aboutsummaryrefslogtreecommitdiff
path: root/arch/cris/Makefile
blob: e6bf00c262e06fa5f1ec94d2420c38df8a76d7d6 (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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
# $Id: Makefile,v 1.28 2005/03/17 10:44:37 larsv Exp $
# cris/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.

# A bug in ld prevents us from having a (constant-value) symbol in a
# "ORIGIN =" or "LENGTH =" expression.

arch-y := v10
arch-$(CONFIG_ETRAX_ARCH_V10) := v10
arch-$(CONFIG_ETRAX_ARCH_V32) := v32

# No config avaiable for make clean etc
ifneq ($(arch-y),)
SARCH := arch-$(arch-y)
else
SARCH :=
endif

LD = $(CROSS_COMPILE)ld -mcrislinux

OBJCOPYFLAGS := -O binary -R .note -R .comment -S

CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
KBUILD_AFLAGS += -mlinux

KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe

ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
KBUILD_CFLAGS += -fno-omit-frame-pointer
endif

head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o

LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)

core-y		+= arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
core-y		+= arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
drivers-y	+= arch/$(ARCH)/$(SARCH)/drivers/
libs-y		+= arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)

# cris source path
SRC_ARCH              = $(srctree)/arch/$(ARCH)
# cris object files path
OBJ_ARCH              = $(objtree)/arch/$(ARCH)

target_boot_arch_dir  = $(OBJ_ARCH)/$(SARCH)/boot
target_boot_dir       = $(OBJ_ARCH)/boot
src_boot_dir          = $(SRC_ARCH)/boot
target_compressed_dir = $(OBJ_ARCH)/boot/compressed
src_compressed_dir    = $(SRC_ARCH)/boot/compressed
target_rescue_dir     = $(OBJ_ARCH)/boot/rescue
src_rescue_dir        = $(SRC_ARCH)/boot/rescue

export target_boot_arch_dir target_boot_dir src_boot_dir target_compressed_dir src_compressed_dir target_rescue_dir src_rescue_dir

vmlinux.bin: vmlinux
	$(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux.bin

timage: vmlinux.bin
	cat vmlinux.bin cramfs.img >timage

simimage: timage
	cp vmlinux.bin simvmlinux.bin

# the following will remake timage without compiling the kernel
# it does of course require that all object files exist...

cramfs:
## cramfs      - Creates a cramfs image
	mkcramfs -b 8192 -m romfs_meta.txt root cramfs.img
	cat vmlinux.bin cramfs.img >timage

clinux: vmlinux.bin decompress.bin rescue.bin

decompress.bin: $(target_boot_dir)
	@$(MAKE) -f $(src_compressed_dir)/Makefile $(target_compressed_dir)/decompress.bin

$(target_rescue_dir)/rescue.bin: $(target_boot_dir)
	@$(MAKE) -f $(src_rescue_dir)/Makefile $(target_rescue_dir)/rescue.bin

zImage: $(target_boot_dir) vmlinux.bin $(target_rescue_dir)/rescue.bin
## zImage     - Compressed kernel (gzip)
	@$(MAKE) -f $(src_boot_dir)/Makefile zImage

$(target_boot_dir): $(target_boot_arch_dir)
	ln -sfn $< $@

$(target_boot_arch_dir):
	mkdir -p $@

compressed: zImage

archmrproper:
archclean:
	@if [ -d arch/$(ARCH)/boot ]; then \
		$(MAKE) $(clean)=arch/$(ARCH)/boot ; \
	fi
	rm -f timage vmlinux.bin decompress.bin rescue.bin cramfs.img
	rm -rf $(LD_SCRIPT).tmp

archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch

# Create some links to make all tools happy
$(SRC_ARCH)/.links:
	@rm -rf $(SRC_ARCH)/drivers
	@ln -sfn $(SRC_ARCH)/$(SARCH)/drivers $(SRC_ARCH)/drivers
	@rm -rf $(SRC_ARCH)/boot
	@ln -sfn $(SRC_ARCH)/$(SARCH)/boot $(SRC_ARCH)/boot
	@rm -rf $(SRC_ARCH)/lib
	@ln -sfn $(SRC_ARCH)/$(SARCH)/lib $(SRC_ARCH)/lib
	@ln -sfn $(SRC_ARCH)/$(SARCH) $(SRC_ARCH)/arch
	@ln -sfn $(SRC_ARCH)/$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
	@ln -sfn $(SRC_ARCH)/$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
	@touch $@

# Create link to sub arch includes
$(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
	@echo '  Making $(srctree)/include/asm-$(ARCH)/arch -> $(srctree)/include/asm-$(ARCH)/$(SARCH) symlink'
	@rm -f include/asm-$(ARCH)/arch
	@ln -sf $(srctree)/include/asm-$(ARCH)/$(SARCH) $(srctree)/include/asm-$(ARCH)/arch
	@touch $@