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monitor: Add -a (all) option to info registers

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The info registers command in the qemu monitor is used to dump register
values.

Currently this command uses the monitor cpu (which can be set by the
user) as the cpu for whose registers will be dumped. Sometimes it is
useful to see the registers for all cpus and currently this requires
setting the monitor cpu and the re-running the command for each cpu
in the system. I would be nice if there was an easier way to do this.

Add the "-a" option to the info registers command to dump the register
values for all cpus.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>

Message-Id: <20170608054116.17203-1-sjitindarsingh@gmail.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Suraj Jitindar Singh 2017-06-08 15:41:16 +10:00 committed by Dr. David Alan Gilbert
parent 454d7dc9bc
commit 18f0828278
2 changed files with 19 additions and 8 deletions
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6
hmp-commands-info.hx
View File

@ -100,9 +100,9 @@ ETEXI
{
.name = "registers",
.args_type = "",
.params = "",
.help = "show the cpu registers",
.args_type = "cpustate_all:-a",
.params = "[-a]",
.help = "show the cpu registers (-a: all - show register info for all cpus)",
.cmd = hmp_info_registers,
},

13
monitor.c
View File

@ -1078,14 +1078,25 @@ int monitor_get_cpu_index(void)
static void hmp_info_registers(Monitor *mon, const QDict *qdict)
{
CPUState *cs = mon_get_cpu();
bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
CPUState *cs;
if (all_cpus) {
CPU_FOREACH(cs) {
monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
}
} else {
cs = mon_get_cpu();
if (!cs) {
monitor_printf(mon, "No CPU available\n");
return;
}
cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
}
}
static void hmp_info_jit(Monitor *mon, const QDict *qdict)
{