tests/boot-order-test.c

   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 <string.h>
  14 #include <glib.h>
  15 #include "libqos/fw_cfg.h"
  16 #include "libqtest.h"
  17
  18 #define NO_QEMU_PROTOS
  19 #include "hw/nvram/fw_cfg.h"
  20 #undef NO_QEMU_PROTOS
  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)(void),
  31                               uint64_t expected_boot,
  32                               uint64_t expected_reboot)
  33 {
  34     char *args;
  35     uint64_t actual;
  36
  37     args = g_strdup_printf("-nodefaults%s%s %s",
  38                            machine ? " -M " : "",
  39                            machine ?: "",
  40                            test_args);
  41     qtest_start(args);
  42     actual = read_boot_order();
  43     g_assert_cmphex(actual, ==, expected_boot);
  44     qmp_discard_response("{ 'execute': 'system_reset' }");
  45     /*
  46      * system_reset only requests reset.  We get a RESET event after
  47      * the actual reset completes.  Need to wait for that.
  48      */
  49     qmp_discard_response("");   /* HACK: wait for event */
  50     actual = read_boot_order();
  51     g_assert_cmphex(actual, ==, expected_reboot);
  52     qtest_quit(global_qtest);
  53     g_free(args);
  54 }
  55
  56 static void test_boot_orders(const char *machine,
  57                              uint64_t (*read_boot_order)(void),
  58                              const boot_order_test *tests)
  59 {
  60     int i;
  61
  62     for (i = 0; tests[i].args; i++) {
  63         test_a_boot_order(machine, tests[i].args,
  64                           read_boot_order,
  65                           tests[i].expected_boot,
  66                           tests[i].expected_reboot);
  67     }
  68 }
  69
  70 static uint8_t read_mc146818(uint16_t port, uint8_t reg)
  71 {
  72     outb(port, reg);
  73     return inb(port + 1);
  74 }
  75
  76 static uint64_t read_boot_order_pc(void)
  77 {
  78     uint8_t b1 = read_mc146818(0x70, 0x38);
  79     uint8_t b2 = read_mc146818(0x70, 0x3d);
  80
  81     return b1 | (b2 << 8);
  82 }
  83
  84 static const boot_order_test test_cases_pc[] = {
  85     { "",
  86       0x1230, 0x1230 },
  87     { "-no-fd-bootchk",
  88       0x1231, 0x1231 },
  89     { "-boot c",
  90       0x0200, 0x0200 },
  91     { "-boot nda",
  92       0x3410, 0x3410 },
  93     { "-boot order=",
  94       0, 0 },
  95     { "-boot order= -boot order=c",
  96       0x0200, 0x0200 },
  97     { "-boot once=a",
  98       0x0100, 0x1230 },
  99     { "-boot once=a -no-fd-bootchk",
 100       0x0101, 0x1231 },
 101     { "-boot once=a,order=c",
 102       0x0100, 0x0200 },
 103     { "-boot once=d -boot order=nda",
 104       0x0300, 0x3410 },
 105     { "-boot once=a -boot once=b -boot once=c",
 106       0x0200, 0x1230 },
 107     {}
 108 };
 109
 110 static void test_pc_boot_order(void)
 111 {
 112     test_boot_orders(NULL, read_boot_order_pc, test_cases_pc);
 113 }
 114
 115 static uint8_t read_m48t59(uint64_t addr, uint16_t reg)
 116 {
 117     writeb(addr, reg & 0xff);
 118     writeb(addr + 1, reg >> 8);
 119     return readb(addr + 3);
 120 }
 121
 122 static uint64_t read_boot_order_prep(void)
 123 {
 124     return read_m48t59(0x80000000 + 0x74, 0x34);
 125 }
 126
 127 static const boot_order_test test_cases_prep[] = {
 128     { "", 'c', 'c' },
 129     { "-boot c", 'c', 'c' },
 130     { "-boot d", 'd', 'd' },
 131     {}
 132 };
 133
 134 static void test_prep_boot_order(void)
 135 {
 136     test_boot_orders("prep", read_boot_order_prep, test_cases_prep);
 137 }
 138
 139 static uint64_t read_boot_order_pmac(void)
 140 {
 141     QFWCFG *fw_cfg = mm_fw_cfg_init(0xf0000510);
 142
 143     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 144 }
 145
 146 static const boot_order_test test_cases_fw_cfg[] = {
 147     { "", 'c', 'c' },
 148     { "-boot c", 'c', 'c' },
 149     { "-boot d", 'd', 'd' },
 150     { "-boot once=d,order=c", 'd', 'c' },
 151     {}
 152 };
 153
 154 static void test_pmac_oldworld_boot_order(void)
 155 {
 156     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
 157 }
 158
 159 static void test_pmac_newworld_boot_order(void)
 160 {
 161     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
 162 }
 163
 164 static uint64_t read_boot_order_sun4m(void)
 165 {
 166     QFWCFG *fw_cfg = mm_fw_cfg_init(0xd00000510ULL);
 167
 168     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 169 }
 170
 171 static void test_sun4m_boot_order(void)
 172 {
 173     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
 174 }
 175
 176 static uint64_t read_boot_order_sun4u(void)
 177 {
 178     QFWCFG *fw_cfg = io_fw_cfg_init(0x510);
 179
 180     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 181 }
 182
 183 static void test_sun4u_boot_order(void)
 184 {
 185     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
 186 }
 187
 188 int main(int argc, char *argv[])
 189 {
 190     const char *arch = qtest_get_arch();
 191
 192     g_test_init(&argc, &argv, NULL);
 193
 194     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 195         qtest_add_func("boot-order/pc", test_pc_boot_order);
 196     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
 197         qtest_add_func("boot-order/prep", test_prep_boot_order);
 198         qtest_add_func("boot-order/pmac_oldworld",
 199                        test_pmac_oldworld_boot_order);
 200         qtest_add_func("boot-order/pmac_newworld",
 201                        test_pmac_newworld_boot_order);
 202     } else if (strcmp(arch, "sparc") == 0) {
 203         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
 204     } else if (strcmp(arch, "sparc64") == 0) {
 205         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
 206     }
 207
 208     return g_test_run();
 209 }