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提交 45a9876c 创建 作者: Silas Boyd-Wickizer's avatar Silas Boyd-Wickizer
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Make it easier to build kernels for different machines.

上级 3faf7937
隐藏空白字符变更
内嵌 并排
正在显示 包含 28 行增加 和 18 行删除
Makefile
浏览文件 @ 45a9876c
...@@ -12,6 +12,7 @@ QEMUSRC ?= ../mtrace ...@@ -12,6 +12,7 @@ QEMUSRC ?= ../mtrace
MTRACE ?= $(QEMU) MTRACE ?= $(QEMU)
HW ?= qemu HW ?= qemu
O = o.$(HW)
CC = $(TOOLPREFIX)gcc CC = $(TOOLPREFIX)gcc
AS = $(TOOLPREFIX)gas AS = $(TOOLPREFIX)gas
LD = $(TOOLPREFIX)ld LD = $(TOOLPREFIX)ld
...@@ -62,8 +63,10 @@ OBJS = \ ...@@ -62,8 +63,10 @@ OBJS = \
trap.o \ trap.o \
trapasm.o \ trapasm.o \
wq.o wq.o
OBJS := $(addprefix $(O)/, $(OBJS))
ULIB = ulib.o usys.o printf.o umalloc.o uthread.o ULIB = ulib.o usys.o printf.o umalloc.o uthread.o
ULIB := $(addprefix $(O)/, $(ULIB))
UPROGS= \ UPROGS= \
_cat \ _cat \
...@@ -75,26 +78,30 @@ UPROGS= \ ...@@ -75,26 +78,30 @@ UPROGS= \
_mapbench \ _mapbench \
_maptest \ _maptest \
_sh \ _sh \
_thrtest \ _thrtest
UPROGS := $(addprefix $(O)/, $(UPROGS))
%.o: %.c $(O)/kernel: $(O) $(O)/boot.o $(OBJS) initcode bootother fs.img
@echo " LD $@"
$(Q)$(LD) $(LDFLAGS) -T kernel.ld -z max-page-size=4096 -e start \
-o $@ $(O)/boot.o $(OBJS) -b binary initcode bootother fs.img
$(O):
$(Q)mkdir $(O)
$(O)/%.o: %.c
@echo " CC $@" @echo " CC $@"
$(Q)$(CC) $(CFLAGS) -c -o $@ $< $(Q)$(CC) $(CFLAGS) -c -o $@ $<
%.o: %.S $(O)/%.o: %.S
@echo " CC $@" @echo " CC $@"
$(Q)$(CC) $(ASFLAGS) -c -o $@ $< $(Q)$(CC) $(ASFLAGS) -c -o $@ $<
kernel: boot.o $(OBJS) initcode bootother fs.img
@echo " LD $@"
$(Q)$(LD) $(LDFLAGS) -T kernel.ld -z max-page-size=4096 -e start \
-o $@ boot.o $(OBJS) -b binary initcode bootother fs.img
initcode: TTEXT = 0x0 initcode: TTEXT = 0x0
bootother: TTEXT = 0x7000 bootother: TTEXT = 0x7000
%: %.S %: %.S
@echo " CC $@" @echo " CC $@"
$(Q)$(CC) $(CFLAGS) -nostdinc -I. -c $@.S $(Q)$(CC) $(CFLAGS) -nostdinc -I. -c $< -o $@.o
$(Q)$(LD) $(LDFLAGS) -N -e start -Ttext $(TTEXT) -o $@.out $@.o $(Q)$(LD) $(LDFLAGS) -N -e start -Ttext $(TTEXT) -o $@.out $@.o
$(Q)$(OBJCOPY) -S -O binary $@.out $@ $(Q)$(OBJCOPY) -S -O binary $@.out $@
...@@ -111,7 +118,8 @@ mkfs: mkfs.c fs.h ...@@ -111,7 +118,8 @@ mkfs: mkfs.c fs.h
gcc -m32 -Werror -Wall -o mkfs mkfs.c gcc -m32 -Werror -Wall -o mkfs mkfs.c
fs.img: mkfs README $(UPROGS) fs.img: mkfs README $(UPROGS)
./mkfs fs.img README $(UPROGS) @echo " MKFS $@"
$(Q)./mkfs $@ README $(UPROGS)
mscan.syms: kernel mscan.syms: kernel
$(NM) -S $< > $@ $(NM) -S $< > $@
...@@ -120,18 +128,20 @@ mscan.kern: kernel ...@@ -120,18 +128,20 @@ mscan.kern: kernel
cp $< $@ cp $< $@
-include *.d -include *.d
-include $(O)/*.d
.PHONY: clean qemu gdb ud0 josmp .PRECIOUS: $(O)/%.o
.PHONY: clean qemu gdb rsync
## ##
## qemu ## qemu
## ##
QEMUOPTS = -smp $(QEMUSMP) -m 512 -serial mon:stdio -nographic QEMUOPTS = -smp $(QEMUSMP) -m 512 -serial mon:stdio -nographic
qemu: kernel qemu: $(O)/kernel
$(QEMU) $(QEMUOPTS) -kernel kernel $(QEMU) $(QEMUOPTS) -kernel $(O)/kernel
gdb: kernel gdb: $(O)/kernel
$(QEMU) $(QEMUOPTS) -kernel kernel -S -s $(QEMU) $(QEMUOPTS) -kernel $(O)/kernel -S -s
## ##
## mtrace ## mtrace
...@@ -148,8 +158,8 @@ mscan.out: $(QEMUSRC)/mtrace-tools/mscan mtrace.out ...@@ -148,8 +158,8 @@ mscan.out: $(QEMUSRC)/mtrace-tools/mscan mtrace.out
mscan.sorted: mscan.out $(QEMUSRC)/mtrace-tools/sersec-sort mscan.sorted: mscan.out $(QEMUSRC)/mtrace-tools/sersec-sort
$(QEMUSRC)/mtrace-tools/sersec-sort < $< > $@ $(QEMUSRC)/mtrace-tools/sersec-sort < $< > $@
josmp ud0: kernel rsync: $(O)/kernel
rsync -avP kernel amsterdam.csail.mit.edu:/tftpboot/$@/kernel.xv6 rsync -avP $(O)/kernel amsterdam.csail.mit.edu:/tftpboot/$(HW)/kernel.xv6
clean: clean:
rm -f *.o *.d *.asm *.sym initcode kernel bootother mkfs fs.img _* rm -fr $(O) *.d *.asm *.sym initcode kernel bootother mkfs fs.img
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