arm64: tizen_bcm2711_defconfig: Sync with savedefconfig
[platform/kernel/linux-rpi.git] / arch / arc / Makefile
1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4 #
5
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig
7
8 ifeq ($(CROSS_COMPILE),)
9 CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux-)
10 endif
11
12 cflags-y        += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
13
14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT)   := -mcpu=arc700
15 tune-mcpu-def-$(CONFIG_ISA_ARCV2)       := -mcpu=hs38
16
17 ifeq ($(CONFIG_ARC_TUNE_MCPU),"")
18 cflags-y                                += $(tune-mcpu-def-y)
19 else
20 tune-mcpu                               := $(shell echo $(CONFIG_ARC_TUNE_MCPU))
21 ifneq ($(call cc-option,$(tune-mcpu)),)
22 cflags-y                                += $(tune-mcpu)
23 else
24 # The flag provided by 'CONFIG_ARC_TUNE_MCPU' option isn't known by this compiler
25 # (probably the compiler is too old). Use ISA default mcpu flag instead as a safe option.
26 $(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU flag '$(tune-mcpu)' is unknown, fallback to '$(tune-mcpu-def-y)')
27 cflags-y                                += $(tune-mcpu-def-y)
28 endif
29 endif
30
31
32 ifdef CONFIG_ARC_CURR_IN_REG
33 # For a global register definition, make sure it gets passed to every file
34 # We had a customer reported bug where some code built in kernel was NOT using
35 # any kernel headers, and missing the r25 global register
36 # Can't do unconditionally because of recursive include issues
37 # due to <linux/thread_info.h>
38 LINUXINCLUDE    +=  -include $(srctree)/arch/arc/include/asm/current.h
39 endif
40
41 cflags-y                                += -fsection-anchors
42
43 cflags-$(CONFIG_ARC_HAS_LLSC)           += -mlock
44 cflags-$(CONFIG_ARC_HAS_SWAPE)          += -mswape
45
46 ifdef CONFIG_ISA_ARCV2
47
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS
49 cflags-y                                += -munaligned-access
50 else
51 cflags-y                                += -mno-unaligned-access
52 endif
53
54 ifndef CONFIG_ARC_HAS_LL64
55 cflags-y                                += -mno-ll64
56 endif
57
58 ifndef CONFIG_ARC_HAS_DIV_REM
59 cflags-y                                += -mno-div-rem
60 endif
61
62 endif
63
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_endproc,-DARC_DW2_UNWIND_AS_CFI)
65 cflags-$(CONFIG_ARC_DW2_UNWIND)         += -fasynchronous-unwind-tables $(cfi)
66
67 # small data is default for elf32 tool-chain. If not usable, disable it
68 # This also allows repurposing GP as scratch reg to gcc reg allocator
69 disable_small_data := y
70 cflags-$(disable_small_data)            += -mno-sdata -fcall-used-gp
71
72 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mbig-endian
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN)        += -EB
74
75 LIBGCC  = $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
76
77 # Modules with short calls might break for calls into builtin-kernel
78 KBUILD_CFLAGS_MODULE    += -mlong-calls -mno-millicode
79
80 # Finally dump eveything into kernel build system
81 KBUILD_CFLAGS   += $(cflags-y)
82 KBUILD_AFLAGS   += $(KBUILD_CFLAGS)
83 KBUILD_LDFLAGS  += $(ldflags-y)
84
85 head-y          := arch/arc/kernel/head.o
86
87 # w/o this dtb won't embed into kernel binary
88 core-y          += arch/arc/boot/dts/
89
90 core-y                          += arch/arc/plat-sim/
91 core-$(CONFIG_ARC_PLAT_TB10X)   += arch/arc/plat-tb10x/
92 core-$(CONFIG_ARC_PLAT_AXS10X)  += arch/arc/plat-axs10x/
93 core-$(CONFIG_ARC_SOC_HSDK)     += arch/arc/plat-hsdk/
94
95 libs-y          += arch/arc/lib/ $(LIBGCC)
96
97 boot            := arch/arc/boot
98
99 boot_targets := uImage.bin uImage.gz uImage.lzma
100
101 PHONY += $(boot_targets)
102 $(boot_targets): vmlinux
103         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
104
105 uimage-default-y                        := uImage.bin
106 uimage-default-$(CONFIG_KERNEL_GZIP)    := uImage.gz
107 uimage-default-$(CONFIG_KERNEL_LZMA)    := uImage.lzma
108
109 PHONY += uImage
110 uImage: $(uimage-default-y)
111         @ln -sf $< $(boot)/uImage
112         @$(kecho) '  Image $(boot)/uImage is ready'
113
114 CLEAN_FILES += $(boot)/uImage
115
116 archclean:
117         $(Q)$(MAKE) $(clean)=$(boot)