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Makefile.linux
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Makefile.linux
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#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
MMT=sunxi_cedar
MMM=$(MMT)
MMU=$(shell echo "$(MMM)" | tr "[a-z]" "[A-Z]")
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
EXTRA_CFLAGS +=
MMH_HEADERS=
PROGS = $(MMT).mod.c linux $(MMM)_modes.h
##---------------------------------------------------------------------------------------------------------------
$(MMT)-objs := cedar_ve.o cache-v7.o
##---------------------------------------------------------------------------------------------------------------
## crw-r--r-- 1 root root 10, 180 Aug 23 2000 /dev/isb0
## minicom -s isb0
##
##
## lircd -d /dev/isb0 # daemon
## irw # client - test
#-----------------------------------------------------------------------------------------------------------------------------------------
KERNEL_SOURCE=$(KDIR)
LINUXDIR=$(KDIR)
KBUILD=$(KDIR)
RUNNING_REL := $(shell uname -r)
GETCONFIG := MAKEFILES=$(shell pwd)/.config
HAVECONFIG := y
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
CONFIG_VIDEO_ENCODER_DECODER_SUNXI=y
#-----------------------------------------------------------------------------------------------------------------------------------------
#ccflags-y += -Idrivers/media/dvb-core/
#-----------------------------------------------------------------------------------------------------------------------------------------
#EXTRA_CFLAGS += -DDEF_KIEC61883_KSB -DDEF_LIRC
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#include $(shell pwd)/Makefile
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
.SUFFIXES:
ifndef LINUXDIR
RUNNING_REL := $(shell uname -r)
LINUXDIR := /lib/modules/$(RUNNING_REL)/build
MODULEDIR := /lib/modules/$(RUNNING_REL)
endif #LINUXDIR
MACHINE := $(shell uname -m)
# Modules for all architectures
MODULE_LIST := $(MMT).o
# Modules only for ix86 architectures
#ifneq (,$(findstring 86,$(MACHINE)))
#ARCHX86 := 1
#MODULE_LIST +=
#endif #(,$(findstring 86,$(MACHINE)))
# Add ffb.o for sparc??
OPT_MODULES ?= $(MODULE_LIST)
CLEANFILES = *.o *.ko $(PROGS) .depend .*.flags .*.d .*.cmd Modules.symvers Module.symvers
# VERSION is not defined from the initial invocation. It is defined when
# this Makefile is invoked from the kernel's root Makefile.
ifndef VERSION
ifdef RUNNING_REL
# SuSE has the version.h and autoconf.h headers for the current kernel
# in /boot as /boot/vmlinuz.version.h and /boot/vmlinuz.autoconf.h.
# Check these first to see if they match the running kernel.
BOOTVERSION_PREFIX = /boot/vmlinuz.
V := $(shell if [ -f $(BOOTVERSION_PREFIX)version.h ]; then grep UTS_RELEASE $(BOOTVERSION_PREFIX)version.h | cut -d' ' -f3; fi)
ifeq ($(V),"$(RUNNING_REL)")
HEADERFROMBOOT := 1
GETCONFIG := MAKEFILES=$(shell pwd)/.config
HAVECONFIG := y
endif #($(V),"$(RUNNING_REL)")
