Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # Unlike the kernel space, exported headers are written in standard C.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #  - Forbid C++ style comments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #  - Use '__inline__', '__asm__' instead of 'inline', 'asm'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # -std=c90 (equivalent to -ansi) catches the violation of those.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) # We cannot go as far as adding -Wpedantic since it emits too many warnings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) UAPI_CFLAGS := -std=c90 -Wall -Werror=implicit-function-declaration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) # In theory, we do not care -m32 or -m64 for header compile tests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # It is here just because CONFIG_CC_CAN_LINK is tested with -m32 or -m64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) UAPI_CFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) # USERCFLAGS might contain sysroot location for CC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) UAPI_CFLAGS += $(USERCFLAGS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) override c_flags = $(UAPI_CFLAGS) -Wp,-MMD,$(depfile) -I$(objtree)/usr/include
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) # The following are excluded for now because they fail to build.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) # Do not add a new header to the blacklist without legitimate reason.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) # Please consider to fix the header first.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) # Sorted alphabetically.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) no-header-test += asm/shmbuf.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) no-header-test += asm/signal.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) no-header-test += asm/ucontext.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) no-header-test += drm/vmwgfx_drm.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) no-header-test += linux/am437x-vpfe.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) no-header-test += linux/android/binder.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) no-header-test += linux/android/binderfs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) no-header-test += linux/coda.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) no-header-test += linux/errqueue.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) no-header-test += linux/fsmap.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) no-header-test += linux/hdlc/ioctl.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) no-header-test += linux/ivtv.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) no-header-test += linux/kexec.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) no-header-test += linux/matroxfb.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) no-header-test += linux/omap3isp.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) no-header-test += linux/omapfb.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) no-header-test += linux/patchkey.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) no-header-test += linux/phonet.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) no-header-test += linux/reiserfs_xattr.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) no-header-test += linux/sctp.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) no-header-test += linux/signal.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) no-header-test += linux/sysctl.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) no-header-test += linux/usb/audio.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) no-header-test += linux/v4l2-mediabus.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) no-header-test += linux/v4l2-subdev.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) no-header-test += linux/videodev2.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) no-header-test += linux/vm_sockets.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) no-header-test += sound/asequencer.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) no-header-test += sound/asoc.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) no-header-test += sound/asound.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) no-header-test += sound/compress_offload.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) no-header-test += sound/emu10k1.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) no-header-test += sound/sfnt_info.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) no-header-test += xen/evtchn.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) no-header-test += xen/gntdev.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) no-header-test += xen/privcmd.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) # More headers are broken in some architectures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) ifeq ($(SRCARCH),arc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) no-header-test += linux/bpf_perf_event.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) ifeq ($(SRCARCH),ia64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) no-header-test += asm/setup.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) no-header-test += asm/sigcontext.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) no-header-test += asm/perfmon.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) no-header-test += asm/perfmon_default_smpl.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) no-header-test += linux/if_bonding.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) ifeq ($(SRCARCH),mips)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) no-header-test += asm/stat.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) ifeq ($(SRCARCH),powerpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) no-header-test += asm/stat.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) no-header-test += linux/bpf_perf_event.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) ifeq ($(SRCARCH),riscv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) no-header-test += linux/bpf_perf_event.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) ifeq ($(SRCARCH),sparc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) no-header-test += asm/stat.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) no-header-test += asm/uctx.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) no-header-test += asm/fbio.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) # asm-generic/*.h is used by asm/*.h, and should not be included directly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) no-header-test += asm-generic/%
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) # Include the header twice to detect missing include guard.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) quiet_cmd_hdrtest = HDRTEST $<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)       cmd_hdrtest = \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		$(CC) $(c_flags) -S -o /dev/null -x c /dev/null \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 			$(if $(filter-out $(no-header-test), $*.h), -include $< -include $<); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		$(PERL) $(srctree)/scripts/headers_check.pl $(obj) $(SRCARCH) $<; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		touch $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) $(obj)/%.hdrtest: $(obj)/%.h FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	$(call if_changed_dep,hdrtest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) clean-files += $(filter-out Makefile, $(notdir $(wildcard $(obj)/*)))