>> 1 # SPDX-License-Identifier: GPL-2.0
1 # 2 #
2 # This file is included by the global makefile !! 3 # sparc/Makefile
3 # architecture-specific flags and dependencies <<
4 # 4 #
5 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{ !! 5 # Makefile for the architecture dependent flags and dependencies on the
6 # Licensed under the GPL !! 6 # Sparc and sparc64.
7 # 7 #
>> 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
>> 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
8 10
9 # select defconfig based on actual architectur !! 11 # We are not yet configured - so test on arch
10 ifeq ($(SUBARCH),x86) !! 12 ifeq ($(ARCH),sparc64)
11 ifeq ($(shell uname -m),x86_64) !! 13 KBUILD_DEFCONFIG := sparc64_defconfig
12 KBUILD_DEFCONFIG := x86_64_defconfig <<
13 else <<
14 KBUILD_DEFCONFIG := i386_defconfig <<
15 endif <<
16 else 14 else
17 KBUILD_DEFCONFIG := $(SUBARCH)_defconf !! 15 KBUILD_DEFCONFIG := sparc32_defconfig
18 endif 16 endif
19 17
20 ARCH_DIR := arch/um !! 18 ifeq ($(CONFIG_SPARC32),y)
21 # We require bash because the vmlinux link and !! 19 #####
22 # features. !! 20 # sparc32
23 SHELL := bash !! 21 #
>> 22
>> 23 CHECKFLAGS += -D__sparc__
>> 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
24 34
25 MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/in !! 35 KBUILD_AFLAGS += -m32 -Wa,-Av8
26 36
27 HEADER_ARCH := $(SUBARCH) !! 37 else
>> 38 #####
>> 39 # sparc64
>> 40 #
>> 41
>> 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
>> 43 KBUILD_LDFLAGS := -m elf64_sparc
>> 44 export BITS := 64
>> 45 UTS_MACHINE := sparc64
>> 46
>> 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
>> 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
>> 49 KBUILD_CFLAGS += -Wa,--undeclared-regs
>> 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
>> 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
28 52
29 ifneq ($(filter $(SUBARCH),x86 x86_64 i386),) !! 53 ifeq ($(CONFIG_MCOUNT),y)
30 HEADER_ARCH := x86 !! 54 KBUILD_CFLAGS += -pg
31 endif 55 endif
32 56
33 ifdef CONFIG_64BIT <<
34 KBUILD_CFLAGS += -mcmodel=large <<
35 endif 57 endif
36 58
37 HOST_DIR := arch/$(HEADER_ARCH) !! 59 libs-y += arch/sparc/prom/
>> 60 libs-y += arch/sparc/lib/
38 61
39 include $(srctree)/$(ARCH_DIR)/Makefile-skas !! 62 drivers-$(CONFIG_PM) += arch/sparc/power/
40 include $(srctree)/$(HOST_DIR)/Makefile.um !! 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/
41 64
42 core-y += $(HOST_DIR)/um/ !! 65 boot := arch/sparc/boot
43 66
44 SHARED_HEADERS := $(ARCH_DIR)/include/shared !! 67 # Default target
45 ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADE !! 68 all: zImage
46 ARCH_INCLUDE += -I$(srctree)/$(HOST_DIR)/um <<
47 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/um <<
48 69
49 # -Dvmap=kernel_vmap prevents anything from re !! 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
50 # named - it's a common symbol in libpcap, so !! 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
51 # <<
52 # Same things for in6addr_loopback and mktime <<
53 # only get link-time error, luckily. <<
54 # <<
55 # -Dlongjmp=kernel_longjmp prevents anything f <<
56 # embedded copy of longjmp, same thing for set <<
57 # <<
58 # These apply to USER_CFLAGS to. <<
59 72
60 KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arc !! 73 install:
61 $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap !! 74 $(call cmd,install)
62 -Dlongjmp=kernel_longjmp -Dsetjmp=kern <<
63 -Din6addr_loopback=kernel_in6addr_loop <<
64 -Din6addr_any=kernel_in6addr_any -Dstr <<
65 <<
