1 #
2 # This file is subject to the terms and condit
3 # License. See the file "COPYING" in the main
4 # for more details.
5 #
6 # Copyright (C) 2001 - 2005 Tensilica Inc.
7 # Copyright (C) 2014 Cadence Design Systems In
8 #
9 # This file is included by the global makefile
10 # architecture-specific flags and dependencies
11
12 # Core configuration.
13 # (Use VAR=<xtensa_config> to use another defa
14
15 variant-y := $(CONFIG_XTENSA_VARIANT_NAME)
16
17 VARIANT = $(variant-y)
18
19 ifneq ($(VARIANT),)
20 ifdef cross_compiling
21 ifndef CROSS_COMPILE
22 CROSS_COMPILE = xtensa_$(VARIANT)-
23 endif
24 endif
25 endif
26
27 # Platform configuration
28
29 platform-$(CONFIG_XTENSA_PLATFORM_XT2000)
30 platform-$(CONFIG_XTENSA_PLATFORM_ISS)
31 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA)
32
33 # temporarily until string.h is fixed
34 KBUILD_CFLAGS += -ffreestanding -D__linux__
35 KBUILD_CFLAGS += -pipe -mlongcalls -mtext-sect
36 KBUILD_CFLAGS += $(call cc-option,-mforce-no-p
37 KBUILD_CFLAGS += $(call cc-option,-mno-seriali
38 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic,)
39 ifneq ($(CONFIG_KERNEL_ABI_CALL0),)
40 KBUILD_CFLAGS += -mabi=call0
41 KBUILD_AFLAGS += -mabi=call0
42 endif
43
44 KBUILD_AFLAGS += -mlongcalls -mtext-section-li
45 KBUILD_AFLAGS += $(call cc-option,-mno-fdpic,)
46
47 KBUILD_LDFLAGS += -m elf32xtensa
48
49 ifneq ($(CONFIG_LD_NO_RELAX),)
50 KBUILD_LDFLAGS += --no-relax
51 endif
52
53 CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),
54
55 vardirs := $(patsubst %,arch/xtensa/variants/%
56 plfdirs := $(patsubst %,arch/xtensa/platforms/
57
58 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%
59
60 KBUILD_DEFCONFIG := iss_defconfig
61
62 libs-y += arch/xtensa/lib/
63
64 boot := arch/xtensa/boot
65
66 all Image zImage uImage xipImage: vmlinux
67 $(Q)$(MAKE) $(build)=$(boot) $@
68
69 archheaders:
70 $(Q)$(MAKE) $(build)=arch/xtensa/kerne
71
72 define archhelp
73 @echo '* Image - Kernel ELF image with
74 @echo '* zImage - Compressed kernel ima
75 @echo '* uImage - U-Boot wrapped image'
76 @echo ' xipImage - XIP image'
77 endef
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