xref: /openbmc/qemu/tests/qtest/boot-order-test.c (revision 67abc3dd)
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 "libqos/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 uint64_t read_boot_order_pmac(QTestState *qts)
112 {
113     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510);
114 
115     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
116 }
117 
118 static const boot_order_test test_cases_fw_cfg[] = {
119     { "", 'c', 'c' },
120     { "-boot c", 'c', 'c' },
121     { "-boot d", 'd', 'd' },
122     { "-boot once=d,order=c", 'd', 'c' },
123     {}
124 };
125 
126 static void test_pmac_oldworld_boot_order(void)
127 {
128     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
129 }
130 
131 static void test_pmac_newworld_boot_order(void)
132 {
133     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
134 }
135 
136 static uint64_t read_boot_order_sun4m(QTestState *qts)
137 {
138     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL);
139 
140     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
141 }
142 
143 static void test_sun4m_boot_order(void)
144 {
145     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
146 }
147 
148 static uint64_t read_boot_order_sun4u(QTestState *qts)
149 {
150     g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510);
151 
152     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
153 }
154 
155 static void test_sun4u_boot_order(void)
156 {
157     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
158 }
159 
160 int main(int argc, char *argv[])
161 {
162     const char *arch = qtest_get_arch();
163 
164     g_test_init(&argc, &argv, NULL);
165 
166     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
167         qtest_add_func("boot-order/pc", test_pc_boot_order);
168     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
169         qtest_add_func("boot-order/pmac_oldworld",
170                        test_pmac_oldworld_boot_order);
171         qtest_add_func("boot-order/pmac_newworld",
172                        test_pmac_newworld_boot_order);
173     } else if (strcmp(arch, "sparc") == 0) {
174         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
175     } else if (strcmp(arch, "sparc64") == 0) {
176         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
177     }
178 
179     return g_test_run();
180 }
181