Dear Simon,
In message <[email protected]> you wrote:
> We need to subtract two hex numbers. Avoid using strtonum() by doing the
> subtraction in bc with a suitable input base.
>
> Signed-off-by: Simon Glass <[email protected]>
> Reported-by: Vasili Galka <[email protected]>
> ---
>
> Makefile | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index 24d9687..bb2f615 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -788,7 +788,8 @@ OBJCOPYFLAGS_u-boot.bin := -O binary
> binary_size_check: u-boot.bin System.map FORCE
> @file_size=`stat -c %s u-boot.bin` ; \
> map_size=$(shell cat System.map | \
> - awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end
> = $$1} END {if (start != "" && end != "") print strtonum("0x" end) -
> strtonum("0x" start)}'); \
> + awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end
> = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " -
> " toupper(start)}' \
> + | bc); \
I think instead of introducing yet another tool dependency this could
be rewritten to use just bash:
awk '/_image_copy_start/ {start = $1}
/_image_binary_end/ {end = $1}
END { if (start != "" && end != "")
print "printf %d $$((0x" end " - 0x" start "))"
}' |
bash
?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected]
Q: What's a light-year?
A: One-third less calories than a regular year.
_______________________________________________
U-Boot mailing list
[email protected]
http://lists.denx.de/mailman/listinfo/u-boot
