From: Amit kumar <akamit91@hotmail.com>
To: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Subject: Accessing memory above 0xFFFFFFFF limit.
Date: Mon, 27 Nov 2017 12:20:06 +0000 [thread overview]
Message-ID: <DM5PR11MB1578C80B34A86C938C8D3FE4DC250@DM5PR11MB1578.namprd11.prod.outlook.com> (raw)
Hi.
I am trying to allocate a mem buffer above 4Gb address but the allocation
since i am unable to locate EdkiiIoMmuProtocol.
Status = gBS->LocateProtocol (&gEdkiiIoMmuProtocolGuid, NULL, (VOID **)&mIoMmuProtocol);
Status = mIoMmuProtocol->AllocateBuffer (
mIoMmuProtocol,
MaxAllocateType,
EfiBootServicesData,
1,
HostAddress,
EDKII_IOMMU_ATTRIBUTE_DUAL_ADDRESS_CYCLE
);
Best Regards
Amit Kumar
next reply other threads:[~2017-11-27 12:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 12:20 Amit kumar [this message]
2017-11-27 15:34 ` Accessing memory above 0xFFFFFFFF limit Laszlo Ersek
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