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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,sami.mujawar@arm.com X-Gm-Message-State: RRycnYh1jGfTV88AgvM20lMTx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1684935543; bh=olbQ/zSxq7cyWmU6npIZaoeSL0eeQirgnIwEUpmCP6M=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=TcMxp6/FwZX09iCSktb3s1FVuU1P7LccpggqyTkzDZjZLaBxxXK7rtOhv/uLuwBIRp+ movCzP3AAoVcY1UTouNa9YHnMERiHROrmPm/b7I2xgVqCpQEH9ppeJag0ju3pLLMk8Xey GybFUCywOwi+nDemvFbxUW2G/4R6TfZf6C0= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1684935545329100015 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" GICD_SGIR is a 32-bit register, of which INTID is bits [3:0] and Bits [14:4] is RES0. Since SgiId parameter in the function ArmGicSendSgiTo () is UINT8, mask unused bits of SgiId before writing to the GICD_SGIR register to prevent accidental setting of the RES0 bits. Signed-off-by: Sami Mujawar Reviewed-by: Ard Biesheuvel --- Notes: v2: - Updated copyright year [Sami] ArmPkg/Drivers/ArmGic/ArmGicLib.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/ArmPkg/Drivers/ArmGic/ArmGicLib.c b/ArmPkg/Drivers/ArmGic/ArmG= icLib.c index eefe6350eb804bf9b2727b605d59035877ffb817..0127cca3bf0567bc80702f415e9= cbb9bd2709fbc 100644 --- a/ArmPkg/Drivers/ArmGic/ArmGicLib.c +++ b/ArmPkg/Drivers/ArmGic/ArmGicLib.c @@ -148,7 +148,9 @@ ArmGicSendSgiTo ( { MmioWrite32 ( GicDistributorBase + ARM_GIC_ICDSGIR, - ((TargetListFilter & 0x3) << 24) | ((CPUTargetList & 0xFF) << 16) | Sg= iId + ((TargetListFilter & 0x3) << 24) | + ((CPUTargetList & 0xFF) << 16) | + (SgiId & 0xF) ); } =20 --=20 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)' -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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