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2018-10-12arm: Use little endian packet accessors.Gabe Black
We know data is little endian, so we can use those accessors explicitly. Change-Id: Iee337109fcda134e1ac5a700e5141fd7060f9c45 Reviewed-on: https://gem5-review.googlesource.com/c/13457 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2018-09-10dev-arm: Factory SimObject for generating ArmInterruptPinGiacomo Travaglini
With this patch the python ArmInterruptPin SimObject matches to the C++ ArmInterruptPinGen. The latter is in charge of generating the ArmInterruptPin (which is not a SimObject anymore). This is meant to ease the generation of ArmInterruptPins: by not being SimObjects we are not forced to instantiate them in the configuration script; we can generate them dynamically instead throughout simulation. Change-Id: I917d73a26168447221f5993c8ae975ee3771e3bf Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/12401 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2018-06-07dev-arm: Add a MMIO transport interface for VirtIOAndreas Sandberg
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>