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