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authorAndreas Sandberg <andreas.sandberg@arm.com>2016-11-07 18:21:43 +0000
committerAndreas Sandberg <andreas.sandberg@arm.com>2018-06-07 17:33:30 +0000
commitc5c71a751676a5adecad8ac43ec85b6c4c66ebf0 (patch)
treeade68beb4edf155b37285f9c573bb8e763f24d78 /util
parent409fbc653f5177f9f1da91877591a27b27302a3b (diff)
downloadgem5-c5c71a751676a5adecad8ac43ec85b6c4c66ebf0.tar.xz
dev-arm: Add a MMIO transport interface for VirtIO
The MMIO interface currently only supports a subset of version 0.9.5 of the VirtIO specification. It has the following known limitations: * The queue size hint (the QUEUE_NUM register) is ignored. * Queue alignment is assumed to be hard-coded to VirtQueue::ALIGN_SIZE (4096 bytes). * Only 4096 byte pages are currently supported. Change-Id: Ifd318f5e5bddab0b6a42d8c8af9ff2fbb477f98b Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Rekai Gonzalez Alberquilla <rekai.gonzalezalberquilla@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2326 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
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