Re: [PATCH] MIPS - fix cycle counter timing calculations

[Philippe Mathieu-Daudé]

On 11/16/21 08:26, Simon Burge wrote:
> The cp0_count_ns value is calculated from the CP0_COUNT_RATE_DEFAULT
> constant in target/mips/cpu.c.  The cycle counter resolution is defined
> per-CPU in target/mips/cpu-defs.c.inc; use this value for calculating
> cp0_count_ns.  Fixings timing problems on guest OSs for the 20Kc CPU
> which has a CCRes of 1.
> ---
>  target/mips/cpu.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
Good catch. Too bad you didn't Cc'ed the maintainers, this patch
would have been in the 6.2 release.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Queued to mips-next.