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#
# arch/mips/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1994, 1995, 1996 by Ralf Baechle
# DECStation modifications by Paul M. Antoine, 1996
# ACN MIPS board modifications by Robin Farine (Robin.Farine@info.unine.ch)
# and Didier Frick (dfrick@dial.eunet.ch), copyright (C) 1996 by ACN S.A.
#
ifdef CONFIG_CPU_LITTLE_ENDIAN
cross-target = mipsel-linux-
ifdef CONFIG_MIPS_ECOFF
oformat = ecoff-littlemips
else
oformat = a.out-mips-little-linux
endif
else
cross-target = mips-linux-
ifdef CONFIG_MIPS_ECOFF
oformat = ecoff-bigmips
else
oformat = a.out-mips-big-linux
endif
endif
ifdef CONFIG_CROSS_COMPILE
CROSS_COMPILE := $(cross-target)
else
CROSS_COMPILE :=
endif
LINKFLAGS = -N
#
# The GCC uses -G 0 -mabicalls -fpic as default. We don't need PIC
# code in the kernel since it only slows down the whole thing. For the
# old GCC these options are just the defaults. At some point we might
# make use of global pointer optimizations.
#
# We also pass -G 0 to the linker to avoid generation of a .scommon section.
#
# The DECStation requires an ECOFF kernel for remote booting, other MIPS
# machines may also. We build an ELF kernel and them convert it into an
# ECOFF kernel.
#
CFLAGS += -G 0 -mno-abicalls -fno-pic
LINKFLAGS += -G 0
ifdef CONFIG_REMOTE_DEBUG
CFLAGS := $(CFLAGS) -g
endif
#
# CPU dependand compiler/assembler options for optimization.
#
ifdef CONFIG_CPU_R3000
CFLAGS := $(CFLAGS) -mcpu=r3000 -mips1
SUBDIRS += arch/mips/mips1
cpu-core = arch/mips/mips1/mips.o
endif
ifdef CONFIG_CPU_R6000
CFLAGS := $(CFLAGS) -mcpu=r6000 -mips2
SUBDIRS += arch/mips/mips2
cpu-core = arch/mips/mips2/mips.o
endif
ifdef CONFIG_CPU_R4X00
ifdef CONFIG_OPTIMIZE_R4600
CFLAGS := $(CFLAGS) -mcpu=r4600 -mips3
else
CFLAGS := $(CFLAGS) -mcpu=r4400 -mips3
endif
SUBDIRS += arch/mips/mips3
cpu-core = arch/mips/mips3/mips.o
endif
ifdef CONFIG_CPU_R8000
CFLAGS := $(CFLAGS) -mcpu=r8000 -mips4
SUBDIRS += arch/mips/mips3
cpu-core = arch/mips/mips3/mips.o
endif
ifdef CONFIG_CPU_R10000
CFLAGS := $(CFLAGS) -mcpu=r8000 -mips4
SUBDIRS += arch/mips/mips3
cpu-core = arch/mips/mips3/mips.o
endif
#
# Board dependand options and extra files
#
ifdef CONFIG_ACER_PICA_61
ARCHIVES += arch/mips/jazz/jazz.o
SUBDIRS += arch/mips/jazz
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_ACN_MIPS_BOARD
ARCHIVES += arch/mips/acn/acn.o
SUBDIRS += arch/mips/acn
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_MIPS_DECSTATION
ARCHIVES += arch/mips/dec/dec.o
SUBDIRS += arch/mips/dec
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_DESKSTATION_RPC44
ARCHIVES += arch/mips/deskstation/deskstation.o
SUBDIRS += arch/mips/deskstation
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_DESKSTATION_TYNE
ARCHIVES += arch/mips/deskstation/deskstation.o
SUBDIRS += arch/mips/deskstation
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_MIPS_MAGNUM_3000
LINKFLAGS += -Ttext 0x80100000
endif
ifdef CONFIG_MIPS_MAGNUM_4000
ARCHIVES += arch/mips/jazz/jazz.o
SUBDIRS += arch/mips/jazz
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_OLIVETTI_M700
ARCHIVES += arch/mips/jazz/jazz.o
SUBDIRS += arch/mips/jazz
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
ifdef CONFIG_SNI_RM200_PCI
ARCHIVES += arch/mips/sni/sni.o
SUBDIRS += arch/mips/sni
LINKSCRIPT += arch/mips/ld.script
LOADADDR += 0x80000000
endif
#
# Choosing incompatible machines durings configuration will result in
# error messages during linking
#
ifdef LINKSCRIPT
LINKFLAGS += -T $(word 1,$(LINKSCRIPT))
endif
ifdef LOADADDR
LINKFLAGS += -Ttext $(word 1,$(LOADADDR))
endif
#
# The pipe options is bad for low-mem machines
# Uncomment this if you want this. Helps most on diskless
# Linux machines.
#
CFLAGS += #-pipe
HEAD := arch/mips/kernel/head.o
SUBDIRS := $(SUBDIRS) arch/mips/kernel arch/mips/mm arch/mips/lib
ARCHIVES := $(cpu-core) arch/mips/kernel/kernel.o arch/mips/mm/mm.o $(ARCHIVES)
LIBS := arch/mips/lib/lib.a $(LIBS) arch/mips/lib/lib.a
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
zImage: vmlinux
@$(MAKEBOOT) zImage
compressed: zImage
zdisk: vmlinux
@$(MAKEBOOT) zdisk
archclean:
@$(MAKEBOOT) clean
$(MAKE) -C arch/$(ARCH)/kernel clean
archdep:
@$(MAKEBOOT) dep
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