From f0acad6f3206079d804b2f59aace0dc32dbeb6dc Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Thu, 19 Feb 2026 08:14:48 +0100
Subject: kernel: lots of tweaks and improvements, WIP: ASN, FileMgr support
 for OpenHeFS.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 src/kernel/HALKit/ARM64/HalDebugOutput.cpp | 69 ++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/kernel/HALKit/ARM64/HalDebugOutput.cpp

(limited to 'src/kernel/HALKit/ARM64/HalDebugOutput.cpp')

diff --git a/src/kernel/HALKit/ARM64/HalDebugOutput.cpp b/src/kernel/HALKit/ARM64/HalDebugOutput.cpp
new file mode 100644
index 00000000..4e47d38e
--- /dev/null
+++ b/src/kernel/HALKit/ARM64/HalDebugOutput.cpp
@@ -0,0 +1,69 @@
+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/nekernel-org/nekernel
+
+#include <ArchKit/ArchKit.h>
+#include <KernelKit/DebugOutput.h>
+#include <NeKit/New.h>
+#include <NeKit/Utils.h>
+
+namespace Kernel {
+EXTERN_C void ke_io_write(IDevice<const Char*>* self, const Char* bytes) {
+#ifdef __DEBUG__
+  if (*bytes == 0) return;
+
+  SizeT index = 0;
+  SizeT len   = 0;
+
+  index = 0;
+  len   = rt_string_len(bytes, 256U);
+
+  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(IDevice<const Char*>* self, 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() {
+  TerminalDevice out(Kernel::ke_io_write, Kernel::ke_io_read);
+  return out;
+}
+
+}  // namespace Kernel
-- 
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