Thomas Petazzoni | 8797a9c | 2011-09-17 22:22:58 +0200 | [diff] [blame] | 1 | ################################################## |
| 2 | # Linux RTAI extensions |
| 3 | # |
| 4 | # Patch the linux kernel with RTAI extension |
| 5 | ################################################## |
| 6 | |
| 7 | ifeq ($(BR2_LINUX_KERNEL_EXT_RTAI),y) |
| 8 | # Add dependency to RTAI (user-space) which provide kernel patches |
| 9 | LINUX_DEPENDENCIES += rtai-patch |
| 10 | |
| 11 | RTAI_PATCH = $(call qstrip,$(BR2_LINUX_KERNEL_EXT_RTAI_PATCH)) |
| 12 | |
| 13 | ifeq ($(KERNEL_ARCH),i386) |
| 14 | RTAI_ARCH = x86 |
| 15 | else ifeq ($(KERNEL_ARCH),x86_64) |
| 16 | RTAI_ARCH = x86 |
| 17 | else ifeq ($(KERNEL_ARCH),powerpc) |
| 18 | RTAI_ARCH = ppc |
| 19 | else |
| 20 | RTAI_ARCH = $(KERNEL_ARCH) |
| 21 | endif |
| 22 | |
| 23 | # Prepare kernel patch |
| 24 | ifeq ($(RTAI_PATCH),) |
| 25 | define RTAI_PREPARE_KERNEL |
| 26 | kver=`$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelversion` ; \ |
| 27 | if test -f $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/hal-linux-$${kver}-*patch ; then \ |
Thomas Petazzoni | 5a615f5 | 2011-09-19 22:10:54 +0200 | [diff] [blame] | 28 | support/scripts/apply-patches.sh $(LINUX_DIR) \ |
Thomas Petazzoni | 8797a9c | 2011-09-17 22:22:58 +0200 | [diff] [blame] | 29 | $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/ \ |
| 30 | hal-linux-$${kver}-*patch ; \ |
| 31 | else \ |
| 32 | echo "No RTAI patch for your kernel version" ; \ |
| 33 | exit 1 ; \ |
| 34 | fi |
| 35 | endef |
| 36 | else |
| 37 | define RTAI_PREPARE_KERNEL |
Thomas Petazzoni | 5a615f5 | 2011-09-19 22:10:54 +0200 | [diff] [blame] | 38 | support/scripts/apply-patches.sh \ |
Thomas Petazzoni | 8797a9c | 2011-09-17 22:22:58 +0200 | [diff] [blame] | 39 | $(LINUX_DIR) \ |
| 40 | $(dir $(RTAI_PATCH)) \ |
| 41 | $(notdir $(RTAI_PATCH)) |
| 42 | endef |
| 43 | endif |
| 44 | |
Thomas Petazzoni | be27a79 | 2011-09-19 22:10:53 +0200 | [diff] [blame] | 45 | LINUX_PRE_PATCH_HOOKS += RTAI_PREPARE_KERNEL |
Thomas Petazzoni | 8797a9c | 2011-09-17 22:22:58 +0200 | [diff] [blame] | 46 | |
| 47 | endif #BR2_LINUX_EXT_RTAI |