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