debugged boot.asm

.gitignore

@@ -65,3 +65,9 @@ CMakeLists.txt
 .github/
 
 *.patch
+
+/build
+build
+./build
+build/
+build/**

CMakeLists.txt

@@ -1,11 +1,18 @@
-cmake_minimum_required(VERSION 3.13.4)
+cmake_minimum_required(VERSION 4.0.0)
+project(ClassicOS VERSION 0.0.1 LANGUAGES C ASM SH)
 
-# Enable C, Assembly, and Shell scripting languages
+set(CMAKE_C_COMPILER "gcc")
-enable_language(C ASM SH)
+set(CMAKE_CXX_COMPILER "g++")
-
+set(CMAKE_ASM_COMPilER "nasm")
-# Set up the project name and version
+set(cmake_SH_COMPILER "bash")
-set(PROJECT_NAME "ClassicOS")
+set(CMAKE_BUILD_TYPE "Debug")
-set(PROJECT_VERSION "0.0.1")
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS OFF)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_C_FLAGS "-Wall -Wextra -pedantic -Werror")
 
 # Define the executable name
 set(EXECUTABLE_NAME "${PROJECT_NAME}")

boot.asm

@@ -1,4 +1,4 @@
-section .boot
+section .boot align=512
 bits 16
 global boot
 boot:
@@ -70,11 +70,11 @@ disk:
 CODE_SEG equ gdt_code - gdt_start
 DATA_SEG equ gdt_data - gdt_start
 
+copy_target equ kernel_stack_bottom + 16384
+hello: db "Hello more than 512 bytes world!!",0
+
 times 510 - ($-$$) db 0
 dw 0xaa55
-copy_target:
-bits 32
-	hello: db "Hello more than 512 bytes world!!",0
 boot2:
 	mov esi,hello
 	mov ebx,0xb8000
@@ -97,4 +97,4 @@ section .bss
 align 4
 kernel_stack_bottom: equ $
 	resb 16384 ; 16 KB
-kernel_stack_top:
+kernel_stack_top: equ kernel_stack_bottom + 16384