Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # This file is included by the global makefile so that you can add your own
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) # architecture-specific flags and dependencies. Remember to do have actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # for "archclean" and "archdep" for cleaning up and making dependencies for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) # this architecture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) # This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # License.  See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) # for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) OBJCOPYFLAGS    := -O binary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) LDFLAGS_vmlinux :=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) ifeq ($(CONFIG_DYNAMIC_FTRACE),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	LDFLAGS_vmlinux := --no-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) ifeq ($(CONFIG_CMODEL_MEDLOW),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) KBUILD_CFLAGS_MODULE += -mcmodel=medany
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) export BITS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) ifeq ($(CONFIG_ARCH_RV64I),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	BITS := 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	UTS_MACHINE := riscv64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	KBUILD_CFLAGS += -mabi=lp64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	KBUILD_AFLAGS += -mabi=lp64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	KBUILD_LDFLAGS += -melf64lriscv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	BITS := 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	UTS_MACHINE := riscv32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	KBUILD_CFLAGS += -mabi=ilp32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	KBUILD_AFLAGS += -mabi=ilp32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	KBUILD_LDFLAGS += -melf32lriscv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) ifeq ($(CONFIG_LD_IS_LLD),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	KBUILD_CFLAGS += -mno-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	KBUILD_AFLAGS += -mno-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) ifneq ($(LLVM_IAS),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	KBUILD_CFLAGS += -Wa,-mno-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	KBUILD_AFLAGS += -Wa,-mno-relax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) # ISA string setting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) riscv-march-$(CONFIG_ARCH_RV32I)	:= rv32ima
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) riscv-march-$(CONFIG_ARCH_RV64I)	:= rv64ima
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) riscv-march-$(CONFIG_FPU)		:= $(riscv-march-y)fd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) riscv-march-$(CONFIG_RISCV_ISA_C)	:= $(riscv-march-y)c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) # Newer binutils versions default to ISA spec version 20191213 which moves some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) # instructions from the I extension to the Zicsr and Zifencei extensions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) toolchain-need-zicsr-zifencei := $(call cc-option-yn, -march=$(riscv-march-y)_zicsr_zifencei)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) riscv-march-$(toolchain-need-zicsr-zifencei) := $(riscv-march-y)_zicsr_zifencei
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) KBUILD_AFLAGS += -march=$(riscv-march-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) KBUILD_CFLAGS += -mno-save-restore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) ifeq ($(CONFIG_CMODEL_MEDLOW),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	KBUILD_CFLAGS += -mcmodel=medlow
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) ifeq ($(CONFIG_CMODEL_MEDANY),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	KBUILD_CFLAGS += -mcmodel=medany
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) ifeq ($(CONFIG_PERF_EVENTS),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)         KBUILD_CFLAGS += -fno-omit-frame-pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) # GCC versions that support the "-mstrict-align" option default to allowing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) # unaligned accesses.  While unaligned accesses are explicitly allowed in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) # RISC-V ISA, they're emulated by machine mode traps on all extant
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) # architectures.  It's faster to have GCC emit only aligned accesses.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) KBUILD_CFLAGS += $(call cc-option,-mstrict-align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) # arch specific predefines for sparse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) # Default target when executing plain make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) boot		:= arch/riscv/boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) KBUILD_IMAGE	:= $(boot)/Image.gz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) head-y := arch/riscv/kernel/head.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) core-y += arch/riscv/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) libs-y += arch/riscv/lib/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) PHONY += vdso_install
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) vdso_install:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	$(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_KENDRYTE),yy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) KBUILD_IMAGE := $(boot)/loader.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) KBUILD_IMAGE := $(boot)/Image.gz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) BOOT_TARGETS := Image Image.gz loader loader.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) all:	$(notdir $(KBUILD_IMAGE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) $(BOOT_TARGETS): vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	@$(kecho) '  Kernel: $(boot)/$@ is ready'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) zinstall install:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	$(Q)$(MAKE) $(build)=$(boot) $@