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arch: arm64: ARMv8-A support for NuttX#6478

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hartmannathan merged 1 commit intoapache:masterfrom
qinwei2004:arm64
Jul 14, 2022
Merged

arch: arm64: ARMv8-A support for NuttX#6478
hartmannathan merged 1 commit intoapache:masterfrom
qinwei2004:arm64

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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 qinwei1@xiaomi.com

Impact

No impact to the other platform

Testing

testing with ostest, smp.

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ARMv8-A/R support in NuttX

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