diff options
Diffstat (limited to 'arch/h8300/boot/compressed/Makefile')
| -rw-r--r-- | arch/h8300/boot/compressed/Makefile | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile new file mode 100644 index 000000000..9e2701069 --- /dev/null +++ b/arch/h8300/boot/compressed/Makefile @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# linux/arch/sh/boot/compressed/Makefile +# +# create a compressed vmlinux image from the original vmlinux +# + +targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o + +OBJECTS = $(obj)/head.o $(obj)/misc.o + +# +# IMAGE_OFFSET is the load offset of the compression loader +# Assign dummy values if these 2 variables are not defined, +# in order to suppress error message. +# +CONFIG_MEMORY_START ?= 0x00400000 +CONFIG_BOOT_LINK_OFFSET ?= 0x00280000 +IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)))) + +LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) +LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \ + --defsym output=$(CONFIG_MEMORY_START) + +$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE + $(call if_changed,ld) + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +suffix-$(CONFIG_KERNEL_GZIP) := gzip +suffix-$(CONFIG_KERNEL_LZO) := lzo + +$(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE + $(call if_changed,$(suffix-y)) + +LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T +OBJCOPYFLAGS := -O binary + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE + $(call if_changed,ld) + +CFLAGS_misc.o = -O0 |