1 /* 2 * Test serial output of some machines. 3 * 4 * Copyright 2016 Thomas Huth, Red Hat Inc. 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 7 * or later. See the COPYING file in the top-level directory. 8 * 9 * This test is used to check that the serial output of the firmware 10 * (that we provide for some machines) or some small mini-kernels that 11 * we provide here contains an expected string. Thus we check that the 12 * firmware/kernel still boots at least to a certain point and so we 13 * know that the machine is not completely broken. 14 */ 15 16 #include "qemu/osdep.h" 17 #include "libqtest.h" 18 #include "ppc-util.h" 19 20 static const uint8_t bios_avr[] = { 21 0x88, 0xe0, /* ldi r24, 0x08 */ 22 0x80, 0x93, 0xc1, 0x00, /* sts 0x00C1, r24 ; Enable tx */ 23 0x86, 0xe0, /* ldi r24, 0x06 */ 24 0x80, 0x93, 0xc2, 0x00, /* sts 0x00C2, r24 ; Set the data bits to 8 */ 25 0x84, 0xe5, /* ldi r24, 0x54 */ 26 0x80, 0x93, 0xc6, 0x00, /* sts 0x00C6, r24 ; Output 'T' */ 27 }; 28 29 static const uint8_t bios_loongarch64[] = { 30 0x0c, 0xc0, 0x3f, 0x14, /* lu12i.w $t0, 0x1fe00 */ 31 0x8c, 0x81, 0x87, 0x03, /* ori $t0, $t0, 0x1e0 */ 32 0x0d, 0x50, 0x81, 0x03, /* li.w $t1, 'T' */ 33 0x8d, 0x01, 0x00, 0x29, /* st.b $t1, $t0, 0 */ 34 0xff, 0xf3, 0xff, 0x53, /* b -16 # loop */ 35 }; 36 37 static const uint8_t kernel_mcf5208[] = { 38 0x41, 0xf9, 0xfc, 0x06, 0x00, 0x00, /* lea 0xfc060000,%a0 */ 39 0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */ 40 0x11, 0x7c, 0x00, 0x04, 0x00, 0x08, /* move.b #4,8(%a0) Enable TX */ 41 0x11, 0x40, 0x00, 0x0c, /* move.b %d0,12(%a0) Print 'T' */ 42 0x60, 0xfa /* bra.s loop */ 43 }; 44 45 static const uint8_t bios_nextcube[] = { 46 0x06, 0x00, 0x00, 0x00, /* Initial SP */ 47 0x01, 0x00, 0x00, 0x08, /* Initial PC */ 48 0x41, 0xf9, 0x02, 0x11, 0x80, 0x00, /* lea 0x02118000,%a0 */ 49 0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */ 50 0x11, 0x7c, 0x00, 0x05, 0x00, 0x01, /* move.b #5,1(%a0) Sel TXCTRL */ 51 0x11, 0x7c, 0x00, 0x68, 0x00, 0x01, /* move.b #0x68,1(%a0) Enable TX */ 52 0x11, 0x40, 0x00, 0x03, /* move.b %d0,3(%a0) Print 'T' */ 53 0x60, 0xfa /* bra.s loop */ 54 }; 55 56 static const uint8_t kernel_pls3adsp1800[] = { 57 0xb0, 0x00, 0x84, 0x00, /* imm 0x8400 */ 58 0x30, 0x60, 0x00, 0x04, /* addik r3,r0,4 */ 59 0x30, 0x80, 0x00, 0x54, /* addik r4,r0,'T' */ 60 0xf0, 0x83, 0x00, 0x00, /* sbi r4,r3,0 */ 61 0xb8, 0x00, 0xff, 0xfc /* bri -4 loop */ 62 }; 63 64 static const uint8_t kernel_plml605[] = { 65 0xe0, 0x83, 0x00, 0xb0, /* imm 0x83e0 */ 66 0x00, 0x10, 0x60, 0x30, /* addik r3,r0,0x1000 */ 67 0x54, 0x00, 0x80, 0x30, /* addik r4,r0,'T' */ 68 0x00, 0x00, 0x83, 0xf0, /* sbi r4,r3,0 */ 69 0xfc, 0xff, 0x00, 0xb8 /* bri -4 loop */ 70 }; 71 72 static const uint8_t bios_raspi2[] = { 73 0x08, 0x30, 0x9f, 0xe5, /* ldr r3,[pc,#8] Get