accel/tcg/tcg-accel-ops-icount.c

4  * Copyright (c) 2003-2008 Fabrice Bellard
29 #include "qemu/main-loop.h"
30 #include "qemu/guest-random.h"
33 #include "tcg-accel-ops.h"
34 #include "tcg-accel-ops-icount.h"
35 #include "tcg-accel-ops-rr.h"
83      * Instructions, interrupts, and exceptions are processed in cpu-exec.  in icount_handle_deadline()
114     g_assert(cpu->neg.icount_decr.u16.low == 0);  in icount_prepare_for_run()
115     g_assert(cpu->icount_extra == 0);  in icount_prepare_for_run()
119     cpu->icount_budget = MIN(icount_get_limit(), cpu_budget);  in icount_prepare_for_run()
120     insns_left = MIN(0xffff, cpu->icount_budget);  in icount_prepare_for_run()
121     cpu->neg.icount_decr.u16.low = insns_left;  in icount_prepare_for_run()
122     cpu->icount_extra = cpu->icount_budget - insns_left;  in icount_prepare_for_run()
124     if (cpu->icount_budget == 0) {  in icount_prepare_for_run()
141     cpu->neg.icount_decr.u16.low = 0;  in icount_process_data()
142     cpu->icount_extra = 0;  in icount_process_data()
143     cpu->icount_budget = 0;  in icount_process_data()
152     int old_mask = cpu->interrupt_request;  in icount_handle_interrupt()
156         !cpu->neg.can_do_io  in icount_handle_interrupt()