makefile

cat makefile

ifeq ($(OS),Windows_NT)
        BUILDOS ?= win
else
        BUILDOS ?= nix
endif
ARCH?=x86
DEBUG?=on
OSVER?=1.0
OSNAME?=DepthOS
CC=gcc
LD=ld
ASM=nasm -f elf32
CSTD=11
CEMU=-m32
CCFLAGS= -Iinclude -ffreestanding -nostdlib -nostdinc -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pic
CCFLAGS += -W -Wall -Wno-unused-parameter -Wno-type-limits -Werror -Wno-parentheses -Wno-unused-variable -Wno-maybe-uninitialized
ASFLAGS = -m32
ifeq ($(BUILDOS),win)
        LDEMU=-mi386pe
else
        LDEMU=-melf_i386
endif
LDFILE=link.ld

OUTBIN=$(OSNAME)-$(OSVER)
# CSOURCES ?=
# ASMSOURCES ?=
# NASMSOURCES ?=
CSOURCES +=kmain.c
NASMSOURCES +=loader.asm
#CSOURCES += $(shell find . -name "*.c" -type f -print )
#ASMSOURCES += $(shell find . -name "*.s" -type f -print )
#NASMSOURCES += $(shell find . -name "*.asm" -type f -print )
CSOURCES +=$(wildcard */*.c)
ASMSOURCES +=$(wildcard */*.S)
ASMSOURCES +=$(wildcard */*.s)
NASMSOURCES +=$(wildcard */*.asm)
# OBJS=build/*.o
# .PHONY: all clean

CSOURCES+=$(wildcard */$(ARCH)/*.c)
ASMSOURCES+=$(wildcard */$(ARCH)/*.S)
ASMSOURCES+=$(wildcard */$(ARCH)/*.s)
NASMSOURCES+=$(wildcard */$(ARCH)/*.asm)

all: os_info clean build test


os_info:
        @echo ---------- build $(OSNAME) ----------
        @echo -------- os version is $(OSVER) --------
        @echo ---------- build for $(BUILDOS) ----------
        @echo

clean:
        @rm -f build/*.o
        @rm -f build/*.bin
        @rm -f $(OSNAME)-*


build: kernel img iso


kernel: $(CSOURCES) $(ASMSOURCES) $(NASMSOURCES) $(LDFILE)
        @echo ---------- build kernel -----------
ifeq ($(DEBUG),on)
        $(CC) $(CEMU) -std=c$(CSTD) -g -c -DOSVER=\"$(OSVER)\" $(CSOURCES) $(CCFLAGS)
ifeq ($(DEBUG),true)
        $(CC) $(CEMU) -std=c$(CSTD) -g -c -DOSVER=\"$(OSVER)\" $(CSOURCES) $(CCFLAGS)
endif
else
        $(CC) $(CEMU) -std=c$(CSTD) -c -DOSVER=\"$(OSVER)\" $(CSOURCES) $(CCFLAGS)
endif
        @mkdir -p build
        @mv *.o build/
        $(ASM) $(NASMSOURCES)
        gcc -m32 -c $(ASMSOURCES)
        @mv *.o build/
        $(LD) $(LDEMU) -T$(LDFILE) -Wl,--build-id=none -o build/$(OUTBIN).bin build/*.o
ifeq ($(BUILDOS),win)
        objcopy -O elf32-i386 build/$(OUTBIN).bin $(OUTBIN)
else
        cp build/$(OUTBIN).bin $(OUTBIN)
endif

img:

iso:

hex_info:
        @echo ---------- HEX INFO ----------
        @echo loader hex info
        hexdump -x build/loader.o
        @echo kernel hex info
        hexdump -x $(OUTBIN)
#dis_asm:
#       @echo ---------- DIS ASM ----------
#       @echo loader disasm
#       ndisasm -b 32 build/loader.o
#       @echo kernel disasm
#       ndisasm -b 32 $(OUTBIN)
obj_info:
        @echo ---------- OBJ INFO ----------
        @echo loader obj info
        objdump -f -h build/loader.o
        @echo kernel obj info
        objdump -f -h $(OUTBIN)
info: hex_info obj_info # dis_asm

test:
        @echo
        @echo ----------- testing os ------------
        @echo
        qemu-system-i386 -M pc-i440fx-2.8 -kernel $(OUTBIN) # -d cpu -D qemu_log.log # -d int,pcall,cpu,fpu # -nographic