tests/endianness-test.c

   1 /*
   2  * QTest testcase for ISA endianness
   3  *
   4  * Copyright Red Hat, Inc. 2012
   5  *
   6  * Authors:
   7  *  Paolo Bonzini <pbonzini@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
  14 #include "qemu/osdep.h"
  15
  16 #include "libqtest.h"
  17 #include "qemu/bswap.h"
  18
  19 typedef struct TestCase TestCase;
  20 struct TestCase {
  21     const char *arch;
  22     const char *machine;
  23     uint64_t isa_base;
  24     bool bswap;
  25     const char *superio;
  26 };
  27
  28 static const TestCase test_cases[] = {
  29     { "i386", "pc", -1 },
  30     { "mips", "mips", 0x14000000, .bswap = true },
  31     { "mips", "malta", 0x10000000, .bswap = true },
  32     { "mips64", "magnum", 0x90000000, .bswap = true },
  33     { "mips64", "pica61", 0x90000000, .bswap = true },
  34     { "mips64", "mips", 0x14000000, .bswap = true },
  35     { "mips64", "malta", 0x10000000, .bswap = true },
  36     { "mips64el", "fulong2e", 0x1fd00000 },
  37     { "ppc", "g3beige", 0xfe000000, .bswap = true, .superio = "i82378" },
  38     { "ppc", "prep", 0x80000000, .bswap = true },
  39     { "ppc", "bamboo", 0xe8000000, .bswap = true, .superio = "i82378" },
  40     { "ppc64", "mac99", 0xf2000000, .bswap = true, .superio = "i82378" },
  41     { "ppc64", "pseries", 0x10080000000ULL,
  42       .bswap = true, .superio = "i82378" },
  43     { "sh4", "r2d", 0xfe240000, .superio = "i82378" },
  44     { "sh4eb", "r2d", 0xfe240000, .bswap = true, .superio = "i82378" },
  45     { "sparc64", "sun4u", 0x1fe02000000LL, .bswap = true },
  46     { "x86_64", "pc", -1 },
  47     {}
  48 };
  49
  50 static uint8_t isa_inb(const TestCase *test, uint16_t addr)
  51 {
  52     uint8_t value;
  53     if (test->isa_base == -1) {
  54         value = inb(addr);
  55     } else {
  56         value = readb(test->isa_base + addr);
  57     }
  58     return value;
  59 }
  60
  61 static uint16_t isa_inw(const TestCase *test, uint16_t addr)
  62 {
  63     uint16_t value;
  64     if (test->isa_base == -1) {
  65         value = inw(addr);
  66     } else {
  67         value = readw(test->isa_base + addr);
  68     }
  69     return test->bswap ? bswap16(value) : value;
  70 }
  71
  72 static uint32_t isa_inl(const TestCase *test, uint16_t addr)
  73 {
  74     uint32_t value;
  75     if (test->isa_base == -1) {
  76         value = inl(addr);
  77     } else {
  78         value = readl(test->isa_base + addr);
  79     }
  80     return test->bswap ? bswap32(value) : value;
  81 }
  82
  83 static void isa_outb(const TestCase *test, uint16_t addr, uint8_t value)
  84 {
  85     if (test->isa_base == -1) {
  86         outb(addr, value);
  87     } else {
  88         writeb(test->isa_base + addr, value);
  89     }
  90 }
  91
  92 static void isa_outw(const TestCase *test, uint16_t addr, uint16_t value)
  93 {
  94     value = test->bswap ? bswap16(value) : value;
  95     if (test->isa_base == -1) {
  96         outw(addr, value);
  97     } else {
  98         writew(test->isa_base + addr, value);
  99     }
 100 }
 101
 102 static void isa_outl(const TestCase *test, uint16_t addr, uint32_t value)
 103 {
 104     value = test->bswap ? bswap32(value) : value;
 105     if (test->isa_base == -1) {
 106         outl(addr, value);
 107     } else {
 108         writel(test->isa_base + addr, value);
 109     }
 110 }
 111
 112
 113 static void test_endianness(gconstpointer data)
 114 {
 115     const TestCase *test = data;
 116     char *args;
 117
 118     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 119                            test->machine,
 120                            test->superio ? " -device " : "",
 121                            test->superio ?: "");
 122     qtest_start(args);
 123     isa_outl(test, 0xe0, 0x87654321);
 124     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 125     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 126     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 127     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 128     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 129     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 130     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 131
 132     isa_outw(test, 0xe2, 0x8866);
 133     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
 134     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 135     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 136     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x88);
 137     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 138     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 139     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 140
 141     isa_outw(test, 0xe0, 0x4422);
 142     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
 143     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 144     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 145     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x88);
 146     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 147     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 148     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 149
 150     isa_outb(test, 0xe3, 0x87);
 151     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
 152     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
 153     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 154     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 155     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 156     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 157
 158     isa_outb(test, 0xe2, 0x65);
 159     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
 160     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 161     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 162     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 163     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 164     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 165     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 166
