makefile

来自「fsmlabs的real time linux的内核」· 代码 · 共 43 行

# 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

LIBGCC := $(shell $(CC) -print-libgcc-file-name)

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_PPC64
CFLAGS := $(CFLAGS) -Wa,-mppc64bridge #-mpowerpc64
endif