base */ 74 0x54, 0x20, 0xa0, 0xe3, /* mov r2,#'T' */ 75 0x00, 0x20, 0xc3, 0xe5, /* strb r2,[r3] */ 76 0xfb, 0xff, 0xff, 0xea, /* b loop */ 77 0x00, 0x10, 0x20, 0x3f, /* 0x3f201000 = UART0 base addr */ 78 }; 79 80 static const uint8_t kernel_aarch64[] = { 81 0x81, 0x0a, 0x80, 0x52, /* mov w1, #0x54 */ 82 0x02, 0x20, 0xa1, 0xd2, /* mov x2, #0x9000000 */ 83 0x41, 0x00, 0x00, 0x39, /* strb w1, [x2] */ 84 0xfd, 0xff, 0xff, 0x17, /* b -12 (loop) */ 85 }; 86 87 static const uint8_t kernel_nrf51[] = { 88 0x00, 0x00, 0x00, 0x00, /* Stack top address */ 89 0x09, 0x00, 0x00, 0x00, /* Reset handler address */ 90 0x04, 0x4a, /* ldr r2, [pc, #16] Get ENABLE */ 91 0x04, 0x21, /* movs r1, #4 */ 92 0x11, 0x60, /* str r1, [r2] */ 93 0x04, 0x4a, /* ldr r2, [pc, #16] Get STARTTX */ 94 0x01, 0x21, /* movs r1, #1 */ 95 0x11, 0x60, /* str r1, [r2] */ 96 0x03, 0x4a, /* ldr r2, [pc, #12] Get TXD */ 97 0x54, 0x21, /* movs r1, 'T' */ 98 0x11, 0x60, /* str r1, [r2] */ 99 0xfe, 0xe7, /* b . */ 100 0x00, 0x25, 0x00, 0x40, /* 0x40002500 = UART ENABLE */ 101 0x08, 0x20, 0x00, 0x40, /* 0x40002008 = UART STARTTX */ 102 0x1c, 0x25, 0x00, 0x40 /* 0x4000251c = UART TXD */ 103 }; 104 105 static const uint8_t kernel_stm32vldiscovery[] = { 106 0x00, 0x00, 0x00, 0x00, /* Stack top address */ 107 0x1d, 0x00, 0x00, 0x00, /* Reset handler address */ 108 0x00, 0x00, 0x00, 0x00, /* NMI */ 109 0x00, 0x00, 0x00, 0x00, /* Hard fault */ 110 0x00, 0x00, 0x00, 0x00, /* Memory management fault */ 111 0x00, 0x00, 0x00, 0x00, /* Bus fault */ 112 0x00, 0x00, 0x00, 0x00, /* Usage fault */ 113 0x0b, 0x4b, /* ldr r3, [pc, #44] Get RCC */ 114 0x44, 0xf2, 0x04, 0x02, /* movw r2, #16388 */ 115 0x1a, 0x60, /* str r2, [r3] */ 116 0x0a, 0x4b, /* ldr r3, [pc, #40] Get GPIOA */ 117 0x1a, 0x68, /* ldr r2, [r3] */ 118 0x22, 0xf0, 0xf0, 0x02, /* bic r2, r2, #240 */ 119 0x1a, 0x60, /* str r2, [r3] */ 120 0x1a, 0x68, /* ldr r2, [r3] */ 121 0x42, 0xf0, 0xb0, 0x02, /* orr r2, r2, #176 */ 122 0x1a, 0x60, /* str r2, [r3] */ 123 0x07, 0x4b, /* ldr r3, [pc, #26] Get BAUD */ 124 0x45, 0x22, /* movs r2, #69 */ 125 0x1a, 0x60, /* str r2, [r3] */ 126 0x06, 0x4b, /* ldr r3, [pc, #24] Get ENABLE */ 127 0x42, 0xf2, 0x08, 0x02, /* movw r2, #8200 */ 128 0x1a, 0x60, /* str r2, [r3] */ 129 0x05, 0x4b, /* ldr r3, [pc, #20] Get TXD */ 130 0x54, 0x22, /* movs r2, 'T' */ 131 0x1a, 0x60, /* str r2, [r3] */ 132 0xfe, 0xe7, /* b . */ 133 0x18, 0x10, 0x02, 0x40, /* 0x40021018 = RCC */ 134 0x04, 0x08, 0x01, 0x40, /* 0x40010804 = GPIOA */ 135 0x08, 0x38, 0x01, 0x40, /* 0x40013808 = USART1 BAUD */ 136 0x0c, 0x38, 0x01, 0x40, /* 0x4001380c = USART1 ENABLE */ 137 0x04, 0x38, 0x01, 0x40 /* 0x40013804 = USART1 TXD */ 138 }; 139 140 typedef struct testdef { 141 const char *arch; /* Target architecture */ 142 const char *machine; /* Name of the machine */ 