1# $Id: Makefile,v 1.1.1.1 2008/10/15 03:26:19 james26_jang Exp $ 2# sparc64/Makefile 3# 4# Makefile for the architecture dependent flags and dependencies on the 5# 64-bit Sparc. 6# 7# Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu) 8# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) 9# 10 11# If the solaris /bin/sh wasn't so broken, I wouldn't need the following 12# line... 13SHELL =/bin/bash 14 15CC := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi ) 16 17NEW_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; ) 18NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi) 19UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; ) 20 21export NEW_GCC 22 23ifneq ($(NEW_GAS),y) 24AS = sparc64-linux-as 25LD = sparc64-linux-ld 26NM = sparc64-linux-nm 27AR = sparc64-linux-ar 28RANLIB = sparc64-linux-ranlib 29else 30AS := $(AS) -64 31LD := $(LD) -m elf64_sparc 32endif 33ELFTOAOUT = elftoaout 34ifneq ($(UNDECLARED_REGS),y) 35CC_UNDECL = 36else 37CC_UNDECL = -Wa,--undeclared-regs 38AS := $(AS) --undeclared-regs 39endif 40 41ifneq ($(NEW_GCC),y) 42 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \ 43 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare 44else 45 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \ 46 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \ 47 $(CC_UNDECL) 48 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL) 49endif 50 51ifeq ($(CONFIG_MCOUNT),y) 52 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) 53 CFLAGS := $(CFLAGS) -pg 54endif 55 56LINKFLAGS = -T arch/sparc64/vmlinux.lds 57 58HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o 59 60SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \ 61 arch/sparc64/prom 62 63ifneq ($(CONFIG_SOLARIS_EMUL),n) 64 SUBDIRS += arch/sparc64/solaris 65endif 66 67SUBDIRS += arch/sparc64/math-emu 68 69CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES) 70 71ifeq ($(CONFIG_SOLARIS_EMUL),y) 72 CORE_FILES += arch/sparc64/solaris/solaris.o 73endif 74 75CORE_FILES += arch/sparc64/math-emu/math-emu.o 76 77LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \ 78 $(TOPDIR)/arch/sparc64/lib/lib.a 79 80vmlinux.aout: vmlinux 81 $(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux 82 83archclean: 84 rm -f $(TOPDIR)/vmlinux.aout 85 86archmrproper: 87 rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h 88 89archdep: check_asm 90 91check_asm: include/linux/version.h 92 $(MAKE) -C arch/sparc64/kernel check_asm 93 94tftpboot.img: 95 $(MAKE) -C arch/sparc64/boot tftpboot.img 96