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# MIT License, Copyright (c) 2020 Marvin Borner
COBJS = main.o \
drivers/acpi.o \
drivers/interrupts.o \
drivers/interrupts_asm.o \
drivers/fpu.o \
drivers/keyboard.o \
drivers/mouse.o \
drivers/pci.o \
drivers/ide.o \
drivers/timer.o \
drivers/rtl8139.o \
features/fs.o \
features/load.o \
features/proc.o \
features/proc_asm.o \
features/syscall.o \
features/net.o \
features/event.o
CC = ccache ../cross/opt/bin/i686-elf-gcc
LD = ccache ../cross/opt/bin/i686-elf-ld
OC = ccache ../cross/opt/bin/i686-elf-objcopy
AS = ccache nasm
WARNINGS = -Wall -Wextra -pedantic-errors -Wshadow -Wpointer-arith -Wwrite-strings -Wredundant-decls -Wnested-externs -Wno-long-long
CFLAGS = $(WARNINGS) -Wno-address-of-packed-member -nostdlib -nostdinc -ffreestanding -fno-builtin -mno-red-zone -mgeneral-regs-only -std=c99 -m32 -Wl,-ekernel_main -I../libc/inc/ -Iinc/ -Dkernel $(CFLAGS_EXTRA) $(OPTIMIZATION)
ASFLAGS = -f elf32
all: compile
%.o: %.c
@$(CC) -c $(CFLAGS) $< -o $@
%_asm.o: %.asm
@$(AS) $(ASFLAGS) $< -o $@
compile: $(COBJS)
@mkdir -p ../build/
@$(LD) -N -ekernel_main -Ttext 0x00050000 -o ../build/kernel.elf -L../build/ $+ -lk
@$(OC) -O binary ../build/kernel.elf ../build/kernel.bin
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