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95442bb324
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
48 lines
1.3 KiB
Makefile
48 lines
1.3 KiB
Makefile
################################################################################
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# Linux RTAI extensions
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#
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# Patch the linux kernel with RTAI extension
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################################################################################
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ifeq ($(BR2_LINUX_KERNEL_EXT_RTAI),y)
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# Add dependency to RTAI (user-space) which provide kernel patches
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LINUX_DEPENDENCIES += rtai-patch
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RTAI_PATCH = $(call qstrip,$(BR2_LINUX_KERNEL_EXT_RTAI_PATCH))
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ifeq ($(KERNEL_ARCH),i386)
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RTAI_ARCH = x86
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else ifeq ($(KERNEL_ARCH),x86_64)
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RTAI_ARCH = x86
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else ifeq ($(KERNEL_ARCH),powerpc)
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RTAI_ARCH = ppc
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else
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RTAI_ARCH = $(KERNEL_ARCH)
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endif
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# Prepare kernel patch
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ifeq ($(RTAI_PATCH),)
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define RTAI_PREPARE_KERNEL
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kver=`$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelversion` ; \
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if test -f $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/hal-linux-$${kver}-*patch ; then \
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support/scripts/apply-patches.sh $(LINUX_DIR) \
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$(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/ \
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hal-linux-$${kver}-*patch ; \
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else \
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echo "No RTAI patch for your kernel version" ; \
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exit 1 ; \
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fi
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endef
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else
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define RTAI_PREPARE_KERNEL
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support/scripts/apply-patches.sh \
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$(LINUX_DIR) \
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$(dir $(RTAI_PATCH)) \
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$(notdir $(RTAI_PATCH))
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endef
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endif
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LINUX_PRE_PATCH_HOOKS += RTAI_PREPARE_KERNEL
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endif #BR2_LINUX_EXT_RTAI
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