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2018-04-17ps2: Unify constant namesAndreas Sandberg
Move ps2.hh to dev/ps2/types.hh and update the device models to consistently use well-known constants from this header. Change-Id: Iadfdc774495957beb82f3d341107b1e9232ffd4c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9770 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-04-17ps2: Unify device data bufferingAndreas Sandberg
All PS/2 device currently implement various ad-hoc mechanisms to handle multi-byte commands. This is error-prone and makes it hard to implement new devices. Create a buffering mechanism in the base class to avoid this. Change-Id: If5638b0ab68decea8de7631ecead0a9ebad1547b Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9765 Reviewed-by: Gabe Black <gabeblack@google.com>
2018-04-17ps2: Factor out PS/2 devices into their own subsystemAndreas Sandberg
PS/2 devices are currently emulated both in the i8042 model and the Arm KMI model. This is undesirable since it leads to code duplication. This change introduces a common PS/2 device interface and factor out the x86 keyboard and mouse model. A subsequent commit will implement support for this interface in the Arm KMI model. Change-Id: I440e83517fd9dce362fdc1676db477cc6eee5211 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9762 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>