From aa50b4980a84128fed32139758a00e215ee54a78 Mon Sep 17 00:00:00 2001
From: Amlal <amlal@nekernel.org>
Date: Tue, 29 Apr 2025 08:54:34 +0200
Subject: kernel: Figuring out the EPM header bug; where it gets duplicated
 when writing an IND. (HeFS)

Signed-off-by: Amlal <amlal@nekernel.org>
---
 dev/kernel/HALKit/AMD64/HalDebugOutput.cc       | 31 +++++++++++++++++++++----
 dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc |  1 +
 2 files changed, 28 insertions(+), 4 deletions(-)

(limited to 'dev/kernel/HALKit')

diff --git a/dev/kernel/HALKit/AMD64/HalDebugOutput.cc b/dev/kernel/HALKit/AMD64/HalDebugOutput.cc
index 9d290708..5d09f8b4 100644
--- a/dev/kernel/HALKit/AMD64/HalDebugOutput.cc
+++ b/dev/kernel/HALKit/AMD64/HalDebugOutput.cc
@@ -13,19 +13,19 @@
 
 namespace Kernel {
 enum CommStatus : UInt16 {
-  kStateInvalid,
+  kStateInvalid = 0x64,
   kStateReady    = 0xCF,
   kStateTransmit = 0xFC,
   kStateCnt      = 3
 };
 
 namespace Detail {
-  constexpr const UInt16 kPort  = 0x3F8;
-  static UInt16          kState = kStateInvalid;
+  constexpr ATTRIBUTE(unused) const UInt16 kPort  = 0x3F8;
+  STATIC ATTRIBUTE(unused) UInt16          kState = kStateInvalid;
 
   /// @brief Init COM1.
   /// @return
-  template <Int16 PORT>
+  template <UInt16 PORT>
   bool hal_serial_init() noexcept {
     if (kState == kStateReady || kState == kStateTransmit) return true;
 
@@ -58,6 +58,7 @@ namespace Detail {
 TerminalDevice::~TerminalDevice() = default;
 
 EXTERN_C void ke_io_write(IDeviceObject<const Char*>* obj, const Char* bytes) {
+  NE_UNUSED(bytes);
   NE_UNUSED(obj);
 
 #ifdef __DEBUG__
@@ -127,6 +128,8 @@ EXTERN_C void ke_io_write(IDeviceObject<const Char*>* obj, const Char* bytes) {
 }
 
 EXTERN_C void ke_io_read(IDeviceObject<const Char*>*, const Char* bytes) {
+  NE_UNUSED(bytes);
+
 #ifdef __DEBUG__
   Detail::hal_serial_init<Detail::kPort>();
 
@@ -167,4 +170,24 @@ TerminalDevice TerminalDevice::The() noexcept {
   return out;
 }
 
+Utf8TerminalDevice::~Utf8TerminalDevice() = default;
+
+STATIC Void ke_io_write_utf(IDeviceObject<const Utf8Char*>*, const Utf8Char* str) {
+  auto len = urt_string_len(str);
+
+  for (auto size = 0ul; size < len; ++size) {
+    Char buf[2];
+    buf[0] = str[size];
+    buf[1] = 0;
+
+    Kernel::ke_io_write(nullptr, buf);
+  }
+}
+
+Utf8TerminalDevice Utf8TerminalDevice::The() noexcept {
+  Utf8TerminalDevice out(Kernel::ke_io_write_utf,
+                         [](IDeviceObject<const Utf8Char*>*, const Utf8Char*) -> Void {});
+  return out;
+}
+
 }  // namespace Kernel
diff --git a/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc b/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc
index 4391bd40..b767e79c 100644
--- a/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc
+++ b/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc
@@ -146,6 +146,7 @@ STATIC Void drv_std_input_output_ahci(UInt64 lba, UInt8* buffer, SizeT sector_sz
 
   volatile HbaCmdHeader* command_header =
       (volatile HbaCmdHeader*) ((UInt64) kSATAHba->Ports[kSATAIndex].Clb);
+      
   command_header += slot;
 
   MUST_PASS(command_header);
-- 
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