66 KBUILD_RUSTFLAGS += -Crelocation-model=pie <<
67 <<
68 KBUILD_AFLAGS += $(ARCH_INCLUDE) <<
69 <<
70 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$( <<
71 $(ARCH_INCLUDE) $(MODE_INCLUDE <<
72 -D_FILE_OFFSET_BITS=64 -idiraf <<
73 -idirafter $(objtree)/include <<
74 <<
75 #This will adjust *FLAGS accordingly to the pl <<
76 include $(srctree)/$(ARCH_DIR)/Makefile-os-Lin <<
77 <<
78 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/in <<
79 -I$(srctree)/$(HOST_DIR)/in <<
80 -I$(objtree)/$(HOST_DIR)/in <<
81 -I$(objtree)/$(HOST_DIR)/in <<
82 <<
83 # -Derrno=kernel_errno - This turns all kernel <<
84 # kernel_errno to separate them from the libc <<
85 # in KBUILD_CFLAGS. Otherwise, it would cause <<
86 # errnos. <<
87 # These apply to kernelspace only. <<
88 # <<
89 # strip leading and trailing whitespace to mak <<
90 # defines more robust <<
91 <<
92 KERNEL_DEFINES = $(strip -Derrno=kernel_errno <<
93 -Dmktime=kernel_mktim <<
94 KBUILD_CFLAGS += $(KERNEL_DEFINES) <<
95 75
96 PHONY += linux !! 76 archheaders:
>> 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
97 78
98 all: linux !! 79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg
>> 80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg
99 81
100 linux: vmlinux !! 82 # This is the image used for packaging
101 @echo ' LINK $@' !! 83 KBUILD_IMAGE := $(boot)/zImage
102 $(Q)ln -f $< $@ <<
103 84
>> 85 # Don't use tabs in echo arguments.
104 define archhelp 86 define archhelp
105 echo '* linux - Binary kernel image !! 87 echo '* vmlinux - standard SPARC kernel'
106 echo ' compatibility only, !! 88 echo ' image - kernel image ($(boot)/image)'
107 echo ' real kernel binary, !! 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)'
108 echo ' find in the kernel !! 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'
109 endef 93 endef
110 <<
111 archheaders: <<
112 $(Q)$(MAKE) -f $(srctree)/Makefile ARC <<
113 <<
114 archprepare: <<
115 $(Q)$(MAKE) $(build)=$(HOST_DIR)/um in <<
116 <<
117 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static <<
118 ifdef CONFIG_LD_SCRIPT_DYN <<
119 LINK-$(call gcc-min-version, 60100)$(CONFIG_CC <<
120 endif <<
121 LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpa <<
122 <<
123 CFLAGS_NO_HARDENING := $(call cc-option, -fno- <<
124 -fno-stack-protector $(call cc-option, <<
125 <<
126 # Options used by linker script <<
127 export LDS_START := $(START) <<
128 export LDS_ELF_ARCH := $(ELF_ARCH) <<
129 export LDS_ELF_FORMAT := $(ELF_FORMAT) <<
130 <<
131 # The wrappers will select whether using "mall <<
132 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free <<
133 <<
134 # Avoid binutils 2.39+ warnings by marking the <<
135 # ignorning warnings for the kallsyms sections <<
136 LDFLAGS_EXECSTACK = -z noexecstack <<
137 ifeq ($(CONFIG_LD_IS_BFD),y) <<
138 LDFLAGS_EXECSTACK += $(call ld-option,--no-war <<
139 endif <<
140 <<
141 LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFL <<
142 <<
143 # Used by link-vmlinux.sh which has special su <<
144 export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAP <<
145 <<
146 # When cleaning we don't include .config, so w <<
147 # TT or skas makefiles and don't clean skas_pt <<
148 CLEAN_FILES += linux x.i gmon.out <<
149 MRPROPER_FILES += $(HOST_DIR)/include/generate <<
150 <<
151 archclean: <<
152 @find . \( -name '*.bb' -o -name '*.bb <<
153 -o -name '*.gcov' \) -type f - <<
154 <<
155 export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_ <<
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