diff options
Diffstat (limited to 'arch/mips/boot/compressed/Makefile')
| -rw-r--r-- | arch/mips/boot/compressed/Makefile | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile new file mode 100644 index 000000000..6cc28173b --- /dev/null +++ b/arch/mips/boot/compressed/Makefile @@ -0,0 +1,219 @@ +# +# This file is subject to the terms and conditions of the GNU General Public +# License. +# +# Adapted for MIPS Pete Popov, Dan Malek +# +# Copyright (C) 1994 by Linus Torvalds +# Adapted for PowerPC by Gary Thomas +# modified by Cort (cort@cs.nmt.edu) +# +# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University +# Author: Wu Zhangjin <wuzhangjin@gmail.com> +# + +include $(srctree)/arch/mips/Kbuild.platforms + +# set the default size of the mallocing area for decompressing +BOOT_HEAP_SIZE := 0x400000 + +# Disable Function Tracer +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS)) + +KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) + +# Disable lq/sq in zboot +ifdef CONFIG_CPU_LOONGSON64 +KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2 +endif + +KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \ + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" + +KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ + -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) + +# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. +KCOV_INSTRUMENT := n +GCOV_PROFILE := n +UBSAN_SANITIZE := n +KCSAN_SANITIZE := n + +# decompressor objects (linked with vmlinuz) +vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o + +ifdef CONFIG_DEBUG_ZBOOT +vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o +vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o +vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o +vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o +vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o +endif + +vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o + +vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o $(obj)/clz_ctz.o + +targets := $(notdir $(vmlinuzobjs-y)) + +targets += vmlinux.bin + +OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S + +$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE + $(call if_changed,objcopy) + +tool_$(CONFIG_KERNEL_GZIP) = gzip +tool_$(CONFIG_KERNEL_BZIP2) = bzip2_with_size +tool_$(CONFIG_KERNEL_LZ4) = lz4_with_size +tool_$(CONFIG_KERNEL_LZMA) = lzma_with_size +tool_$(CONFIG_KERNEL_LZO) = lzo_with_size +tool_$(CONFIG_KERNEL_XZ) = xzkern_with_size +tool_$(CONFIG_KERNEL_ZSTD) = zstd22_with_size + +targets += vmlinux.bin.z + +$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE + $(call if_changed,$(tool_y)) + +targets += piggy.o dummy.o + +OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ + --set-section-flags=.image=contents,alloc,load,readonly,data + +$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE + $(call if_changed,objcopy) + +HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE) + +# Calculate the load address of the compressed kernel image +hostprogs := calc_vmlinuz_load_addr + +ifneq (0x0,$(CONFIG_ZBOOT_LOAD_ADDRESS)) +zload-y = $(CONFIG_ZBOOT_LOAD_ADDRESS) +endif + +ifneq ($(zload-y),) +VMLINUZ_LOAD_ADDRESS := $(zload-y) +else +VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ + $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS)) +endif +UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) + +vmlinuzobjs-y += $(obj)/piggy.o + +targets += ../../../../vmlinuz + +quiet_cmd_zld = LD $@ + cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ +quiet_cmd_strip = STRIP $@ + cmd_strip = $(STRIP) -s $@ + +$(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr + $(call cmd,zld) + $(call cmd,strip) + +objboot := $(objtree)/arch/mips/boot + +$(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE + +# +# Some DECstations need all possible sections of an ECOFF executable +# +ifdef CONFIG_MACH_DECSTATION + e2eflag := -a +endif + +# elf2ecoff can only handle 32bit image +hostprogs += ../elf2ecoff + +ifdef CONFIG_32BIT + VMLINUZ = $(objtree)/vmlinuz +else + VMLINUZ = $(objboot)/vmlinuz.32 +endif + +targets += ../vmlinuz.32 + +quiet_cmd_32 = OBJCOPY $@ + cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ + +$(objboot)/vmlinuz.32: $(objtree)/vmlinuz + $(call cmd,32) + +targets += ../vmlinuz.ecoff + +quiet_cmd_ecoff = ECOFF $@ + cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) + +$(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ) + $(call cmd,ecoff) + +targets += ../vmlinuz.bin + +OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary + +$(objboot)/vmlinuz.bin: $(objtree)/vmlinuz + $(call cmd,objcopy) + +targets += ../vmlinuz.srec + +OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec + +$(objboot)/vmlinuz.srec: $(objtree)/vmlinuz + $(call cmd,objcopy) + +targets += ../uzImage.bin + +$(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE + $(call if_changed,uimage,none) + +# +# Flattened Image Tree (.itb) image +# + +ifeq ($(ADDR_BITS),32) +itb_addr_cells = 1 +endif +ifeq ($(ADDR_BITS),64) +itb_addr_cells = 2 +endif + +targets += ../vmlinuz.its.S + +quiet_cmd_its_cat = CAT $@ + cmd_its_cat = cat $(real-prereqs) >$@ + +$(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE + $(call if_changed,its_cat) + +targets += ../vmlinuz.its + +quiet_cmd_cpp_its_S = ITS $@ + cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ + -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \ + -DVMLINUX_BINARY="\"$(2)\"" \ + -DVMLINUX_COMPRESSION="\"none\"" \ + -DVMLINUX_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ + -DVMLINUX_ENTRY_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ + -DADDR_BITS=$(ADDR_BITS) \ + -DADDR_CELLS=$(itb_addr_cells) + +$(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE + $(call if_changed,cpp_its_S,vmlinuz.bin) + +targets += ../vmlinuz.itb + +quiet_cmd_itb-image = ITB $@ + cmd_itb-image = \ + env PATH="$(objtree)/scripts/dtc:$(PATH)" \ + $(BASH) $(MKIMAGE) \ + -D "-I dts -O dtb -p 500 \ + --include $(objtree)/arch/mips \ + --warning no-unit_address_vs_reg" \ + -f $(2) $@ + +$(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE + $(call if_changed,itb-image,$<) |