Merge pull request #81 from nekernel-org/dev

feat! breaking changes on kernel sources.

1 files changed, 71 insertions, 0 deletions

diff --git a/src/kernel/HALKit/ARM64/HalDebugOutput.cc b/src/kernel/HALKit/ARM64/HalDebugOutput.cc
new file mode 100644
index 00000000..c0da9c3a
--- /dev/null
+++ b/src/kernel/HALKit/ARM64/HalDebugOutput.cc
@@ -0,0 +1,71 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#include <ArchKit/ArchKit.h>
+#include <KernelKit/DebugOutput.h>
+#include <NeKit/New.h>
+#include <NeKit/Utils.h>
+
+namespace Kernel {
+EXTERN_C void ke_io_write(DeviceInterface<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(DeviceInterface<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() noexcept {
+  TerminalDevice out(Kernel::ke_io_write, Kernel::ke_io_read);
+  return out;
+}
+
+}  // namespace Kernel