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Diffstat (limited to 'config-default.mk')
| -rw-r--r-- | config-default.mk | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/config-default.mk b/config-default.mk new file mode 100644 index 0000000..0d5bb85 --- /dev/null +++ b/config-default.mk @@ -0,0 +1,100 @@ +# Configuration file included in Makefile +# +# Copyright (C) 2011 Columbia University. All rights reserved. +# Christoffer Dall <cdall@cs.columbia.edu> +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE.txt file. +# +# This is a sample configuration file. To make changes, copy this file to +# config.mk and modify that file. +# +# For all systems you can override USE_INITRD and KCMD from the command-line. +# + +########################################################################### +# Main options +# +CROSS_COMPILE ?= arm-unknown-eabi- +ARCH ?= arm +KERNEL_SRC ?= ../linux-kvm-arm + +# Select system: +# mps: MPS (Cortex-M3) +# realview_eb: RealViewPB, EB, etc. +# vexpress: Versatile Express +SYSTEM ?= vexpress + +########################################################################### +# Turn this on to use an initrd whose contents are in filesystem.cpio.gz +USE_INITRD ?= no +ifeq ($(USE_INITRD),yes) +CPPFLAGS += -DUSE_INITRD +FILESYSTEM ?= filesystem.cpio.gz +else +FILESYSTEM = +endif + +########################################################################### +# Default NFS root +NFS_ROOT ?= /srv/nfsroot +ifeq ($(origin NFS_SERVER), undefined) +NFS_SERVER := $(shell ip addr show scope global | \ + sed -ne '/inet/{s/ *inet \([^/]*\)\/.*/\1/p;q}') +endif + + +########################################################################### +# MPS (Cortex-M3) definitions +# +ifeq ($(SYSTEM),mps) +# C-flags +CPPFLAGS += -DMACH_MPS -DTHUMB2_KERNEL +CPPFLAGS += -march=armv7-m +CPPFLAGS += -mthumb -Wa,-mthumb -Wa,-mimplicit-it=always + +# Kernel command line +KCMD ?= "rdinit=/bin/sh console=ttyAMA3 mem=4M earlyprintk" +endif # SYSTEM = mps + + +########################################################################### +# EB, RealviewPB, etc +# +ifeq ($(SYSTEM),realview_eb) + +#CPPFLAGS += -DSMP +CPPFLAGS += -march=armv7-a +#CPPFLAGS += -DTHUMB2_KERNEL + +# Default kernel command line, using initrd: +ifeq ($(USE_INITRD),yes) + KCMD ?= "console=ttyAMA0 mem=256M earlyprintk" +endif +# +# Default kernel command line, without initrd: +ifneq ($(USE_INITRD),yes) + KCMD ?= "root=/dev/nfs nfsroot=$(NFS_HOST):$(NFS_ROOT) ip=dhcp console=ttyAMA0 mem=256M earlyprintk" +endif +endif # SYSTEM = realvire_eb + + +########################################################################### +# Versatile Express +# +ifeq ($(SYSTEM),vexpress) + +CPPFLAGS += -DSMP +CPPFLAGS += -march=armv7-a +#CPPFLAGS += -DTHUMB2_KERNEL +CPPFLAGS += -DVEXPRESS + +# Default kernel command line, using initrd: +ifeq ($(USE_INITRD),yes) + KCMD ?= "console=ttyAMA0 mem=512M mem=512M@0x880000000 earlyprintk ip=dhcp" +endif +# +# Default kernel command line, without initrd: +ifneq ($(USE_INITRD),yes) + KCMD ?= "console=ttyAMA0 mem=512M mem=512M@0x880000000 earlyprintk root=/dev/nfs nfsroot=$(NFS_SERVER):$(NFS_ROOT),tcp rw ip=dhcp nfsrootdebug" +endif +endif # SYSTEM = vexpress |