OUTPUT_FORMAT("pe-x86-64")
ENTRY(loader)
SECTIONS 
{
    	.text 0x001216 :
	{
		*(.text)
	}
	.rdata :
	{
		*(.rdata)
	}
	.data :
	{
		*(.data)
	}
	.bss :
	{
		*(.bss)
	}
}
 

jmp 08h:protected_mode
 

OUTPUT_FORMAT("pe-x86-64") 
ENTRY("loader")
SECTIONS 
{ 
    . = 0x100000;
    .text :
    { 
        code = .; 
        *(.text) 
        text_end = .;
    }
    .rodata : 
    { 
        rodata = text_end; 
        *(.rodata)
		*(.rdata)
        rodata_end  = .;      
    }    
    .data : 
    { 
        data = rodata_end; 
        *(.data) 
        data_end = .;
    } 
    .bss :  
    { 
        bss = data_end; 
        *(.bss) 
        bss__end = .;
    } 
    end = .; 
}
 

@echo off
set nasm="tools\nasm.exe"
set bochs="C:\Program Files (x86)\Bochs-2.5.1\bochs.exe"
set fat12maker="tools\fat12maker.exe"
set ld="..\MinGW64\bin\x86_64-w64-mingw32-ld.exe"
set cpp="..\MinGW64\bin\x86_64-w64-mingw32-g++.exe"
set objcopy="..\MinGW64\bin\x86_64-w64-mingw32-objcopy.exe"
set cpp_params=-I.\Kernel\ -nostdlib -nostartfiles -nodefaultlibs -masm=intel -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -fno-builtin

mkdir bin\

%nasm% -fbin bootloader\Stage_1.asm -o Stage_1.bin
if NOT %ERRORLEVEL%==0 goto error

%nasm% -fbin bootloader\Stage_2.asm -o Stage_2.bin
if NOT %ERRORLEVEL%==0 goto error

%cpp% %cpp_params% -c Kernel\kernel.cpp -o bin\kernel.o
%cpp% %cpp_params% -c Kernel\Drivers\screen.cpp -o bin\screen.o
%cpp% %cpp_params% -c Kernel\string.cpp -o bin\string.o
%cpp% %cpp_params% -c Kernel\io.cpp -o bin\io.o
%cpp% %cpp_params% -c Kernel\idt.cpp -o bin\idt.o
%nasm% -f win64 Kernel\Stage_3.asm -o bin\Stage_3.o
if NOT %ERRORLEVEL%==0 goto error

%ld% -nostdlib -nodefaultlibs -T linker.ld bin\Stage_3.o bin\kernel.o bin\idt.o bin\screen.o bin\string.o bin\io.o -o Kernel.out
%objcopy% -x -g -X -S -O binary Kernel.out kernel.bin

copy /b Stage_2.bin+kernel.bin Stage_2.bin
if NOT %ERRORLEVEL%==0 goto error

%fat12maker% -b Stage_1.bin -i Stage_2.bin -o Kernel.img
%bochs% -f bochsconf

goto fin

:error
echo Se produjo un error de compilacion
exit

:fin
echo Compilacion satisfactoria
rmdir /S /Q bin\

const char * interrupts_exceptions[] = {
	 "0 - Division by zero exception",
	 "1 - Debug exception",
	 "2 - Non maskable interrupt",
	 "3 - Breakpoint exception",
	 "4 - 'Into detected overflow",
	 "5 - Out of bounds exception",
	 "6 - Invalid opcode exception",
	 "7 - No coprocessor exception",
	 "8 - Double fault",
	 "9 - Coprocessor segment overrun",
	 "10 - Bad TSS",
	 "11 - Segment not present",
	 "12 - Stack fault",
	 "13 - General protection fault",
	 "14 - Page fault",
	 "15 - Unknown interrupt exception",
	 "16 - Coprocessor fault",
	 "17 - Alignment check exception",
	 "18 - Machine check exception",
	 "19 - Reserved exception",
	 "20 - Reserved exception",
	 "21 - Reserved exception",
	 "22 - Reserved exception",
	 "23 - Reserved exception",
	 "24 - Reserved exception",
	 "25 - Reserved exception",
	 "26 - Reserved exception",
	 "27 - Reserved exception",
	 "28 - Reserved exception",
	 "29 - Reserved exception",
	 "30 - Reserved exception" 
	 "31 - Reserved exception"};
 
void idt::init_idt()
{
	idt_ptr = (idt_ptr_t*)IDT_ADDRESS;
	*idt_entries = (idt_entry_t*)IDT_ADDRESS;
 
	clean_gates();
	screen::kprintf("Exceptions pointer: 0x%p\n", ::interrupts_exceptions);
	screen::kprintf("String: %s\n", ::interrupts_exceptions[0]); //<--------------------------
 
	idt_set_gate(0, (QWORD)isr0, 0x08, 0x8E);
}
 

OUTPUT_FORMAT(binary)
ENTRY(loader)
SECTIONS 
{ 
    . = 0x100000;
    .text :
    { 
        code = .; 
        *(.text) 
        text_end = .;
    }
    .rodata : 
    { 
        rodata = text_end; 
        *(.rodata)
        rodata_end  = .;      
    }    
    .data : 
    { 
        data = rodata_end; 
        *(.data) 
        data_end = .;
    } 
    .bss :  
    { 
        bss = data_end; 
        *(.bss) 
        bss__end = .;
    } 
    end = .; 
}
 

CPP = g++
CPP_PARAMS = -I./Kernel/ -nostdlib -nostartfiles -nodefaultlibs -masm=intel -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -fno-builtin
OBJECTS = Stage_3.o kernel.o screen.o string.o io.o idt.o
FAT12MAKER = ./tools/fat12maker/fat12maker
 
 
all:
	nasm -fbin bootloader/Stage_1.asm -o Stage_1.bin
	nasm -fbin bootloader/Stage_2.asm -o Stage_2.o
 
	nasm -felf64 Kernel/Stage_3.asm -o Stage_3.o
	$(CPP) $(CPP_PARAMS) -c Kernel/kernel.cpp -o kernel.o
	$(CPP) $(CPP_PARAMS) -c Kernel/Drivers/screen.cpp -o screen.o
	$(CPP) $(CPP_PARAMS) -c Kernel/string.cpp -o string.o
	$(CPP) $(CPP_PARAMS) -c Kernel/io.cpp -o io.o
	$(CPP) $(CPP_PARAMS) -c Kernel/idt.cpp -o idt.o
 
	ld -nostdlib -nodefaultlibs -T linker-linux.ld $(OBJECTS) -o Kernel.o
	cat Stage_2.o Kernel.o > Stage_2.bin
	$(FAT12MAKER) -b Stage_1.bin -i Stage_2.bin -o Kernel.img
	bochs -f bochsconf-linux
 
clean:
	rm *.o
	rm *.bin
 

extern "C" void kmain(WORD Foo, WORD Foo2)
{
	char saludo[] = "Hello!\n";
	screen::clear_screen();
	screen::hide_cursor();
 
	screen::kprintf("Adios\n"); //No funciona
	screen::kprintf(saludo); //Funciona