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/*
* Test serial output of some machines.
*
* Copyright 2016 Thomas Huth, Red Hat Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2
* or later. See the COPYING file in the top-level directory.
*
* This test is used to check that the serial output of the firmware
* (that we provide for some machines) contains an expected string.
* Thus we check that the firmware still boots at least to a certain
* point and so we know that the machine is not completely broken.
*/
#include "qemu/osdep.h"
#include "libqtest.h"
typedef struct testdef {
const char *arch; /* Target architecture */
const char *machine; /* Name of the machine */
const char *extra; /* Additional parameters */
const char *expect; /* Expected string in the serial output */
} testdef_t;
static testdef_t tests[] = {
{ "alpha", "clipper", "", "PCI:" },
{ "ppc", "ppce500", "", "U-Boot" },
{ "ppc", "prep", "", "Open Hack'Ware BIOS" },
{ "ppc64", "ppce500", "", "U-Boot" },
{ "ppc64", "prep", "", "Open Hack'Ware BIOS" },
{ "ppc64", "pseries", "", "Open Firmware" },
{ "ppc64", "powernv", "-cpu POWER8", "SkiBoot" },
{ "i386", "isapc", "-cpu qemu32 -device sga", "SGABIOS" },
{ "i386", "pc", "-device sga", "SGABIOS" },
{ "i386", "q35", "-device sga", "SGABIOS" },
{ "x86_64", "isapc", "-cpu qemu32 -device sga", "SGABIOS" },
{ "x86_64", "q35", "-device sga", "SGABIOS" },
{ "s390x", "s390-ccw-virtio",
"-nodefaults -device sclpconsole,chardev=serial0", "virtio device" },
{ NULL }
};
static void check_guest_output(const testdef_t *test, int fd)
{
bool output_ok = false;
int i, nbr, pos = 0;
char ch;
/* Poll serial output... Wait at most 60 seconds */
for (i = 0; i < 6000; ++i) {
while ((nbr = read(fd, &ch, 1)) == 1) {
if (ch == test->expect[pos]) {
pos += 1;
if (test->expect[pos] == '\0') {
/* We've reached the end of the expected string! */
output_ok = true;
goto done;
}
} else {
pos = 0;
}
}
g_assert(nbr >= 0);
g_usleep(10000);
}
done:
g_assert(output_ok);
}
static void test_machine(const void *data)
{
const testdef_t *test = data;
char tmpname[] = "/tmp/qtest-boot-serial-XXXXXX";
int fd;
fd = mkstemp(tmpname);
g_assert(fd != -1);
/*
* Make sure that this test uses tcg if available: It is used as a
* fast-enough smoketest for that.
*/
global_qtest = qtest_startf("-M %s,accel=tcg:kvm "
"-chardev file,id=serial0,path=%s "
"-no-shutdown -serial chardev:serial0 %s",
test->machine, tmpname, test->extra);
unlink(tmpname);
check_guest_output(test, fd);
qtest_quit(global_qtest);
close(fd);
}
int main(int argc, char *argv[])
{
const char *arch = qtest_get_arch();
int i;
g_test_init(&argc, &argv, NULL);
for (i = 0; tests[i].arch != NULL; i++) {
if (strcmp(arch, tests[i].arch) == 0) {
char *name = g_strdup_printf("boot-serial/%s", tests[i].machine);
qtest_add_data_func(name, &tests[i], test_machine);
g_free(name);
}
}
return g_test_run();
}
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