makefile he link.ld 存档

//makefile

#this is the MakeFile for my little first kernel

CC=gcc
AS=nasm
LD=ld
GET=co
HEX=-hexcpy
ECHO=@echo
ASFLAGS=-f elf
CFLAGS=-Wall -O -fstrength-reduce -fomit-frame-pointer \
    -finline-functions -nostdinc -fno-builtin -I./
LDFLAGS=-T link.ld
SRCS=kernel.c disp.c stdlib.c gdt.c idt.c isrs.c
OBJS=start.o kernel.o disp.o stdlib.o gdt.o idt.o isrs.o
TARG=kernel.bin
FNL=disk.flp
all:  kernel.bin
start.o:
    $(AS) $(ASFLAGS) boot.asm -o $@
    
$(SRCS):
    $(GET) $@
    $(CC) $(CFLAGS) $(SRCS)
        
$(TARG): $(OBJS)
     $(LD) $(LDFLAGS) -o $@ $(OBJS)
     $(ECHO) BUILD SUCCESSFUL !!!
clean:
     -rm *.o
     
     $(ECHO) FINAL FILE BUILD SUCCESSFUL !!!
////////////////////////////////////////////////////////////////////////////////////////////////////////////

///link.ld
OUTPUT_FORMAT("binary")
ENTRY(start)
phys = 0x00100000;
SECTIONS
{
  .text phys : AT(phys) {
    code = .;
    *(.text)
    . = ALIGN(4096);
  }
  .data : AT(phys + (data - code))
  {
    data = .;
    *(.data)
    . = ALIGN(4096);
  }
  .bss : AT(phys + (bss - code))
  {
    bss = .;
    *(.bss)
    . = ALIGN(4096);
  }
  end = .;
}

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