Kernel/.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+  CompilationDatabase: ../.build/temp/Kernel

Kernel/CMakeLists.txt

@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 project(ksOSKernel LANGUAGES ASM C)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 file(GLOB_RECURSE KERNEL_SOURCES CMAKE_CONFIGURE_DEPENDS 
     ${CMAKE_CURRENT_SOURCE_DIR}/Source/KernelMain.c

Kernel/Include/types.h

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKarinyash
+
+#pragma once
+
+typedef unsigned char      UInt8;
+typedef unsigned short     UInt16;
+typedef unsigned int       UInt32;
+typedef unsigned long long UInt64; 
+
+typedef signed char        Int8;
+typedef signed short       Int16;
+typedef signed int         Int32;
+typedef signed long long   Int64;
+
+typedef UInt64 Size;
+
+

Kernel/Source/KernelMain.c

@@ -1,3 +1,5 @@
+#include "types.h"
+
 void KernelMain(void) {
-    
+    volatile UInt64 meow = 0x12345;
 }

Kernel/cmake/aarch64-bare.cmake

@@ -3,25 +3,35 @@ set(CMAKE_SYSTEM_PROCESSOR aarch64)
 set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 
 if(NOT LLVM_BIN)
-    if(APPLE)
+    find_program(_CLANG
+        NAMES clang
+        HINTS
+            /opt/homebrew/opt/llvm/bin
+            /usr/local/opt/llvm/bin
+    )
+
+    if(NOT _CLANG AND APPLE)
         execute_process(
             COMMAND brew --prefix llvm
             OUTPUT_VARIABLE LLVM_PREFIX
             OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_QUIET
+            RESULT_VARIABLE BREW_PREFIX_RESULT
         )
-        set(LLVM_BIN "${LLVM_PREFIX}/bin")
+        if(BREW_PREFIX_RESULT EQUAL 0 AND EXISTS "${LLVM_PREFIX}/bin/clang")
-    else()
+            set(_CLANG "${LLVM_PREFIX}/bin/clang")
-        find_program(_CLANG clang)
-        if(NOT _CLANG)
-            message(FATAL_ERROR "clang not found.")
         endif()
-        get_filename_component(LLVM_BIN "${_CLANG}" DIRECTORY)
     endif()
+
+    if(NOT _CLANG)
+        message(FATAL_ERROR "clang not found. Set LLVM_BIN or add clang to PATH.")
+    endif()
+
+    get_filename_component(LLVM_BIN "${_CLANG}" DIRECTORY)
 endif()
 
 set(CMAKE_C_COMPILER   "${LLVM_BIN}/clang")
 set(CMAKE_ASM_COMPILER "${LLVM_BIN}/clang")
-set(LLVM_OBJCOPY       "${LLVM_BIN}/llvm-objcopy")
 
 set(TARGET_TRIPLE aarch64-none-elf)
 set(CMAKE_C_COMPILER_TARGET   ${TARGET_TRIPLE})
@@ -29,10 +39,17 @@ set(CMAKE_ASM_COMPILER_TARGET ${TARGET_TRIPLE})
 
 if(APPLE)
     find_program(TERMOS_LD_LLD NAMES ld.lld HINTS /usr/local/bin /opt/homebrew/bin REQUIRED)
-    find_program(LLVM_OBJCOPY NAMES llvm-objcopy objcopy
-        HINTS /usr/local/opt/llvm/bin /opt/homebrew/opt/llvm/bin /usr/local/bin /opt/homebrew/bin
-        REQUIRED)
     set(CMAKE_C_LINK_FLAGS "")
     set(CMAKE_C_LINK_EXECUTABLE
         "${TERMOS_LD_LLD} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
 endif()
+
+find_program(LLVM_OBJCOPY NAMES llvm-objcopy objcopy
+    HINTS
+        "${LLVM_BIN}"
+        /usr/local/opt/llvm/bin
+        /opt/homebrew/opt/llvm/bin
+        /usr/local/bin
+        /opt/homebrew/bin
+    REQUIRED
+)

Kernel/justfile

@@ -6,7 +6,7 @@ build:
 
     cmake --build {{TEMP_DIR}}/Kernel
 
-    cp {{TEMP_DIR}}/Kernel/kernel.bin {{BUILD_DIR}}/Kernel/ksOSKernel.bin
+    cp {{TEMP_DIR}}/Kernel/Kernel.bin {{BUILD_DIR}}/Kernel/ksOSKernel.bin
     @echo "✅ Kernel ready at: {{BUILD_DIR}}/Kernel/ksOSKernel.bin"
 
 clean: