1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 3 # sparc/Makefile
4 # 4 #
>> 5 # Makefile for the architecture dependent flags and dependencies on the
>> 6 # Sparc and sparc64.
>> 7 #
>> 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
>> 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
5 10
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig !! 11 # We are not yet configured - so test on arch
7 !! 12 ifeq ($(ARCH),sparc64)
8 ifeq ($(CROSS_COMPILE),) !! 13 KBUILD_DEFCONFIG := sparc64_defconfig
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 14 else
20 tune-mcpu := $(C !! 15 KBUILD_DEFCONFIG := sparc32_defconfig
21 ifneq ($(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 += $(t <<
28 endif <<
29 endif 16 endif
30 17
31 ifdef CONFIG_ARC_CURR_IN_REG !! 18 ifeq ($(CONFIG_SPARC32),y)
32 # For a global register definition, make sure !! 19 #####
33 # We had a customer reported bug where some co !! 20 # sparc32
34 # any kernel headers, and missing the global r !! 21 #
35 # Can't do unconditionally because of recursiv <<
36 # due to <linux/thread_info.h> <<
37 LINUXINCLUDE += -include $(srctree)/arch/a <<
38 cflags-y += -ffixed-gp <<
39 endif <<
40 <<
41 cflags-y += -fs <<
42 22
43 cflags-$(CONFIG_ARC_HAS_LLSC) += -ml !! 23 CHECKFLAGS += -D__sparc__
44 cflags-$(CONFIG_ARC_HAS_SWAPE) += -ms !! 24 KBUILD_LDFLAGS := -m elf32_sparc
>> 25 export BITS := 32
>> 26 UTS_MACHINE := sparc
>> 27
>> 28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
>> 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
>> 30 # give -mcpu=v8. This silently worked with older bintutils versions but
>> 31 # does not any more.
>> 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
>> 33 KBUILD_CFLAGS += -Wa,-Av8
45 34
46 ifdef CONFIG_ISA_ARCV2 !! 35 KBUILD_AFLAGS += -m32 -Wa,-Av8
47 36
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS <<
49 cflags-y += -mu <<
50 else 37 else
51 cflags-y += -mn !! 38 #####
52 endif !! 39 # sparc64
>> 40 #
53 41
54 ifndef CONFIG_ARC_HAS_LL64 !! 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
55 cflags-y += -mn !! 43 KBUILD_LDFLAGS := -m elf64_sparc
56 endif !! 44 export BITS := 64
>> 45 UTS_MACHINE := sparc64
57 46
58 ifndef CONFIG_ARC_HAS_DIV_REM !! 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
59 cflags-y += -mn !! 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
60 endif !! 49 KBUILD_CFLAGS += -Wa,--undeclared-regs
>> 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
>> 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
61 52
>> 53 ifeq ($(CONFIG_MCOUNT),y)
>> 54 KBUILD_CFLAGS += -pg
62 endif 55 endif
63 56
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en !! 57 endif
65 cflags-$(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 58
80 # Finally dump eveything into kernel build sys !! 59 libs-y += arch/sparc/prom/
81 KBUILD_CFLAGS += $(cflags-y) !! 60 libs-y += arch/sparc/lib/
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS) <<
83 KBUILD_LDFLAGS += $(ldflags-y) <<
84 61
85 # w/o this dtb won't embed into kernel binary !! 62 drivers-$(CONFIG_PM) += arch/sparc/power/
86 core-y += arch/arc/boot/dts/ !! 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/
87 64
88 core-y += arch/arc/pl !! 65 boot := arch/sparc/boot
89 core-$(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 66
93 libs-y += arch/arc/lib/ $(LIBGCC) !! 67 # Default target
>> 68 all: zImage
94 69
95 boot := arch/arc/boot !! 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
>> 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
96 72
97 boot_targets := uImage.bin uImage.gz uImage.lz !! 73 install:
>> 74 $(call cmd,install)
98 75
99 PHONY += $(boot_targets) !! 76 archheaders:
100 $(boot_targets): vmlinux !! 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
102 78
103 uimage-default-y := uIm !! 79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm !! 80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg
105 uimage-default-$(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 81
112 CLEAN_FILES += $(boot)/uImage !! 82 # This is the image used for packaging
>> 83 KBUILD_IMAGE := $(boot)/zImage
>> 84
>> 85 # Don't use tabs in echo arguments.
>> 86 define archhelp
>> 87 echo '* vmlinux - standard SPARC kernel'
>> 88 echo ' image - kernel image ($(boot)/image)'
>> 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)'
>> 90 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
>> 91 echo ' vmlinux.aout - a.out kernel for SPARC64'
>> 92 echo ' tftpboot.img - image prepared for tftp'
>> 93 endef
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.