xref: /openbmc/qemu/accel/hvf/hvf-all.c (revision 05caa062)
1 /*
2  * QEMU Hypervisor.framework support
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2.  See
5  * the COPYING file in the top-level directory.
6  *
7  * Contributions after 2012-01-13 are licensed under the terms of the
8  * GNU GPL, version 2 or (at your option) any later version.
9  */
10 
11 #include "qemu/osdep.h"
12 #include "qemu/error-report.h"
13 #include "sysemu/hvf.h"
14 #include "sysemu/hvf_int.h"
15 
16 const char *hvf_return_string(hv_return_t ret)
17 {
18     switch (ret) {
19     case HV_SUCCESS:      return "HV_SUCCESS";
20     case HV_ERROR:        return "HV_ERROR";
21     case HV_BUSY:         return "HV_BUSY";
22     case HV_BAD_ARGUMENT: return "HV_BAD_ARGUMENT";
23     case HV_NO_RESOURCES: return "HV_NO_RESOURCES";
24     case HV_NO_DEVICE:    return "HV_NO_DEVICE";
25     case HV_UNSUPPORTED:  return "HV_UNSUPPORTED";
26     case HV_DENIED:       return "HV_DENIED";
27     default:              return "[unknown hv_return value]";
28     }
29 }
30 
31 void assert_hvf_ok_impl(hv_return_t ret, const char *file, unsigned int line,
32                         const char *exp)
33 {
34     if (ret == HV_SUCCESS) {
35         return;
36     }
37 
38     error_report("Error: %s = %s (0x%x, at %s:%u)",
39         exp, hvf_return_string(ret), ret, file, line);
40 
41     abort();
42 }
43 
44 struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, vaddr pc)
45 {
46     struct hvf_sw_breakpoint *bp;
47 
48     QTAILQ_FOREACH(bp, &hvf_state->hvf_sw_breakpoints, entry) {
49         if (bp->pc == pc) {
50             return bp;
51         }
52     }
53     return NULL;
54 }
55 
56 int hvf_sw_breakpoints_active(CPUState *cpu)
57 {
58     return !QTAILQ_EMPTY(&hvf_state->hvf_sw_breakpoints);
59 }
60 
61 int hvf_update_guest_debug(CPUState *cpu)
62 {
63     hvf_arch_update_guest_debug(cpu);
64     return 0;
65 }
66