| 1 | /* |
| 2 | * qtest function wrappers |
| 3 | * |
| 4 | * Copyright Red Hat Inc., 2019 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Alexander Bulekov <alxndr@bu.edu> |
| 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 | #include "hw/core/cpu.h" |
| 16 | #include "system/ioport.h" |
| 17 | |
| 18 | #include "fuzz.h" |
| 19 | |
| 20 | static bool serialize = true; |
| 21 | |
| 22 | #define WRAP(RET_TYPE, NAME_AND_ARGS)\ |
| 23 | RET_TYPE __wrap_##NAME_AND_ARGS;\ |
| 24 | RET_TYPE __real_##NAME_AND_ARGS; |
| 25 | |
| 26 | WRAP(uint8_t , qtest_inb(QTestState *s, uint16_t addr)) |
| 27 | WRAP(uint16_t , qtest_inw(QTestState *s, uint16_t addr)) |
| 28 | WRAP(uint32_t , qtest_inl(QTestState *s, uint16_t addr)) |
| 29 | WRAP(void , qtest_outb(QTestState *s, uint16_t addr, uint8_t value)) |
| 30 | WRAP(void , qtest_outw(QTestState *s, uint16_t addr, uint16_t value)) |
| 31 | WRAP(void , qtest_outl(QTestState *s, uint16_t addr, uint32_t value)) |
| 32 | WRAP(uint8_t , qtest_readb(QTestState *s, uint64_t addr)) |
| 33 | WRAP(uint16_t , qtest_readw(QTestState *s, uint64_t addr)) |
| 34 | WRAP(uint32_t , qtest_readl(QTestState *s, uint64_t addr)) |
| 35 | WRAP(uint64_t , qtest_readq(QTestState *s, uint64_t addr)) |
| 36 | WRAP(void , qtest_writeb(QTestState *s, uint64_t addr, uint8_t value)) |
| 37 | WRAP(void , qtest_writew(QTestState *s, uint64_t addr, uint16_t value)) |
| 38 | WRAP(void , qtest_writel(QTestState *s, uint64_t addr, uint32_t value)) |
| 39 | WRAP(void , qtest_writeq(QTestState *s, uint64_t addr, uint64_t value)) |
| 40 | WRAP(void , qtest_memread(QTestState *s, uint64_t addr, |
| 41 | void *data, size_t size)) |
| 42 | WRAP(void , qtest_bufread(QTestState *s, uint64_t addr, void *data, |
| 43 | size_t size)) |
| 44 | WRAP(void , qtest_memwrite(QTestState *s, uint64_t addr, const void *data, |
| 45 | size_t size)) |
| 46 | WRAP(void, qtest_bufwrite(QTestState *s, uint64_t addr, |
| 47 | const void *data, size_t size)) |
| 48 | WRAP(void, qtest_memset(QTestState *s, uint64_t addr, |
| 49 | uint8_t patt, size_t size)) |
| 50 | |
| 51 | |
| 52 | uint8_t __wrap_qtest_inb(QTestState *s, uint16_t addr) |
| 53 | { |
| 54 | if (!serialize) { |
| 55 | return cpu_inb(addr); |
| 56 | } else { |
| 57 | return __real_qtest_inb(s, addr); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | uint16_t __wrap_qtest_inw(QTestState *s, uint16_t addr) |
| 62 | { |
| 63 | if (!serialize) { |
| 64 | return cpu_inw(addr); |
| 65 | } else { |
| 66 | return __real_qtest_inw(s, addr); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | uint32_t __wrap_qtest_inl(QTestState *s, uint16_t addr) |
| 71 | { |
| 72 | if (!serialize) { |
| 73 | return cpu_inl(addr); |
| 74 | } else { |
| 75 | return __real_qtest_inl(s, addr); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | void __wrap_qtest_outb(QTestState *s, uint16_t addr, uint8_t value) |
| 80 | { |
| 81 | if (!serialize) { |
| 82 | cpu_outb(addr, value); |
| 83 | } else { |
| 84 | __real_qtest_outb(s, addr, value); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | void __wrap_qtest_outw(QTestState *s, uint16_t addr, uint16_t value) |
| 89 | { |
| 90 | if (!serialize) { |
| 91 | cpu_outw(addr, value); |
| 92 | } else { |
| 93 | __real_qtest_outw(s, addr, value); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | void __wrap_qtest_outl(QTestState *s, uint16_t addr, uint32_t value) |
| 98 | { |
| 99 | if (!serialize) { |
| 100 | cpu_outl(addr, value); |
| 101 | } else { |
| 102 | __real_qtest_outl(s, addr, value); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | uint8_t __wrap_qtest_readb(QTestState *s, uint64_t addr) |
| 107 | { |
| 108 | uint8_t value; |
| 109 | if (!serialize) { |
| 110 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 111 | &value, 1); |
| 112 | return value; |
| 113 | } else { |
| 114 | return __real_qtest_readb(s, addr); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | uint16_t __wrap_qtest_readw(QTestState *s, uint64_t addr) |
| 119 | { |
| 120 | uint16_t value; |
