1################################################################################ 2# 3# Patch the linux kernel with RTAI extension 4# 5################################################################################ 6 7LINUX_EXTENSIONS += rtai 8 9ifeq ($(KERNEL_ARCH),i386) 10RTAI_ARCH = x86 11else ifeq ($(KERNEL_ARCH),x86_64) 12RTAI_ARCH = x86 13else ifeq ($(KERNEL_ARCH),powerpc) 14RTAI_ARCH = ppc 15else 16RTAI_ARCH = $(KERNEL_ARCH) 17endif 18 19# Prepare kernel patch 20define RTAI_PREPARE_KERNEL 21 kver=`$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelversion` ; \ 22 if test -f $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/hal-linux-$${kver}-*patch ; then \ 23 $(APPLY_PATCHES) $(LINUX_DIR) \ 24 $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/ \ 25 hal-linux-$${kver}-*patch ; \ 26 else \ 27 echo "No RTAI patch for your kernel version" ; \ 28 exit 1 ; \ 29 fi 30endef 31