top/Makefile.inc: add _tohex
Get string of hex value of a given number.
Change-Id: I6d3525db19089938897b9d19ad9875bb07e0eecf
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
diff --git a/Makefile.inc b/Makefile.inc
index 96121d4..7258043 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -141,6 +141,7 @@
# toupper: returns the value in all uppercase
# ws_to_under: returns the value with any whitespace changed to underscores
_toint=$(shell printf "%d" $1)
+_tohex=$(shell printf 0x"%x" $1)
_int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))