1 # SPDX-License-Identifier: GPL-2.0 !! 1 # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # sparc64/Makefile
3 !! 3 #
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 4 # Makefile for the architecture dependent flags and dependencies on the
5 !! 5 # 64-bit Sparc.
6 # What CPU version are we building for, and cr !! 6 #
7 # as major.minor.rev !! 7 # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) !! 9 #
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) !! 10
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) !! 11 AFLAGS_vmlinux.lds.o += -Usparc
12 !! 12
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV !! 13 CC := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi )
14 !! 14
15 # Use cpu-related CONFIG_ vars to set compile !! 15 NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
16 # The various CONFIG_XILINX cpu features optio !! 16 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
17 # rather than bools y/n !! 17 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
18 !! 18 INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
19 # Work out HW multipler support. This is trick !! 19
20 # 1. Spartan2 has no HW multipliers. !! 20 export NEW_GCC
21 # 2. MicroBlaze v3.x always uses them, except !! 21
22 # 3. All other FPGa/CPU ver combos, we can tru !! 22 ifneq ($(NEW_GAS),y)
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M !! 23 AS = sparc64-linux-as
24 ifeq ($(CPU_MAJOR),3) !! 24 LD = sparc64-linux-ld
25 CPUFLAGS-1 += -mno-xl-soft-mul !! 25 NM = sparc64-linux-nm
26 else !! 26 AR = sparc64-linux-ar
27 # USE_HW_MUL can be 0, 1, or 2, defining a !! 27 RANLIB = sparc64-linux-ranlib
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB <<
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H <<
30 endif <<
31 endif <<
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) <<
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE <<
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ <<
35 <<
36 ifdef CONFIG_CPU_BIG_ENDIAN <<
37 KBUILD_CFLAGS += -mbig-endian <<
38 KBUILD_AFLAGS += -mbig-endian <<
39 KBUILD_LDFLAGS += -EB <<
40 else 28 else
41 KBUILD_CFLAGS += -mlittle-endian !! 29 AS := $(AS) -64
42 KBUILD_AFLAGS += -mlittle-endian !! 30 LDFLAGS := -m elf64_sparc
43 KBUILD_LDFLAGS += -EL <<
44 endif 31 endif
45 32
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 33 ifneq ($(UNDECLARED_REGS),y)
>> 34 CC_UNDECL =
>> 35 else
>> 36 CC_UNDECL = -Wa,--undeclared-regs
>> 37 AS := $(AS) --undeclared-regs
>> 38 endif
47 39
48 # r31 holds current when in kernel mode !! 40 ifneq ($(NEW_GCC),y)
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C !! 41 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
>> 42 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
>> 43 else
>> 44 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
>> 45 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
>> 46 $(CC_UNDECL)
>> 47 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
>> 48 endif
50 49
51 libs-y += arch/microblaze/lib/ !! 50 ifeq ($(INLINE_LIMIT),y)
>> 51 CFLAGS := $(CFLAGS) -finline-limit=100000
>> 52 endif
52 53
53 boot := arch/microblaze/boot !! 54 ifeq ($(CONFIG_MCOUNT),y)
>> 55 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
>> 56 CFLAGS := $(CFLAGS) -pg
>> 57 endif
54 58
55 # Are we making a simpleImage.<boardname> targ !! 59 head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
56 DTB:=$(subst simpleImage.,,$(filter simpleImag <<
57 60
58 export DTB !! 61 core-y += arch/sparc64/kernel/ arch/sparc64/mm/
>> 62 core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
>> 63 core-y += arch/sparc64/math-emu/
>> 64 libs-y += arch/sparc64/prom/ arch/sparc64/lib/
59 65
60 all: linux.bin !! 66 # FIXME: is drivers- right?
>> 67 drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
61 68
62 archheaders: !! 69 boot := arch/sparc64/boot
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 70
65 PHONY += linux.bin linux.bin.gz linux.bin.ub !! 71 image tftpboot.img vmlinux.aout: vmlinux
66 linux.bin.ub linux.bin.gz: linux.bin <<
67 linux.bin: vmlinux <<
68 linux.bin linux.bin.gz linux.bin.ub: <<
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
70 @echo 'Kernel: $(boot)/$@ is ready' ' <<
71 73
72 PHONY += simpleImage.$(DTB) !! 74 archclean:
73 simpleImage.$(DTB): vmlinux !! 75 $(Q)$(MAKE) $(clean)=$(boot)
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref <<
75 @echo 'Kernel: $(boot)/$@ is ready' ' <<
76 76
77 define archhelp 77 define archhelp
78 echo '* linux.bin - Create raw binary' !! 78 echo '* vmlinux - Standard sparc64 kernel'
79 echo ' linux.bin.gz - Create compressed raw !! 79 echo ' vmlinux.aout - a.out kernel for sparc64'
80 echo ' linux.bin.ub - Create U-Boot wrapped !! 80 echo ' tftpboot.img - Image prepared for tftp'
81 echo ' simpleImage.<dt> - Create the follow <<
82 echo ' simpleImage.<dt> <<
83 echo ' simpleImage.<dt>.u <<
84 echo ' simpleImage.<dt>.u <<
85 echo ' simpleImage.<dt>.s <<
86 echo ' Targets with <dt> embed a device tre <<
87 echo ' These targets support board with fir <<
88 echo ' support passing a device tree direct <<
89 echo ' name of a dts file from the arch/mic <<
90 echo ' (minus the .dts extension).' <<
91 endef 81 endef
92 82
93 MRPROPER_FILES += $(boot)/simpleImage.* <<
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