From ae052c66f1a84d972dcd9e1b93e153c52bd6fcb4 Mon Sep 17 00:00:00 2001
From: plane000 <playsplane@gmail.com>
Date: Sun, 7 Oct 2018 15:16:25 +0100
Subject: [PATCH] inital commit

---
 .vscode/tasks.json     |  54 ++++++++++++++++++++++++++++++++++
 ISO/boot/grub/grub.cfg |   6 ++++
 ISO/boot/kernel        | Bin 0 -> 5324 bytes
 kernel.asm             |  21 ++++++++++++++
 kernel.c               |  24 ++++++++++++++++
 link.ld                |   9 ++++++
 makefile               |  64 +++++++++++++++++++++++++++++++++++++++++
 7 files changed, 178 insertions(+)
 create mode 100644 .vscode/tasks.json
 create mode 100644 ISO/boot/grub/grub.cfg
 create mode 100644 ISO/boot/kernel
 create mode 100644 kernel.asm
 create mode 100644 kernel.c
 create mode 100644 link.ld
 create mode 100644 makefile

diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..a8e9261
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,54 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Build",
+            "type": "shell",
+            "command": "bash --login -c 'make'",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "problemMatcher": []
+        },
+        {
+            "label": "Build (With ISO)",
+            "type": "shell",
+            "command": "bash --login -c 'make iso'",
+            "group": {
+                "kind": "test",
+                "isDefault": true,
+            },
+            "problemMatcher": []
+        },
+        {
+            "label": "Run",
+            "type": "shell",
+            "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",
+            "group": {
+                "kind": "test",
+                "isDefault": true
+            }
+        },
+        {
+            "label": "Run (With ISO)",
+            "type": "shell",
+            "command": "&('C:/Program Files/qemu/qemu-system-i386') -cdrom bin/ThanOS.iso -serial mon:stdio -drive file=hda.img,format=raw",
+            "group": {
+                "kind": "test",
+                "isDefault": true
+            }
+        },
+        {
+            "label": "Run in BOCHS (Rqrs. ISO)",
+            "type": "shell",
+            "command": "&('C:/Program Files (x86)/Bochs-2.6.9/bochsdbg.exe') -f bochsrc.bxrc -q",
+            "group": {
+                "kind": "test",
+                "isDefault": true
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/ISO/boot/grub/grub.cfg b/ISO/boot/grub/grub.cfg
new file mode 100644
index 0000000..6567823
--- /dev/null
+++ b/ISO/boot/grub/grub.cfg
@@ -0,0 +1,6 @@
+set timeout=0
+set default=0
+
+menuentry "UrMumOS" {
+   multiboot /boot/kernel
+}
diff --git a/ISO/boot/kernel b/ISO/boot/kernel
new file mode 100644
index 0000000000000000000000000000000000000000..5252d728ed6da5c97fb971023a80ceb425ee0d17
GIT binary patch
literal 5324
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zWf1DtA*f>)p@W2n4w0k<9z1tW5b9uHu*A~#-pu^AEgiaa`yc-Q`@jEt@6F8jzdiWh
zS7O70AOJHFd_brPg3yD$?Uc*(fCM6RLL(e^c%;#23PKnY!W{th-qwvhYl@b&M!b_&
zOK{8;;0kaBxB^@Ot^iknE5H@t3UCFu0$c&Ez<*Uhe6`k25BM1$`~2fgxFZPr^zZ-S
z#LC{%*WmsWTnE16w7U4BQmL#chug{lEH=WnQpR0$C30WR*b@h~QWAEzKtjKIU9gn{
zLiI~ZNqlgx^t=V&_9qtJ<%E}oclPKZrG0354a=gfl>bZ=mXxw+PdFjF81nFKaqIEN
zP1_&doXi(Z$;ex2-IQju1u2`)LL0pbns8?fgu4wwdz0V4j9+sa_h_8MFL*`)11B0D
ziG$4n@#%XEaqc9p;Py-8{lwSU$k5Pbsq>nioYittuY5s{bVvKUru5{cV)U%LA)Svz
z`yv;ky)~&-(7pL^Z&v`;y_*mp-l~vo9ATe>caE_8Mj?Ua2OK_pgzFs4CLi9y&;c^@
z!?#Kk0y<gO>LA2O^u$*|2jf)^u;&R7fIh_ReOpBlMiJBf5LpnPHjX}oE7G==o}SUo
zoSv1nf&m3fOJ&r;oR-qrb_&#ySbT6GrpAYd$CZSd7#NHxDyZswf3G~FTk2d&wbI30
zM%L!3fN4R-&}MT0a$&)+v?O}VbbXqwEPdVrnP&O#g=8~7rCA!tdRm<}HA4q^CU41e
zSxie73LvNQhN0&y`l^33`r(k)?g^kC__tn_$`mI(SsdxOjzo2z5l40v2d$|is2?^k
zj`cKdIUIS#TT>kM$qvTFi13Wnjw7ae)KPSvp_6oOzm4K(+{Dp<gW{;K!Wah<4$oM<
zTZpM%#M`I1Zf{MFI5ym_cF6?QL*f{^W*k%xU)jNKw<ADHv;s`JOJ}B9WRzYVw}x@k
J4&zQN?ibOd%Q^r6

