1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 2 # alpha/Makefile
>> 3 #
>> 4 # This file is subject to the terms and conditions of the GNU General Public
>> 5 # License. See the file "COPYING" in the main directory of this archive
>> 6 # for more details.
>> 7 #
>> 8 # Copyright (C) 1994 by Linus Torvalds
4 # 9 #
5 10
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig !! 11 NM := $(NM) -B
7 <<
8 ifeq ($(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 12
67 # small data is default for elf32 tool-chain. !! 13 LDFLAGS_vmlinux := -static -N #-relax
68 # This also allows repurposing GP as scratch r !! 14 CHECKFLAGS += -D__alpha__
69 disable_small_data := y !! 15 cflags-y := -pipe -mno-fp-regs -ffixed-8
70 cflags-$(disable_small_data) += -mn !! 16 cflags-y += $(call cc-option, -fno-jump-tables)
71 17
72 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb !! 18 cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB !! 19 cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
>> 20 cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
>> 21 cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
>> 22 cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
>> 23 cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
>> 24 cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
>> 25 # If GENERIC, make sure to turn off any instruction set extensions that
>> 26 # the host compiler might have on by default. Given that EV4 and EV5
>> 27 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 28 # more likely to keep an EV4 processor busy than vice-versa.
>> 29 cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5
74 30
75 LIBGCC = $(shell $(CC) $(cflags-y) --print-li !! 31 cflags-y += $(cpuflags-y)
76 32
77 # Modules with short calls might break for cal <<
78 KBUILD_CFLAGS_MODULE += -mlong-calls -mno-m <<
79 33
80 # Finally dump eveything into kernel build sys !! 34 # For TSUNAMI, we must have the assembler not emulate our instructions.
81 KBUILD_CFLAGS += $(cflags-y) !! 35 # The same is true for IRONGATE, POLARIS, PYXIS.
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS) !! 36 # BWX is most important, but we don't really want any emulation ever.
83 KBUILD_LDFLAGS += $(ldflags-y) !! 37 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
84 38
85 # w/o this dtb won't embed into kernel binary !! 39 libs-y += arch/alpha/lib/
86 core-y += arch/arc/boot/dts/ <<
87 40
88 core-y += arch/arc/pl !! 41 # export what is needed by arch/alpha/boot/Makefile
89 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/pl !! 42 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
90 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/pl !! 43 export LIBS_Y
91 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/pl <<
92 44
93 libs-y += arch/arc/lib/ $(LIBGCC) !! 45 boot := arch/alpha/boot
94 46
95 boot := arch/arc/boot !! 47 #Default target when executing make with no arguments
>> 48 all boot: $(boot)/vmlinux.gz
96 49
97 boot_targets := uImage.bin uImage.gz uImage.lz !! 50 $(boot)/vmlinux.gz: vmlinux
>> 51 $(Q)$(MAKE) $(build)=$(boot) $@
98 52
99 PHONY += $(boot_targets) !! 53 bootimage bootpfile bootpzfile: vmlinux
100 $(boot_targets): vmlinux <<
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 54 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
102 55
103 uimage-default-y := uIm !! 56 archheaders:
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm !! 57 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
105 uimage-default-$(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 58
112 CLEAN_FILES += $(boot)/uImage !! 59 define archhelp
>> 60 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
>> 61 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
>> 62 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
>> 63 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
>> 64 endef
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