On 4/16/19 5:57 AM, Peter Maydell wrote: > The M-profile FPCCR.ASPEN bit indicates that automatic floating-point > context preservation is enabled. Before executing any floating-point > instruction, if FPCCR.ASPEN is set and the CONTROL FPCA/SFPA bits > indicate that there is no active floating point context then we > must create a new context (by initializing FPSCR and setting > FPCA/SFPA to indicate that the context is now active). In the > pseudocode this is handled by ExecuteFPCheck(). > > Implement this with a new TB flag which tracks whether we > need to create a new FP context. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > --- > target/arm/cpu.h | 2 ++ > target/arm/translate.h | 1 + > target/arm/helper.c | 13 +++++++++++++ > target/arm/translate.c | 29 +++++++++++++++++++++++++++++ > 4 files changed, 45 insertions(+)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
