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These classes now track what endianness they're supposed to use
explicitly, initially set by the getGuestByteOrder accessor on the
system object. In the future, if the endianness depends on the
version of the VirtIO spec as the comment suggest, it will be easier
to dynamically set the endianness in the various structures based on
the version being used,
Since there isn't anything special about the virt IO versions of these
converters other than their types, and since the endianness conversion
infrastructure can be taught how to convert new types, the code was
switched over to using the standard htog and gtoh but with the
explicit byte order provided.
This also gets rid of the final use of TheISA in the dev directory.
Change-Id: I9345e3295eb27fc5eb87e8ce0d8d424ad1e75d2d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22273
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
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Change-Id: I104227fc460f8b561e7375b329a541c1fce881b2
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/4291
Reviewed-by: Gabe Black <gabeblack@google.com>
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The UART models currently assume that they are always wired to a
terminal. While true at the moment, this isn't necessarily a valid
assumption. This change introduces the SerialDevice class that defines
the interface for serial devices. Currently, Terminal is the only
class that implements this interface.
Change-Id: I74fefafbbaf5ac1ec0d4ec0b5a0f4b246fdad305
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/4289
Reviewed-by: Gabe Black <gabeblack@google.com>
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