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