| /* |
| * Test serial output of some machines. |
| * |
| * Copyright 2016 Thomas Huth, Red Hat Inc. |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 |
| * or later. See the COPYING file in the top-level directory. |
| * |
| * This test is used to check that the serial output of the firmware |
| * (that we provide for some machines) or some small mini-kernels that |
| * we provide here contains an expected string. Thus we check that the |
| * firmware/kernel still boots at least to a certain point and so we |
| * know that the machine is not completely broken. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "libqos/libqtest.h" |
| #include "libqos/libqos-spapr.h" |
| |
| static const uint8_t bios_avr[] = { |
| 0x88, 0xe0, /* ldi r24, 0x08 */ |
| 0x80, 0x93, 0xc1, 0x00, /* sts 0x00C1, r24 ; Enable tx */ |
| 0x86, 0xe0, /* ldi r24, 0x06 */ |
| 0x80, 0x93, 0xc2, 0x00, /* sts 0x00C2, r24 ; Set the data bits to 8 */ |
| 0x84, 0xe5, /* ldi r24, 0x54 */ |
| 0x80, 0x93, 0xc6, 0x00, /* sts 0x00C6, r24 ; Output 'T' */ |
| }; |
| |
| static const uint8_t kernel_mcf5208[] = { |
| 0x41, 0xf9, 0xfc, 0x06, 0x00, 0x00, /* lea 0xfc060000,%a0 */ |
| 0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */ |
| 0x11, 0x7c, 0x00, 0x04, 0x00, 0x08, /* move.b #4,8(%a0) Enable TX */ |
| 0x11, 0x40, 0x00, 0x0c, /* move.b %d0,12(%a0) Print 'T' */ |
| 0x60, 0xfa /* bra.s loop */ |
| }; |
| |
| static const uint8_t bios_nextcube[] = { |
| 0x06, 0x00, 0x00, 0x00, /* Initial SP */ |
| 0x01, 0x00, 0x00, 0x08, /* Initial PC */ |
| 0x41, 0xf9, 0x02, 0x11, 0x80, 0x00, /* lea 0x02118000,%a0 */ |
| 0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */ |
| 0x11, 0x7c, 0x00, 0x05, 0x00, 0x01, /* move.b #5,1(%a0) Sel TXCTRL */ |
| 0x11, 0x7c, 0x00, 0x68, 0x00, 0x01, /* move.b #0x68,1(%a0) Enable TX */ |
| 0x11, 0x40, 0x00, 0x03, /* move.b %d0,3(%a0) Print 'T' */ |
| 0x60, 0xfa /* bra.s loop */ |
| }; |
| |
| static const uint8_t kernel_pls3adsp1800[] = { |
| 0xb0, 0x00, 0x84, 0x00, /* imm 0x8400 */ |
| 0x30, 0x60, 0x00, 0x04, /* addik r3,r0,4 */ |
| 0x30, 0x80, 0x00, 0x54, /* addik r4,r0,'T' */ |
| 0xf0, 0x83, 0x00, 0x00, /* sbi r4,r3,0 */ |
| 0xb8, 0x00, 0xff, 0xfc /* bri -4 loop */ |
| }; |
| |
| static const uint8_t kernel_plml605[] = { |
| 0xe0, 0x83, 0x00, 0xb0, /* imm 0x83e0 */ |
| 0x00, 0x10, 0x60, 0x30, /* addik r3,r0,0x1000 */ |
| 0x54, 0x00, 0x80, 0x30, /* addik r4,r0,'T' */ |
| 0x00, 0x00, 0x83, 0xf0, /* sbi r4,r3,0 */ |
| 0xfc, 0xff, 0x00, 0xb8 /* bri -4 loop */ |
| }; |
| |
| static const uint8_t bios_moxiesim[] = { |
| 0x20, 0x10, 0x00, 0x00, 0x03, 0xf8, /* ldi.s r1,0x3f8 */ |
| 0x1b, 0x20, 0x00, 0x00, 0x00, 0x54, /* ldi.b r2,'T' */ |
| 0x1e, 0x12, /* st.b r1,r2 */ |
| 0x1a, 0x00, 0x00, 0x00, 0x10, 0x00 /* jmpa 0x1000 */ |
| }; |
| |
| static const uint8_t bios_raspi2[] = { |
| 0x08, 0x30, 0x9f, 0xe5, /* ldr r3,[pc,#8] Get base */ |
| 0x54, 0x20, 0xa0, 0xe3, /* mov r2,#'T' */ |
| 0x00, 0x20, 0xc3, 0xe5, /* strb r2,[r3] */ |
| 0xfb, 0xff, 0xff, 0xea, /* b loop */ |
| 0x00, 0x10, 0x20, 0x3f, /* 0x3f201000 = UART0 base addr */ |
| }; |
| |
