########################################################################### # Kbuild fragment for nvidia-modeset.ko ########################################################################### # # Define NVIDIA_MODESET_{SOURCES,OBJECTS} # NVIDIA_MODESET_SOURCES = nvidia-modeset/nvidia-modeset-linux.c NVIDIA_MODESET_SOURCES += nvidia-modeset/nv-kthread-q.c NVIDIA_MODESET_OBJECTS = $(patsubst %.c,%.o,$(NVIDIA_MODESET_SOURCES)) obj-m += nvidia-modeset.o nvidia-modeset-y := $(NVIDIA_MODESET_OBJECTS) NVIDIA_MODESET_KO = nvidia-modeset/nvidia-modeset.ko NV_KERNEL_MODULE_TARGETS += $(NVIDIA_MODESET_KO) # # nv-modeset-kernel.o_binary is the core binary component of nvidia-modeset.ko, # shared across all UNIX platforms. Create a symlink, "nv-modeset-kernel.o" # that points to nv-modeset-kernel.o_binary, and add nv-modeset-kernel.o to the # list of objects to link into nvidia-modeset.ko. # # Note that: # - The kbuild "clean" rule will delete all objects in nvidia-modeset-y (which # is why we use a symlink instead of just adding nv-modeset-kernel.o_binary # to nvidia-modeset-y). # - kbuild normally uses the naming convention of ".o_shipped" for # binary files. That is not used here, because the kbuild rule to # create the "normal" object file from ".o_shipped" does a copy, not # a symlink. This file is quite large, so a symlink is preferred. # - The file added to nvidia-modeset-y should be relative to gmake's cwd. # But, the target for the symlink rule should be prepended with $(obj). # NVIDIA_MODESET_BINARY_OBJECT := $(src)/nvidia-modeset/nv-modeset-kernel.o_binary NVIDIA_MODESET_BINARY_OBJECT_O := nvidia-modeset/nv-modeset-kernel.o quiet_cmd_symlink = SYMLINK $@ cmd_symlink = ln -sf $< $@ targets += $(NVIDIA_MODESET_BINARY_OBJECT_O) $(obj)/$(NVIDIA_MODESET_BINARY_OBJECT_O): $(NVIDIA_MODESET_BINARY_OBJECT) FORCE $(call if_changed,symlink) nvidia-modeset-y += $(NVIDIA_MODESET_BINARY_OBJECT_O) # # Define nvidia-modeset.ko-specific CFLAGS. # NVIDIA_MODESET_CFLAGS += -I$(src)/nvidia-modeset NVIDIA_MODESET_CFLAGS += -UDEBUG -U_DEBUG -DNDEBUG -DNV_BUILD_MODULE_INSTANCES=0 $(call ASSIGN_PER_OBJ_CFLAGS, $(NVIDIA_MODESET_OBJECTS), $(NVIDIA_MODESET_CFLAGS)) # # Build nv-modeset-interface.o from the kernel interface layer # objects, suitable for further processing by the installer and # inclusion as a precompiled kernel interface file. # NVIDIA_MODESET_INTERFACE := nvidia-modeset/nv-modeset-interface.o # Linux kernel v5.12 and later looks at "always-y", Linux kernel versions # before v5.6 looks at "always"; kernel versions between v5.12 and v5.6 # look at both. always += $(NVIDIA_MODESET_INTERFACE) always-y += $(NVIDIA_MODESET_INTERFACE) $(obj)/$(NVIDIA_MODESET_INTERFACE): $(addprefix $(obj)/,$(NVIDIA_MODESET_OBJECTS)) $(LD) -r -o $@ $^ # # Register the conftests needed by nvidia-modeset.ko # NV_OBJECTS_DEPEND_ON_CONFTEST += $(NVIDIA_MODESET_OBJECTS) NV_CONFTEST_TYPE_COMPILE_TESTS += timespec64 NV_CONFTEST_TYPE_COMPILE_TESTS += proc_ops NV_CONFTEST_FUNCTION_COMPILE_TESTS += pde_data NV_CONFTEST_FUNCTION_COMPILE_TESTS += timer_setup NV_CONFTEST_FUNCTION_COMPILE_TESTS += list_is_first NV_CONFTEST_FUNCTION_COMPILE_TESTS += ktime_get_real_ts64 NV_CONFTEST_FUNCTION_COMPILE_TESTS += ktime_get_raw_ts64 NV_CONFTEST_FUNCTION_COMPILE_TESTS += acpi_video_backlight_use_native