From 39f0a0bc0d05fd6da2731c883dde50a7d796ec82 Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <stepan@usatiuk.com>
Date: Tue, 9 Apr 2024 23:00:08 +0200
Subject: [PATCH] Basic testing infrastructure

---
 .idea/codeStyles/Project.xml                  | 141 ++++++++++++------
 .idea/editor.xml                              | 103 +++++++++++++
 CMakeLists.txt                                |   4 +
 ficus-toolchain/build-newlib.sh               |   2 +-
 .../newlib-4.4.0.20231231/.idea/workspace.xml | 136 ++++++++++++++++-
 src/CMakeLists.txt                            |  12 +-
 src/arch/x86/boot.cpp                         |   4 +-
 src/arch/x86/gdt.cpp                          |   4 +-
 src/arch/x86/idt.cpp                          |   4 +-
 src/arch/x86/kmain.cpp                        |   4 +-
 src/arch/x86/kmem.cpp                         |   2 +-
 src/arch/x86/limine_modules.cpp               |   2 +-
 src/arch/x86/memman.cpp                       |   4 +-
 src/arch/x86/misc.cpp                         |   5 +-
 src/arch/x86/{misc.hpp => misc.h}             |  11 +-
 src/arch/x86/paging.cpp                       |   4 +-
 src/arch/x86/serial.cpp                       |   5 +-
 src/arch/x86/{serial.hpp => serial.h}         |  10 +-
 src/arch/x86/syscalls.cpp                     |   4 +-
 src/arch/x86/task.cpp                         |   4 +-
 src/iso/limine.cfg                            |   2 +
 src/kernel/CMakeLists.txt                     |   1 +
 src/kernel/LockGuard.hpp                      |   2 +-
 src/kernel/Spinlock.hpp                       |   2 +-
 src/kernel/{templates => }/TestTemplates.cpp  |   2 +-
 src/kernel/{templates => }/TestTemplates.hpp  |   0
 src/kernel/VMA.cpp                            |   2 +-
 src/kernel/{asserts.hpp => assert.h}          |   4 +-
 src/kernel/asserts.cpp                        |   2 +-
 src/kernel/cppsupport.cpp                     |   4 +-
 src/kernel/mutex.cpp                          |   2 +-
 src/kernel/templates/CMakeLists.txt           |   8 +-
 src/kernel/templates/CircularBuffer.hpp       |   2 +-
 src/kernel/templates/List.hpp                 |   2 +-
 src/kernel/templates/PointersCollection.hpp   |   3 +-
 src/kernel/templates/SkipList.hpp             |   5 +-
 src/kernel/templates/String.hpp               |  18 +--
 src/kernel/templates/Vector.hpp               |  13 +-
 src/kernel/templates/stl/stl_alloc.h          |   4 +-
 src/kernel/templates/stl/stl_config.h         |   2 +-
 src/test/init.c                               |   2 +
 src/uapi/CMakeLists.txt                       |   2 +-
 src/unit-tests/CMakeLists.txt                 |  13 ++
 src/unit-tests/templates/CMakeLists.txt       |  12 ++
 src/unit-tests/templates/SkipListTest.cpp     |  69 +++++++++
 45 files changed, 529 insertions(+), 114 deletions(-)
 create mode 100644 .idea/editor.xml
 rename src/arch/x86/{misc.hpp => misc.h} (95%)
 rename src/arch/x86/{serial.hpp => serial.h} (80%)
 rename src/kernel/{templates => }/TestTemplates.cpp (99%)
 rename src/kernel/{templates => }/TestTemplates.hpp (100%)
 rename src/kernel/{asserts.hpp => assert.h} (89%)
 create mode 100644 src/unit-tests/CMakeLists.txt
 create mode 100644 src/unit-tests/templates/CMakeLists.txt
 create mode 100644 src/unit-tests/templates/SkipListTest.cpp