| static const uint8_t kernel_aarch64[] = { |
| 0x81, 0x0a, 0x80, 0x52, /* mov w1, #0x54 */ |
| 0x02, 0x20, 0xa1, 0xd2, /* mov x2, #0x9000000 */ |
| 0x41, 0x00, 0x00, 0x39, /* strb w1, [x2] */ |
| 0xfd, 0xff, 0xff, 0x17, /* b -12 (loop) */ |
| }; |
| |
| static const uint8_t kernel_nrf51[] = { |
| 0x00, 0x00, 0x00, 0x00, /* Stack top address */ |
| 0x09, 0x00, 0x00, 0x00, /* Reset handler address */ |
| 0x04, 0x4a, /* ldr r2, [pc, #16] Get ENABLE */ |
| 0x04, 0x21, /* movs r1, #4 */ |
| 0x11, 0x60, /* str r1, [r2] */ |
| 0x04, 0x4a, /* ldr r2, [pc, #16] Get STARTTX */ |
| 0x01, 0x21, /* movs r1, #1 */ |
| 0x11, 0x60, /* str r1, [r2] */ |
| 0x03, 0x4a, /* ldr r2, [pc, #12] Get TXD */ |
| 0x54, 0x21, /* movs r1, 'T' */ |
| 0x11, 0x60, /* str r1, [r2] */ |
| 0xfe, 0xe7, /* b . */ |
| 0x00, 0x25, 0x00, 0x40, /* 0x40002500 = UART ENABLE */ |
| 0x08, 0x20, 0x00, 0x40, /* 0x40002008 = UART STARTTX */ |
| 0x1c, 0x25, 0x00, 0x40 /* 0x4000251c = UART TXD */ |
| }; |
| |
| typedef struct testdef { |
| const char *arch; /* Target architecture */ |
| const char *machine; /* Name of the machine */ |
| const char *extra; /* Additional parameters */ |
| const char *expect; /* Expected string in the serial output */ |
| size_t codesize; /* Size of the kernel or bios data */ |
| const uint8_t *kernel; /* Set in case we use our own mini kernel */ |
| const uint8_t *bios; /* Set in case we use our own mini bios */ |
| } testdef_t; |
| |
| static testdef_t tests[] = { |
| { "alpha", "clipper", "", "PCI:" }, |
| { "avr", "arduino-duemilanove", "", "T", sizeof(bios_avr), NULL, bios_avr }, |
| { "avr", "arduino-mega-2560-v3", "", "T", sizeof(bios_avr), NULL, bios_avr}, |
| { "ppc", "ppce500", "", "U-Boot" }, |
| { "ppc", "40p", "-vga none -boot d", "Trying cd:," }, |
| { "ppc", "g3beige", "", "PowerPC,750" }, |
| { "ppc", "mac99", "", "PowerPC,G4" }, |
| { "ppc", "sam460ex", "-m 256", "DRAM: 256 MiB" }, |
| { "ppc64", "ppce500", "", "U-Boot" }, |
| { "ppc64", "40p", "-m 192", "Memory: 192M" }, |
| { "ppc64", "mac99", "", "PowerPC,970FX" }, |
| { "ppc64", "pseries", |
| "-machine " PSERIES_DEFAULT_CAPABILITIES, |
| "Open Firmware" }, |
| { "ppc64", "powernv8", "", "OPAL" }, |
| { "ppc64", "powernv9", "", "OPAL" }, |
| { "ppc64", "sam460ex", "-device e1000", "8086 100e" }, |
| { "i386", "isapc", "-cpu qemu32 -device sga", "SGABIOS" }, |
| { "i386", "pc", "-device sga", "SGABIOS" }, |
| { "i386", "q35", "-device sga", "SGABIOS" }, |
| { "x86_64", "isapc", "-cpu qemu32 -device sga", "SGABIOS" }, |
| { "x86_64", "q35", "-device sga", "SGABIOS" }, |
| { "sparc", "LX", "", "TMS390S10" }, |
| { "sparc", "SS-4", "", "MB86904" }, |
| { "sparc", "SS-600MP", "", "TMS390Z55" }, |
| { "sparc64", "sun4u", "", "UltraSPARC" }, |
| { "s390x", "s390-ccw-virtio", "", "device" }, |
| { "m68k", "mcf5208evb", "", "TT", sizeof(kernel_mcf5208), kernel_mcf5208 }, |
| { "m68k", "next-cube", "", "TT", sizeof(bios_nextcube), 0, bios_nextcube }, |
| { "microblaze", "petalogix-s3adsp1800", "", "TT", |
| sizeof(kernel_pls3adsp1800), kernel_pls3adsp1800 }, |
| { "microblazeel", "petalogix-ml605", "", "TT", |
