| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | # |
| 2 | # linux/arch/sh/boot/compressed/Makefile |
| 3 | # |
| 4 | # create a compressed vmlinux image from the original vmlinux |
| 5 | # |
| 6 | |
| 7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o |
| 8 | |
| 9 | OBJECTS = $(obj)/head.o $(obj)/misc.o |
| 10 | |
| 11 | # |
| 12 | # IMAGE_OFFSET is the load offset of the compression loader |
| 13 | # Assign dummy values if these 2 variables are not defined, |
| 14 | # in order to suppress error message. |
| 15 | # |
| 16 | CONFIG_MEMORY_START ?= 0x00400000 |
| 17 | CONFIG_BOOT_LINK_OFFSET ?= 0x00280000 |
| 18 | IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)))) |
| 19 | |
| 20 | LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
| 21 | LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \ |
| 22 | --defsym output=$(CONFIG_MEMORY_START) |
| 23 | |
| 24 | $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE |
| 25 | $(call if_changed,ld) |
| 26 | @: |
| 27 | |
| 28 | $(obj)/vmlinux.bin: vmlinux FORCE |
| 29 | $(call if_changed,objcopy) |
| 30 | |
| 31 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE |
| 32 | $(call if_changed,gzip) |
| 33 | |
| 34 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T |
| 35 | OBJCOPYFLAGS := -O binary |
| 36 | |
| 37 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE |
| 38 | $(call if_changed,ld) |