1 # BK Id: %F% %I% %G% %U% %#% !! 1 # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
>> 2 # sparc64/Makefile
2 # 3 #
3 # This file is included by the global makefile !! 4 # Makefile for the architecture dependent flags and dependencies on the
4 # architecture-specific flags and dependencies !! 5 # 64-bit Sparc.
5 # 6 #
6 # This file is subject to the terms and condit !! 7 # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
7 # License. See the file "COPYING" in the main !! 8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
8 # for more details. <<
9 # 9 #
10 # Copyright (C) 1994 by Linus Torvalds <<
11 # Modifications for the OpenRISC architecture: <<
12 # Copyright (C) 2003 Matjaz Breskvar <phoenix@b <<
13 # Copyright (C) 2010-2011 Jonas Bonn <jonas@sou <<
14 # <<
15 # Based on: <<
16 # arch/i386/Makefile <<
17 <<
18 KBUILD_DEFCONFIG := or1ksim_defconfig <<
19 <<
20 OBJCOPYFLAGS := -O binary -R .note -R .comm <<
21 LIBGCC := $(shell $(CC) $(KBUILD_CFLA <<
22 10
23 KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux !! 11 AFLAGS_vmlinux.lds.o += -Usparc
24 KBUILD_CFLAGS += -msfimm -mshftimm <<
25 12
26 all: vmlinux.bin !! 13 CC := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi )
27 14
28 boot := arch/$(ARCH)/boot !! 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; )
29 !! 16 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
30 ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y) !! 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; )
31 KBUILD_CFLAGS += $(call cc-option,-mha !! 18 INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
>> 19
>> 20 export NEW_GCC
>> 21
>> 22 ifneq ($(NEW_GAS),y)
>> 23 AS = sparc64-linux-as
>> 24 LD = sparc64-linux-ld
>> 25 NM = sparc64-linux-nm
>> 26 AR = sparc64-linux-ar
>> 27 RANLIB = sparc64-linux-ranlib
32 else 28 else
33 KBUILD_CFLAGS += $(call cc-option,-mso !! 29 AS := $(AS) -64
>> 30 LDFLAGS := -m elf64_sparc
34 endif 31 endif
35 32
36 ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y) !! 33 ifneq ($(UNDECLARED_REGS),y)
37 KBUILD_CFLAGS += $(call cc-option,-mha !! 34 CC_UNDECL =
38 else 35 else
39 KBUILD_CFLAGS += $(call cc-option,-mso !! 36 CC_UNDECL = -Wa,--undeclared-regs
>> 37 AS := $(AS) --undeclared-regs
40 endif 38 endif
41 39
42 ifeq ($(CONFIG_OPENRISC_HAVE_INST_CMOV),y) !! 40 ifneq ($(NEW_GCC),y)
43 KBUILD_CFLAGS += $(call cc-option,-mcm !! 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 $(CC_UNDECL)
44 endif 48 endif
45 49
46 ifeq ($(CONFIG_OPENRISC_HAVE_INST_ROR),y) !! 50 ifeq ($(INLINE_LIMIT),y)
47 KBUILD_CFLAGS += $(call cc-option,-mro !! 51 CFLAGS := $(CFLAGS) -finline-limit=100000
48 endif 52 endif
49 53
50 ifeq ($(CONFIG_OPENRISC_HAVE_INST_RORI),y) !! 54 ifeq ($(CONFIG_MCOUNT),y)
51 KBUILD_CFLAGS += $(call cc-option,-mro !! 55 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
>> 56 CFLAGS := $(CFLAGS) -pg
52 endif 57 endif
53 58
54 ifeq ($(CONFIG_OPENRISC_HAVE_INST_SEXT),y) !! 59 head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
55 KBUILD_CFLAGS += $(call cc-option,-mse !! 60
56 endif !! 61 core-y += arch/sparc64/kernel/ arch/sparc64/mm/
>> 62 core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
>> 63 core-y += arch/sparc64/math-emu/
>> 64 libs-y += arch/sparc64/prom/ arch/sparc64/lib/
57 65
58 libs-y += $(LIBGCC) !! 66 # FIXME: is drivers- right?
>> 67 drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
59 68
60 PHONY += vmlinux.bin !! 69 boot := arch/sparc64/boot
61 70
62 vmlinux.bin: vmlinux !! 71 image tftpboot.img vmlinux.aout: vmlinux
63 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>> 73
>> 74 archclean:
>> 75 $(Q)$(MAKE) $(clean)=$(boot)
>> 76
>> 77 define archhelp
>> 78 echo '* vmlinux - Standard sparc64 kernel'
>> 79 echo ' vmlinux.aout - a.out kernel for sparc64'
>> 80 echo ' tftpboot.img - Image prepared for tftp'
>> 81 endef
>> 82
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