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index de855dd11..9d9682f88 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -6,48 +6,105 @@
         <fileSet type="globPattern" pattern="stl/*" />
       </list>
     </option>
-    <Objective-C-extensions>
-      <rules>
-        <rule entity="NAMESPACE" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="MACRO" visibility="ANY" specifier="ANY" prefix="" style="SCREAMING_SNAKE_CASE" suffix="" />
-        <rule entity="CLASS" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="STRUCT" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="ENUM" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="ENUMERATOR" visibility="ANY" specifier="ANY" prefix="" style="SCREAMING_SNAKE_CASE" suffix="" />
-        <rule entity="TYPEDEF" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="UNION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="STRUCT_MEMBER_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_VARIABLE" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="PARAMETER" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="LOCAL_VARIABLE" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FIELD,STRUCT_MEMBER_FIELD" visibility="PUBLIC" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FIELD,STRUCT_MEMBER_FIELD" visibility="PROTECTED,PRIVATE" specifier="ANY" prefix="_" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_VARIABLE" visibility="ANY" specifier="CONST" prefix="k" style="PASCAL_CASE" suffix="" />
-      </rules>
-    </Objective-C-extensions>
-    <Objective-C-extensions>
-      <rules>
-        <rule entity="NAMESPACE" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="MACRO" visibility="ANY" specifier="ANY" prefix="" style="SCREAMING_SNAKE_CASE" suffix="" />
-        <rule entity="CLASS" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="STRUCT" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="ENUM" visibility="ANY" specifier="ANY" prefix="" style="PASCAL_CASE" suffix="" />
-        <rule entity="ENUMERATOR" visibility="ANY" specifier="ANY" prefix="" style="SCREAMING_SNAKE_CASE" suffix="" />
-        <rule entity="TYPEDEF" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="UNION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="STRUCT_MEMBER_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_FUNCTION" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_VARIABLE" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="PARAMETER" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="LOCAL_VARIABLE" visibility="ANY" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FIELD,STRUCT_MEMBER_FIELD" visibility="PUBLIC" specifier="ANY" prefix="" style="SNAKE_CASE" suffix="" />
-        <rule entity="CLASS_MEMBER_FIELD,STRUCT_MEMBER_FIELD" visibility="PROTECTED,PRIVATE" specifier="ANY" prefix="_" style="SNAKE_CASE" suffix="" />
-        <rule entity="GLOBAL_VARIABLE" visibility="ANY" specifier="CONST" prefix="k" style="PASCAL_CASE" suffix="" />
-      </rules>
-    </Objective-C-extensions>
+    <RiderCodeStyleSettings>
+      <option name="/Default/CodeStyle/CodeFormatting/CppClangFormat/EnableClangFormatSupport/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_TERNARY/@EntryValue" value="ALIGN_ALL" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_CLASS_DEFINITION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_DECLARATIONS/@EntryValue" value="2" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_CODE/@EntryValue" value="2" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_COMMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INT_ALIGN_EQ/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SIMPLE_BLOCK_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_PARAMS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_SEMICOLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_SEMICOLON/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_UNARY_OPERATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_ARRAY_ACCESS_BRACKETS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_METHOD_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPECIAL_ELSE_IF_TREATMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_BINARY_OPSIGN/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_TERNARY_OPSIGNS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TYPE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/OTHER_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CASE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DECLARATION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DEFINITION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_WHILE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_ELSE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_CATCH_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_INDENTATION/@EntryValue" value="All" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_ARGUMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXTENDS_LIST/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_PARAMETER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_ARGUMENT/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_PARAMETER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_DECLARATIONS/@EntryValue" value="0" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_ACCESS_SPECIFIERS_FROM_CLASS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CLASS_MEMBERS_FROM_ACCESS_SPECIFIERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/LINE_BREAK_AFTER_COLON_IN_MEMBER_INITIALIZER_LISTS/@EntryValue" value="ON_SINGLE_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/MEMBER_INITIALIZER_LIST_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_NAMESPACE_DEFINITIONS_ON_SAME_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_COLON/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_METHOD/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_NESTED_DECLARATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_METHOD/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_METHOD/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_METHOD/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BETWEEN_CLOSING_ANGLE_BRACKETS_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_DECLARATION_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_BLOCKS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_RPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_ARGUMENTS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_PARAMETERS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/FREE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INVOCABLE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ANONYMOUS_METHOD_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INITIALIZER_BRACES/@EntryValue" value="END_OF_LINE_NO_SPACE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_STYLE/@EntryValue" value="Space" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_SIZE/@EntryValue" value="4" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CONTINUOUS_LINE_INDENT/@EntryValue" value="Double" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TAB_WIDTH/@EntryValue" value="4" type="int" />
+    </RiderCodeStyleSettings>
     <clangFormatSettings>
       <option name="ENABLED" value="true" />
     </clangFormatSettings>
diff --git a/.idea/editor.xml b/.idea/editor.xml
new file mode 100644
index 000000000..7642db2b5
--- /dev/null
+++ b/.idea/editor.xml
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="BackendCodeEditorSettings">
+    <option name="/Default/Housekeeping/GlobalSettingsUpgraded/IsUpgraded/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppClangFormat/EnableClangFormatSupport/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_TERNARY/@EntryValue" value="ALIGN_ALL" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_CLASS_DEFINITION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_DECLARATIONS/@EntryValue" value="2" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_CODE/@EntryValue" value="2" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_COMMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INT_ALIGN_EQ/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SIMPLE_BLOCK_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_PARAMS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_SEMICOLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_SEMICOLON/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_UNARY_OPERATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_ARRAY_ACCESS_BRACKETS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_METHOD_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPECIAL_ELSE_IF_TREATMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_BINARY_OPSIGN/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_TERNARY_OPSIGNS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TYPE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/OTHER_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CASE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DECLARATION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DEFINITION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_WHILE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_ELSE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_CATCH_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_INDENTATION/@EntryValue" value="All" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_ARGUMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXTENDS_LIST/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_PARAMETER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_ARGUMENT/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_PARAMETER/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_DECLARATIONS/@EntryValue" value="0" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_ACCESS_SPECIFIERS_FROM_CLASS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CLASS_MEMBERS_FROM_ACCESS_SPECIFIERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/LINE_BREAK_AFTER_COLON_IN_MEMBER_INITIALIZER_LISTS/@EntryValue" value="ON_SINGLE_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/MEMBER_INITIALIZER_LIST_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_NAMESPACE_DEFINITIONS_ON_SAME_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_COLON/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_METHOD/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_NESTED_DECLARATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_METHOD/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_METHOD/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_METHOD/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BETWEEN_CLOSING_ANGLE_BRACKETS_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_DECLARATION_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_BLOCKS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_RPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_ARGUMENTS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_PARAMETERS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/FREE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INVOCABLE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ANONYMOUS_METHOD_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INITIALIZER_BRACES/@EntryValue" value="END_OF_LINE_NO_SPACE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_STYLE/@EntryValue" value="Space" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_SIZE/@EntryValue" value="4" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CONTINUOUS_LINE_INDENT/@EntryValue" value="Double" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TAB_WIDTH/@EntryValue" value="4" type="int" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64d155541..dd89e5ef0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,4 +5,8 @@ project(ficus C CXX ASM_NASM)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_C_STANDARD 11)
 
