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vl.c: Output error on invalid machine type

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Output error message using qemu's error_report() function when user
provides the invalid machine type on the command line. This also saves
time to find what issue is when you downgrade from one version of qemu
to another that doesn't support required machine type yet (the version
user downgraded to have to have this patch applied too, of course).

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
[Replace printf with error_printf, suggested by Markus Armbruster. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Miroslav Rezanina 2014-03-14 13:06:54 +01:00 committed by Paolo Bonzini
parent 83d1c8ae88
commit 025172d56e
1 changed files with 13 additions and 8 deletions
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21
vl.c
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@ -2651,15 +2651,20 @@ static MachineClass *machine_parse(const char *name)
if (mc) {
return mc;
}
printf("Supported machines are:\n");
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
QEMUMachine *m = mc->qemu_machine;
if (m->alias) {
printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
if (name && !is_help_option(name)) {
error_report("Unsupported machine type");
error_printf("Use -machine help to list supported machines!\n");
} else {
printf("Supported machines are:\n");
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
QEMUMachine *m = mc->qemu_machine;
if (m->alias) {
printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
}
printf("%-20s %s%s\n", m->name, m->desc,
m->is_default ? " (default)" : "");
}
printf("%-20s %s%s\n", m->name, m->desc,
m->is_default ? " (default)" : "");
}
g_slist_free(machines);