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 if (machine && !qtest_has_machine(machine)) { 38 g_test_skip("Machine is not available"); 39 return; 40 } 41 42 qts = qtest_initf("-nodefaults%s%s %s", machine ? " -M " : "", 43 machine ?: "", test_args); 44 actual = read_boot_order(qts); 45 g_assert_cmphex(actual, ==, expected_boot); 46 qmp_discard_response(qts, "{ 'execute': 'system_reset' }"); 47 /* 48 * system_reset only requests reset. We get a RESET event after 49 * the actual reset completes. Need to wait for that. 50 */ 51 qtest_qmp_eventwait(qts, "RESET"); 52 actual = read_boot_order(qts); 53 g_assert_cmphex(actual, ==, expected_reboot); 54 qtest_quit(qts); 55 } 56 57 static void test_boot_orders(const char *machine, 58 uint64_t (*read_boot_order)(QTestState *), 59 const boot_order_test *tests) 60 { 61 int i; 62 63 for (i = 0; tests[i].args; i++) { 64 test_a_boot_order(machine, tests[i].args, 65 read_boot_order, 66 tests[i].expected_boot, 67 tests[i].expected_reboot); 68 } 69 } 70 71 static uint8_t read_mc146818(QTestState *qts, uint16_t port, uint8_t reg) 72 { 73 qtest_outb(qts, port, reg); 74 return qtest_inb(qts, port + 1); 75 } 76 77 static uint64_t read_boot_order_pc(QTestState *qts) 78 { 79 uint8_t b1 = read_mc146818(qts, 0x70, 0x38); 80 uint8_t b2 = read_mc146818(qts, 0x70, 0x3d); 81 82 return b1 | (b2 << 8); 83 } 84 85 static const boot_order_test test_cases_pc[] = { 86 { "", 87 0x1230, 0x1230 }, 88 { "-no-fd-bootchk", 89 0x1231, 0x1231 }, 90 { "-boot c", 91 0x0200, 0x0200 }, 92 { "-boot nda", 93 0x3410, 0x3410 }, 94 { "-boot order=", 95 0, 0 }, 96 { "-boot order= -boot order=c", 97 0x0200, 0x0200 }, 98 { "-boot once=a", 99 0x0100, 0x1230 }, 100 { "-boot once=a -no-fd-bootchk", 101 0x0101, 0x1231 }, 102 { "-boot once=a,order=c", 103 0x0100, 0x0200 }, 104 { "-boot once=d -boot order=nda", 105 0x0300, 0x3410 }, 106 { "-boot once=a -boot once=b -boot once=c", 107 0x0200, 0x1230 }, 108 {} 109 }; 110 111 static void test_pc_boot_order(void) 112 { 113 test_boot_orders(NULL, read_boot_order_pc, test_cases_pc); 114 } 115 116 static uint64_t read_boot_order_pmac(QTestState *qts) 117 { 118 g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510); 119 120 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 121 } 122 123 static const boot_order_test test_cases_fw_cfg[] = { 124 { "", 'c', 'c' }, 125 { "-boot c", 'c', 'c' }, 126 { "-boot d", 'd', 'd' }, 127 { "-boot once=d,order=c", 'd', 'c' }, 128 {} 129 }; 130 131 static void test_pmac_oldworld_boot_order(void) 132 { 133 test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg); 134 } 135 136 static void test_pmac_newworld_boot_order(void) 137 { 138 test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg); 139 } 140 141 static uint64_t read_boot_order_sun4m(QTestState *qts) 142 { 143 g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL); 144 145 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 146 } 147 148 static void test_sun4m_boot_order(void) 149 { 150 test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg); 151 } 152 153 static uint64_t read_boot_order_sun4u(QTestState *qts) 154 { 155 g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510); 156 157 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 158 } 159 160 static void test_sun4u_boot_order(void) 161 { 162 test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg); 163 } 164 165 int main(int argc, char *argv[]) 166 { 167 const char *arch = qtest_get_arch(); 168 169 g_test_init(&argc, &argv, NULL); 170 171 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { 172 qtest_add_func("boot-order/pc", test_pc_boot_order); 173 } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) { 174 qtest_add_func("boot-order/pmac_oldworld", 175 test_pmac_oldworld_boot_order); 176 qtest_add_func("boot-order/pmac_newworld", 177 test_pmac_newworld_boot_order); 178 } else if (strcmp(arch, "sparc") == 0) { 179 qtest_add_func("boot-order/sun4m", test_sun4m_boot_order); 180 } else if (strcmp(arch, "sparc64") == 0) { 181 qtest_add_func("boot-order/sun4u", test_sun4u_boot_order); 182 } 183 184 return g_test_run(); 185 } 186