| commit | 4e7beb0cc0f3fb05f1c055113debaa0c7d34fc89 | |
| author | Aaron Lindsay OS <aaron@os.amperecomputing.com> | |
| Fri, 1 Feb 2019 14:55:45 +0000 (1 14:55 +0000) | ||
| committer | Peter Maydell <peter.maydell@linaro.org> | |
| Fri, 1 Feb 2019 14:55:45 +0000 (1 14:55 +0000) | ||
| tree | 25458d54a3b9c7dd01cac5c7bc666d9fde85cc7d | treesnapshot (tar.gz zip) |
| parent | f4efb4b2a17528837cb445f9bdfaef8df4a5acf7 | commitdiff |
target/arm: Add a timer to predict PMU counter overflow
Make PMU overflow interrupts more accurate by using a timer to predict
when they will overflow rather than waiting for an event to occur which
allows us to otherwise check them.
Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190124162401.5111-3-aaron@os.amperecomputing.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Make PMU overflow interrupts more accurate by using a timer to predict
when they will overflow rather than waiting for an event to occur which
allows us to otherwise check them.
Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190124162401.5111-3-aaron@os.amperecomputing.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| target/arm/cpu.c | diffblobblamehistory | |
| target/arm/cpu.h | diffblobblamehistory | |
| target/arm/helper.c | diffblobblamehistory |