+if (TEST_MODE)
+    enable_testing()
+endif ()
+
 add_subdirectory(./src/)
diff --git a/ficus-toolchain/build-newlib.sh b/ficus-toolchain/build-newlib.sh
index a34579058..0421dc7a3 100755
--- a/ficus-toolchain/build-newlib.sh
+++ b/ficus-toolchain/build-newlib.sh
@@ -14,7 +14,7 @@ cd newlib
 # rm -rf build
 mkdir -p build
 cd build
-../newlib-4.4.0.20231231/configure --enable-newlib-supplied-syscalls --prefix=/usr --target=$TARGET
+#../newlib-4.4.0.20231231/configure --enable-newlib-supplied-syscalls --prefix=/usr --target=$TARGET
 make -j$(nproc) all
 make DESTDIR="$FICUS_ROOT/sysroot" install
 cp -r "$FICUS_ROOT/sysroot/usr"/x86_64-ficus/* "$FICUS_ROOT/sysroot/usr"
diff --git a/ficus-toolchain/newlib/newlib-4.4.0.20231231/.idea/workspace.xml b/ficus-toolchain/newlib/newlib-4.4.0.20231231/.idea/workspace.xml
index 9657981e2..1e95f8be8 100644
--- a/ficus-toolchain/newlib/newlib-4.4.0.20231231/.idea/workspace.xml
+++ b/ficus-toolchain/newlib/newlib-4.4.0.20231231/.idea/workspace.xml
@@ -4143,8 +4143,51 @@
     </configurations>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="a1d64c97-d3a9-4bfe-95e2-d4c818bb425b" name="Changes" comment="we're not using libgloss anyway, disable it">
+    <list default="true" id="a1d64c97-d3a9-4bfe-95e2-d4c818bb425b" name="Changes" comment="more proper newlib setup">
+      <change afterPath="$PROJECT_DIR$/../../../.idea/editor.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../src/unit-tests/CMakeLists.txt" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../src/unit-tests/templates/CMakeLists.txt" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../src/unit-tests/templates/SkipListTest.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../.idea/codeStyles/Project.xml" beforeDir="false" afterPath="$PROJECT_DIR$/../../../.idea/codeStyles/Project.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../build-newlib.sh" beforeDir="false" afterPath="$PROJECT_DIR$/../../build-newlib.sh" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/CMakeLists.txt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/boot.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/boot.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/gdt.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/gdt.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/idt.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/idt.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/kmain.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/kmain.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/kmem.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/kmem.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/limine_modules.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/limine_modules.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/memman.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/memman.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/misc.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/misc.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/misc.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/misc.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/paging.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/paging.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/serial.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/serial.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/serial.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/serial.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/syscalls.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/syscalls.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/arch/x86/task.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/arch/x86/task.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/iso/limine.cfg" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/iso/limine.cfg" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/CMakeLists.txt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/LockGuard.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/LockGuard.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/Spinlock.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/Spinlock.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/VMA.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/VMA.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/asserts.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/asserts.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/asserts.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/assert.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/cppsupport.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/cppsupport.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/mutex.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/mutex.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/CMakeLists.txt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/CircularBuffer.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/CircularBuffer.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/List.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/List.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/PointersCollection.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/PointersCollection.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/SkipList.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/SkipList.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/String.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/String.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/TestTemplates.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/TestTemplates.cpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/TestTemplates.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/TestTemplates.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/Vector.hpp" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/Vector.hpp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/stl/stl_alloc.h" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/stl/stl_alloc.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/kernel/templates/stl/stl_config.h" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/kernel/templates/stl/stl_config.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/test/init.c" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/test/init.c" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../../src/uapi/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/../../../src/uapi/CMakeLists.txt" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -4162,6 +4205,54 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../../.." />
   </component>
+  <component name="HighlightingSettingsPerFile">
+    <setting file="file://$PROJECT_DIR$/newlib/libc/Makefile.inc" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/_syslist.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/dirent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/reent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/stdio.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/sys/_default_fcntl.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/include/sys/cdefs.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execl.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execle.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execlp.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execv.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execve.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/execvp.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/opendir.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/popen.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/posix_spawn.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/readdir.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/readdir_r.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/posix/sleep.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/reent/Makefile.inc" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/reent/closer.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/reent/linkr.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/reent/readr.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/stdio/getc_u.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/stdio/getdelim.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/stdlib/environ.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/stdlib/getenv_r.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/arm/Makefile.inc" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/arm/access.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/arm/sys/fcntl.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/ficus/crt0.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/ficus/sys/dirent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/ficus/syscalls.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/rtems/crt0.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/sys/rtems/include/sys/dirent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/unix/getcwd.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/newlib/libc/unix/getlogin.c" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/dirent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/_default_fcntl.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/cdefs.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/dirent.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/features.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/lock.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/syslimits.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/sys/unistd.h" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/../../../sysroot/usr/include/unistd.h" root0="FORCE_HIGHLIGHTING" />
+  </component>
   <component name="MakefileLocalSettings">
     <option name="toolchainName" value="Ficus" />
     <option name="availableProjects">
@@ -4206,6 +4297,7 @@
   <component name="PropertiesComponent">{
   &quot;keyToString&quot;: {
     &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.RadMigrateCodeStyle&quot;: &quot;true&quot;,
     &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
     &quot;RunOnceActivity.cidr.known.project.marker&quot;: &quot;true&quot;,
     &quot;RunOnceActivity.readMode.enableVisualFormatting&quot;: &quot;true&quot;,
@@ -4223,6 +4315,12 @@
     &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
 }</component>
+  <component name="RecentsManager">
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/newlib/libc/sys/ficus" />
+      <recent name="$PROJECT_DIR$/newlib/libc/sys/ficus/include" />
+    </key>
+  </component>
   <component name="RunManager" selected="Native Application.all">
     <configuration name="TAGS-bfd" type="CLionNativeAppRunConfigurationType" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="newlib-4.4.0.20231231" TARGET_NAME="TAGS-bfd" CONFIG_NAME="TAGS-bfd" version="1">
       <method v="2">
@@ -29023,6 +29121,18 @@
       <workItem from="1711915508976" duration="623000" />
       <workItem from="1711920939451" duration="9000" />
       <workItem from="1711920963007" duration="2000" />
+      <workItem from="1712315024911" duration="1731000" />
+      <workItem from="1712344519577" duration="399000" />
+      <workItem from="1712346585216" duration="1000" />
+      <workItem from="1712350566636" duration="871000" />
+      <workItem from="1712388119459" duration="2026000" />
+      <workItem from="1712411591824" duration="598000" />
+      <workItem from="1712426676821" duration="609000" />
+      <workItem from="1712431079475" duration="5000" />
+      <workItem from="1712515591568" duration="5087000" />
+      <workItem from="1712521110659" duration="2760000" />
+      <workItem from="1712689327895" duration="128000" />
+      <workItem from="1712691199435" duration="1903000" />
     </task>
     <task id="LOCAL-00001" summary="we're not using libgloss anyway, disable it">
       <option name="closed" value="true" />
@@ -29032,7 +29142,15 @@
       <option name="project" value="LOCAL" />
       <updated>1711798946101</updated>
     </task>
-    <option name="localTasksCounter" value="2" />
+    <task id="LOCAL-00002" summary="more proper newlib setup">
+      <option name="closed" value="true" />
+      <created>1712520216357</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1712520216357</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -29040,6 +29158,18 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="we're not using libgloss anyway, disable it" />
-    <option name="LAST_COMMIT_MESSAGE" value="we're not using libgloss anyway, disable it" />
+    <MESSAGE value="more proper newlib setup" />
+    <option name="LAST_COMMIT_MESSAGE" value="more proper newlib setup" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" type="com.jetbrains.cidr.execution.debugger.OCBreakpointType">
+          <url>file://$PROJECT_DIR$/newlib/libc/sys/ficus/syscalls.c</url>
+          <line>54</line>
+          <option name="timeStamp" value="2" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
   </component>
 </project>
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9f12b2b06..fa222616f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -34,6 +34,14 @@ add_subdirectory(./arch/)
 add_subdirectory(./kernel/)
 add_subdirectory(./uapi/)
 
