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 } 206