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
|
#
# 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.
#
# Copyright (C) 2001 - 2005 Tensilica Inc.
#
# 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
# Core configuration.
# (Use VAR=<xtensa_config> to use another default compiler.)
variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
VARIANT = $(variant-y)
export VARIANT
# Platform configuration
platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
PLATFORM = $(platform-y)
export PLATFORM
# temporarily until string.h is fixed
KBUILD_CFLAGS += -ffreestanding
KBUILD_CFLAGS += -pipe -mlongcalls
vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
ifeq ($(KBUILD_SRC),)
KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
else
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
endif
KBUILD_DEFCONFIG := iss_defconfig
# ramdisk/initrd support
# You need a compressed ramdisk image, named ramdisk.gz in
# arch/xtensa/boot/ramdisk
core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/
# Test for cross compiling
ifneq ($(VARIANT),)
COMPILE_ARCH = $(shell uname -m)
ifneq ($(COMPILE_ARCH), xtensa)
ifndef CROSS_COMPILE
CROSS_COMPILE = xtensa_$(VARIANT)-
endif
endif
endif
#
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
head-y := arch/xtensa/kernel/head.o
core-y += arch/xtensa/kernel/ arch/xtensa/mm/
ifneq ($(VARIANT),)
core-y += arch/xtensa/variants/$(VARIANT)/
endif
ifneq ($(PLATFORM),)
core-y += arch/xtensa/platforms/$(PLATFORM)/
endif
libs-y += arch/xtensa/lib/ $(LIBGCC)
boot := arch/xtensa/boot
all: zImage
bzImage : zImage
zImage zImage.initrd: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
define archhelp
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
endef
|
