inital commit
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plane000
54
.vscode/tasks.json
vendored
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54
.vscode/tasks.json
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{
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// See https://go.microsoft.com/fwlink/?LinkId=733558
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// for the documentation about the tasks.json format
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"version": "2.0.0",
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"tasks": [
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{
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"label": "Build",
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"type": "shell",
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"command": "bash --login -c 'make'",
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"group": {
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"kind": "build",
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"isDefault": true
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},
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"problemMatcher": []
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},
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{
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"label": "Build (With ISO)",
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"type": "shell",
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"command": "bash --login -c 'make iso'",
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"group": {
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"kind": "test",
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"isDefault": true,
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},
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"problemMatcher": []
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},
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{
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"label": "Run",
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"type": "shell",
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"command": "&('C:/Program Files/qemu/qemu-system-i386') -kernel bin/ThanOS.bin -serial mon:stdio -drive id=disk,file=hda.img,if=none -device ahci,id=ahci -device ide-drive,drive=disk,bus=ahci.0",
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"group": {
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"kind": "test",
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"isDefault": true
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}
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},
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{
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"label": "Run (With ISO)",
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"type": "shell",
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"command": "&('C:/Program Files/qemu/qemu-system-i386') -cdrom bin/ThanOS.iso -serial mon:stdio -drive file=hda.img,format=raw",
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"group": {
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"kind": "test",
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"isDefault": true
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}
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},
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{
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"label": "Run in BOCHS (Rqrs. ISO)",
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"type": "shell",
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"command": "&('C:/Program Files (x86)/Bochs-2.6.9/bochsdbg.exe') -f bochsrc.bxrc -q",
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"group": {
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"kind": "test",
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"isDefault": true
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}
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}
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]
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}
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6
ISO/boot/grub/grub.cfg
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6
ISO/boot/grub/grub.cfg
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set timeout=0
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set default=0
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menuentry "UrMumOS" {
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multiboot /boot/kernel
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}
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BIN
ISO/boot/kernel
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BIN
ISO/boot/kernel
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Binary file not shown.
21
kernel.asm
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21
kernel.asm
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;;kernel.asm
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bits 32 ; tells nasm to use 32 bit
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section .text
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;multiboot spec
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align 4
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dd 0x1BADB002 ;magic
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dd 0x00 ;flags
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dd - (0x1BADB002 + 0x00) ;checksum. m+f+c should be zero
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global start
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extern kmain
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start:
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cli ; blocks interupts i think
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mov ESP, stack_space ; sets stack pointer
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call kmain ; calls kmain c++ function
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hlt ; halts CPU
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section .bss
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resb 8192 ; 8 kb stack
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stack_space:
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24
kernel.c
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24
kernel.c
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void kmain(void) {
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const char* str = "Your mother gay lol";
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char* videoMemoryPtr = (char*)0xb8000; // Video memory start
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unsigned int i = 0;
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unsigned int j = 0;
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while (j < 80 * 25 * 2) {
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videoMemoryPtr[j] = ' ';
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videoMemoryPtr[j+1] = 0x07;
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j += 2;
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}
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j = 0;
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while(str[j] != '\0') {
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videoMemoryPtr[i] = str[j];
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videoMemoryPtr[i+1] = 0x07;
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j++;
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i += 2;
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}
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return;
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}
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9
link.ld
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9
link.ld
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OUTPUT_FORMAT(elf32-i386)
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ENTRY(start)
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SECTIONS
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{
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. = 0x100000;
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.text : { *(.text) }
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.data : { *(.data) }
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.bss : { *(.bss) }
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}
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64
makefile
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64
makefile
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# CONFIGURATION
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DELETE = rm -f
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# DIRECTORIES
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SRC_DIR = ./
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LIB_DIR = ./libs
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SHELL_DIR = ./shell
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OBJ_DIR = ./obj
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INC_DIR = ./libs/includes
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# C++
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SRC_FILES = $(wildcard $(SRC_DIR)/*.cpp)
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LIB_FILES = $(wildcard $(LIB_DIR)/*.cpp)
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SHELL_FILES = $(wildcard $(SHELL_DIR)/*.cpp)
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CPP_OBJ = $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(SRC_FILES)) $(patsubst $(LIB_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(LIB_FILES)) $(patsubst $(SHELL_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(SHELL_FILES))
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# ASSEMBLY
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ASM_SRC = $(wildcard $(SRC_DIR)/*.asm)
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ASM_LIB = $(wildcard $(LIB_DIR)/*.asm)
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ASM_OBJ = $(patsubst $(SRC_DIR)/%.asm,$(OBJ_DIR)/%.o,$(ASM_SRC)) $(patsubst $(LIB_DIR)/%.asm,$(OBJ_DIR)/%.o,$(ASM_LIB))
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# COMPILER STUFF
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# unused: -Wall -Wextra
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GPP_CMD = i686-elf-g++
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GAS_CMD = i686-elf-as
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LDFLAGS = -T linker.ld -ffreestanding -O2 -nostdlib -lgcc -Wwrite-strings
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CPPFLAGS = -I $(INC_DIR) -ffreestanding -O2 -fno-rtti -Wno-write-strings -Wno-unused-variable -Wno-multichar -Wno-unused-parameter -Wno-overflow -Wno-narrowing -fno-exceptions
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CXXFLAGS =
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GASFLAGS =
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OBJ_FILES = $(CPP_OBJ) $(ASM_OBJ)
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OUTPUT = ./bin/MemeOS.bin
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ISO_OUTPUT = ./bin/MemeOS.iso
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all: $(OUTPUT)
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clean:
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$(DELETE) ./obj/*
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$(DELETE) ./bin/*
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iso: all
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cp $(OUTPUT) ./ISO/boot/MemeOS
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grub-mkrescue -o $(ISO_OUTPUT) ./ISO
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folders:
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mkdir -p ./bin
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mkdir -p ./obj
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$(OUTPUT): $(OBJ_FILES)
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$(GPP_CMD) $(LDFLAGS) -o $@ $^
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
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$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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$(OBJ_DIR)/%.o: $(LIB_DIR)/%.cpp
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$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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$(OBJ_DIR)/%.o: $(SHELL_DIR)/%.cpp
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$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.asm
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$(GAS_CMD) $(GASFLAGS) -o $@ $<
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$(OBJ_DIR)/%.o: $(LIB_DIR)/%.asm
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$(GAS_CMD) $(GASFLAGS) -o $@ $<
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