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 <glib.h>
  15 #include <stdio.h>
  16 #include <string.h>
  17 #include <stdlib.h>
  18 #include <unistd.h>
  19
  20 #include "libqtest.h"
  21 #include "qemu/bswap.h"
  22
  23 typedef struct TestCase TestCase;
  24 struct TestCase {
  25     const char *arch;
  26     const char *machine;
  27     uint64_t isa_base;
  28     bool bswap;
  29     const char *superio;
  30 };
  31
  32 static const TestCase test_cases[] = {
  33     { "i386", "pc", -1 },
  34     { "mips", "mips", 0x14000000, .bswap = true },
  35     { "mips", "malta", 0x10000000, .bswap = true },
  36     { "mips64", "magnum", 0x90000000, .bswap = true },
  37     { "mips64", "pica61", 0x90000000, .bswap = true },
  38     { "mips64", "mips", 0x14000000, .bswap = true },
  39     { "mips64", "malta", 0x10000000, .bswap = true },
  40     { "mips64el", "fulong2e", 0x1fd00000 },
  41     { "ppc", "g3beige", 0xfe000000, .bswap = true, .superio = "i82378" },
  42     { "ppc", "prep", 0x80000000, .bswap = true },
  43     { "ppc", "bamboo", 0xe8000000, .bswap = true, .superio = "i82378" },
  44     { "ppc64", "mac99", 0xf2000000, .bswap = true, .superio = "i82378" },
  45     { "ppc64", "pseries", 0x10080000000ULL,
  46       .bswap = true, .superio = "i82378" },
  47     { "sh4", "r2d", 0xfe240000, .superio = "i82378" },
  48     { "sh4eb", "r2d", 0xfe240000, .bswap = true, .superio = "i82378" },
  49     { "sparc64", "sun4u", 0x1fe02000000LL, .bswap = true },
  50     { "x86_64", "pc", -1 },
  51     {}
  52 };
  53
  54 static uint8_t isa_inb(const TestCase *test, uint16_t addr)
  55 {
  56     uint8_t value;
  57     if (test->isa_base == -1) {
  58         value = inb(addr);
  59     } else {
  60         value = readb(test->isa_base + addr);
  61     }
  62     return value;
  63 }
  64
  65 static uint16_t isa_inw(const TestCase *test, uint16_t addr)
  66 {
  67     uint16_t value;
  68     if (test->isa_base == -1) {
  69         value = inw(addr);
  70     } else {
  71         value = readw(test->isa_base + addr);
  72     }
  73     return test->bswap ? bswap16(value) : value;
  74 }
  75
  76 static uint32_t isa_inl(const TestCase *test, uint16_t addr)
  77 {
  78     uint32_t value;
  79     if (test->isa_base == -1) {
  80         value = inl(addr);
  81     } else {
  82         value = readl(test->isa_base + addr);
  83     }
  84     return test->bswap ? bswap32(value) : value;
  85 }
  86
  87 static void isa_outb(const TestCase *test, uint16_t addr, uint8_t value)
  88 {
  89     if (test->isa_base == -1) {
  90         outb(addr, value);
  91     } else {
  92         writeb(test->isa_base + addr, value);
  93     }
  94 }
  95
  96 static void isa_outw(const TestCase *test, uint16_t addr, uint16_t value)
  97 {
  98     value = test->bswap ? bswap16(value) : value;
  99     if (test->isa_base == -1) {
 100         outw(addr, value);
 101     } else {
 102         writew(test->isa_base + addr, value);
 103     }
 104 }
 105
 106 static void isa_outl(const TestCase *test, uint16_t addr, uint32_t value)
 107 {
 108     value = test->bswap ? bswap32(value) : value;
 109     if (test->isa_base == -1) {
 110         outl(addr, value);
 111     } else {
 112         writel(test->isa_base + addr, value);
 113     }
 114 }
 115
 116
 117 static void test_endianness(gconstpointer data)
 118 {
 119     const TestCase *test = data;
 120     char *args;
 121
 122     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 123                            test->machine,
 124                            test->superio ? " -device " : "",
 125                            test->superio ?: "");
 126     qtest_start(args);
 127     isa_outl(test, 0xe0, 0x87654321);
 128     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 129     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 130     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 131     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 132     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 133     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 134     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 135
 136     isa_outw(test, 0xe2, 0x8866);
 137     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
 138     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 139     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 140     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x88);
 141     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 142     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 143     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 144
 145     isa_outw(test, 0xe0, 0x4422);
 146     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
 147     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 148     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 149     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x88);
 150     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 151     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 152     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 153
 154     isa_outb(test, 0xe3, 0x87);
 155     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
 156     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
 157     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 158     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x66);
 159     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 160     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 161
 162     isa_outb(test, 0xe2, 0x65);
 163     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
 164     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 165     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 166     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 167     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 168     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x44);
 169     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 170
 171     isa_outb(test, 0xe1, 0x43);
