tests/boot-order-test.c

   1 /*
   2  * Boot order test cases.
   3  *
   4  * Copyright (c) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Markus Armbruster <armbru@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include <glib.h>
  14 #include "libqtest.h"
  15
  16 static void test_pc_cmos_byte(int reg, int expected)
  17 {
  18     int actual;
  19
  20     outb(0x70, reg);
  21     actual = inb(0x71);
  22     g_assert_cmphex(actual, ==, expected);
  23 }
  24
  25 static void test_pc_cmos(uint8_t boot1, uint8_t boot2)
  26 {
  27     test_pc_cmos_byte(0x38, boot1);
  28     test_pc_cmos_byte(0x3d, boot2);
  29 }
  30
  31 static void test_pc_with_args(const char *test_args,
  32                               uint8_t boot1, uint8_t boot2,
  33                               uint8_t reboot1, uint8_t reboot2)
  34 {
  35     char *args = g_strdup_printf("-nodefaults -display none %s", test_args);
  36
  37     qtest_start(args);
  38     test_pc_cmos(boot1, boot2);
  39     qmp("{ 'execute': 'system_reset' }");
  40     /*
  41      * system_reset only requests reset.  We get a RESET event after
  42      * the actual reset completes.  Need to wait for that.
  43      */
  44     qmp("");                    /* HACK: wait for event */
  45     test_pc_cmos(reboot1, reboot2);
  46     qtest_quit(global_qtest);
  47     g_free(args);
  48 }
  49
  50 static void test_pc_boot_order(void)
  51 {
  52     test_pc_with_args("", 0x30, 0x12, 0x30, 0x12);
  53     test_pc_with_args("-no-fd-bootchk", 0x31, 0x12, 0x31, 0x12);
  54     test_pc_with_args("-boot c", 0, 0x02, 0, 0x02);
  55     test_pc_with_args("-boot nda", 0x10, 0x34, 0x10, 0x34);
  56     test_pc_with_args("-boot order=", 0, 0, 0, 0);
  57     test_pc_with_args("-boot order= -boot order=c", 0, 0x02, 0, 0x02);
  58     test_pc_with_args("-boot once=a", 0, 0x01, 0x30, 0x12);
  59     test_pc_with_args("-boot once=a -no-fd-bootchk", 0x01, 0x01, 0x31, 0x12);
  60     test_pc_with_args("-boot once=a,order=c", 0, 0x01, 0, 0x02);
  61     test_pc_with_args("-boot once=d -boot order=nda", 0, 0x03, 0x10, 0x34);
  62     test_pc_with_args("-boot once=a -boot once=b -boot once=c",
  63                       0, 0x02, 0x30, 0x12);
  64 }
  65
  66 int main(int argc, char *argv[])
  67 {
  68     g_test_init(&argc, &argv, NULL);
  69
  70     qtest_add_func("boot-order/pc", test_pc_boot_order);
  71
  72     return g_test_run();
  73 }