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 "qemu/osdep.h"
  14 #include <glib.h>
  15 #include "libqos/fw_cfg.h"
  16 #include "libqtest.h"
  17
  18 #include "hw/nvram/fw_cfg_keys.h"
  19
  20 typedef struct {
  21     const char *args;
  22     uint64_t expected_boot;
  23     uint64_t expected_reboot;
  24 } boot_order_test;
  25
  26 static void test_a_boot_order(const char *machine,
  27                               const char *test_args,
  28                               uint64_t (*read_boot_order)(void),
  29                               uint64_t expected_boot,
  30                               uint64_t expected_reboot)
  31 {
  32     char *args;
  33     uint64_t actual;
  34
  35     args = g_strdup_printf("-nodefaults%s%s %s",
  36                            machine ? " -M " : "",
  37                            machine ?: "",
  38                            test_args);
  39     qtest_start(args);
  40     actual = read_boot_order();
  41     g_assert_cmphex(actual, ==, expected_boot);
  42     qmp_discard_response("{ 'execute': 'system_reset' }");
  43     /*
  44      * system_reset only requests reset.  We get a RESET event after
  45      * the actual reset completes.  Need to wait for that.
  46      */
  47     qmp_discard_response("");   /* HACK: wait for event */
  48     actual = read_boot_order();
  49     g_assert_cmphex(actual, ==, expected_reboot);
  50     qtest_quit(global_qtest);
  51     g_free(args);
  52 }
  53
  54 static void test_boot_orders(const char *machine,
  55                              uint64_t (*read_boot_order)(void),
  56                              const boot_order_test *tests)
  57 {
  58     int i;
  59
  60     for (i = 0; tests[i].args; i++) {
  61         test_a_boot_order(machine, tests[i].args,
  62                           read_boot_order,
  63                           tests[i].expected_boot,
  64                           tests[i].expected_reboot);
  65     }
  66 }
  67
  68 static uint8_t read_mc146818(uint16_t port, uint8_t reg)
  69 {
  70     outb(port, reg);
  71     return inb(port + 1);
  72 }
  73
  74 static uint64_t read_boot_order_pc(void)
  75 {
  76     uint8_t b1 = read_mc146818(0x70, 0x38);
  77     uint8_t b2 = read_mc146818(0x70, 0x3d);
  78
  79     return b1 | (b2 << 8);
  80 }
  81
  82 static const boot_order_test test_cases_pc[] = {
  83     { "",
  84       0x1230, 0x1230 },
  85     { "-no-fd-bootchk",
  86       0x1231, 0x1231 },
  87     { "-boot c",
  88       0x0200, 0x0200 },
  89     { "-boot nda",
  90       0x3410, 0x3410 },
  91     { "-boot order=",
  92       0, 0 },
  93     { "-boot order= -boot order=c",
  94       0x0200, 0x0200 },
  95     { "-boot once=a",
  96       0x0100, 0x1230 },
  97     { "-boot once=a -no-fd-bootchk",
  98       0x0101, 0x1231 },
  99     { "-boot once=a,order=c",
 100       0x0100, 0x0200 },
 101     { "-boot once=d -boot order=nda",
 102       0x0300, 0x3410 },
 103     { "-boot once=a -boot once=b -boot once=c",
 104       0x0200, 0x1230 },
 105     {}
 106 };
 107
 108 static void test_pc_boot_order(void)
 109 {
 110     test_boot_orders(NULL, read_boot_order_pc, test_cases_pc);
 111 }
 112
 113 static uint8_t read_m48t59(uint64_t addr, uint16_t reg)
 114 {
 115     writeb(addr, reg & 0xff);
 116     writeb(addr + 1, reg >> 8);
 117     return readb(addr + 3);
 118 }
 119
 120 static uint64_t read_boot_order_prep(void)
 121 {
 122     return read_m48t59(0x80000000 + 0x74, 0x34);
 123 }
 124
 125 static const boot_order_test test_cases_prep[] = {
 126     { "", 'c', 'c' },
 127     { "-boot c", 'c', 'c' },
 128     { "-boot d", 'd', 'd' },
 129     {}
 130 };
 131
 132 static void test_prep_boot_order(void)
 133 {
 134     test_boot_orders("prep", read_boot_order_prep, test_cases_prep);
 135 }
 136
 137 static uint64_t read_boot_order_pmac(void)
 138 {
 139     QFWCFG *fw_cfg = mm_fw_cfg_init(0xf0000510);
 140
 141     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 142 }
 143
 144 static const boot_order_test test_cases_fw_cfg[] = {
 145     { "", 'c', 'c' },
 146     { "-boot c", 'c', 'c' },
 147     { "-boot d", 'd', 'd' },
 148     { "-boot once=d,order=c", 'd', 'c' },
 149     {}
 150 };
 151
 152 static void test_pmac_oldworld_boot_order(void)
 153 {
 154     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
 155 }
 156
 157 static void test_pmac_newworld_boot_order(void)
 158 {
 159     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
 160 }
 161
 162 static uint64_t read_boot_order_sun4m(void)
 163 {
 164     QFWCFG *fw_cfg = mm_fw_cfg_init(0xd00000510ULL);
 165
 166     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 167 }
 168
 169 static void test_sun4m_boot_order(void)
 170 {
 171     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
 172 }
 173
 174 static uint64_t read_boot_order_sun4u(void)
 175 {
 176     QFWCFG *fw_cfg = io_fw_cfg_init(0x510);
 177
 178     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 179 }
 180
 181 static void test_sun4u_boot_order(void)
 182 {
 183     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
 184 }
 185
 186 int main(int argc, char *argv[])
 187 {
 188     const char *arch = qtest_get_arch();
 189
 190     g_test_init(&argc, &argv, NULL);
 191
 192     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 193         qtest_add_func("boot-order/pc", test_pc_boot_order);
 194     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
 195         qtest_add_func("boot-order/prep", test_prep_boot_order);
 196         qtest_add_func("boot-order/pmac_oldworld",
 197                        test_pmac_oldworld_boot_order);
 198         qtest_add_func("boot-order/pmac_newworld",
 199                        test_pmac_newworld_boot_order);
 200     } else if (strcmp(arch, "sparc") == 0) {
 201         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
 202     } else if (strcmp(arch, "sparc64") == 0) {
 203         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
 204     }
 205
 206     return g_test_run();
 207 }