1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn
4 #
5
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig
7
8 ifeq ($(CROSS_COMPILE),)
9 CROSS_COMPILE := $(call cc-cross-prefix, arc-l
10 endif
11
12 cflags-y += -fno-common -pipe -fno-buil
13
14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mc
15 tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mc
16
17 ifeq ($(CONFIG_ARC_TUNE_MCPU),)
18 cflags-y += $(t
19 else
20 tune-mcpu := $(C
21 ifneq ($(call cc-option,$(tune-mcpu)),)
22 cflags-y += $(t
23 else
24 # The flag provided by 'CONFIG_ARC_TUNE_MCPU'
25 # (probably the compiler is too old). Use ISA
26 $(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU f
27 cflags-y += $(t
28 endif
29 endif
30
31 ifdef CONFIG_ARC_CURR_IN_REG
32 # For a global register definition, make sure
33 # We had a customer reported bug where some co
34 # any kernel headers, and missing the global r
35 # Can't do unconditionally because of recursiv
36 # due to <linux/thread_info.h>
37 LINUXINCLUDE += -include $(srctree)/arch/a
38 cflags-y += -ffixed-gp
39 endif
40
41 cflags-y += -fs
42
43 cflags-$(CONFIG_ARC_HAS_LLSC) += -ml
44 cflags-$(CONFIG_ARC_HAS_SWAPE) += -ms
45
46 ifdef CONFIG_ISA_ARCV2
47
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS
49 cflags-y += -mu
50 else
51 cflags-y += -mn
52 endif
53
54 ifndef CONFIG_ARC_HAS_LL64
55 cflags-y += -mn
56 endif
57
58 ifndef CONFIG_ARC_HAS_DIV_REM
59 cflags-y += -mn
60 endif
61
62 endif
63
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en
65 cflags-$(CONFIG_ARC_DW2_UNWIND) += -fa
66
67 # small data is default for elf32 tool-chain.
68 # This also allows repurposing GP as scratch r
69 disable_small_data := y
70 cflags-$(disable_small_data) += -mn
71
72 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
74
75 LIBGCC = $(shell $(CC) $(cflags-y) --print-li
76
77 # Modules with short calls might break for cal
78 KBUILD_CFLAGS_MODULE += -mlong-calls -mno-m
79
80 # Finally dump eveything into kernel build sys
81 KBUILD_CFLAGS += $(cflags-y)
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS)
83 KBUILD_LDFLAGS += $(ldflags-y)
84
85 # w/o this dtb won't embed into kernel binary
86 core-y += arch/arc/boot/dts/
87
88 core-y += arch/arc/pl
89 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/pl
90 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/pl
91 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/pl
92
93 libs-y += arch/arc/lib/ $(LIBGCC)
94
95 boot := arch/arc/boot
96
97 boot_targets := uImage.bin uImage.gz uImage.lz
98
99 PHONY += $(boot_targets)
100 $(boot_targets): vmlinux
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$
102
103 uimage-default-y := uIm
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm
105 uimage-default-$(CONFIG_KERNEL_LZMA) := uIm
106
107 PHONY += uImage
108 uImage: $(uimage-default-y)
109 @ln -sf $< $(boot)/uImage
110 @$(kecho) ' Image $(boot)/uImage is r
111
112 CLEAN_FILES += $(boot)/uImage
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