1 # SPDX-License-Identifier: GPL-2.0-only !! 1 #
2 OBJCOPYFLAGS :=-O binary !! 2 # sparc/Makefile
3 GZFLAGS :=-9 !! 3 #
>> 4 # Makefile for the architecture dependent flags and dependencies on the
>> 5 # Sparc.
>> 6 #
>> 7 # Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
>> 8 #
>> 9
>> 10 #
>> 11 # Uncomment the first CFLAGS if you are doing kgdb source level
>> 12 # debugging of the kernel to get the proper debugging information.
>> 13
>> 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; )
>> 15 NEW_GAS := $(shell if $(LD) --version 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
>> 16
>> 17 ifeq ($(NEW_GAS),y)
>> 18 AS := $(AS) -32
>> 19 LDFLAGS := -m elf32_sparc
>> 20 endif
>> 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
>> 28 endif
>> 29
>> 30 #LDFLAGS_vmlinux = -N -Ttext 0xf0004000
>> 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) $(LIBS_Y2)
>> 52 export INIT_Y CORE_Y DRIVERS_Y NET_Y LIBS_Y HEAD_Y
4 53
5 ifdef CONFIG_CPU_HAS_FPU !! 54 # Default target
6 FPUEXT = f !! 55 all: image
7 endif <<
8 <<
9 ifdef CONFIG_CPU_HAS_VDSP <<
10 VDSPEXT = v <<
11 endif <<
12 <<
13 ifdef CONFIG_CPU_HAS_TEE <<
14 TEEEXT = t <<
15 endif <<
16 <<
17 ifdef CONFIG_CPU_CK610 <<
18 CPUTYPE = ck610 <<
19 CSKYABI = abiv1 <<
20 endif <<
21 <<
22 ifdef CONFIG_CPU_CK810 <<
23 CPUTYPE = ck810 <<
24 CSKYABI = abiv2 <<
25 endif <<
26 <<
27 ifdef CONFIG_CPU_CK807 <<
28 CPUTYPE = ck807 <<
29 CSKYABI = abiv2 <<
30 endif <<
31 56
32 ifdef CONFIG_CPU_CK860 !! 57 boot := arch/sparc/boot
33 CPUTYPE = ck860 <<
34 CSKYABI = abiv2 <<
35 endif <<
36 <<
37 ifneq ($(CSKYABI),) <<
38 MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEE <<
39 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$( <<
40 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_S <<
41 KBUILD_CFLAGS += -msoft-float -mdiv <<
42 KBUILD_CFLAGS += -fno-tree-vectorize <<
43 endif <<
44 58
45 KBUILD_CFLAGS += -pipe !! 59 image tftpboot.img: vmlinux
46 ifeq ($(CSKYABI),abiv2) !! 60 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
47 KBUILD_CFLAGS += -mno-stack-size <<
48 endif <<
49 <<
50 ifdef CONFIG_FRAME_POINTER <<
51 KBUILD_CFLAGS += -mbacktrace <<
52 endif <<
53 <<
54 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI <<
55 KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%in <<
56 <<
57 KBUILD_CPPFLAGS += -mlittle-endian <<
58 LDFLAGS += -EL <<
59 <<
60 KBUILD_AFLAGS += $(KBUILD_CFLAGS) <<
61 61
62 core-y += arch/csky/$(CSKYABI)/ !! 62 archclean:
>> 63 $(Q)$(MAKE) $(clean)=$(boot)
63 64
64 libs-y += arch/csky/lib/ \ !! 65 prepare: include/asm-$(ARCH)/asm_offsets.h
65 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLA <<
66 66
67 boot := arch/csky/boot !! 67 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 68 include/config/MARKER
68 69
69 all: zImage !! 70 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
>> 71 $(call filechk,gen-asm-offsets)
70 72
71 zImage Image uImage: vmlinux !! 73 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h \
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 74 arch/$(ARCH)/kernel/asm-offsets.s
73 75
>> 76 # Don't use tabs in echo arguments.
74 define archhelp 77 define archhelp
75 echo '* zImage - Compressed kernel im !! 78 echo '* image - kernel image ($(boot)/image)'
76 echo ' Image - Uncompressed kernel !! 79 echo ' tftpboot.img - image prepared for tftp'
77 echo ' uImage - U-Boot wrapped zImag <<
78 endef 80 endef
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