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Diffstat (limited to 'arch/arm/boot/compressed/Makefile')
| -rw-r--r-- | arch/arm/boot/compressed/Makefile | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index a5889238fc9f..45a6b9b7af2a 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -117,8 +117,11 @@ ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj) asflags-y := -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. -KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \ - awk 'END{print $$3}') +KBSS_SZ = $(shell $(CROSS_COMPILE)nm $(obj)/../../../../vmlinux | \ + perl -e 'while (<>) { \ + $$bss_start=hex($$1) if /^([[:xdigit:]]+) B __bss_start$$/; \ + $$bss_end=hex($$1) if /^([[:xdigit:]]+) B __bss_stop$$/; \ + }; printf "%d\n", $$bss_end - $$bss_start;') LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) # Supply ZRELADDR to the decompressor via a linker symbol. ifneq ($(CONFIG_AUTO_ZRELADDR),y) |