diff options
| -rw-r--r-- | arch/mips/boot/.gitignore | 1 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/Makefile | 26 |
2 files changed, 14 insertions, 13 deletions
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore index 4667a5f..f210b09 100644 --- a/arch/mips/boot/.gitignore +++ b/arch/mips/boot/.gitignore @@ -3,3 +3,4 @@ elf2ecoff vmlinux.* zImage zImage.tmp +calc_vmlinuz_load_addr diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 3bdbeef..5831490 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -12,14 +12,6 @@ # Author: Wu Zhangjin <wuzhangjin@gmail.com> # -# compressed kernel load addr: VMLINUZ_LOAD_ADDRESS > VMLINUX_LOAD_ADDRESS + VMLINUX_SIZE -VMLINUX_SIZE := $(shell wc -c $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | cut -d' ' -f1) -VMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo -n $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) -# VMLINUZ_LOAD_ADDRESS = concat "high32 of VMLINUX_LOAD_ADDRESS" and "(low32 of VMLINUX_LOAD_ADDRESS) + VMLINUX_SIZE" -HIGH32 := $(shell A=$(VMLINUX_LOAD_ADDRESS); [ $${\#A} -gt 10 ] && expr substr "$(VMLINUX_LOAD_ADDRESS)" 3 $$(($${\#A} - 10))) -LOW32 := $(shell [ -n "$(HIGH32)" ] && A=11 || A=3; expr substr "$(VMLINUX_LOAD_ADDRESS)" $${A} 8) -VMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" -a -n "$(LOW32)" ] && printf "$(HIGH32)%08x" $$(($(VMLINUX_SIZE) + 0x$(LOW32)))) - # set the default size of the mallocing area for decompressing BOOT_HEAP_SIZE := 0x400000 @@ -63,10 +55,18 @@ OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE $(call if_changed,objcopy) -LDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T -vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/piggy.o - $(call cmd,ld) - $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) $@ +# Calculate the load address of the compressed kernel image +hostprogs-y := calc_vmlinuz_load_addr + +VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ + $(objtree)/$(KBUILD_IMAGE) $(VMLINUX_LOAD_ADDRESS)) + +vmlinuzobjs-y += $(obj)/piggy.o + +quiet_cmd_zld = LD $@ + cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ +vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr + $(call cmd,zld) # # Some DECstations need all possible sections of an ECOFF executable @@ -76,7 +76,7 @@ ifdef CONFIG_MACH_DECSTATION endif # elf2ecoff can only handle 32bit image -hostprogs-y := ../elf2ecoff +hostprogs-y += ../elf2ecoff ifdef CONFIG_32BIT VMLINUZ = vmlinuz |