-add_subdirectory(./test/)
 
-add_subdirectory(./iso/)
+if (TEST_MODE)
+    set_target_properties(kernel.elf PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
+    set_target_properties(syscalls_interface PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
+    add_subdirectory(./unit-tests/)
+endif ()
+
+if (NOT TEST_MODE)
+    add_subdirectory(./test/)
+    add_subdirectory(./iso/)
+endif ()
\ No newline at end of file
diff --git a/src/arch/x86/boot.cpp b/src/arch/x86/boot.cpp
index 03d2e44ec..31fdda3eb 100644
--- a/src/arch/x86/boot.cpp
+++ b/src/arch/x86/boot.cpp
@@ -2,7 +2,7 @@
 #include <cstdint>
 #include <new>
 
-#include "asserts.hpp"
+#include "assert.h"
 #include "gdt.hpp"
 #include "globals.hpp"
 #include "idt.hpp"
@@ -12,7 +12,7 @@
 #include "limine_mm.hpp"
 #include "limine_modules.hpp"
 #include "memman.hpp"
-#include "misc.hpp"
+#include "misc.h"
 #include "paging.hpp"
 
 AddressSpace *BOOT_AddressSpace;
diff --git a/src/arch/x86/gdt.cpp b/src/arch/x86/gdt.cpp
index 2c81d1680..564b4537b 100644
--- a/src/arch/x86/gdt.cpp
+++ b/src/arch/x86/gdt.cpp
@@ -3,8 +3,8 @@
 //
 
 #include "gdt.hpp"
-#include "asserts.hpp"
-#include "misc.hpp"
+#include "assert.h"
+#include "misc.h"
 #include <cstddef>
 namespace Arch::GDT {
     static tss_entry_struct tss_entry;
diff --git a/src/arch/x86/idt.cpp b/src/arch/x86/idt.cpp
index 0b049ca63..82ec95994 100644
--- a/src/arch/x86/idt.cpp
+++ b/src/arch/x86/idt.cpp
@@ -1,9 +1,9 @@
 #include "idt.hpp"
 
-#include "asserts.hpp"
+#include "assert.h"
 #include "gdt.hpp"
 #include "io.hpp"
-#include "misc.hpp"
+#include "misc.h"
 #include "task.hpp"
 #include "task_arch.hpp"
 #include "timer.hpp"
diff --git a/src/arch/x86/kmain.cpp b/src/arch/x86/kmain.cpp
index 856393251..ed4bff8b6 100644
--- a/src/arch/x86/kmain.cpp
+++ b/src/arch/x86/kmain.cpp
@@ -17,13 +17,13 @@
 #include "VFSGlobals.hpp"
 #include "VFSTester.hpp"
 #include "VMA.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "globals.hpp"
 #include "kmem.hpp"
 #include "limine_fb.hpp"
 #include "limine_modules.hpp"
 #include "memman.hpp"
-#include "misc.hpp"
+#include "misc.h"
 #include "mutex.hpp"
 #include "rand.h"
 #include "syscalls.hpp"
diff --git a/src/arch/x86/kmem.cpp b/src/arch/x86/kmem.cpp
index 76da5f01e..16dfb03a7 100644
--- a/src/arch/x86/kmem.cpp
+++ b/src/arch/x86/kmem.cpp
@@ -2,7 +2,7 @@
 
 #include "LockGuard.hpp"
 #include "Spinlock.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "globals.hpp"
 #include "memman.hpp"
 #include "paging.hpp"
diff --git a/src/arch/x86/limine_modules.cpp b/src/arch/x86/limine_modules.cpp
index 799f9722e..f09396a41 100644
--- a/src/arch/x86/limine_modules.cpp
+++ b/src/arch/x86/limine_modules.cpp
@@ -4,7 +4,7 @@
 
 #include "limine_modules.hpp"
 
-#include "asserts.hpp"
+#include "assert.h"
 #include "globals.hpp"
 #include "paging.hpp"
 #include "string.h"
diff --git a/src/arch/x86/memman.cpp b/src/arch/x86/memman.cpp
index 9384acfdb..bf4acac92 100644
--- a/src/arch/x86/memman.cpp
+++ b/src/arch/x86/memman.cpp
@@ -5,8 +5,8 @@
 #include "memman.hpp"
 #include "LockGuard.hpp"
 #include "Spinlock.hpp"
-#include "asserts.hpp"
-#include "misc.hpp"
+#include "assert.h"
+#include "misc.h"
 #include "mutex.hpp"
 #include "paging.hpp"
 #include <stddef.h>
diff --git a/src/arch/x86/misc.cpp b/src/arch/x86/misc.cpp
index 818d1a211..595a9f826 100644
--- a/src/arch/x86/misc.cpp
+++ b/src/arch/x86/misc.cpp
@@ -1,8 +1,8 @@
 //
 // Created by Stepan Usatiuk on 13.08.2023.
 //
-
-extern "C" void _hcf() {
+extern "C" {
+void _hcf() {
     //    *(volatile char *) (0) = 42;
     while (1)
         asm volatile("cli; hlt");
@@ -39,4 +39,5 @@ char *itoa(int value, char *str, int base) {
         *ptr--   = tmp;
     }
     return rc;
+}
 }
\ No newline at end of file
diff --git a/src/arch/x86/misc.hpp b/src/arch/x86/misc.h
similarity index 95%
rename from src/arch/x86/misc.hpp
rename to src/arch/x86/misc.h
index b1c75c354..07a8a9373 100644
--- a/src/arch/x86/misc.hpp
+++ b/src/arch/x86/misc.h
@@ -2,9 +2,11 @@
 #define FICUS_MISC_H
 
