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 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)(QTestState *), 28 uint64_t expected_boot, 29 uint64_t expected_reboot) 30 { 31 uint64_t actual; 32 QTestState *qts; 33 34 if (machine && !qtest_has_machine(machine)) { 35 g_test_skip("Machine is not available"); 36 return; 37 } 38 39 qts = qtest_initf("-nodefaults%s%s %s", machine ? " -M " : "", 40 machine ?: "", test_args); 41 actual = read_boot_order(qts); 42 g_assert_cmphex(actual, ==, expected_boot); 43 qtest_qmp_assert_success(qts, "{ 'execute': 'system_reset' }"); 44 /* 45 * system_reset only requests reset. We get a RESET event after 46 * the actual reset completes. Need to wait for that. 47 */ 48 qtest_qmp_eventwait(qts, "RESET"); 49 actual = read_boot_order(qts); 50 g_assert_cmphex(actual, ==, expected_reboot); 51 qtest_quit(qts); 52 } 53 54 static void test_boot_orders(const char *machine, 55 uint64_t (*read_boot_order)(QTestState *), 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(QTestState *qts, uint16_t port, uint8_t reg) 69 { 70 qtest_outb(qts, port, reg); 71 return qtest_inb(qts, port + 1); 72 } 73 74 static uint64_t read_boot_order_pc(QTestState *qts) 75 { 76 uint8_t b1 = read_mc146818(qts, 0x70, 0x38); 77 uint8_t b2 = read_mc146818(qts, 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 uint64_t read_boot_order_pmac(QTestState *qts) 114 { 115 g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510); 116 117 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 118 } 119 120 static const boot_order_test test_cases_fw_cfg[] = { 121 { "", 'c', 'c' }, 122 { "-boot c", 'c', 'c' }, 123 { "-boot d", 'd', 'd' }, 124 { "-boot once=d,order=c", 'd', 'c' }, 125 {} 126 }; 127 128 static void test_pmac_oldworld_boot_order(void) 129 { 130 test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg); 131 } 132 133 static void test_pmac_newworld_boot_order(void) 134 { 135 test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg); 136 } 137 138 static uint64_t read_boot_order_sun4m(QTestState *qts) 139 { 140 g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL); 141 142 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 143 } 144 145 static void test_sun4m_boot_order(void) 146 { 147 test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg); 148 } 149 150 static uint64_t read_boot_order_sun4u(QTestState *qts) 151 { 152 g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510); 153 154 return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE); 155 } 156 157 static void test_sun4u_boot_order(void) 158 { 159 test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg); 160 } 161 162 int main(int argc, char *argv[]) 163 { 164 const char *arch = qtest_get_arch(); 165 166 g_test_init(&argc, &argv, NULL); 167 168 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { 169 qtest_add_func("boot-order/pc", test_pc_boot_order); 170 } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) { 171 qtest_add_func("boot-order/pmac_oldworld", 172 test_pmac_oldworld_boot_order); 173 qtest_add_func("boot-order/pmac_newworld", 174 test_pmac_newworld_boot_order); 175 } else if (strcmp(arch, "sparc") == 0) { 176 qtest_add_func("boot-order/sun4m", test_sun4m_boot_order); 177 } else if (strcmp(arch, "sparc64") == 0) { 178 qtest_add_func("boot-order/sun4u", test_sun4u_boot_order); 179 } 180 181 return g_test_run(); 182 } 183