On 08/02/2017 02:59 AM, James Hogan wrote:
RDHWR CC reads the CPU timer like MFC0 CP0_Count, so with icount enabled it must set can_do_io while it calls the helper to avoid the "Bad icount read" error. It should also break out of the translation loop to ensure that timer interrupts are immediately handled.Fixes: 2e70f6efa8b9 ("Add instruction counter.") Signed-off-by: James Hogan<james.ho...@imgtec.com> Cc: Aurelien Jarno<aurel...@aurel32.net> Cc: Yongbok Kim<yongbok....@imgtec.com> --- I've based this on MFC0 Count, but this instruction is also available to usermode (e.g. CONFIG_USER_ONLY), which I presume is still fine. --- target/mips/translate.c | 11 +++++++++++ 1 file changed, 11 insertions(+), 0 deletions(-)
Reviewed-by: Richard Henderson <r...@twiddle.net> r~