 #include <stdint.h>
-
-extern "C" void _sse_setup();
-extern "C" void _hcf();
+#ifdef __cplusplus
+extern "C" {
+#endif
+void _sse_setup();
+void _hcf();
 
 #define barrier() __asm__ __volatile__("" :: \
                                                : "memory");
@@ -89,5 +91,8 @@ static inline uint64_t rdmsr(uint64_t msr) {
 }
 
 char *itoa(int value, char *str, int base);
+#ifdef __cplusplus
+}
+#endif
 
 #endif
\ No newline at end of file
diff --git a/src/arch/x86/paging.cpp b/src/arch/x86/paging.cpp
index 1660e6baa..32220d39f 100644
--- a/src/arch/x86/paging.cpp
+++ b/src/arch/x86/paging.cpp
@@ -4,10 +4,10 @@
 
 #include "paging.hpp"
 #include "LockGuard.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "limine.h"
 #include "memman.hpp"
-#include "misc.hpp"
+#include "misc.h"
 
 #include "FDT.hpp"
 
diff --git a/src/arch/x86/serial.cpp b/src/arch/x86/serial.cpp
index 243dd89ed..23af3deea 100644
--- a/src/arch/x86/serial.cpp
+++ b/src/arch/x86/serial.cpp
@@ -2,13 +2,13 @@
 // Created by Stepan Usatiuk on 12.08.2023.
 //
 
-#include "asserts.hpp"
+#include "assert.h"
 
 #include <stdint.h>
 
 #include "io.hpp"
 #include "task.hpp"
-
+extern "C" {
 #define PORT 0x3f8        // COM1
 
 int init_serial() {
@@ -71,3 +71,4 @@ void writestr(const char *a) {
 void writestr_no_yield(const char *a) {
     while (*a != '\0') write_serial_no_yield(*a++);
 }
+}
\ No newline at end of file
diff --git a/src/arch/x86/serial.hpp b/src/arch/x86/serial.h
similarity index 80%
rename from src/arch/x86/serial.hpp
rename to src/arch/x86/serial.h
index fd5326d8c..34c613572 100644
--- a/src/arch/x86/serial.hpp
+++ b/src/arch/x86/serial.h
@@ -5,8 +5,10 @@
 #ifndef FICUS_SERIAL_H
 #define FICUS_SERIAL_H
 
-#include "misc.hpp"
-
+#include "misc.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
 int  init_serial();
 
 int  serial_received();
@@ -17,5 +19,7 @@ void write_serial(char a);
 void writestr(const char *a);
 void write_serial_no_yield(char a);
 void writestr_no_yield(const char *a);
-
+#ifdef __cplusplus
+}
+#endif
 #endif //FICUS_SERIAL_H
diff --git a/src/arch/x86/syscalls.cpp b/src/arch/x86/syscalls.cpp
index c8b8854e8..a9206849d 100644
--- a/src/arch/x86/syscalls.cpp
+++ b/src/arch/x86/syscalls.cpp
@@ -11,9 +11,9 @@
 #include <cstdint>
 
 #include "TtyManager.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "gdt.hpp"
-#include "misc.hpp"
+#include "misc.h"
 
 #include "BytesFormatter.hpp"
 #include "ElfParser.hpp"
diff --git a/src/arch/x86/task.cpp b/src/arch/x86/task.cpp
index 9843c392c..9b5827bd5 100644
--- a/src/arch/x86/task.cpp
+++ b/src/arch/x86/task.cpp
@@ -8,12 +8,12 @@
 #include "Spinlock.hpp"
 #include "TtyManager.hpp"
 #include "VMA.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "cv.hpp"
 #include "gdt.hpp"
 #include "globals.hpp"
 #include "kmem.hpp"
-#include "misc.hpp"
+#include "misc.h"
 #include "mutex.hpp"
 #include "paging.hpp"
 #include "string.h"
diff --git a/src/iso/limine.cfg b/src/iso/limine.cfg
index bc6bcece7..d7e290a75 100644
--- a/src/iso/limine.cfg
+++ b/src/iso/limine.cfg
@@ -11,6 +11,7 @@ TIMEOUT=1
 
     MODULE_PATH=boot:///init
     MODULE_PATH=boot:///hello2
+    MODULE_PATH=boot:///psil
 
 # Same thing, but without KASLR.
 :ficus (KASLR off)
@@ -22,3 +23,4 @@ TIMEOUT=1
     KERNEL_PATH=boot:///ficus.elf
     MODULE_PATH=boot:///init
     MODULE_PATH=boot:///hello2
+    MODULE_PATH=boot:///psil
diff --git a/src/kernel/CMakeLists.txt b/src/kernel/CMakeLists.txt
index c4944a14c..0bbff2827 100644
--- a/src/kernel/CMakeLists.txt
+++ b/src/kernel/CMakeLists.txt
@@ -13,6 +13,7 @@ target_sources(kernel.elf PRIVATE
         cv.cpp
         BytesFormatter.cpp
         string.c
+        TestTemplates.cpp
 )
 
 add_subdirectory(templates)
diff --git a/src/kernel/LockGuard.hpp b/src/kernel/LockGuard.hpp
index da82e65b8..f272e1ddc 100644
--- a/src/kernel/LockGuard.hpp
+++ b/src/kernel/LockGuard.hpp
@@ -5,7 +5,7 @@
 #ifndef FICUS_LOCKGUARD_H
 #define FICUS_LOCKGUARD_H
 
