ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/dev/Kernel/HALKit/ARM64/HalDebugOutput.cc b/dev/Kernel/HALKit/ARM64/HalDebugOutput.cc
new file mode 100644
index 00000000..e2b2db88
--- /dev/null
+++ b/dev/Kernel/HALKit/ARM64/HalDebugOutput.cc
@@ -0,0 +1,83 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <ArchKit/ArchKit.h>
+#include <KernelKit/DebugOutput.h>
+#include <NewKit/Utils.h>
+#include <NewKit/New.h>
+
+namespace Kernel
+{
+	EXTERN_C void ke_io_write(const Char* bytes)
+	{
+#ifdef __DEBUG__
+		if (*bytes == 0)
+			return;
+
+		SizeT index = 0;
+		SizeT len	= 0;
+
+		index = 0;
+		len	  = rt_string_len(bytes, 255);
+
+		volatile UInt8* uart_ptr = (UInt8*)0x09000000;
+
+		while (index < len)
+		{
+			if (bytes[index] == '\r')
+				*uart_ptr = '\r';
+
+			*uart_ptr = bytes[index] == '\r' ? '\n' : bytes[index];
+			++index;
+		}
+#endif // __DEBUG__
+	}
+
+	TerminalDevice::~TerminalDevice() = default;
+
+	EXTERN_C void ke_io_read(const Char* bytes)
+	{
+#ifdef __DEBUG__
+		SizeT index = 0;
+
+		volatile UInt8* uart_ptr = (UInt8*)0x09000000;
+
+		///! TODO: Look on how to wait for the UART to complete.
+		while (Yes)
+		{
+			auto in = *uart_ptr;
+
+			///! If enter pressed then break.
+			if (in == 0xD)
+			{
+				break;
+			}
+
+			if (in < '0' || in < 'A' || in < 'a')
+			{
+				if (in != '@' || in != '!' || in != '?' || in != '.' || in != '/' ||
+					in != ':')
+				{
+					continue;
+				}
+			}
+
+			((char*)bytes)[index] = in;
+
+			++index;
+		}
+
+		((char*)bytes)[index] = 0;
+#endif // __DEBUG__
+	}
+
+	TerminalDevice TerminalDevice::The() noexcept
+	{
+		TerminalDevice out(Kernel::ke_io_write, Kernel::ke_io_read);
+		return out;
+	}
+
+} // namespace Kernel