1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # sparc/Makefile 2 # sparc/Makefile
4 # 3 #
5 # Makefile for the architecture dependent flag 4 # Makefile for the architecture dependent flags and dependencies on the
6 # Sparc and sparc64. !! 5 # Sparc.
7 # 6 #
8 # Copyright (C) 1994,1996,1998 David S. Miller !! 7 # Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.l <<
10 <<
11 # We are not yet configured - so test on arch <<
12 ifeq ($(ARCH),sparc64) <<
13 KBUILD_DEFCONFIG := sparc64_defconfig <<
14 else <<
15 KBUILD_DEFCONFIG := sparc32_defconfig <<
16 endif <<
17 <<
18 ifeq ($(CONFIG_SPARC32),y) <<
19 ##### <<
20 # sparc32 <<
21 # 8 #
22 9
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 d <<
29 # versions of gcc. Some gcc versions won't pa <<
30 # give -mcpu=v8. This silently worked with ol <<
31 # does not any more. <<
32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu <<
33 KBUILD_CFLAGS += -Wa,-Av8 <<
34 <<
35 KBUILD_AFLAGS += -m32 -Wa,-Av8 <<
36 <<
37 else <<
38 ##### <<
39 # sparc64 <<
40 # 10 #
>> 11 # Uncomment the first CFLAGS if you are doing kgdb source level
>> 12 # debugging of the kernel to get the proper debugging information.
41 13
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D !! 14 IS_EGCS := $(shell if $(CC) -m32 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
43 KBUILD_LDFLAGS := -m elf64_sparc !! 15 NEW_GAS := $(shell if $(LD) --version 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
44 export BITS := 64 <<
45 UTS_MACHINE := sparc64 <<
46 <<
47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ult <<
48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall- <<
49 KBUILD_CFLAGS += -Wa,--undeclared-regs <<
50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultra <<
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--u <<
52 16
53 ifeq ($(CONFIG_MCOUNT),y) !! 17 ifeq ($(NEW_GAS),y)
54 KBUILD_CFLAGS += -pg !! 18 AS := $(AS) -32
>> 19 LDFLAGS := -m elf32_sparc
55 endif 20 endif
56 21
>> 22 #CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
>> 23 ifneq ($(IS_EGCS),y)
>> 24 CFLAGS := $(CFLAGS) -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
>> 25 else
>> 26 CFLAGS := $(CFLAGS) -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
>> 27 AFLAGS := $(AFLAGS) -m32
57 endif 28 endif
58 29
59 libs-y += arch/sparc/prom/ !! 30 #LDFLAGS_vmlinux = -N -Ttext 0xf0004000
60 libs-y += arch/sparc/lib/ !! 31 # Since 2.5.40, the first stage is left not btfix-ed.
>> 32 # Actual linking is done with "make image".
>> 33 LDFLAGS_vmlinux = -r
>> 34
>> 35 head-y := arch/sparc/kernel/head.o arch/sparc/kernel/init_task.o
>> 36 HEAD_Y := $(head-y)
>> 37
>> 38 core-y += arch/sparc/kernel/ arch/sparc/mm/ arch/sparc/math-emu/
>> 39 libs-y += arch/sparc/prom/ arch/sparc/lib/
>> 40
>> 41 # Export what is needed by arch/sparc/boot/Makefile
>> 42 # Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-)
>> 43 INIT_Y := $(patsubst %/, %/built-in.o, $(init-y))
>> 44 CORE_Y := $(core-y)
>> 45 CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/
>> 46 CORE_Y := $(patsubst %/, %/built-in.o, $(CORE_Y))
>> 47 DRIVERS_Y := $(patsubst %/, %/built-in.o, $(drivers-y))
>> 48 NET_Y := $(patsubst %/, %/built-in.o, $(net-y))
>> 49 LIBS_Y1 := $(patsubst %/, %/lib.a, $(libs-y))
>> 50 LIBS_Y2 := $(patsubst %/, %/built-in.o, $(libs-y))
>> 51 LIBS_Y := $(LIBS_Y1) $(LIBS_Y2)
>> 52 export INIT_Y CORE_Y DRIVERS_Y NET_Y LIBS_Y HEAD_Y
61 53
62 drivers-$(CONFIG_PM) += arch/sparc/power/ !! 54 # Default target
63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ !! 55 all: image
64 56
65 boot := arch/sparc/boot 57 boot := arch/sparc/boot
66 58
67 # Default target !! 59 image tftpboot.img: vmlinux
68 all: zImage <<
69 <<
70 image zImage uImage tftpboot.img vmlinux.aout: <<
71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 60 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
72 61
73 install: !! 62 archclean:
74 $(call cmd,install) !! 63 $(Q)$(MAKE) $(clean)=$(boot)
>> 64
>> 65 prepare: include/asm-$(ARCH)/asm_offsets.h
75 66
76 archheaders: !! 67 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
77 $(Q)$(MAKE) $(build)=arch/sparc/kernel !! 68 include/config/MARKER
78 69
79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/ !! 70 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/ !! 71 $(call filechk,gen-asm-offsets)
81 72
82 # This is the image used for packaging !! 73 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h \
83 KBUILD_IMAGE := $(boot)/zImage !! 74 arch/$(ARCH)/kernel/asm-offsets.s
84 75
85 # Don't use tabs in echo arguments. 76 # Don't use tabs in echo arguments.
86 define archhelp 77 define archhelp
87 echo '* vmlinux - standard SPARC kerne !! 78 echo '* image - kernel image ($(boot)/image)'
88 echo ' image - kernel image ($(boot <<
89 echo '* zImage - stripped/compressed <<
90 echo ' uImage - U-Boot SPARC32 Image <<
91 echo ' vmlinux.aout - a.out kernel for SPA <<
92 echo ' tftpboot.img - image prepared for t 79 echo ' tftpboot.img - image prepared for tftp'
93 endef 80 endef
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