#
# arch/sh/Makefile
#
# Copyright (C) 1999 Kaz Kojima
# Copyright (C) 2002 - 2008 Paul Mundt
# Copyright (C) 2002 M. R. Brown
#
# 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.
#
ifdef cross_compiling
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
endif
endif
ifeq ($(cflags-y),)
#
# In the case where we are stuck with a compiler that has been uselessly
# restricted to a particular ISA, a favourite default of newer GCCs when
# extensive multilib targets are not provided, ensure we get the best fit
# regarding FP generation. This is intentionally stupid (albeit many
# orders of magnitude less than GCC's default behaviour), as anything
# with a large number of multilib targets better have been built
# correctly for the target in mind.
#
cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
# At this point, anything goes.
isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
else
#
# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
# support it, while -Wa,-dsp by itself limits the range of usable opcodes
# on certain CPU subtypes. Try the ISA variant first, and if that fails,
# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
# opcodes, we always want the best ISA tuning the version of binutils
# will provide.
#
isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
# Give the various platforms the opportunity to set default image types
defaultimage-y := zImage
defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
defaultimage-$(CONFIG_SH_RSK) := uImage
defaultimage-$(CONFIG_SH_URQUELL) := uImage
defaultimage-$(CONFIG_SH_MIGOR) := uImage
defaultimage-$(CONFIG_SH_AP325RXA) := uImage
defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
# Set some sensible Kbuild defaults
boot := arch/sh/boot
KBUILD_IMAGE := $(boot)/$(defaultimage-y)
#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.
#
UTS_MACHINE := sh
LDFLAGS_vmlinux += -e _stext
#
# CPU header paths
#
# These are ordered by optimization level. A CPU family that is a subset
# of another (ie, SH-2A / SH-2), is picked up first, with increasing
# levels of genericness if nothing more suitable is situated in the
# hierarchy.
#
# As an example, in order of preference, SH-2A > SH-2 > common definitions.
#
cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
cpuincdir-y += cpu-common # Must be last
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.