-#include "asserts.hpp"
+#include "assert.h"
 
 template<typename T>
 class LockGuard {
diff --git a/src/kernel/Spinlock.hpp b/src/kernel/Spinlock.hpp
index 6928d9616..8371c0b15 100644
--- a/src/kernel/Spinlock.hpp
+++ b/src/kernel/Spinlock.hpp
@@ -5,7 +5,7 @@
 #ifndef FICUS_SPINLOCK_H
 #define FICUS_SPINLOCK_H
 
-#include "asserts.hpp"
+#include "assert.h"
 #include "task.hpp"
 #include <atomic>
 #include <cstdint>
diff --git a/src/kernel/templates/TestTemplates.cpp b/src/kernel/TestTemplates.cpp
similarity index 99%
rename from src/kernel/templates/TestTemplates.cpp
rename to src/kernel/TestTemplates.cpp
index a61fc890d..a2b5f60f7 100644
--- a/src/kernel/templates/TestTemplates.cpp
+++ b/src/kernel/TestTemplates.cpp
@@ -5,13 +5,13 @@
 #include "TestTemplates.hpp"
 
 
+#include "assert.h"
 #include "List.hpp"
 #include "PointersCollection.hpp"
 #include "SkipList.hpp"
 #include "SkipListSet.hpp"
 #include "String.hpp"
 #include "Vector.hpp"
-#include "asserts.hpp"
 
 #include "TtyManager.hpp"
 
diff --git a/src/kernel/templates/TestTemplates.hpp b/src/kernel/TestTemplates.hpp
similarity index 100%
rename from src/kernel/templates/TestTemplates.hpp
rename to src/kernel/TestTemplates.hpp
diff --git a/src/kernel/VMA.cpp b/src/kernel/VMA.cpp
index 963879247..d8af856ef 100644
--- a/src/kernel/VMA.cpp
+++ b/src/kernel/VMA.cpp
@@ -7,7 +7,7 @@
 #include <optional>
 
 #include "LockGuard.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "kmem.hpp"
 #include "memman.hpp"
 #include "paging.hpp"
diff --git a/src/kernel/asserts.hpp b/src/kernel/assert.h
similarity index 89%
rename from src/kernel/asserts.hpp
rename to src/kernel/assert.h
index 55530cdc8..3342f1c4e 100644
--- a/src/kernel/asserts.hpp
+++ b/src/kernel/assert.h
@@ -5,8 +5,8 @@
 #ifndef FICUS_ASSERTS_HPP
 #define FICUS_ASSERTS_HPP
 
-#include "misc.hpp"
-#include "serial.hpp"
+#include "misc.h"
+#include "serial.h"
 
 extern "C" {
 static inline void _assert2(int val, const char *msg) {
diff --git a/src/kernel/asserts.cpp b/src/kernel/asserts.cpp
index 6a1a56efb..3ad6ec53d 100644
--- a/src/kernel/asserts.cpp
+++ b/src/kernel/asserts.cpp
@@ -2,4 +2,4 @@
 // Created by Stepan Usatiuk on 26.10.2023.
 //
 
-#include "asserts.hpp"
+#include "assert.h"
diff --git a/src/kernel/cppsupport.cpp b/src/kernel/cppsupport.cpp
index 5665e4fdd..a3118185a 100644
--- a/src/kernel/cppsupport.cpp
+++ b/src/kernel/cppsupport.cpp
@@ -5,9 +5,9 @@
 #include <cstddef>
 #include <cstdint>
 
-#include "asserts.hpp"
+#include "assert.h"
 #include "kmem.hpp"
-#include "misc.hpp"
+#include "misc.h"
 
 #if UINT32_MAX == UINTPTR_MAX
 #define STACK_CHK_GUARD 0xb079a218
diff --git a/src/kernel/mutex.cpp b/src/kernel/mutex.cpp
index 228aedd3f..ee58fe398 100644
--- a/src/kernel/mutex.cpp
+++ b/src/kernel/mutex.cpp
@@ -4,7 +4,7 @@
 
 #include "mutex.hpp"
 #include "LockGuard.hpp"
-#include "asserts.hpp"
+#include "assert.h"
 #include "task.hpp"
 #include "timer.hpp"
 
diff --git a/src/kernel/templates/CMakeLists.txt b/src/kernel/templates/CMakeLists.txt
index 1e245740f..9b9768e5b 100644
--- a/src/kernel/templates/CMakeLists.txt
+++ b/src/kernel/templates/CMakeLists.txt
@@ -1,5 +1,9 @@
-target_include_directories(kernel.elf PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 
-target_sources(kernel.elf PRIVATE TestTemplates.cpp)
+add_library(templates
+        INTERFACE
+)
+target_include_directories(templates INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_link_libraries(kernel.elf PRIVATE templates)
 
 add_subdirectory(stl)
\ No newline at end of file
diff --git a/src/kernel/templates/CircularBuffer.hpp b/src/kernel/templates/CircularBuffer.hpp
index 7d1f769a0..67da563a4 100644
--- a/src/kernel/templates/CircularBuffer.hpp
+++ b/src/kernel/templates/CircularBuffer.hpp
@@ -5,7 +5,7 @@
 #ifndef FICUS_CIRCULARBUFFER_HPP
 #define FICUS_CIRCULARBUFFER_HPP
 
-#include "asserts.hpp"
+#include "assert.h"
 
 // FIXME
 template<typename T, auto S>
diff --git a/src/kernel/templates/List.hpp b/src/kernel/templates/List.hpp
index 861b1788d..9ecacc01a 100644
--- a/src/kernel/templates/List.hpp
+++ b/src/kernel/templates/List.hpp
@@ -9,7 +9,7 @@
 #include <cstdint>
 #include <utility>
 