143 const char *extra; /* Additional parameters */ 144 const char *expect; /* Expected string in the serial output */ 145 size_t codesize; /* Size of the kernel or bios data */ 146 const uint8_t *kernel; /* Set in case we use our own mini kernel */ 147 const uint8_t *bios; /* Set in case we use our own mini bios */ 148 } testdef_t; 149 150 static const testdef_t tests[] = { 151 { "alpha", "clipper", "", "PCI:" }, 152 { "avr", "arduino-duemilanove", "", "T", sizeof(bios_avr), NULL, bios_avr }, 153 { "avr", "arduino-mega-2560-v3", "", "T", sizeof(bios_avr), NULL, bios_avr}, 154 { "ppc", "ppce500", "", "U-Boot" }, 155 { "ppc", "40p", "-vga none -boot d", "Trying cd:," }, 156 { "ppc", "g3beige", "", "PowerPC,750" }, 157 { "ppc", "mac99", "", "PowerPC,G4" }, 158 { "ppc", "sam460ex", "-m 256", "DRAM: 256 MiB" }, 159 { "ppc64", "ppce500", "", "U-Boot" }, 160 { "ppc64", "40p", "-m 192", "Memory: 192M" }, 161 { "ppc64", "mac99", "", "PowerPC,970FX" }, 162 { "ppc64", "pseries", 163 "-machine " PSERIES_DEFAULT_CAPABILITIES, 164 "Open Firmware" }, 165 { "ppc64", "powernv8", "", "OPAL" }, 166 { "ppc64", "powernv9", "", "OPAL" }, 167 { "ppc64", "sam460ex", "-device pci-bridge,chassis_nr=2", "1b36 0001" }, 168 { "i386", "isapc", "-cpu qemu32 -M graphics=off", "SeaBIOS" }, 169 { "i386", "pc", "-M graphics=off", "SeaBIOS" }, 170 { "i386", "q35", "-M graphics=off", "SeaBIOS" }, 171 { "x86_64", "isapc", "-cpu qemu32 -M graphics=off", "SeaBIOS" }, 172 { "x86_64", "q35", "-M graphics=off", "SeaBIOS" }, 173 { "sparc", "LX", "", "TMS390S10" }, 174 { "sparc", "SS-4", "", "MB86904" }, 175 { "sparc", "SS-600MP", "", "TMS390Z55" }, 176 { "sparc64", "sun4u", "", "UltraSPARC" }, 177 { "s390x", "s390-ccw-virtio", "", "device" }, 178 { "loongarch64", "virt", "-cpu max", "TT", sizeof(bios_loongarch64), 179 NULL, bios_loongarch64 }, 180 { "m68k", "mcf5208evb", "", "TT", sizeof(kernel_mcf5208), kernel_mcf5208 }, 181 { "m68k", "next-cube", "", "TT", sizeof(bios_nextcube), 0, bios_nextcube }, 182 { "microblaze", "petalogix-s3adsp1800", "", "TT", 183 sizeof(kernel_pls3adsp1800), kernel_pls3adsp1800 }, 184 { "microblazeel", "petalogix-ml605", "", "TT", 185 sizeof(kernel_plml605), kernel_plml605 }, 186 { "arm", "raspi2b", "", "TT", sizeof(bios_raspi2), 0, bios_raspi2 }, 187 /* For hppa, force bios to output to serial by disabling graphics. */ 188 { "hppa", "hppa", "-vga none", "SeaBIOS wants SYSTEM HALT" }, 189 { "aarch64", "virt", "-cpu max", "TT", sizeof(kernel_aarch64), 190 kernel_aarch64 }, 191 { "arm", "microbit", "", "T", sizeof(kernel_nrf51), kernel_nrf51 }, 192 { "arm", "stm32vldiscovery", "", "T", 193 sizeof(kernel_stm32vldiscovery), kernel_stm32vldiscovery }, 194 195 { NULL } 196 }; 197 198 static bool check_guest_output(QTestState *qts, const testdef_t *test, int fd) 199 { 200 int nbr = 