Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) # This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # License.  See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) # for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) # Copyright (C) 2001 - 2005  Tensilica Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # Copyright (C) 2014 Cadence Design Systems Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) # This file is included by the global makefile so that you can add your own
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) # architecture-specific flags and dependencies. Remember to do have actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) # for "archclean" and "archdep" for cleaning up and making dependencies for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # this architecture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) # Core configuration.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) # (Use VAR=<xtensa_config> to use another default compiler.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) VARIANT = $(variant-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) export VARIANT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) # Test for cross compiling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) ifneq ($(VARIANT),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)   COMPILE_ARCH = $(shell uname -m)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)   ifneq ($(COMPILE_ARCH), xtensa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)     ifndef CROSS_COMPILE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)       CROSS_COMPILE = xtensa_$(VARIANT)-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)     endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)   endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) # Platform configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) platform-$(CONFIG_XTENSA_PLATFORM_XT2000)	:= xt2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA)	:= xtfpga
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) PLATFORM = $(platform-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) export PLATFORM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) # temporarily until string.h is fixed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) KBUILD_CFLAGS += -ffreestanding -D__linux__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) KBUILD_AFLAGS += -mlongcalls -mtext-section-literals
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) ifneq ($(CONFIG_LD_NO_RELAX),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) KBUILD_LDFLAGS := --no-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) CHECKFLAGS += -D__XTENSA_EB__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) CHECKFLAGS += -D__XTENSA_EL__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) KBUILD_DEFCONFIG := iss_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) # Only build variant and/or platform if it includes a Makefile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) # Find libgcc.a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) head-y		:= arch/xtensa/kernel/head.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) core-y		+= arch/xtensa/kernel/ arch/xtensa/mm/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) core-y		+= $(buildvar) $(buildplf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) core-y 		+= arch/xtensa/boot/dts/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) libs-y		+= arch/xtensa/lib/ $(LIBGCC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) drivers-$(CONFIG_OPROFILE)	+= arch/xtensa/oprofile/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) boot		:= arch/xtensa/boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) all Image zImage uImage xipImage: vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	$(Q)$(MAKE) $(build)=$(boot) $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) archheaders:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	$(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) define archhelp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97)   @echo '* Image       - Kernel ELF image with reset vector'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98)   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99)   @echo '* uImage      - U-Boot wrapped image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)   @echo '  xipImage    - XIP image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) endef