-#include "asserts.hpp"
+#include "assert.h"
 
 template<typename T>
 class List {
diff --git a/src/kernel/templates/PointersCollection.hpp b/src/kernel/templates/PointersCollection.hpp
index 2fcd4b59a..b81981303 100644
--- a/src/kernel/templates/PointersCollection.hpp
+++ b/src/kernel/templates/PointersCollection.hpp
@@ -5,8 +5,7 @@
 #include <optional>
 #include <utility>
 
-#include "asserts.hpp"
-#include "kmem.hpp"
+#include "assert.h"
 
 class SharedPtrTester;
 
diff --git a/src/kernel/templates/SkipList.hpp b/src/kernel/templates/SkipList.hpp
index 945f1aee7..2223f64af 100644
--- a/src/kernel/templates/SkipList.hpp
+++ b/src/kernel/templates/SkipList.hpp
@@ -6,8 +6,9 @@
 #include <type_traits>
 #include <utility>
 
-#include "asserts.hpp"
-#include "rand.h"
+#include "assert.h"
+
+extern "C" int  rand(void);
 
 template<typename K, typename V>
 class SkipList {
diff --git a/src/kernel/templates/String.hpp b/src/kernel/templates/String.hpp
index a71746c7b..405836ca2 100644
--- a/src/kernel/templates/String.hpp
+++ b/src/kernel/templates/String.hpp
@@ -4,14 +4,14 @@
 #include <cstdlib>
 #include <utility>
 
-#include "asserts.hpp"
-#include "kmem.hpp"
+#include "assert.h"
+#include "stdlib.h"
 #include "string.h"
 
 class String {
 public:
     String() noexcept {
-        _data    = static_cast<char *>(kmalloc(1 * sizeof(char)));
+        _data    = static_cast<char *>(malloc(1 * sizeof(char)));
         curLen   = 0;
         _data[0] = '\0';
     }
@@ -19,7 +19,7 @@ public:
     String(const char *in) noexcept {
         curLen   = strlen(in);
 
-        _data    = static_cast<char *>(kmalloc((curLen + 1) * sizeof(char)));
+        _data    = static_cast<char *>(malloc((curLen + 1) * sizeof(char)));
         _data[0] = '\0';
 
         strcat(_data, in);
@@ -28,7 +28,7 @@ public:
     String(String const &str) noexcept {
         curLen   = str.curLen;
 
-        _data    = static_cast<char *>(kmalloc((curLen + 1) * sizeof(char)));
+        _data    = static_cast<char *>(malloc((curLen + 1) * sizeof(char)));
         _data[0] = '\0';
 
         strcat(_data, str._data);
@@ -38,7 +38,7 @@ public:
         _data        = str._data;
         curLen       = str.curLen;
 
-        str._data    = static_cast<char *>(kmalloc(1 * sizeof(char)));
+        str._data    = static_cast<char *>(malloc(1 * sizeof(char)));
         str.curLen   = 0;
         str._data[0] = '\0';
     }
@@ -51,13 +51,13 @@ public:
 
     ~String() noexcept {
         if (_data == nullptr) return;
-        kfree(_data);
+        free(_data);
         _data  = nullptr;
         curLen = 0;
     }
 
     String &operator+=(String const &rhs) {
-        _data = static_cast<char *>(krealloc(_data, sizeof(char) * (curLen + rhs.curLen + 1)));
+        _data = static_cast<char *>(realloc(_data, sizeof(char) * (curLen + rhs.curLen + 1)));
         assert(_data != nullptr);
 
         strcat(_data, rhs._data);
@@ -84,7 +84,7 @@ public:
     }
 
     String &operator+=(char c) {
-        _data = static_cast<char *>(krealloc(_data, sizeof(char) * (curLen + 2)));
+        _data = static_cast<char *>(realloc(_data, sizeof(char) * (curLen + 2)));
         assert(_data != nullptr);
 
         _data[curLen]     = c;
diff --git a/src/kernel/templates/Vector.hpp b/src/kernel/templates/Vector.hpp
index 57bf8e357..465baf6de 100644
--- a/src/kernel/templates/Vector.hpp
+++ b/src/kernel/templates/Vector.hpp
@@ -3,8 +3,7 @@
 
 #include <new>
 
-#include "asserts.hpp"
-#include "kmem.hpp"
+#include "assert.h"
 #include "string.h"
 
 class VectorTester;
@@ -15,14 +14,14 @@ class Vector {
 
 public:
     Vector() noexcept {
-        data = static_cast<T *>(kmalloc(capacity * sizeof(T)));
+        data = static_cast<T *>(malloc(capacity * sizeof(T)));
     }
 
     Vector(std::initializer_list<T> l) noexcept {
         curSize  = l.size();
         capacity = curSize > 0 ? curSize : 2;
 
-        data     = static_cast<T *>(kmalloc(capacity * sizeof(T)));
+        data     = static_cast<T *>(malloc(capacity * sizeof(T)));
 
         size_t i = 0;
         for (auto const &el: l) {
@@ -34,7 +33,7 @@ public:
         curSize  = vec.curSize;
         capacity = curSize > 0 ? curSize : 2;
 
-        data     = static_cast<T *>(kmalloc(capacity * sizeof(T)));
+        data     = static_cast<T *>(malloc(capacity * sizeof(T)));
 
         for (size_t i = 0; i < curSize; i++)
             new (data + i) T(vec.data[i]);
@@ -67,14 +66,14 @@ public:
         if (capacity == curSize) {
             capacity *= 2;
             //Ugly hack to get around g++ warnings
-            data = (T *) krealloc(reinterpret_cast<char *>(data), capacity * sizeof(T));
+            data = (T *) realloc(reinterpret_cast<char *>(data), capacity * sizeof(T));
             assert(data != nullptr);
         }
         new (data + (curSize++)) T(std::forward<Args>(args)...);
     }
 
     void compact() {
-        data     = (T *) krealloc(reinterpret_cast<char *>(data), curSize * sizeof(T));
+        data     = (T *) realloc(reinterpret_cast<char *>(data), curSize * sizeof(T));
         capacity = curSize;
     }
 