# On Red Hat we need to check if there is a .config file in the kernel
# source directory. If there isn't, we need to check if there's a
# matching file in the configs subdirectory.
ifneq ($(HAVECONFIG),y)
HAVECONFIG := $(shell if [ -e $(LINUXDIR)/.config ]; then echo y; fi)
endif #HAVECONFIG
ifneq ($(HAVECONFIG),y)
REL_BASE := $(shell echo $(RUNNING_REL) | sed 's/-.*//')
REL_TYPE := $(shell echo $(RUNNING_REL) | sed 's/[0-9.-]//g')
ifeq ($(REL_TYPE),)
RHCONFIG := configs/kernel-$(REL_BASE)-$(MACHINE).config
else
RHCONFIG := configs/kernel-$(REL_BASE)-$(MACHINE)-$(REL_TYPE).config
endif
HAVECONFIG := $(shell if [ -e $(LINUXDIR)/$(RHCONFIG) ]; then echo y; fi)
ifneq ($(HAVECONFIG),y)
RHCONFIG :=
endif
endif #HAVECONFIG
ifneq ($(HAVECONFIG),y)
$(error Cannot find a kernel config file)
endif #HAVECONFIG
endif #RUNNING_REL
CLEANCONFIG := $(shell if cmp -s $(LINUXDIR)/.config .config; then echo y; fi)
ifeq ($(CLEANCONFIG),y)
CLEANFILES += $(LINUXDIR)/.config .config $(LINUXDIR)/tmp_include_depends
endif
# The Makefile renaming hack is required because the standard kernel build,
# especially 2.5.52 and later, explicitly references the Makefile by the
# name "Makefile". For builds prior to 2.5.52, the name GNUmakefile could
# have been used.
all: modules
modules: includes
@if test -f Makefile && cmp -s Makefile Makefile.linux; then : ; \
else \
if [ -e Makefile ]; then \
(set -x; mv -f Makefile Makefile._xx_); fi; \
(set -x; ln -s Makefile.linux Makefile); fi
make -C $(LINUXDIR) $(GETCONFIG) SUBDIRS=`pwd` DRMSRCDIR=`pwd` modules
@if cmp -s Makefile Makefile.linux && [ -e Makefile._xx_ ]; then \
(set -x; rm -f Makefile; \
mv -f Makefile._xx_ Makefile); fi
install: includes
make -C $(LINUXDIR) $(GETCONFIG) SUBDIRS=`pwd` DRMSRCDIR=`pwd` INSTALL_MOD_DIR="$(INSTALL_MOD_DIR)" MOD_DESTDIR="../" modules_install
ifeq ($(HEADERFROMBOOT),1)
BOOTHEADERS = version.h autoconf.h
BOOTCONFIG = .config
CLEANFILES += $(BOOTHEADERS) $(BOOTCONFIG)
includes:: $(BOOTHEADERS) $(BOOTCONFIG)
version.h: $(BOOTVERSION_PREFIX)version.h
rm -f $@
ln -s $< $@
autoconf.h: $(BOOTVERSION_PREFIX)autoconf.h
rm -f $@
ln -s $< $@
.config: $(BOOTVERSION_PREFIX)config
rm -f $@
ln -s $< $@
endif #HEADERFROMBOOT
# This prepares an unused Red Hat kernel tree for the build.
ifneq ($(RHCONFIG),)
includes:: $(LINUXDIR)/.config $(LINUXDIR)/tmp_include_depends .config
$(LINUXDIR)/.config: $(LINUXDIR)/$(RHCONFIG)
rm -f $@
ln -s $< $@
.config: $(LINUXDIR)/$(RHCONFIG)
rm -f $@
ln -s $< $@
$(LINUXDIR)/tmp_include_depends:
