On 10/10/18 1:37 PM, Aaron Lindsay wrote: > pmccntr_read and pmccntr_write contained duplicate code that was already > being handled by pmccntr_sync. Consolidate the duplicated code into two > functions: pmccntr_op_start and pmccntr_op_finish. Add a companion to > c15_ccnt in CPUARMState so that we can simultaneously save both the > architectural register value and the last underlying cycle count - this > ensures time isn't lost and will also allow us to access the 'old' > architectural register value in order to detect overflows in later > patches. > > Signed-off-by: Aaron Lindsay <alind...@codeaurora.org> > --- > target/arm/cpu.h | 26 ++++++++---- > target/arm/helper.c | 96 +++++++++++++++++++++++--------------------- > target/arm/machine.c | 8 ++-- > 3 files changed, 73 insertions(+), 57 deletions(-)
Ok, looking at this follow-up makes more sense than the previous patch. Would it make sense to squash these two together? It also makes sense why you'd need the post_save hook. r~