1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/*
* 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();
}
|
