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OvmfPkg: Replace static struct initialization with ZeroMem call

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Replace the static struct initialization with a call to ZeroMem to avoid
generating a call to memset in certain build configurations.

Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
This commit is contained in:
Rebecca Cran
2023-03-28 11:30:59 -06:00
committed by mergify[bot]
parent e3aba976f6
commit 8f8e4fa3f3
1 changed files with 3 additions and 1 deletions
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4
OvmfPkg/Library/PlatformInitLib/MemDetect.c
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@@ -595,10 +595,12 @@ PlatformAddressWidthFromCpuid (
{ {
UINT32 RegEax, RegEbx, RegEcx, RegEdx, Max; UINT32 RegEax, RegEbx, RegEcx, RegEdx, Max;
UINT8 PhysBits; UINT8 PhysBits;
CHAR8 Signature[13] = { 0 }; CHAR8 Signature[13];
BOOLEAN Valid = FALSE; BOOLEAN Valid = FALSE;
BOOLEAN Page1GSupport = FALSE; BOOLEAN Page1GSupport = FALSE;
ZeroMem (Signature, sizeof (Signature));
AsmCpuid (0x80000000, &RegEax, &RegEbx, &RegEcx, &RegEdx); AsmCpuid (0x80000000, &RegEax, &RegEbx, &RegEcx, &RegEdx);
*(UINT32 *)(Signature + 0) = RegEbx; *(UINT32 *)(Signature + 0) = RegEbx;
*(UINT32 *)(Signature + 4) = RegEdx; *(UINT32 *)(Signature + 4) = RegEdx;