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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>
This commit is contained in:
Zheng Bao 2023-02-11 16:28:16 +08:00 committed by Felix Held
parent 1ddb40f491
commit c1cc7eb869
1 changed files with 1 additions and 0 deletions
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Makefile.inc
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@ -141,6 +141,7 @@ $(foreach supported_arch,$(ARCH_SUPPORTED), \
# 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))))