tree afc157ab16b8b79abfefe539bbe05bbaa3f105a6
parent f23cf44c4715575ffdac41ad3ae0a5f65626ef09
author Eran Mitrani <mitrani@google.com> 1655507978 -0700
committer Felix Held <felix-coreboot@felixheld.de> 1656006180 +0000

soc/intel/adl: Cast size in systemagent.c to fix overflow

This CL fixes my previous CL (commit ca741055e)
which introduced a couple of issues found by Coverity (see below).
The Coverity explanation is: "Potentially overflowing expression "size_field * 1048576U" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned)."

*** CID 1490122:  Integer handling issues  (OVERFLOW_BEFORE_WIDEN)
/src/soc/intel/alderlake/systemagent.c: 305 in get_dpr_size()

*** CID 1490121:  Integer handling issues  (OVERFLOW_BEFORE_WIDEN)
/src/soc/intel/alderlake/systemagent.c: 254 in get_dsm_size()


BUG=b:149830546
BRANCH=firmware-brya-14505.B
TEST='emerge-brya coreboot chromeos-bootimage' builds correctly.
Tested on an Anahera device which successfully boots to ChromeOS
with kernel version 5.10.109-15688-g857e654d1705.

Change-Id: Ib2d66ad24a5ad67b51036ad376a6938f698134c3
Signed-off-by: Eran Mitrani <mitrani@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65212
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>