diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6686564..7fad308 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,26 +9,46 @@ project(chroma)
 
 
 SET(src_files
-    chroma/kernel.c
-    chroma/video/draw.c
-    chroma/video/print.c
-    chroma/system/cpu.c
-    chroma/system/rw.c
-    chroma/system/serial.c
-    chroma/system/memory/paging.c
-    chroma/system/memory/physmem.c
-    chroma/system/drivers/keyboard.c
+    ${CMAKE_SOURCE_DIR}/chroma/kernel.c
+    ${CMAKE_SOURCE_DIR}/chroma/video/draw.c
+    ${CMAKE_SOURCE_DIR}/chroma/video/print.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/cpu.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/rw.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/serial.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/pci.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/memory/paging.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/memory/physmem.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/drivers/keyboard.c
 )
 
 include_directories("chroma/inc")
 
 SET(src_no_sse
-    chroma/system/interrupts.c
+    ${CMAKE_SOURCE_DIR}/chroma/system/interrupts.c
+)
+
+SET(src_preamble
+    ${CMAKE_SOURCE_DIR}/global/crt0.o
+    ${CMAKE_SOURCE_DIR}/global/crti.o
+    ${CMAKE_SOURCE_DIR}/global/crtbegin.o
+)
+
+set(src_epilogue
+    ${CMAKE_SOURCE_DIR}/global/crtend.o
+    ${CMAKE_SOURCE_DIR}/global/crtn.o
 )
 
 set_property(SOURCE ${src_no_sse} PROPERTY COMPILE_FLAGS -mgeneral-regs-only)
 
-add_executable(kernel.elf ${src_files} ${src_no_sse} font.o)
-target_compile_options(kernel.elf PRIVATE -ffreestanding -O2 -Wall -Wextra -Wall -Werror -pedantic -fPIC)
-target_link_options(kernel.elf PRIVATE -T linker.ld -ffreestanding -O2 -nostdlib -lgcc)
+add_executable(kernel)
 
+target_sources(kernel PUBLIC ${src_preamble} PUBLIC ${src_files} PUBLIC ${src_no_sse} PUBLIC ${CMAKE_SOURCE_DIR}/font.o PUBLIC ${src_epilogue})
+target_compile_options(kernel PRIVATE -ffreestanding -O2 -Wall -Wextra -Wall -Werror -pedantic -fPIC -fno-exceptions)
+target_link_options(kernel PRIVATE -T linker.ld -ffreestanding -O2 -nostdlib -nostartfiles -lgcc)
+
+add_custom_command(
+    TARGET kernel
+    POST_BUILD
+    COMMAND cp ${CMAKE_SOURCE_DIR}/kernel ${CMAKE_SOURCE_DIR}/img/boot/exe
+    COMMAND ${CMAKE_SOURCE_DIR}/mkbootimg chroma.json chroma.img
+)
\ No newline at end of file
diff --git a/chroma/inc/kernel/chroma.h b/chroma/inc/kernel/chroma.h
index b9e1eb7..e22fa31 100644
--- a/chroma/inc/kernel/chroma.h
+++ b/chroma/inc/kernel/chroma.h
@@ -58,3 +58,7 @@ void InitPrint();
 
 void SetupInitialGDT();
 void SetupIDT();
+
+int Main();
+
+void Exit();
diff --git a/chroma/kernel.c b/chroma/kernel.c
index 9205766..b82b5c2 100644
--- a/chroma/kernel.c
+++ b/chroma/kernel.c
@@ -16,12 +16,16 @@ size_t KernelAddr = (size_t) &LoadAddr;
 size_t KernelEnd = (size_t) &end;
 
 
-void _start(void) {
+int Main(void) {
 
 
     SerialPrintf("\r\nBooting Chroma..\r\n");
     SerialPrintf("Kernel loaded at 0x%p, ends at 0x%p, is %d bytes long.\r\n", KernelAddr, KernelEnd, KernelEnd - KernelAddr);
 
+    SerialPrintf("The bootloader has put the paging tables at 0x%p.\r\n", ReadControlRegister(3));
+
+    TraversePageTables();
+
     ListMemoryMap();
 
     InitPrint();
@@ -41,5 +45,13 @@ void _start(void) {
 
 
     for(;;) { }
+
+    return 0;
     
 }
+
+
+void Exit(int ExitCode) {
+    SerialPrintf("Kernel stopped with code %x\r\n", ExitCode);
+
+}
\ No newline at end of file
diff --git a/global/a.out b/global/a.out
new file mode 100644
index 0000000..ee9c269
Binary files /dev/null and b/global/a.out differ
diff --git a/global/crt0.c b/global/crt0.c
new file mode 100644
index 0000000..5f3ba44
--- /dev/null
+++ b/global/crt0.c
@@ -0,0 +1,11 @@
+
+extern void Exit(int code);
+extern int Main();
+
+extern void _init();
+
+void _start() {
+    _init();
+    int ex = Main();
+    Exit(ex);
+}
\ No newline at end of file
diff --git a/global/crt0.o b/global/crt0.o
new file mode 100644
index 0000000..af9b40e
Binary files /dev/null and b/global/crt0.o differ
diff --git a/global/crt0.s b/global/crt0.s
new file mode 100644
index 0000000..d50d2cd
--- /dev/null
+++ b/global/crt0.s
@@ -0,0 +1,10 @@
+.section .text
+.global _start
+.global _init
+.global main
+.global _fini
+.type _start, @function
+_start:
+	call _init
+	call main
+	call _fini
\ No newline at end of file
diff --git a/global/crtbegin.o b/global/crtbegin.o
new file mode 100644
index 0000000..72d5531
Binary files /dev/null and b/global/crtbegin.o differ
diff --git a/global/crtend.o b/global/crtend.o
new file mode 100644
index 0000000..1e31c40
Binary files /dev/null and b/global/crtend.o differ
diff --git a/global/crti.o b/global/crti.o
new file mode 100644
index 0000000..4407887
Binary files /dev/null and b/global/crti.o differ
diff --git a/global/crti.s b/global/crti.s
new file mode 100644
index 0000000..e9ab988
--- /dev/null
+++ b/global/crti.s
@@ -0,0 +1,13 @@
+.section .init
+.global _init
+.type _init, @function
+_init:
+	push %rbp
+	movq %rsp, %rbp
+	
+.section .fini
+.global _fini
+.type _fini, @function
+_fini:
+	push %rbp
+	movq %rsp, %rbp
\ No newline at end of file
diff --git a/global/crtn.o b/global/crtn.o
new file mode 100644
index 0000000..7223e2f
Binary files /dev/null and b/global/crtn.o differ
diff --git a/global/crtn.s b/global/crtn.s
new file mode 100644
index 0000000..9c0665c
--- /dev/null
+++ b/global/crtn.s
@@ -0,0 +1,9 @@
+.section .init
+	
+	popq %rbp
+	ret
+	
+.section .fini
+
+	popq %rbp
+	ret
\ No newline at end of file
diff --git a/linker.ld b/linker.ld
index 6e0c8d4..b2b153f 100644
--- a/linker.ld
+++ b/linker.ld
@@ -26,7 +26,13 @@ SECTIONS
 		*(COMMON)
 	} :boot
 
-	/DISCARD/ : { *(.eh_frame) *(.comment) }
+	.eh_frame_hdr : {
+		*(.eh_frame_hdr)
+		*(.eh_frame)
+		*(.gcc_except_table)
+	} :boot
+
+	/DISCARD/ : {*(.comment) }
 
 	end = .;
 }