diff options
Diffstat (limited to 'tests/qtest/boot-serial-test.c')
-rw-r--r-- | tests/qtest/boot-serial-test.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/tests/qtest/boot-serial-test.c b/tests/qtest/boot-serial-test.c new file mode 100644 index 0000000000..05c7f44457 --- /dev/null +++ b/tests/qtest/boot-serial-test.c @@ -0,0 +1,254 @@ +/* + * 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 "libqtest.h" + +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:" }, + { "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 cap-cfpc=broken,cap-sbbc=broken,cap-ibs=broken", + "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 }, + { "hppa", "hppa", "", "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(); +} |