qinwei2004 opened a new pull request, #6478:
URL: https://github.com/apache/incubator-nuttx/pull/6478
## Summary:
Arm64 support for NuttX, Features supported:
1. Cotex-a53 single core and SMP support: it's can run into nsh shell at
qemu virt machine.
2. qemu-a53 board configuration support: it's only for evaluate propose
3. FPU support for armv8-a: FPU context switching at NEON/floating-point
TRAP is supported.
4. psci interface, armv8 cache operation(data cache) and smccc support.
Please refer to boards/arm64/qemu/qemu-a53/README.txt for detail
Signed-off-by: qinwei1 <qinw...@xiaomi.com>
## Impact
No impact to the other platform
## Testing
testing with ostest, smp.
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