diff options
Diffstat (limited to 'arch/x86/boot/compressed/Makefile')
-rw-r--r-- | arch/x86/boot/compressed/Makefile | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 20db5b3609de..d999398928bc 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -3,6 +3,18 @@ # # create a compressed vmlinux image from the original vmlinux # +# vmlinuz is: +# decompression code (*.o) +# asm globals (piggy.S), including: +# vmlinux.bin.(gz|bz2|lzma|...) +# +# vmlinux.bin is: +# vmlinux stripped of debugging and comments +# vmlinux.bin.all is: +# vmlinux.bin + vmlinux.relocs +# vmlinux.bin.(gz|bz2|lzma|...) is: +# (see scripts/Makefile.lib size_append) +# compressed vmlinux.bin.all + u32 size of vmlinux.bin.all targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 @@ -77,8 +89,10 @@ suffix-$(CONFIG_KERNEL_XZ) := xz suffix-$(CONFIG_KERNEL_LZO) := lzo suffix-$(CONFIG_KERNEL_LZ4) := lz4 +RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \ + perl $(srctree)/arch/x86/tools/calc_run_size.pl) quiet_cmd_mkpiggy = MKPIGGY $@ - cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) + cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false ) targets += piggy.S $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE |