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tests/boot-serial-test: Add code to allow to specify our own kernel or bios

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QEMU only ships with some few firmware images, i.e. we can currently run
the boot-serial test only on a very limited set of machines. But writing
some characters to the default UART of a machine can often be done with
some few lines of assembly, so we add the possibility to the boot-serial
tester to use its own mini-kernels or mini-firmwares. We write such images
then into a file that we can load with the "-kernel" or "-bios" parameter
when we launch QEMU.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1512031988-32490-3-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2017-11-30 09:53:03 +01:00 committed by Paolo Bonzini
parent 92b540dac9
commit e12c08d3b6
1 changed files with 42 additions and 12 deletions
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54
tests/boot-serial-test.c
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@ -7,9 +7,10 @@
* 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.
* (that we provide for some machines) or some small mini-kernels that
* we provide here contains an expected string. Thus we check that the
* firmware/kernel still boots at least to a certain point and so we
* know that the machine is not completely broken.
*/
#include "qemu/osdep.h"
@ -20,6 +21,9 @@ typedef struct testdef {
const char *machine; /* Name of the machine */
const char *extra; /* Additional parameters */
const char *expect; /* Expected string in the serial output */
size_t codesize; /* Size of the kernel or bios data */
const uint8_t *kernel; /* Set in case we use our own mini kernel */
const uint8_t *bios; /* Set in case we use our own mini bios */
} testdef_t;
static testdef_t tests[] = {
@ -72,26 +76,52 @@ done:
static void test_machine(const void *data)
{
const testdef_t *test = data;
char tmpname[] = "/tmp/qtest-boot-serial-XXXXXX";
int fd;
char serialtmp[] = "/tmp/qtest-boot-serial-sXXXXXX";
char codetmp[] = "/tmp/qtest-boot-serial-cXXXXXX";
const char *codeparam = "";
const uint8_t *code = NULL;
int ser_fd;
fd = mkstemp(tmpname);
g_assert(fd != -1);
ser_fd = mkstemp(serialtmp);
g_assert(ser_fd != -1);
if (test->kernel) {
code = test->kernel;
codeparam = "-kernel";
} else if (test->bios) {
code = test->bios;
codeparam = "-bios";
}
if (code) {
ssize_t wlen;
int code_fd;
code_fd = mkstemp(codetmp);
g_assert(code_fd != -1);
wlen = write(code_fd, code, test->codesize);
g_assert(wlen == test->codesize);
close(code_fd);
}
/*
* 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 "
global_qtest = qtest_startf("%s %s -M %s,accel=tcg:kvm "
"-chardev file,id=serial0,path=%s "
"-no-shutdown -serial chardev:serial0 %s",
test->machine, tmpname, test->extra);
unlink(tmpname);
codeparam, code ? codetmp : "",
test->machine, serialtmp, test->extra);
unlink(serialtmp);
if (code) {
unlink(codetmp);
}
check_guest_output(test, fd);
check_guest_output(test, ser_fd);
qtest_quit(global_qtest);
close(fd);
close(ser_fd);
}
int main(int argc, char *argv[])