diff options
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 159 |
1 files changed, 124 insertions, 35 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index baec00d70..c7ba5db9b 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -10,78 +10,166 @@ # License. See the file "COPYING" in the main directory of this archive # for more details. # -# Copyright (C) 1994, 1995 by Waldorf Electronics, -# written by Ralf Baechle +# 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_ELF_COMPILER ifdef CONFIG_CPU_LITTLE_ENDIAN -prefix = mipsel-linuxelf- +cross-target = mipsel-linux- +ifdef CONFIG_MIPS_ECOFF +oformat = ecoff-littlemips else -prefix = mips-linuxelf- +oformat = a.out-mips-little-linux endif else -ifdef CONFIG_CPU_LITTLE_ENDIAN -prefix = mipsel-linux- +cross-target = mips-linux- +ifdef CONFIG_MIPS_ECOFF +oformat = ecoff-bigmips else -prefix = mips-linux- +oformat = a.out-mips-big-linux +endif endif + +ifdef CONFIG_CROSS_COMPILE +CROSS_COMPILE := $(cross-target) +else +CROSS_COMPILE := endif -AS = $(prefix)as -LD = $(prefix)ld -LINKFLAGS = -N -Ttext 0x80000000 -#HOSTCC = gcc -CC = $(prefix)gcc -D__KERNEL__ -I$(TOPDIR)/include -CPP = $(CC) -E $(CFLAGS) -AR = $(prefix)ar -RANLIB = $(prefix)ranlib -STRIP = $(prefix)strip -NM = $(prefix)nm +LINKFLAGS = -N # -# The new ELF GCC uses -G0 -mabicalls -fpic as default. We don't need PIC +# 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 optimaztions. +# make use of global pointer optimizations. # -ifdef CONFIG_OBJECT_ELF -CFLAGS := $(CFLAGS) -G0 -mno-abicalls -fno-pic #-pipe -endif +# 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 -ASFLAGS := $(ASFLAGS) -mcpu=r3000 -mips1 +SUBDIRS += arch/mips/mips1 +cpu-core = arch/mips/mips1/mips.o endif ifdef CONFIG_CPU_R6000 CFLAGS := $(CFLAGS) -mcpu=r6000 -mips2 -ASFLAGS := $(ASFLAGS) -mcpu=r6000 -mips2 +SUBDIRS += arch/mips/mips2 +cpu-core = arch/mips/mips2/mips.o endif ifdef CONFIG_CPU_R4X00 -CFLAGS := $(CFLAGS) -D__R4000__ -mcpu=r4400 -mips2 -ASFLAGS := $(ASFLAGS) -mcpu=r4400 -mips2 +ifdef CONFIG_OPTIMIZE_R4600 +CFLAGS := $(CFLAGS) -mcpu=r4600 -mips3 +else +CFLAGS := $(CFLAGS) -mcpu=r4400 -mips3 endif -ifdef CONFIG_CPU_R4600 -CFLAGS := $(CFLAGS) -D__R4000__ -mcpu=r4600 -mips2 -ASFLAGS := $(ASFLAGS) -mcpu=r4600 -mips2 +SUBDIRS += arch/mips/mips3 +cpu-core = arch/mips/mips3/mips.o endif ifdef CONFIG_CPU_R8000 -CFLAGS := $(CFLAGS) -D__R4000__ -mcpu=r8000 -mips2 -ASFLAGS := $(ASFLAGS) -mcpu=r8000 -mips2 +CFLAGS := $(CFLAGS) -mcpu=r8000 -mips4 +SUBDIRS += arch/mips/mips3 +cpu-core = arch/mips/mips3/mips.o endif ifdef CONFIG_CPU_R10000 -CFLAGS := $(CFLAGS) -D__R4000__ -mcpu=r8000 -mips2 -ASFLAGS := $(ASFLAGS) -mcpu=r8000 -mips2 +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 := arch/mips/kernel/kernel.o arch/mips/mm/mm.o $(ARCHIVES) +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 @@ -96,6 +184,7 @@ zdisk: vmlinux archclean: @$(MAKEBOOT) clean + $(MAKE) -C arch/$(ARCH)/kernel clean archdep: @$(MAKEBOOT) dep |