gwj / at91sam9263 · Commits

Commit 8487327a1dabd9ce8899d0e1af151b334980c575

Authored by ths
1 parent 5b9693dc

Make sure hflags are updated for CP0_Status changes. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2918 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 42 additions and 8 deletions
target-mips/translate.c
  View file @8487327
... ... @@ -2627,25 +2627,32 @@ static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
2627 2627 switch (sel) {
2628 2628 case 0:
2629 2629 gen_op_mtc0_status();
  2630 + /* BS_STOP isn't good enough here, hflags may have changed. */
  2631 + gen_save_pc(ctx->pc + 4);
  2632 + ctx->bstate = BS_EXCP;
2630 2633 rn = "Status";
2631 2634 break;
2632 2635 case 1:
2633 2636 gen_op_mtc0_intctl();
  2637 + /* Stop translation as we may have switched the execution mode */
  2638 + ctx->bstate = BS_STOP;
2634 2639 rn = "IntCtl";
2635 2640 break;
2636 2641 case 2:
2637 2642 gen_op_mtc0_srsctl();
  2643 + /* Stop translation as we may have switched the execution mode */
  2644 + ctx->bstate = BS_STOP;
2638 2645 rn = "SRSCtl";
2639 2646 break;
2640 2647 case 3:
2641 2648 gen_op_mtc0_srsmap();
  2649 + /* Stop translation as we may have switched the execution mode */
  2650 + ctx->bstate = BS_STOP;
2642 2651 rn = "SRSMap";
2643 2652 break;
2644 2653 default:
2645 2654 goto die;
2646 2655 }
2647   - /* Stop translation as we may have switched the execution mode */
2648   - ctx->bstate = BS_STOP;
2649 2656 break;
2650 2657 case 13:
2651 2658 switch (sel) {
... ... @@ -2781,29 +2788,40 @@ static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
2781 2788 switch (sel) {
2782 2789 case 0:
2783 2790 gen_op_mtc0_debug(); /* EJTAG support */
  2791 + /* BS_STOP isn't good enough here, hflags may have changed. */
  2792 + gen_save_pc(ctx->pc + 4);
  2793 + ctx->bstate = BS_EXCP;
2784 2794 rn = "Debug";
2785 2795 break;
2786 2796 case 1:
2787 2797 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
2788 2798 rn = "TraceControl";
  2799 + /* Stop translation as we may have switched the execution mode */
  2800 + ctx->bstate = BS_STOP;
2789 2801 // break;
2790 2802 case 2:
2791 2803 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
2792 2804 rn = "TraceControl2";
  2805 + /* Stop translation as we may have switched the execution mode */
  2806 + ctx->bstate = BS_STOP;
2793 2807 // break;
2794 2808 case 3:
  2809 + /* Stop translation as we may have switched the execution mode */
  2810 + ctx->bstate = BS_STOP;
2795 2811 // gen_op_mtc0_usertracedata(); /* PDtrace support */
2796 2812 rn = "UserTraceData";
  2813 + /* Stop translation as we may have switched the execution mode */
  2814 + ctx->bstate = BS_STOP;
2797 2815 // break;
2798 2816 case 4:
2799 2817 // gen_op_mtc0_debug(); /* PDtrace support */
  2818 + /* Stop translation as we may have switched the execution mode */
  2819 + ctx->bstate = BS_STOP;
2800 2820 rn = "TraceBPC";
2801 2821 // break;
2802 2822 default:
2803 2823 goto die;
2804 2824 }
2805   - /* Stop translation as we may have switched the execution mode */
2806   - ctx->bstate = BS_STOP;
2807 2825 break;
2808 2826 case 24:
2809 2827 switch (sel) {
... ... @@ -3704,25 +3722,32 @@ static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
3704 3722 switch (sel) {
3705 3723 case 0:
3706 3724 gen_op_mtc0_status();
  3725 + /* BS_STOP isn't good enough here, hflags may have changed. */
  3726 + gen_save_pc(ctx->pc + 4);
  3727 + ctx->bstate = BS_EXCP;
3707 3728 rn = "Status";
3708 3729 break;
3709 3730 case 1:
3710 3731 gen_op_mtc0_intctl();
  3732 + /* Stop translation as we may have switched the execution mode */
  3733 + ctx->bstate = BS_STOP;
3711 3734 rn = "IntCtl";
3712 3735 break;
3713 3736 case 2:
3714 3737 gen_op_mtc0_srsctl();
  3738 + /* Stop translation as we may have switched the execution mode */
  3739 + ctx->bstate = BS_STOP;
3715 3740 rn = "SRSCtl";
3716 3741 break;
3717 3742 case 3:
3718 3743 gen_op_mtc0_srsmap();
  3744 + /* Stop translation as we may have switched the execution mode */
  3745 + ctx->bstate = BS_STOP;
3719 3746 rn = "SRSMap";
3720 3747 break;
3721 3748 default:
3722 3749 goto die;
3723 3750 }
3724   - /* Stop translation as we may have switched the execution mode */
3725   - ctx->bstate = BS_STOP;
3726 3751 break;
3727 3752 case 13:
3728 3753 switch (sel) {
... ... @@ -3849,29 +3874,38 @@ static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
3849 3874 switch (sel) {
3850 3875 case 0:
3851 3876 gen_op_mtc0_debug(); /* EJTAG support */
  3877 + /* BS_STOP isn't good enough here, hflags may have changed. */
  3878 + gen_save_pc(ctx->pc + 4);
  3879 + ctx->bstate = BS_EXCP;
3852 3880 rn = "Debug";
3853 3881 break;
3854 3882 case 1:
3855 3883 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
  3884 + /* Stop translation as we may have switched the execution mode */
  3885 + ctx->bstate = BS_STOP;
3856 3886 rn = "TraceControl";
3857 3887 // break;
3858 3888 case 2:
3859 3889 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
  3890 + /* Stop translation as we may have switched the execution mode */
  3891 + ctx->bstate = BS_STOP;
3860 3892 rn = "TraceControl2";
3861 3893 // break;
3862 3894 case 3:
3863 3895 // gen_op_mtc0_usertracedata(); /* PDtrace support */
  3896 + /* Stop translation as we may have switched the execution mode */
  3897 + ctx->bstate = BS_STOP;
3864 3898 rn = "UserTraceData";
3865 3899 // break;
3866 3900 case 4:
3867 3901 // gen_op_mtc0_debug(); /* PDtrace support */
  3902 + /* Stop translation as we may have switched the execution mode */
  3903 + ctx->bstate = BS_STOP;
3868 3904 rn = "TraceBPC";
3869 3905 // break;
3870 3906 default:
3871 3907 goto die;
3872 3908 }
3873   - /* Stop translation as we may have switched the execution mode */
3874   - ctx->bstate = BS_STOP;
3875 3909 break;
3876 3910 case 24:
3877 3911 switch (sel) {
... ...