literal 0
HcmV?d00001

diff --git a/kernel.asm b/kernel.asm
new file mode 100644
index 0000000..fc02b9f
--- /dev/null
+++ b/kernel.asm
@@ -0,0 +1,21 @@
+;;kernel.asm
+bits 32                      ; tells nasm to use 32 bit
+section .text
+        ;multiboot spec
+        align 4
+        dd 0x1BADB002            ;magic
+        dd 0x00                  ;flags
+        dd - (0x1BADB002 + 0x00) ;checksum. m+f+c should be zero
+
+global start
+extern kmain
+
+start:
+    cli                       ; blocks interupts i think
+    mov ESP, stack_space      ; sets stack pointer
+    call kmain                ; calls kmain c++ function
+    hlt                       ; halts CPU
+
+section .bss
+resb 8192                     ; 8 kb stack
+stack_space:
diff --git a/kernel.c b/kernel.c
new file mode 100644
index 0000000..2b32063
--- /dev/null
+++ b/kernel.c
@@ -0,0 +1,24 @@
+void kmain(void) {
+    const char* str = "Your mother gay lol";
+    char* videoMemoryPtr = (char*)0xb8000; // Video memory start
+
+    unsigned int i = 0;
+    unsigned int j = 0;
+
+    while (j < 80 * 25 * 2) {
+        videoMemoryPtr[j] = ' ';
+        videoMemoryPtr[j+1] = 0x07;
+        j += 2;
+    }
+
+    j = 0;
+
+    while(str[j] != '\0') {
+        videoMemoryPtr[i] = str[j];
+        videoMemoryPtr[i+1] = 0x07;
+        j++;
+        i += 2;
+    }
+
+    return;
+}
diff --git a/link.ld b/link.ld
new file mode 100644
index 0000000..dae6b25
--- /dev/null
+++ b/link.ld
@@ -0,0 +1,9 @@
+OUTPUT_FORMAT(elf32-i386)
+ENTRY(start)
+SECTIONS
+ {
+   . = 0x100000;
+   .text : { *(.text) }
+   .data : { *(.data) }
+   .bss  : { *(.bss)  }
+ }
\ No newline at end of file
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..6359744
--- /dev/null
+++ b/makefile
@@ -0,0 +1,64 @@
+# CONFIGURATION
+DELETE = rm -f 
+
+# DIRECTORIES
+SRC_DIR = ./
+LIB_DIR = ./libs
+SHELL_DIR = ./shell
+OBJ_DIR = ./obj
+INC_DIR = ./libs/includes
+
+# C++
+SRC_FILES = $(wildcard $(SRC_DIR)/*.cpp)
+LIB_FILES = $(wildcard $(LIB_DIR)/*.cpp)
+SHELL_FILES = $(wildcard $(SHELL_DIR)/*.cpp)
+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))
+
+# ASSEMBLY
+ASM_SRC = $(wildcard $(SRC_DIR)/*.asm)
+ASM_LIB = $(wildcard $(LIB_DIR)/*.asm)
+ASM_OBJ = $(patsubst $(SRC_DIR)/%.asm,$(OBJ_DIR)/%.o,$(ASM_SRC)) $(patsubst $(LIB_DIR)/%.asm,$(OBJ_DIR)/%.o,$(ASM_LIB))
+
+# COMPILER STUFF
+# unused: -Wall -Wextra
+GPP_CMD = i686-elf-g++
+GAS_CMD = i686-elf-as
+LDFLAGS = -T linker.ld -ffreestanding -O2 -nostdlib -lgcc -Wwrite-strings
+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
+CXXFLAGS = 
+GASFLAGS = 
+OBJ_FILES = $(CPP_OBJ) $(ASM_OBJ)
+OUTPUT = ./bin/MemeOS.bin
+ISO_OUTPUT = ./bin/MemeOS.iso
+
+all: $(OUTPUT)
+
+clean:
+	$(DELETE) ./obj/*
+	$(DELETE) ./bin/*
+
+iso: all
+	cp $(OUTPUT) ./ISO/boot/MemeOS
+	grub-mkrescue -o $(ISO_OUTPUT) ./ISO
+
+folders:
+	mkdir -p ./bin
+	mkdir -p ./obj
+
+$(OUTPUT): $(OBJ_FILES)
+	$(GPP_CMD) $(LDFLAGS) -o $@ $^
+
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
+	$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
+
+$(OBJ_DIR)/%.o: $(LIB_DIR)/%.cpp
+	$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
+
+$(OBJ_DIR)/%.o: $(SHELL_DIR)/%.cpp
+	$(GPP_CMD) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
+	
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.asm
+	$(GAS_CMD) $(GASFLAGS) -o $@ $<
+
+$(OBJ_DIR)/%.o: $(LIB_DIR)/%.asm
+	$(GAS_CMD) $(GASFLAGS) -o $@ $<
\ No newline at end of file