Revision 819385c5 hw/ppc.c
| b/hw/ppc.c | ||
|---|---|---|
| 283 | 283 |
/* NVRAM helpers */ |
| 284 | 284 |
void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value) |
| 285 | 285 |
{
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m48t59_set_addr(nvram, addr); |
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m48t59_write(nvram, value); |
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m48t59_write(nvram, addr, value); |
|
| 288 | 287 |
} |
| 289 | 288 |
|
| 290 | 289 |
uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr) |
| 291 | 290 |
{
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m48t59_set_addr(nvram, addr); |
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return m48t59_read(nvram); |
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return m48t59_read(nvram, addr); |
|
| 294 | 292 |
} |
| 295 | 293 |
|
| 296 | 294 |
void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value) |
| 297 | 295 |
{
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m48t59_set_addr(nvram, addr); |
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m48t59_write(nvram, value >> 8); |
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m48t59_set_addr(nvram, addr + 1); |
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m48t59_write(nvram, value & 0xFF); |
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m48t59_write(nvram, addr, value >> 8); |
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m48t59_write(nvram, addr + 1, value & 0xFF); |
|
| 302 | 298 |
} |
| 303 | 299 |
|
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uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr) |
| 305 | 301 |
{
|
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uint16_t tmp; |
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m48t59_set_addr(nvram, addr); |
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tmp = m48t59_read(nvram) << 8; |
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m48t59_set_addr(nvram, addr + 1); |
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tmp |= m48t59_read(nvram); |
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|
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tmp = m48t59_read(nvram, addr) << 8; |
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tmp |= m48t59_read(nvram, addr + 1); |
|
| 313 | 306 |
return tmp; |
| 314 | 307 |
} |
| 315 | 308 |
|
| 316 | 309 |
void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value) |
| 317 | 310 |
{
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m48t59_set_addr(nvram, addr); |
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m48t59_write(nvram, value >> 24); |
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m48t59_set_addr(nvram, addr + 1); |
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m48t59_write(nvram, (value >> 16) & 0xFF); |
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m48t59_set_addr(nvram, addr + 2); |
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m48t59_write(nvram, (value >> 8) & 0xFF); |
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m48t59_set_addr(nvram, addr + 3); |
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m48t59_write(nvram, value & 0xFF); |
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m48t59_write(nvram, addr, value >> 24); |
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m48t59_write(nvram, addr + 1, (value >> 16) & 0xFF); |
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m48t59_write(nvram, addr + 2, (value >> 8) & 0xFF); |
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m48t59_write(nvram, addr + 3, value & 0xFF); |
|
| 326 | 315 |
} |
| 327 | 316 |
|
| 328 | 317 |
uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr) |
| 329 | 318 |
{
|
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uint32_t tmp; |
| 331 | 320 |
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m48t59_set_addr(nvram, addr); |
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tmp = m48t59_read(nvram) << 24; |
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m48t59_set_addr(nvram, addr + 1); |
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tmp |= m48t59_read(nvram) << 16; |
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m48t59_set_addr(nvram, addr + 2); |
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tmp |= m48t59_read(nvram) << 8; |
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m48t59_set_addr(nvram, addr + 3); |
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tmp |= m48t59_read(nvram); |
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|
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tmp = m48t59_read(nvram, addr) << 24; |
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tmp |= m48t59_read(nvram, addr + 1) << 16; |
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tmp |= m48t59_read(nvram, addr + 2) << 8; |
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tmp |= m48t59_read(nvram, addr + 3); |
|
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return tmp; |
| 342 | 326 |
} |
| 343 | 327 |
|
| ... | ... | |
| 347 | 331 |
int i; |
| 348 | 332 |
|
| 349 | 333 |
for (i = 0; i < max && str[i] != '\0'; i++) {
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m48t59_set_addr(nvram, addr + i); |
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m48t59_write(nvram, str[i]); |
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m48t59_write(nvram, addr + i, str[i]); |
|
| 352 | 335 |
} |
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m48t59_set_addr(nvram, addr + max - 1); |
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m48t59_write(nvram, '\0'); |
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m48t59_write(nvram, addr + max - 1, '\0'); |
|
| 355 | 337 |
} |
| 356 | 338 |
|
| 357 | 339 |
int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max) |
Also available in: Unified diff