xref: /openbmc/qemu/tests/qtest/boot-order-test.c (revision 84369d76)
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 "libqtest.h"
16 #include "qapi/qmp/qdict.h"
17 #include "standard-headers/linux/qemu_fw_cfg.h"
18 
19 typedef struct {
20     const char *args;
21     uint64_t expected_boot;
22     uint64_t expected_reboot;
23 } boot_order_test;
24 
25 static void test_a_boot_order(const char *machine,
26                               const char *test_args,
27                               uint64_t (*read_boot_order)(QTestState *),
28                               uint64_t expected_boot,
29                               uint64_t expected_reboot)
30 {
31     uint64_t actual;
32     QTestState *qts;
33 
34     if (machine && !qtest_has_machine(machine)) {
35         g_test_skip("Machine is not available");
36         return;
37     }
38 
39     qts = qtest_initf("-nodefaults%s%s %s", machine ? " -M " : "",
40                       machine ?: "", test_args);
41     actual = read_boot_order(qts);
42     g_assert_cmphex(actual, ==, expected_boot);
43     qtest_qmp_assert_success(qts, "{ 'execute': 'system_reset' }");
44     /*
45      * system_reset only requests reset.  We get a RESET event after
46      * the actual reset completes.  Need to wait for that.
47      */
48     qtest_qmp_eventwait(qts, "RESET");
49     actual = read_boot_order(qts);
50     g_assert_cmphex(actual, ==, expected_reboot);
51     qtest_quit(qts);
52 }
53 
54 static void test_boot_orders(const char *machine,
55                              uint64_t (*read_boot_order)(QTestState *),
56                              const boot_order_test *tests)
57 {
58     int i;
59 
60     for (i = 0; tests[i].args; i++) {
61         test_a_boot_order(machine, tests[i].args,
62                           read_boot_order,
63                           tests[i].expected_boot,
64                           tests[i].expected_reboot);
65     }
66 }
67 
68 static uint8_t read_mc146818(QTestState *qts, uint16_t port, uint8_t reg)
69 {
70     qtest_outb(qts, port, reg);
71     return qtest_inb(qts, port + 1);
72 }
73 
74 static uint64_t read_boot_order_pc(QTestState *qts)
75 {
76     uint8_t b1 = read_mc146818(qts, 0x70, 0x38);
77     uint8_t b2 = read_mc146818(qts, 0x70, 0x3d);
78 
79     return b1 | (b2 << 8);
80 }
81 
82 static const boot_order_test test_cases_pc[] = {
83     { "",
84       0x1230, 0x1230 },
85     { "-no-fd-bootchk",
86       0x1231, 0x1231 },
87     { "-boot c",
88       0x0200, 0x0200 },
89     { "-boot nda",
90       0x3410, 0x3410 },
91     { "-boot order=",
92       0, 0 },
93     { "-boot order= -boot order=c",
94       0x0200, 0x0200 },
95     { "-boot once=a",
96       0x0100, 0x1230 },
97     { "-boot once=a -no-fd-bootchk",
98       0x0101, 0x1231 },
99     { "-boot once=a,order=c",
100       0x0100, 0x0200 },
101     { "-boot once=d -boot order=nda",
102       0x0300, 0x3410 },
103     { "-boot once=a -boot once=b -boot once=c",
104       0x0200, 0x1230 },
105     {}
106 };
107 
108 static void test_pc_boot_order(void)
109 {
110     test_boot_orders(NULL, read_boot_order_pc, test_cases_pc);
111 }
112 
113 static uint64_t read_boot_order_pmac(QTestState *qts)
114 {
115     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510);
116 
117     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
118 }
119 
120 static const boot_order_test test_cases_fw_cfg[] = {
121     { "", 'c', 'c' },
122     { "-boot c", 'c', 'c' },
123     { "-boot d", 'd', 'd' },
124     { "-boot once=d,order=c", 'd', 'c' },
125     {}
126 };
127 
128 static void test_pmac_oldworld_boot_order(void)
129 {
130     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
131 }
132 
133 static void test_pmac_newworld_boot_order(void)
134 {
135     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
136 }
137 
138 static uint64_t read_boot_order_sun4m(QTestState *qts)
139 {
140     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL);
141 
142     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
143 }
144 
145 static void test_sun4m_boot_order(void)
146 {
147     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
148 }
149 
150 static uint64_t read_boot_order_sun4u(QTestState *qts)
151 {
152     g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510);
153 
154     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
155 }
156 
157 static void test_sun4u_boot_order(void)
158 {
159     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
160 }
161 
162 int main(int argc, char *argv[])
163 {
164     const char *arch = qtest_get_arch();
165 
166     g_test_init(&argc, &argv, NULL);
167 
168     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
169         qtest_add_func("boot-order/pc", test_pc_boot_order);
170     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
171         qtest_add_func("boot-order/pmac_oldworld",
172                        test_pmac_oldworld_boot_order);
173         qtest_add_func("boot-order/pmac_newworld",
174                        test_pmac_newworld_boot_order);
175     } else if (strcmp(arch, "sparc") == 0) {
176         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
177     } else if (strcmp(arch, "sparc64") == 0) {
178         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
179     }
180 
181     return g_test_run();
182 }
183