+        UIntPtr* packet = (UIntPtr*)kPrdt.Leak()->PhysicalAddress();
+
+        packet[0] = k28BitWrite;
+        packet[1] = (UIntPtr)&text;
+		packet[2] = lba;
+
+        rt_wait_for_io();
+
+        return packet[1] == 2 ? kATAError : 0;
+    }
+} // namespace hCore
diff --git a/Source/Storage/NVME.cxx b/Source/Storage/NVME.cxx
new file mode 100644
index 00000000..20fbd84d
--- /dev/null
+++ b/Source/Storage/NVME.cxx
@@ -0,0 +1,18 @@
+/*
+ *	========================================================
+ *
+ *	hCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include <StorageKit/NVME.hpp>
+
+namespace hCore
+{
+    const char *NVMEDevice::Name() const
+    {
+        return ("NVMEDevice");
+    }
+} // namespace hCore
diff --git a/Source/Storage/Storage.cxx b/Source/Storage/Storage.cxx
new file mode 100644
index 00000000..f6732599
--- /dev/null
+++ b/Source/Storage/Storage.cxx
@@ -0,0 +1,12 @@
+/*
+ *	========================================================
+ *
+ *	hCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include <StorageKit/Storage.hpp>
+
+const OSScsiPacket kCDRomPacketTemplate = {  0x43, 0, 1, 0, 0, 0, 0, 12, 0x40, 0, 0 };
-- 
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