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Adopt Makefile #9

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Adopt Makefile #9

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2034e18
Makefile: build bootloader
xuchunyang Oct 29, 2014
30577d8
Makefile: build kernel
xuchunyang Oct 29, 2014
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49 changes: 36 additions & 13 deletions Makefile
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Original file line number Diff line number Diff line change
@@ -1,25 +1,48 @@
CINC := -Isrc/inc -Isrc/inc/usr
CFLAG := -Wall -Werror -nostdinc -fno-builtin -fno-stack-protector \
-finline-functions -finline-small-functions -findirect-inlining \
-finline-functions-called-once
CC = i386-elf-gcc
LD = i386-elf-ld
OBJCOPY = i386-elf-objcopy
AS = nasm

include build/boot.mk
include build/kern.mk
include build/rootfs.mk
include build/user.mk
CFLAGS = -Wall -Isrc/inc -Isrc/inc/usr -nostdinc -fno-builtin \
-fno-stack-protector -finline-functions -finline-small-functions \
-findirect-inlining -finline-functions-called-once

all: bochs

bochs: build
bochs: kernel.img
bochs -q -f .bochsrc

debug: build
debug: kernel.img
bochs-dbg -q -f .bochsrc

build:
echo
kernel.img: boot.bin kernel.bin
cat boot.bin kernel.bin > kernel.img

# --------------------------------------------------------------------
# bootloader
boot.bin: src/boot/boot.o
$(LD) $< -o $@ -T tool/boot.ld

# --------------------------------------------------------------------
# kernel
HEADERS = $(wildcard src/**/*.h)
SRCS = $(wildcard src/**/*.c)
OBJS = src/kern/entry.o $(SRCS:.c=.o)

kernel.bin: kernel.elf
$(OBJCOPY) -R .pdr -R .comment -R .note -S -O binary $< $@

kernel.elf: $(OBJS)
$(LD) $^ -o $@ -T tool/main.ld

%.o: %.S
$(AS) -f elf -o $@ $<

%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<

clean:
-rm -rf bin/* root/bin/* src/kern/entry.S .bochsout
rm -f src/boot/boot.o src/kern/entry.o $(OBJS)
rm -f kernel.img boot.bin kernel.bin kernel.elf

.PHONY: all bochs build debug clean
2 changes: 1 addition & 1 deletion tool/main.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ SECTIONS {
.text 0x100000 : {
__kbegin__ = .;
__code__ = .;
bin/entry.o(.text) bin/main.o(.text) *(.text);
src/kern/entry.o(.text) src/kern/main.o(.text) *(.text);
. = ALIGN(4096);
}
.data : {
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