blob: cd64db1ea48e21cc9e0b82f1d1fca64b24b8e5e6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
export
ARCH = x86_64-elf-
CC = $(ARCH)gcc
AS = $(ARCH)as
LD = $(ARCH)ld
OBJDUMP = $(ARCH)objcopy
OBJCOPY = $(ARCH)objdump
WARNINGS := -Wall -Werror -Wextra -pedantic -Wshadow -Wpointer-arith \
-Wcast-align -Wwrite-strings -Wmissing-prototypes \
-Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline \
-Wno-long-long -Wconversion -Wstrict-prototypes
CFLAGS = $(WARNINGS) -Wno-error=infinite-recursion -O -fno-omit-frame-pointer
# -mgeneral-regs-only disables SIMD instructions
CFLAGS += -MD -O3 -mgeneral-regs-only -mcmodel=large
CFLAGS += -ffreestanding -fno-common -nostdlib
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
CFLAGS += -fno-pie -no-pie -fno-pic
LDFLAGS = -z max-page-size=4096
MAKE:=$(MAKE) -s
K = kernel
all: kernel.iso
$K/kernel.bin: FORCE
@$(MAKE) -C $(@D)
FORCE:
kernel.iso: $K/kernel.bin $K/src/grub.cfg Makefile
$(info [all] $@)
@mkdir -p isodir/boot/grub
@cp $K/kernel.bin isodir/boot/kernel.bin
@cp $K/src/grub.cfg isodir/boot/grub/grub.cfg
@grub-mkrescue -o kernel.iso isodir 2> /dev/null
.PHONY: all build qemu bochs clean
QEMU = qemu-system-x86_64
BOCHS = bochs -q
qemu: kernel.iso
$(QEMU) -cdrom kernel.iso
bochs: kernel.iso
$(BOCHS) -qf .bochsrc
clean:
@find -name "*.o" -exec rm {} \;
@find -name "*.d" -exec rm {} \;
@rm -f kernel.iso $K/kernel.bin xbochs.log bx_enh_dbg.ini
@rm -rf isodir
|
