Archipelago » qemu

/*

 * Boot order test cases.

 *

 * Copyright (c) 2013 Red Hat Inc.

 *

 * Authors:

 *  Markus Armbruster <armbru@redhat.com>,

 *

 * This work is licensed under the terms of the GNU GPL, version 2 or later.

 * See the COPYING file in the top-level directory.

 */

#include <glib.h>

#include "libqtest.h"

static void test_pc_cmos_byte(int reg, int expected)

{

    int actual;

    outb(0x70, reg);

    actual = inb(0x71);

    g_assert_cmphex(actual, ==, expected);

}

static void test_pc_cmos(uint8_t boot1, uint8_t boot2)

{

    test_pc_cmos_byte(0x38, boot1);

    test_pc_cmos_byte(0x3d, boot2);

}

static void test_pc_with_args(const char *test_args,

                              uint8_t boot1, uint8_t boot2,

                              uint8_t reboot1, uint8_t reboot2)

{

    char *args = g_strdup_printf("-nodefaults -display none %s", test_args);

    qtest_start(args);

    test_pc_cmos(boot1, boot2);

    qmp("{ 'execute': 'system_reset' }");

    /*

     * system_reset only requests reset.  We get a RESET event after

     * the actual reset completes.  Need to wait for that.

     */

    qmp("");                    /* HACK: wait for event */

    test_pc_cmos(reboot1, reboot2);

    qtest_quit(global_qtest);

    g_free(args);

}

static void test_pc_boot_order(void)

{

    test_pc_with_args("", 0x30, 0x12, 0x30, 0x12);

    test_pc_with_args("-no-fd-bootchk", 0x31, 0x12, 0x31, 0x12);

    test_pc_with_args("-boot c", 0, 0x02, 0, 0x02);

    test_pc_with_args("-boot nda", 0x10, 0x34, 0x10, 0x34);

    test_pc_with_args("-boot order=", 0, 0, 0, 0);

    test_pc_with_args("-boot order= -boot order=c", 0, 0x02, 0, 0x02);

    test_pc_with_args("-boot once=a", 0, 0x01, 0x30, 0x12);

    test_pc_with_args("-boot once=a -no-fd-bootchk", 0x01, 0x01, 0x31, 0x12);

    test_pc_with_args("-boot once=a,order=c", 0, 0x01, 0, 0x02);

    test_pc_with_args("-boot once=d -boot order=nda", 0, 0x03, 0x10, 0x34);

    test_pc_with_args("-boot once=a -boot once=b -boot once=c",

                      0, 0x02, 0x30, 0x12);

}

int main(int argc, char *argv[])

{

    g_test_init(&argc, &argv, NULL);

    qtest_add_func("boot-order/pc", test_pc_boot_order);

    return g_test_run();

}