diff --git a/src/kernel/templates/stl/stl_alloc.h b/src/kernel/templates/stl/stl_alloc.h
index 6083ef31a..2bf8a9e7c 100644
--- a/src/kernel/templates/stl/stl_alloc.h
+++ b/src/kernel/templates/stl/stl_alloc.h
@@ -42,7 +42,7 @@
 #  if defined(__STL_NO_BAD_ALLOC) || !defined(__STL_USE_EXCEPTIONS)
 //#    include <stdio.h>
 //#    include <stdlib.h>
-#include "asserts.hpp"
+#include "assert.h"
 #    define __THROW_BAD_ALLOC assert2(false,"out of memory");
 #  else /* Standard conforming out-of-memory handling */
 #    include <new>
@@ -53,7 +53,7 @@
 #include "stddef.h"
 #include "stdlib.h"
 #include "string.h"
-#include "asserts.hpp"
+#include "assert.h"
 #ifndef __RESTRICT
 #  define __RESTRICT
 #endif
diff --git a/src/kernel/templates/stl/stl_config.h b/src/kernel/templates/stl/stl_config.h
index e64f709ca..fd9f058e4 100644
--- a/src/kernel/templates/stl/stl_config.h
+++ b/src/kernel/templates/stl/stl_config.h
@@ -573,7 +573,7 @@
 #define __STL_ASSERTIONS
 
 #ifdef __STL_ASSERTIONS
-# include <asserts.hpp>
+# include <assert.h>
 # define __stl_assert(expr) assert2(expr, "STL Assert fail") ;
 //    if (!(expr)) { fprintf(stderr, "%s:%d STL assertion failure: %s\n", \
 //			  __FILE__, __LINE__, # expr); abort(); }
diff --git a/src/test/init.c b/src/test/init.c
index 5cc5b1bc2..dfc266a6d 100644
--- a/src/test/init.c
+++ b/src/test/init.c
@@ -7,6 +7,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <sys/wait.h>
 
 void ls() {
     DIR           *rfd = opendir("/");
@@ -44,6 +45,7 @@ int main() {
             print_tasks();
         } else {
             execve(line, 0, 0);
+            sleep(10000);
         }
     }
 }
\ No newline at end of file
diff --git a/src/uapi/CMakeLists.txt b/src/uapi/CMakeLists.txt
index ce2c42aec..6dabc564a 100644
--- a/src/uapi/CMakeLists.txt
+++ b/src/uapi/CMakeLists.txt
@@ -1,4 +1,4 @@
 add_library(syscalls_interface syscalls_interface.c)
 target_include_directories(syscalls_interface INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
 
-target_link_libraries(kernel.elf syscalls_interface)
\ No newline at end of file
+target_link_libraries(kernel.elf PRIVATE syscalls_interface)
\ No newline at end of file
diff --git a/src/unit-tests/CMakeLists.txt b/src/unit-tests/CMakeLists.txt
new file mode 100644
index 000000000..e03910caf
--- /dev/null
+++ b/src/unit-tests/CMakeLists.txt
@@ -0,0 +1,13 @@
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+include(FetchContent)
+FetchContent_Declare(
+        googletest
+        URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+add_subdirectory(templates)
\ No newline at end of file
diff --git a/src/unit-tests/templates/CMakeLists.txt b/src/unit-tests/templates/CMakeLists.txt
new file mode 100644
index 000000000..854920622
--- /dev/null
+++ b/src/unit-tests/templates/CMakeLists.txt
@@ -0,0 +1,12 @@
+add_executable(
+        SkipListTest
+        SkipListTest.cpp
+)
+target_link_libraries(
+        SkipListTest
+        templates
+        GTest::gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(SkipListTest DISCOVERY_TIMEOUT 600)
diff --git a/src/unit-tests/templates/SkipListTest.cpp b/src/unit-tests/templates/SkipListTest.cpp
new file mode 100644
index 000000000..fcf871980
--- /dev/null
+++ b/src/unit-tests/templates/SkipListTest.cpp
@@ -0,0 +1,69 @@
+#include <gtest/gtest.h>
+
+#include <SkipList.hpp>
+
+// FIXME
+char *itoa(int value, char *str, int base) {
+    char *rc;
+    char *ptr;
+    char *low;
+    // Check for supported base.
+    if (base < 2 || base > 36) {
+        *str = '\0';
+        return str;
+    }
+    rc = ptr = str;
+    // Set '-' for negative decimals.
+    if (value < 0 && base == 10) {
+        *ptr++ = '-';
+    }
+    // Remember where the numbers start.
+    low = ptr;
+    // The actual conversion.
+    do {
+        // Modulo is negative for negative value. This trick makes abs() unnecessary.
+        *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz"[35 + value % base];
+        value /= base;
+    } while (value);
+    // Terminating the string.
+    *ptr-- = '\0';
+    // Invert the numbers.
+    while (low < ptr) {
+        char tmp = *low;
+        *low++   = *ptr;
+        *ptr--   = tmp;
+    }
+    return rc;
+}
+
+#include <String.hpp>
+#include <string>
+
+using sl_test_list = testing::Types<String, std::string>;
+template<class>
+struct SkipListTestFixture : testing::Test {};
+TYPED_TEST_SUITE(SkipListTestFixture, sl_test_list);
+
+TYPED_TEST(SkipListTestFixture, PlaceAdd) {
+    SkipList<int, TypeParam> test1;
+
+    test1.add(5, "test5", false);
+    test1.add(999, "test999", false);
+    test1.add(5, "test5", false);
+    test1.add(1, "test1", false);
+    test1.add(999, "test999", false);
+
+    ASSERT_EQ(test1.find(5)->data, "test5");
+    ASSERT_EQ(test1.find(1)->data, "test1");
+    ASSERT_EQ(test1.find(999)->data, "test999");
+
+    test1.erase(1);
+    ASSERT_NE(test1.find(1)->data, "test1");
+    test1.add(87, "test87", false);
+    ASSERT_EQ(test1.find(87)->data, "test87");
+
+    auto p2 = test1.lower_bound_update(78);
+    ASSERT_EQ(p2->data, "test87");
+    test1.add(78, "test78", true);
+    ASSERT_EQ(test1.find(78)->data, "test78");
+}