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 <string.h>
  14 #include <glib.h>
  15 #include "libqos/fw_cfg.h"
  16 #include "libqtest.h"
  17
  18 static void test_pc_cmos_byte(int reg, int expected)
  19 {
  20     int actual;
  21
  22     outb(0x70, reg);
  23     actual = inb(0x71);
  24     g_assert_cmphex(actual, ==, expected);
  25 }
  26
  27 static void test_pc_cmos(uint8_t boot1, uint8_t boot2)
  28 {
  29     test_pc_cmos_byte(0x38, boot1);
  30     test_pc_cmos_byte(0x3d, boot2);
  31 }
  32
  33 static void test_pc_with_args(const char *test_args,
  34                               uint8_t boot1, uint8_t boot2,
  35                               uint8_t reboot1, uint8_t reboot2)
  36 {
  37     char *args = g_strdup_printf("-nodefaults -display none %s", test_args);
  38
  39     qtest_start(args);
  40     test_pc_cmos(boot1, boot2);
  41     qmp("{ 'execute': 'system_reset' }");
  42     /*
  43      * system_reset only requests reset.  We get a RESET event after
  44      * the actual reset completes.  Need to wait for that.
  45      */
  46     qmp("");                    /* HACK: wait for event */
  47     test_pc_cmos(reboot1, reboot2);
  48     qtest_quit(global_qtest);
  49     g_free(args);
  50 }
  51
  52 static void test_pc_boot_order(void)
  53 {
  54     test_pc_with_args("", 0x30, 0x12, 0x30, 0x12);
  55     test_pc_with_args("-no-fd-bootchk", 0x31, 0x12, 0x31, 0x12);
  56     test_pc_with_args("-boot c", 0, 0x02, 0, 0x02);
  57     test_pc_with_args("-boot nda", 0x10, 0x34, 0x10, 0x34);
  58     test_pc_with_args("-boot order=", 0, 0, 0, 0);
  59     test_pc_with_args("-boot order= -boot order=c", 0, 0x02, 0, 0x02);
  60     test_pc_with_args("-boot once=a", 0, 0x01, 0x30, 0x12);
  61     test_pc_with_args("-boot once=a -no-fd-bootchk", 0x01, 0x01, 0x31, 0x12);
  62     test_pc_with_args("-boot once=a,order=c", 0, 0x01, 0, 0x02);
  63     test_pc_with_args("-boot once=d -boot order=nda", 0, 0x03, 0x10, 0x34);
  64     test_pc_with_args("-boot once=a -boot once=b -boot once=c",
  65                       0, 0x02, 0x30, 0x12);
  66 }
  67
  68 #define G3BEIGE_CFG_ADDR 0xf0000510
  69 #define MAC99_CFG_ADDR   0xf0000510
  70
  71 #define NO_QEMU_PROTOS
  72 #include "hw/nvram/fw_cfg.h"
  73 #undef NO_QEMU_PROTOS
  74
  75 static void test_powermac_with_args(bool newworld, const char *extra_args,
  76                                     uint16_t expected_boot,
  77                                     uint16_t expected_reboot)
  78 {
  79     char *args = g_strdup_printf("-nodefaults -display none -machine %s %s",
  80                                  newworld ? "mac99" : "g3beige", extra_args);
  81     QFWCFG *fw_cfg = mm_fw_cfg_init(newworld ? MAC99_CFG_ADDR
  82                                     : G3BEIGE_CFG_ADDR);
  83     uint16_t actual;
  84
  85     qtest_start(args);
  86     actual = qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
  87     g_assert_cmphex(actual, ==, expected_boot);
  88     qmp("{ 'execute': 'system_reset' }");
  89     actual = qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
  90     g_assert_cmphex(actual, ==, expected_reboot);
  91     qtest_quit(global_qtest);
  92     g_free(args);
  93 }
  94
  95 static void test_powermac_boot_order(void)
  96 {
  97     int i;
  98
  99     for (i = 0; i < 2; i++) {
 100         bool newworld = (i == 1);
 101
 102         test_powermac_with_args(newworld, "", 'c', 'c');
 103         test_powermac_with_args(newworld, "-boot c", 'c', 'c');
 104         test_powermac_with_args(newworld, "-boot d", 'd', 'd');
 105     }
 106 }
 107
 108 int main(int argc, char *argv[])
 109 {
 110     const char *arch = qtest_get_arch();
 111
 112     g_test_init(&argc, &argv, NULL);
 113
 114     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 115         qtest_add_func("boot-order/pc", test_pc_boot_order);
 116     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
 117         qtest_add_func("boot-order/powermac", test_powermac_boot_order);
 118     }
 119
 120     return g_test_run();
 121 }