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.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) # Adapted for MIPS Pete Popov, Dan Malek
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # Copyright (C) 1994 by Linus Torvalds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) # Adapted for PowerPC by Gary Thomas
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) # modified by Cort (cort@cs.nmt.edu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) # Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # Author: Wu Zhangjin <wuzhangjin@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) include $(srctree)/arch/mips/Kbuild.platforms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) # set the default size of the mallocing area for decompressing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) BOOT_HEAP_SIZE := 0x400000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) # Disable Function Tracer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) # Disable lq/sq in zboot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) ifdef CONFIG_CPU_LOONGSON64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) KCOV_INSTRUMENT		:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) UBSAN_SANITIZE := n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) # decompressor objects (linked with vmlinuz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) ifdef CONFIG_DEBUG_ZBOOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT)		   += $(obj)/dbg.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY)		   += $(obj)/uart-alchemy.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) vmlinuzobjs-$(CONFIG_ATH79)			   += $(obj)/uart-ath79.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) extra-y += uart-ath79.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	$(call cmd,shipped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) extra-y += ashldi3.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) $(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	$(call if_changed,shipped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) extra-y += bswapsi.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	$(call if_changed,shipped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) targets := $(notdir $(vmlinuzobjs-y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) targets += vmlinux.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	$(call if_changed,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) tool_$(CONFIG_KERNEL_GZIP)    = gzip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) tool_$(CONFIG_KERNEL_BZIP2)   = bzip2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) tool_$(CONFIG_KERNEL_LZ4)     = lz4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) tool_$(CONFIG_KERNEL_LZMA)    = lzma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) tool_$(CONFIG_KERNEL_LZO)     = lzo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) tool_$(CONFIG_KERNEL_XZ)      = xzkern
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) tool_$(CONFIG_KERNEL_ZSTD)    = zstd22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) targets += vmlinux.bin.z
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	$(call if_changed,$(tool_y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) targets += piggy.o dummy.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 			--set-section-flags=.image=contents,alloc,load,readonly,data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	$(call if_changed,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) # Calculate the load address of the compressed kernel image
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) hostprogs := calc_vmlinuz_load_addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) ifneq ($(zload-y),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) VMLINUZ_LOAD_ADDRESS := $(zload-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		$(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) vmlinuzobjs-y += $(obj)/piggy.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) quiet_cmd_zld = LD      $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)       cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) quiet_cmd_strip = STRIP	  $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)       cmd_strip = $(STRIP) -s $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	$(call cmd,zld)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	$(call cmd,strip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) # Some DECstations need all possible sections of an ECOFF executable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ifdef CONFIG_MACH_DECSTATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)   e2eflag := -a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) # elf2ecoff can only handle 32bit image
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) hostprogs += ../elf2ecoff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) ifdef CONFIG_32BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	VMLINUZ = vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	VMLINUZ = vmlinuz.32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) quiet_cmd_32 = OBJCOPY $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)       cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) vmlinuz.32: vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	$(call cmd,32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) quiet_cmd_ecoff = ECOFF	  $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)       cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	$(call cmd,ecoff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) vmlinuz.bin: vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	$(call cmd,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) vmlinuz.srec: vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	$(call cmd,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) uzImage.bin: vmlinuz.bin FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	$(call if_changed,uimage,none)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) clean-files += $(objtree)/vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) clean-files += $(objtree)/vmlinuz.32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) clean-files += $(objtree)/vmlinuz.ecoff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) clean-files += $(objtree)/vmlinuz.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) clean-files += $(objtree)/vmlinuz.srec