echo all: > $@
endif #HEADERFROMBOOT
# Make sure that the shared source files are linked into this directory.
includes:: linux
linux:
rm -f linux
ln -s . linux
clean cleandir:
rm -f $(CLEANFILES)
rm -Rf .tmp_versions modules.order
$(MODULE_LIST)::
make -f Makefile.linux OPT_MODULES=$@ modules
KVER=$(shell cat $(LINUXDIR)/Makefile | sed -n 's/^VERSION[ ]*=[ ]*\([0-9]*\).*/\1/p')
KPTT=$(shell cat $(LINUXDIR)/Makefile | sed -n 's/^PATCHLEVEL[ ]*=[ ]*\([0-9]*\).*/\1/p')
KPTU=$(shell cat $(LINUXDIR)/Makefile | sed -n 's/^SUBLEVEL[ ]*=[ ]*\([0-9]*\).*/\1/p')
KPTV=$(shell cat $(LINUXDIR)/Makefile | sed -n 's/^EXTRAVERSION[ ]*=[ ]*\([0-9a-fA-F.]*\).*/\1/p')
KPTW=$(shell echo $$[ $(KVER)*16 + $(KPTT) ])
KH26=$(shell if [ $(KPTW) -ge $$[0x26] ]; then echo 1;else echo 0;fi)
KVVV=$(KVER).$(KPTT).$(KPTU)$(KPTV)
MODULEDIR="/lib/modules/$(KVVV)/"
# Build test utilities
PRGCFLAGS = $(CFLAGS) -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -I. -I../../..
endif #VERSION
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
ifdef VERSION
# Check for kernel versions that we don't support.
BELOW24 := $(shell if [ $(VERSION) -lt 2 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -lt 4 \) ]; then echo y; fi)
ifeq ($(BELOW24),y)
$(error Only 2.4.x and later kernels are supported ($(VERSION).$(PATCHLEVEL).$(SUBLEVEL)))
endif
ifdef ARCHX86
ifndef CONFIG_X86_CMPXCHG
##$(error CONFIG_X86_CMPXCHG needs to be enabled in the kernel)
endif
endif
# This needs to go before all other include paths.
CC += -I$(DRMSRCDIR)
# Check for Red Hat's 4-argument do_munmap().
DOMUNMAP := $(shell grep do_munmap $(LINUXDIR)/include/linux/mm.h | grep -c acct)
ifneq ($(DOMUNMAP),0)
EXTRA_CFLAGS += -DDO_MUNMAP_4_ARGS
endif
# Check for 5-argument remap_page_range() in RH9 kernel, and 2.5.x kernels
RPR := $(shell grep remap_page_range $(LINUXDIR)/include/linux/mm.h | grep -c vma)
ifneq ($(RPR),0)
EXTRA_CFLAGS += -DREMAP_PAGE_RANGE_5_ARGS
endif
# Check for 4-argument vmap() in some 2.5.x and 2.4.x kernels
VMAP := $(shell grep -A1 'vmap.*count,$$' $(LINUXDIR)/include/linux/vmalloc.h | grep -c prot)
ifneq ($(VMAP),0)
EXTRA_CFLAGS += -DVMAP_4_ARGS
endif
# Check for PAGE_AGP definition
PAGE_AGP := $(shell cat $(LINUXDIR)/include/asm/agp.h 2>/dev/null | grep -c PAGE_AGP)
ifneq ($(PAGE_AGP),0)
EXTRA_CFLAGS += -DHAVE_PAGE_AGP
endif
# Start with all modules turned...
CONFIG_$(MMU) := m
# Enable module builds for the modules requested/supported.
ifneq (,$(findstring $(MMT),$(OPT_MODULES)))
CONFIG_$(MMU) := m
endif
# Kernel version checks
BELOW25 := $(shell if [ $(VERSION) -lt 2 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -lt 5 \) ]; then echo y; fi)
# There were major build changes starting with 2.5.52
ifneq ($(BELOW25),y)
BELOW2552 := $(shell if [ $(VERSION) -lt 2 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -lt 52 \) ]; then echo y; fi)
else
BELOW2552 := y
endif
ifeq ($(BELOW25),y)
O_TARGET := $(MMT).o
list-multi := $(MMT).o
obj-m :=
obj-n :=
obj- :=
export-objs :=
endif
obj-$(CONFIG_$(MMU)) += $(MMT).o
ifeq ($(BELOW2552),y)
include $(TOPDIR)/Rules.make
endif
ifeq ($(BELOW25),y)
$(MMT).o: $($(MMT)-objs) $(lib)
$(LD) -r -o $@ $($(MMT)-objs) $(lib)
endif
endif #VERSION
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------------