makefile.ppc

Linux Device Drivers 2nd 经典书籍的配套源码

# This material is inherited from the Linux Makefile: arch/alpha/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 by Linus Torvalds
# Changes for PPC by Gary Thomas
# Rewritten by Cort Dougan and Paul Mackerras
#

KERNELLOAD	=0xc0000000

ifeq ($(shell uname -m),ppc)
CHECKS		= checks
endif

ASFLAGS		=
LINKFLAGS	= -T arch/ppc/vmlinux.lds -Ttext $(KERNELLOAD) -Bstatic
CPPFLAGS	:= $(CPPFLAGS) -D__powerpc__
CFLAGS          := $(CFLAGS) -D__powerpc__ -fsigned-char -msoft-float -pipe \
                -fno-builtin -ffixed-r2 -Wno-uninitialized -mmultiple -mstring
CPP		= $(CC) -E $(CFLAGS)

ifdef CONFIG_4xx
CFLAGS := $(CFLAGS) -mcpu=403
endif

ifdef CONFIG_8xx
CFLAGS := $(CFLAGS) -mcpu=860 -I../8xx_io
endif

ifdef CONFIG_PPC64BRIDGE
CFLAGS := $(CFLAGS) -Wa,-mppc64bridge
endif