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8e1a6dd2 CZ |
1 | # |
2 | # This file is subject to the terms and conditions of the GNU General Public | |
3 | # License. See the file "COPYING" in the main directory of this archive | |
4 | # for more details. | |
5 | # | |
6 | # Copyright (C) 2001 - 2005 Tensilica Inc. | |
420ae951 | 7 | # Copyright (C) 2014 Cadence Design Systems Inc. |
8e1a6dd2 CZ |
8 | # |
9 | # This file is included by the global makefile so that you can add your own | |
10 | # architecture-specific flags and dependencies. Remember to do have actions | |
11 | # for "archclean" and "archdep" for cleaning up and making dependencies for | |
12 | # this architecture | |
13 | ||
14 | # Core configuration. | |
173d6681 | 15 | # (Use VAR=<xtensa_config> to use another default compiler.) |
8e1a6dd2 | 16 | |
420ae951 | 17 | variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) |
8e1a6dd2 | 18 | |
173d6681 CZ |
19 | VARIANT = $(variant-y) |
20 | export VARIANT | |
8e1a6dd2 | 21 | |
70cefe76 GU |
22 | # Test for cross compiling |
23 | ||
24 | ifneq ($(VARIANT),) | |
25 | COMPILE_ARCH = $(shell uname -m) | |
26 | ||
27 | ifneq ($(COMPILE_ARCH), xtensa) | |
28 | ifndef CROSS_COMPILE | |
29 | CROSS_COMPILE = xtensa_$(VARIANT)- | |
30 | endif | |
31 | endif | |
32 | endif | |
33 | ||
8e1a6dd2 CZ |
34 | # Platform configuration |
35 | ||
8e1a6dd2 CZ |
36 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
37 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss | |
0d456bad | 38 | platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga |
8e1a6dd2 CZ |
39 | |
40 | PLATFORM = $(platform-y) | |
41 | export PLATFORM | |
42 | ||
b2444d34 | 43 | # temporarily until string.h is fixed |
a753cd9a | 44 | KBUILD_CFLAGS += -ffreestanding -D__linux__ |
f8f02ca7 | 45 | KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals |
cf1c0aaf | 46 | KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
7bf5234d | 47 | KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,) |
cf1c0aaf | 48 | |
f8f02ca7 MF |
49 | KBUILD_AFLAGS += -mlongcalls -mtext-section-literals |
50 | ||
65501622 | 51 | ifneq ($(CONFIG_LD_NO_RELAX),) |
d503ac53 | 52 | KBUILD_LDFLAGS := --no-relax |
65501622 CZ |
53 | endif |
54 | ||
123f15e6 | 55 | ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) |
72100ed7 | 56 | CHECKFLAGS += -D__XTENSA_EB__ |
4611bf7e | 57 | KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN |
72100ed7 | 58 | endif |
123f15e6 | 59 | ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) |
72100ed7 | 60 | CHECKFLAGS += -D__XTENSA_EL__ |
4611bf7e | 61 | KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN |
72100ed7 MF |
62 | endif |
63 | ||
367b8112 CZ |
64 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
65 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) | |
66 | ||
367b8112 | 67 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) |
367b8112 | 68 | |
e7d163f7 | 69 | KBUILD_DEFCONFIG := iss_defconfig |
8e1a6dd2 | 70 | |
f1933189 CZ |
71 | # Only build variant and/or platform if it includes a Makefile |
72 | ||
0eff08b5 GU |
73 | buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) |
74 | buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) | |
f1933189 CZ |
75 | |
76 | # Find libgcc.a | |
8e1a6dd2 | 77 | |
a0f97e06 | 78 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
8e1a6dd2 CZ |
79 | |
80 | head-y := arch/xtensa/kernel/head.o | |
e7d163f7 | 81 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
f1933189 | 82 | core-y += $(buildvar) $(buildplf) |
37c8a5fa | 83 | core-y += arch/xtensa/boot/dts/ |
f1933189 | 84 | |
8e1a6dd2 | 85 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
e6ffe17e | 86 | drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ |
8e1a6dd2 | 87 | |
e7d163f7 CZ |
88 | boot := arch/xtensa/boot |
89 | ||
7af710d9 | 90 | all Image zImage uImage xipImage: vmlinux |
8e1a6dd2 CZ |
91 | $(Q)$(MAKE) $(build)=$(boot) $@ |
92 | ||
5eacadb5 FK |
93 | archheaders: |
94 | $(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all | |
95 | ||
8e1a6dd2 | 96 | define archhelp |
9a736fcb | 97 | @echo '* Image - Kernel ELF image with reset vector' |
8e1a6dd2 | 98 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
9a736fcb | 99 | @echo '* uImage - U-Boot wrapped image' |
7af710d9 | 100 | @echo ' xipImage - XIP image' |
8e1a6dd2 | 101 | endef |