arch/sparc64/Makefile

   1 # $Id: Makefile,v 1.46 2000/12/14 22:57:26 davem 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...
  13 SHELL  =/bin/bash
  14
  15 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 )
  16
  17 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; )
  18 NEW_GAS := $(shell if $(LD) --version 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
  19 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
  20
  21 export NEW_GCC
  22
  23 ifneq ($(NEW_GAS),y)
  24 AS              = sparc64-linux-as
  25 LD              = sparc64-linux-ld
  26 NM              = sparc64-linux-nm
  27 AR              = sparc64-linux-ar
  28 RANLIB          = sparc64-linux-ranlib
  29 else
  30 AS              := $(AS) -64
  31 LD              := $(LD) -m elf64_sparc
  32 endif
  33 ELFTOAOUT       = elftoaout
  34 ifneq ($(UNDECLARED_REGS),y)
  35 CC_UNDECL       =
  36 else
  37 CC_UNDECL       = -Wa,--undeclared-regs
  38 AS              := $(AS) --undeclared-regs
  39 endif
  40
  41 #
  42 # Uncomment the first CFLAGS if you are doing kgdb source level
  43 # debugging of the kernel to get the proper debugging information.
  44
  45 #CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
  46 ifneq ($(NEW_GCC),y)
  47   CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
  48             -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
  49 else
  50   CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
  51             -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
  52             $(CC_UNDECL)
  53   AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
  54 endif
  55
  56 # Uncomment this to get spinlock/rwlock debugging on SMP.
  57 # DEBUG_SPINLOCK = 1
  58
  59 ifdef CONFIG_SMP
  60   ifdef DEBUG_SPINLOCK
  61     CFLAGS += -DSPIN_LOCK_DEBUG
  62     AFLAGS += -DSPIN_LOCK_DEBUG
  63   endif
  64 endif
  65
  66 LINKFLAGS = -T arch/sparc64/vmlinux.lds
  67
  68 HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
  69
  70 SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
  71         arch/sparc64/prom
  72
  73 ifneq ($(CONFIG_SOLARIS_EMUL),n)
  74   SUBDIRS += arch/sparc64/solaris
  75 endif
  76
  77 SUBDIRS += arch/sparc64/math-emu
  78
  79 CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
  80
  81 ifeq ($(CONFIG_SOLARIS_EMUL),y)
  82   CORE_FILES += arch/sparc64/solaris/solaris.o
  83 endif
  84
  85 CORE_FILES += arch/sparc64/math-emu/math-emu.o
  86
  87 LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
  88         $(TOPDIR)/arch/sparc64/lib/lib.a
  89
  90 vmlinux.aout: vmlinux
  91         $(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
  92
  93 archclean:
  94         rm -f $(TOPDIR)/vmlinux.aout
  95
  96 archmrproper:
  97         rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h
  98
  99 archdep: check_asm
 100
 101 check_asm:
 102         $(MAKE) -C arch/sparc64/kernel check_asm
 103
 104 tftpboot.img:
 105         $(MAKE) -C arch/sparc64/boot tftpboot.img