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lib/Makefile.inc: Generate placeholder spd.bin in lib/Makefile.inc

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When a new variant is created, it needs to have a path to its SPD binary
defined. Currently, this is done by setting SPD_SOURCES to a placeholder
SPD file, which just contains zero bytes.

To remove the need for a placeholder file, automatically generate a
single-byte spd.bin in lib/Makefile.inc when SPD_SOURCES is set to the
marker value 'placeholder'.

BUG=b:191776301
TEST=Change cappy/memory/Makefile to `SPD_SOURCES = placeholder`. Build
and check that spd.bin contains a single zero byte.

Signed-off-by: Reka Norman <rekanorman@google.com>
Change-Id: I11f8f9b7ea3bc32aa5c7a617558572a5c1c74c72
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57795
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Reka Norman
2021-09-21 14:29:24 +10:00
committed by Patrick Georgi
parent c2800a5a60
commit bdc49b2de3
2 changed files with 12 additions and 40 deletions
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32
spd/spd-placeholder.hex
View File

@ -1,32 +0,0 @@
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