| sizeof(kernel_plml605), kernel_plml605 }, |
| { "moxie", "moxiesim", "", "TT", sizeof(bios_moxiesim), 0, bios_moxiesim }, |
| { "arm", "raspi2", "", "TT", sizeof(bios_raspi2), 0, bios_raspi2 }, |
| /* For hppa, force bios to output to serial by disabling graphics. */ |
| { "hppa", "hppa", "-vga none", "SeaBIOS wants SYSTEM HALT" }, |
| { "aarch64", "virt", "-cpu cortex-a57", "TT", sizeof(kernel_aarch64), |
| kernel_aarch64 }, |
| { "arm", "microbit", "", "T", sizeof(kernel_nrf51), kernel_nrf51 }, |
| |
| { NULL } |
| }; |
| |
| static bool check_guest_output(QTestState *qts, const testdef_t *test, int fd) |
| { |
| int nbr = 0, pos = 0, ccnt; |
| time_t now, start = time(NULL); |
| char ch; |
| |
| /* Poll serial output... */ |
| while (1) { |
| ccnt = 0; |
| while (ccnt++ < 512 && (nbr = read(fd, &ch, 1)) == 1) { |
| if (ch == test->expect[pos]) { |
| pos += 1; |
| if (test->expect[pos] == '\0') { |
| /* We've reached the end of the expected string! */ |
| return true; |
| } |
| } else { |
| pos = 0; |
| } |
| } |
| g_assert(nbr >= 0); |
| /* Wait only if the child is still alive. */ |
| if (!qtest_probe_child(qts)) { |
| break; |
| } |
| /* Wait at most 360 seconds. */ |
| now = time(NULL); |
| if (now - start >= 360) { |
| break; |
| } |
| g_usleep(10000); |
| } |
| |
| return false; |
| } |
| |
| static void test_machine(const void *data) |
| { |
| const testdef_t *test = data; |
| char serialtmp[] = "/tmp/qtest-boot-serial-sXXXXXX"; |
| char codetmp[] = "/tmp/qtest-boot-serial-cXXXXXX"; |
| const char *codeparam = ""; |
| const uint8_t *code = NULL; |
| QTestState *qts; |
| int ser_fd; |
| |
| ser_fd = mkstemp(serialtmp); |
| g_assert(ser_fd != -1); |
| |
| if (test->kernel) { |
| code = test->kernel; |
| codeparam = "-kernel"; |
| } else if (test->bios) { |
| code = test->bios; |
| codeparam = "-bios"; |
| } |
| |
| if (code) { |
| ssize_t wlen; |
| int code_fd; |
| |
| code_fd = mkstemp(codetmp); |
| g_assert(code_fd != -1); |
| wlen = write(code_fd, code, test->codesize); |
| g_assert(wlen == test->codesize); |
| close(code_fd); |
| } |
| |
| /* |
| * Make sure that this test uses tcg if available: It is used as a |
| * fast-enough smoketest for that. |
| */ |
| qts = qtest_initf("%s %s -M %s -no-shutdown " |
| "-chardev file,id=serial0,path=%s " |
| "-serial chardev:serial0 -accel tcg -accel kvm %s", |
| codeparam, code ? codetmp : "", test->machine, |
| serialtmp, test->extra); |
| if (code) { |
| unlink(codetmp); |
| } |
| |
| if (!check_guest_output(qts, test, ser_fd)) { |
| g_error("Failed to find expected string. Please check '%s'", |
| serialtmp); |
| } |
| unlink(serialtmp); |
| |
| qtest_quit(qts); |
| |
| close(ser_fd); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| const char *arch = qtest_get_arch(); |
| int i; |
| |
| g_test_init(&argc, &argv, NULL); |
| |
| for (i = 0; tests[i].arch != NULL; i++) { |
| if (strcmp(arch, tests[i].arch) == 0) { |
| char *name = g_strdup_printf("boot-serial/%s", tests[i].machine); |
| qtest_add_data_func(name, &tests[i], test_machine); |
| g_free(name); |
| } |
| } |
| |
| return g_test_run(); |
| } |