0, pos = 0, ccnt; 201 time_t now, start = time(NULL); 202 char ch; 203 204 /* Poll serial output... */ 205 while (1) { 206 ccnt = 0; 207 while (ccnt++ < 512 && (nbr = read(fd, &ch, 1)) == 1) { 208 if (ch == test->expect[pos]) { 209 pos += 1; 210 if (test->expect[pos] == '\0') { 211 /* We've reached the end of the expected string! */ 212 return true; 213 } 214 } else { 215 pos = 0; 216 } 217 } 218 g_assert(nbr >= 0); 219 /* Wait only if the child is still alive. */ 220 if (!qtest_probe_child(qts)) { 221 break; 222 } 223 /* Wait at most 360 seconds. */ 224 now = time(NULL); 225 if (now - start >= 360) { 226 break; 227 } 228 g_usleep(10000); 229 } 230 231 return false; 232 } 233 234 static void test_machine(const void *data) 235 { 236 const testdef_t *test = data; 237 g_autofree char *serialtmp = NULL; 238 g_autofree char *codetmp = NULL; 239 const char *codeparam = ""; 240 const uint8_t *code = NULL; 241 QTestState *qts; 242 int ser_fd; 243 244 ser_fd = g_file_open_tmp("qtest-boot-serial-sXXXXXX", &serialtmp, NULL); 245 g_assert(ser_fd != -1); 246 close(ser_fd); 247 248 if (test->kernel) { 249 code = test->kernel; 250 codeparam = "-kernel"; 251 } else if (test->bios) { 252 code = test->bios; 253 codeparam = "-bios"; 254 } 255 256 if (code) { 257 ssize_t wlen; 258 int code_fd; 259 260 code_fd = g_file_open_tmp("qtest-boot-serial-cXXXXXX", &codetmp, NULL); 261 g_assert(code_fd != -1); 262 wlen = write(code_fd, code, test->codesize); 263 g_assert(wlen == test->codesize); 264 close(code_fd); 265 } 266 267 /* 268 * Make sure that this test uses tcg if available: It is used as a 269 * fast-enough smoketest for that. 270 */ 271 qts = qtest_initf("%s %s -M %s -no-shutdown " 272 "-chardev file,id=serial0,path=%s " 273 "-serial chardev:serial0 -accel tcg -accel kvm %s", 274 codeparam, code ? codetmp : "", test->machine, 275 serialtmp, test->extra); 276 if (code) { 277 unlink(codetmp); 278 } 279 280 ser_fd = open(serialtmp, O_RDONLY); 281 g_assert(ser_fd != -1); 282 if (!check_guest_output(qts, test, ser_fd)) { 283 g_error("Failed to find expected string. Please check '%s'", 284 serialtmp); 285 } 286 unlink(serialtmp); 287 288 qtest_quit(qts); 289 290 close(ser_fd); 291 } 292 293 int main(int argc, char *argv[]) 294 { 295 const char *arch = qtest_get_arch(); 296 int i; 297 298 g_test_init(&argc, &argv, NULL); 299 300 if (!qtest_has_accel("tcg") && !qtest_has_accel("kvm")) { 301 g_test_skip("No KVM or TCG accelerator available"); 302 return 0; 303 } 304 305 for (i = 0; tests[i].arch != NULL; i++) { 306 if (g_str_equal(arch, tests[i].arch) && 307 qtest_has_machine(tests[i].machine)) { 308 char *name = g_strdup_printf("boot-serial/%s", tests[i].machine); 309 qtest_add_data_func(name, &tests[i], test_machine); 310 g_free(name); 311 } 312 } 313 314 return g_test_run(); 315 } 316