| 121 | if (!serialize) { |
| 122 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 123 | &value, 2); |
| 124 | return value; |
| 125 | } else { |
| 126 | return __real_qtest_readw(s, addr); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | uint32_t __wrap_qtest_readl(QTestState *s, uint64_t addr) |
| 131 | { |
| 132 | uint32_t value; |
| 133 | if (!serialize) { |
| 134 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 135 | &value, 4); |
| 136 | return value; |
| 137 | } else { |
| 138 | return __real_qtest_readl(s, addr); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | uint64_t __wrap_qtest_readq(QTestState *s, uint64_t addr) |
| 143 | { |
| 144 | uint64_t value; |
| 145 | if (!serialize) { |
| 146 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 147 | &value, 8); |
| 148 | return value; |
| 149 | } else { |
| 150 | return __real_qtest_readq(s, addr); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | void __wrap_qtest_writeb(QTestState *s, uint64_t addr, uint8_t value) |
| 155 | { |
| 156 | if (!serialize) { |
| 157 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 158 | &value, 1); |
| 159 | } else { |
| 160 | __real_qtest_writeb(s, addr, value); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | void __wrap_qtest_writew(QTestState *s, uint64_t addr, uint16_t value) |
| 165 | { |
| 166 | if (!serialize) { |
| 167 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 168 | &value, 2); |
| 169 | } else { |
| 170 | __real_qtest_writew(s, addr, value); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | void __wrap_qtest_writel(QTestState *s, uint64_t addr, uint32_t value) |
| 175 | { |
| 176 | if (!serialize) { |
| 177 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 178 | &value, 4); |
| 179 | } else { |
| 180 | __real_qtest_writel(s, addr, value); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | void __wrap_qtest_writeq(QTestState *s, uint64_t addr, uint64_t value) |
| 185 | { |
| 186 | if (!serialize) { |
| 187 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 188 | &value, 8); |
| 189 | } else { |
| 190 | __real_qtest_writeq(s, addr, value); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | void __wrap_qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size) |
| 195 | { |
| 196 | if (!serialize) { |
| 197 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, data, |
| 198 | size); |
| 199 | } else { |
| 200 | __real_qtest_memread(s, addr, data, size); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | void __wrap_qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size) |
| 205 | { |
| 206 | if (!serialize) { |
| 207 | address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, data, |
| 208 | size); |
| 209 | } else { |
| 210 | __real_qtest_bufread(s, addr, data, size); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | void __wrap_qtest_memwrite(QTestState *s, uint64_t addr, const void *data, |
| 215 | size_t size) |
| 216 | { |
| 217 | if (!serialize) { |
| 218 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 219 | data, size); |
| 220 | } else { |
| 221 | __real_qtest_memwrite(s, addr, data, size); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | void __wrap_qtest_bufwrite(QTestState *s, uint64_t addr, |
| 226 | const void *data, size_t size) |
| 227 | { |
| 228 | if (!serialize) { |
| 229 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 230 | data, size); |
| 231 | } else { |
| 232 | __real_qtest_bufwrite(s, addr, data, size); |
| 233 | } |
| 234 | } |
| 235 | void __wrap_qtest_memset(QTestState *s, uint64_t addr, |
| 236 | uint8_t patt, size_t size) |
| 237 | { |
| 238 | void *data; |
| 239 | if (!serialize) { |
| 240 | data = malloc(size); |
| 241 | memset(data, patt, size); |
| 242 | address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, |
| 243 | data, size); |
| 244 | } else { |
| 245 | __real_qtest_memset(s, addr, patt, size); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | void fuzz_qtest_set_serialize(bool option) |
| 250 | { |
| 251 | serialize = option; |
| 252 | } |