arch/armv8-r: Enable fpu before arm_el_init #16120
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In the arm_el_init function, the FPU might be used, for example, the assembly optimization of memcpy in arm_tcm_load uses FPU and NEON instructions and registers. Therefore, it's important to initialize the FPU as early as possible to prevent system hangs that could occur if the FPU is used without being initialized. Signed-off-by: Jinliang Li <[email protected]>
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Summary
In the arm_el_init function, the FPU might be used, for example, the assembly optimization of memcpy uses FPU and NEON instructions and registers.
Therefore, it's important to initialize the
FPU as early as possible to prevent system hangs that could occur if the FPU is used without being initialized.
Impact
arch/arm/armv8-r arch init
Testing
cortex-r52