 167     isa_outb(test, 0xe1, 0x43);
 168     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
 169     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 170     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
 171     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 172     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 173     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 174     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 175
 176     isa_outb(test, 0xe0, 0x21);
 177     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 178     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 179     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 180     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 181     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 182     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 183     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 184     qtest_quit(global_qtest);
 185     g_free(args);
 186 }
 187
 188 static void test_endianness_split(gconstpointer data)
 189 {
 190     const TestCase *test = data;
 191     char *args;
 192
 193     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 194                            test->machine,
 195                            test->superio ? " -device " : "",
 196                            test->superio ?: "");
 197     qtest_start(args);
 198     isa_outl(test, 0xe8, 0x87654321);
 199     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 200     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 201     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 202
 203     isa_outw(test, 0xea, 0x8866);
 204     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
 205     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 206     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 207
 208     isa_outw(test, 0xe8, 0x4422);
 209     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
 210     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 211     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 212
 213     isa_outb(test, 0xeb, 0x87);
 214     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
 215     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
 216
 217     isa_outb(test, 0xea, 0x65);
 218     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
 219     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 220     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 221
 222     isa_outb(test, 0xe9, 0x43);
 223     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
 224     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 225     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
 226
 227     isa_outb(test, 0xe8, 0x21);
 228     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 229     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 230     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 231     qtest_quit(global_qtest);
 232     g_free(args);
 233 }
 234
 235 static void test_endianness_combine(gconstpointer data)
 236 {
 237     const TestCase *test = data;
 238     char *args;
 239
 240     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 241                            test->machine,
 242                            test->superio ? " -device " : "",
 243                            test->superio ?: "");
 244     qtest_start(args);
 245     isa_outl(test, 0xe0, 0x87654321);
 246     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
 247     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 248     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 249
 250     isa_outw(test, 0xe2, 0x8866);
 251     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664321);
 252     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
 253     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 254
 255     isa_outw(test, 0xe0, 0x4422);
 256     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664422);
 257     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
 258     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
 259
 260     isa_outb(test, 0xe3, 0x87);
 261     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87664422);
 262     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8766);
 263
 264     isa_outb(test, 0xe2, 0x65);
 265     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654422);
 266     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 267     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
 268
 269     isa_outb(test, 0xe1, 0x43);
 270     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654322);
 271     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 272     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4322);
 273
 274     isa_outb(test, 0xe0, 0x21);
 275     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
 276     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 277     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 278     qtest_quit(global_qtest);
 279     g_free(args);
 280 }
 281
 282 int main(int argc, char **argv)
 283 {
 284     const char *arch = qtest_get_arch();
 285     int i;
 286
 287     g_test_init(&argc, &argv, NULL);
 288
 289     for (i = 0; test_cases[i].arch; i++) {
 290         gchar *path;
 291         if (strcmp(test_cases[i].arch, arch) != 0) {
 292             continue;
 293         }
 294         path = g_strdup_printf("endianness/%s",
 295                                test_cases[i].machine);
 296         qtest_add_data_func(path, &test_cases[i], test_endianness);
 297
 298         path = g_strdup_printf("endianness/split/%s",
 299                                test_cases[i].machine);
 300         qtest_add_data_func(path, &test_cases[i], test_endianness_split);
 301
 302         path = g_strdup_printf("endianness/combine/%s",
 303                                test_cases[i].machine);
 304         qtest_add_data_func(path, &test_cases[i], test_endianness_combine);
 305     }
 306
 307     return g_test_run();
 308 }