 172     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
 173     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 174     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
 175     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 176     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 177     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 178     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x22);
 179
 180     isa_outb(test, 0xe0, 0x21);
 181     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 182     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 183     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 184     g_assert_cmphex(isa_inb(test, 0xe3), ==, 0x87);
 185     g_assert_cmphex(isa_inb(test, 0xe2), ==, 0x65);
 186     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
 187     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
 188     qtest_quit(global_qtest);
 189     g_free(args);
 190 }
 191
 192 static void test_endianness_split(gconstpointer data)
 193 {
 194     const TestCase *test = data;
 195     char *args;
 196
 197     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 198                            test->machine,
 199                            test->superio ? " -device " : "",
 200                            test->superio ?: "");
 201     qtest_start(args);
 202     isa_outl(test, 0xe8, 0x87654321);
 203     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 204     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 205     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 206
 207     isa_outw(test, 0xea, 0x8866);
 208     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
 209     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 210     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 211
 212     isa_outw(test, 0xe8, 0x4422);
 213     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
 214     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
 215     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 216
 217     isa_outb(test, 0xeb, 0x87);
 218     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
 219     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
 220
 221     isa_outb(test, 0xea, 0x65);
 222     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
 223     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 224     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
 225
 226     isa_outb(test, 0xe9, 0x43);
 227     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
 228     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 229     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
 230
 231     isa_outb(test, 0xe8, 0x21);
 232     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
 233     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
 234     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
 235     qtest_quit(global_qtest);
 236     g_free(args);
 237 }
 238
 239 static void test_endianness_combine(gconstpointer data)
 240 {
 241     const TestCase *test = data;
 242     char *args;
 243
 244     args = g_strdup_printf("-M %s%s%s -device pc-testdev",
 245                            test->machine,
 246                            test->superio ? " -device " : "",
 247                            test->superio ?: "");
 248     qtest_start(args);
 249     isa_outl(test, 0xe0, 0x87654321);
 250     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
 251     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 252     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 253
 254     isa_outw(test, 0xe2, 0x8866);
 255     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664321);
 256     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
 257     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 258
 259     isa_outw(test, 0xe0, 0x4422);
 260     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664422);
 261     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
 262     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
 263
 264     isa_outb(test, 0xe3, 0x87);
 265     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87664422);
 266     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8766);
 267
 268     isa_outb(test, 0xe2, 0x65);
 269     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654422);
 270     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 271     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
 272
 273     isa_outb(test, 0xe1, 0x43);
 274     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654322);
 275     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 276     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4322);
 277
 278     isa_outb(test, 0xe0, 0x21);
 279     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
 280     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
 281     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
 282     qtest_quit(global_qtest);
 283     g_free(args);
 284 }
 285
 286 int main(int argc, char **argv)
 287 {
 288     const char *arch = qtest_get_arch();
 289     int ret;
 290     int i;
 291
 292     g_test_init(&argc, &argv, NULL);
 293
 294     for (i = 0; test_cases[i].arch; i++) {
 295         gchar *path;
 296         if (strcmp(test_cases[i].arch, arch) != 0) {
 297             continue;
 298         }
 299         path = g_strdup_printf("endianness/%s",
 300                                test_cases[i].machine);
 301         qtest_add_data_func(path, &test_cases[i], test_endianness);
 302
 303         path = g_strdup_printf("endianness/split/%s",
 304                                test_cases[i].machine);
 305         qtest_add_data_func(path, &test_cases[i], test_endianness_split);
 306
 307         path = g_strdup_printf("endianness/combine/%s",
 308                                test_cases[i].machine);
 309         qtest_add_data_func(path, &test_cases[i], test_endianness_combine);
 310     }
 311
 312     ret = g_test_run();
 313
 314     return ret;
 315 }