[PATCH v5] riscv: entry: set a0 = -ENOSYS only when syscall != -1

[Andreas Schwab]

On Jun 27 2024, Celeste Liu wrote:

> suggestion and we found cast long to ulong is implementation-defined
> behavior in C

There is nothing implementaton-defined in a long to ulong conversion.

-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
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