arch: arm: Optimise Cortex-R exception return function. #20477
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stephanosio
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@stephanosio can you rebase this one, to resume reviewing? |
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@ioannisg Now that the |
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Please rebase for a fresh CI run |
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FYI @bbolen |
z_arm_exc_exit (z_arm_int_exit) requires the current execution mode to be specified as a parameter (through r0). This is not necessary because this value can be directly read from CPSR. This commit modifies the exception return function to retrieve the current execution mode from CPSR and removes all provisions for passing the execution mode parameter. Signed-off-by: Stephanos Ioannidis <[email protected]>
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I'm late to the party, but looks good to me. |
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z_arm_exc_exit (z_arm_int_exit) requires the current execution mode to
be specified as a parameter (through r0). This is not necessary because
this value can be directly read from CPSR.
This commit modifies the exception return function to retrieve the
current execution mode from CPSR and removes all provisions for passing
the execution mode parameter.
Signed-off-by: Stephanos Ioannidis [email protected]
NOTE: