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target/arm: Add Cortex-A55 CPU

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The Cortex-A55 is one of the newer armv8.2+ CPUs; in particular
it supports the Privileged Access Never (PAN) feature. Add
a model of this CPU, so you can use a CPU type on the virt
board that models a specific real hardware CPU, rather than
having to use the QEMU-specific "max" CPU type.

Signed-off-by: Timofey Kutergin <tkutergin@gmail.com>
Message-id: 20221121150819.2782817-1-tkutergin@gmail.com
[PMM: tweaked commit message]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Timofey Kutergin 2022-12-14 14:27:07 +00:00 • committed by Peter Maydell
parent 0a0044b181
commit 94bc3b067e
3 changed files with 71 additions and 0 deletions
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docs/system/arm/virt.rst
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@ -54,6 +54,7 @@ Supported guest CPU types:
- ``cortex-a15`` (32-bit; the default)
- ``cortex-a35`` (64-bit)
- ``cortex-a53`` (64-bit)
- ``cortex-a55`` (64-bit)
- ``cortex-a57`` (64-bit)
- ``cortex-a72`` (64-bit)
- ``cortex-a76`` (64-bit)