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Re: [PATCH 04/10] target/arm: Ignore PMCR.D when PMCR.LC is set


From: Richard Henderson
Subject: Re: [PATCH 04/10] target/arm: Ignore PMCR.D when PMCR.LC is set
Date: Thu, 11 Aug 2022 10:45:30 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0

On 8/11/22 10:16, Peter Maydell wrote:
The architecture requires that if PMCR.LC is set (for a 64-bit cycle
counter) then PMCR.D (which enables the clock divider so the counter
ticks every 64 cycles rather than every cycle) should be ignored.  We
were always honouring PMCR.D; fix the bug so we correctly ignore it
in this situation.

Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
---
  target/arm/helper.c | 17 +++++++++++++----
  1 file changed, 13 insertions(+), 4 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~



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