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Andreas Sandberg ba00d7449d dev: Add a dummy VirtIO device 
VirtIO transport interfaces always expect a VirtIO device
pointer. However, there are cases (in particular when using VirtIO's
MMIO interface) where we want to instantiate an interface without a
device. Add a dummy device using VirtIO device ID 0 and no queues to
handle this use case.

Change-Id: I6cbe12fd403903ef585be40279c3b1321fde48ff
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Sudhanshu Jha <sudhanshu.jha@arm.com>
Reviewed-by: Rekai Gonzalez Alberquilla <rekai.gonzalezalberquilla@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2325
Reviewed-by: Weiping Liao <weipingliao@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-04-03 16:36:15 +00:00
..
alpha style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
arm arm: correct register read bug in Pl390 GIC 2017-03-21 10:47:15 +00:00
i2c dev: Add missing SConscript in src/dev/i2c 2015-12-10 18:46:02 +00:00
mips style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
net dev: net/i8254xGBe add two more wakeup registers to ignore 2017-02-09 18:59:55 -05:00
pci style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
sparc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
storage dev: Revert 0a316996de76 [dev, sim: Added missing override...] 2016-08-16 10:59:15 +01:00
virtio dev: Add a dummy VirtIO device 2017-04-03 16:36:15 +00:00
x86 style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
baddev.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
baddev.hh AddrRange: Transition from Range<T> to AddrRange 2012-09-19 06:15:44 -04:00
BadDevice.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
Device.py python: Fix incorrect header in the DmaDevice wrapper 2016-12-19 16:25:38 +00:00
dma_device.cc dev, kvm: Add a fast KVM-aware mode in DmaReadFifo 2017-03-07 11:14:28 +00:00
dma_device.hh dev, kvm: Add a fast KVM-aware mode in DmaReadFifo 2017-03-07 11:14:28 +00:00
intel_8254_timer.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
intel_8254_timer.hh sim: Refactor the serialization base class 2015-07-07 09:51:03 +01:00
io_device.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
io_device.hh sim: Decouple draining from the SimObject hierarchy 2015-07-07 09:51:05 +01:00
isa_fake.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
isa_fake.hh AddrRange: Transition from Range<T> to AddrRange 2012-09-19 06:15:44 -04:00
mc146818.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
mc146818.hh style: [patch 3/22] reduce include dependencies in some headers 2016-11-09 14:27:40 -06:00
pixelpump.cc dev: Add support for single-pass scan out in the PixelPump 2017-03-07 11:14:28 +00:00
pixelpump.hh dev: Add support for single-pass scan out in the PixelPump 2017-03-07 11:14:28 +00:00
platform.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
platform.hh dev: Rewrite PCI host functionality 2015-12-05 00:11:24 +00:00
Platform.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
ps2.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
ps2.hh style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
rtcreg.h dev: Clean up MC146818 register (A & B) handling 2013-06-03 12:28:41 +02:00
SConscript dev: Include DmaDevice in NULL builds 2016-12-19 16:25:38 +00:00
terminal.cc dev: Fix incorrect terminal backlog handling 2016-04-27 15:33:58 +01:00
terminal.hh base: Add support for changing output directories 2015-11-27 14:41:59 +00:00
Terminal.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
uart.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
uart.hh dev: Refactor terminal<->UART interface to make it more generic 2014-09-20 17:17:50 -04:00
Uart.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
uart8250.cc style: [patch 1/22] use /r/3648/ to reorganize includes 2016-11-09 14:27:37 -06:00
uart8250.hh misc: Add explicit overrides and fix other clang >= 3.5 issues 2015-10-12 04:08:01 -04:00