Revision 3cbee15b hw/ppc.c
| b/hw/ppc.c | ||
|---|---|---|
| 22 | 22 |
* THE SOFTWARE. |
| 23 | 23 |
*/ |
| 24 | 24 |
#include "vl.h" |
| 25 |
#include "m48t59.h" |
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| 26 | 25 |
|
| 27 | 26 |
//#define PPC_DEBUG_IRQ |
| 28 | 27 |
//#define PPC_DEBUG_TB |
| ... | ... | |
| 1240 | 1239 |
|
| 1241 | 1240 |
/*****************************************************************************/ |
| 1242 | 1241 |
/* NVRAM helpers */ |
| 1243 |
void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value)
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| 1242 |
static inline uint32_t nvram_read (nvram_t *nvram, uint32_t addr)
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| 1244 | 1243 |
{
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| 1245 |
m48t59_write(nvram, addr, value);
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return (*nvram->read_fn)(nvram->opaque, addr);;
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} |
| 1247 | 1246 |
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uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr)
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static inline void nvram_write (nvram_t *nvram, uint32_t addr, uint32_t val)
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| 1249 | 1248 |
{
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| 1250 |
return m48t59_read(nvram, addr);
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(*nvram->write_fn)(nvram->opaque, addr, val);
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} |
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void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
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void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value)
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{
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m48t59_write(nvram, addr, value >> 8); |
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m48t59_write(nvram, addr + 1, value & 0xFF); |
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nvram_write(nvram, addr, value); |
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} |
| 1258 | 1256 |
|
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uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr) |
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uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr) |
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{
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return nvram_read(nvram, addr); |
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} |
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void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value) |
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{
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nvram_write(nvram, addr, value >> 8); |
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nvram_write(nvram, addr + 1, value & 0xFF); |
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} |
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|
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uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr) |
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| 1260 | 1269 |
{
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| 1261 | 1270 |
uint16_t tmp; |
| 1262 | 1271 |
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tmp = m48t59_read(nvram, addr) << 8; |
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tmp |= m48t59_read(nvram, addr + 1); |
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tmp = nvram_read(nvram, addr) << 8; |
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tmp |= nvram_read(nvram, addr + 1); |
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return tmp; |
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} |
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void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
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void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value)
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{
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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);
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nvram_write(nvram, addr, value >> 24);
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nvram_write(nvram, addr + 1, (value >> 16) & 0xFF);
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nvram_write(nvram, addr + 2, (value >> 8) & 0xFF);
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nvram_write(nvram, addr + 3, value & 0xFF);
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} |
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uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr)
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uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr)
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{
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uint32_t tmp; |
| 1279 | 1289 |
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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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tmp = nvram_read(nvram, addr) << 24;
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tmp |= nvram_read(nvram, addr + 1) << 16;
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tmp |= nvram_read(nvram, addr + 2) << 8;
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tmp |= nvram_read(nvram, addr + 3);
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| 1284 | 1294 |
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return tmp; |
| 1286 | 1296 |
} |
| 1287 | 1297 |
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void NVRAM_set_string (m48t59_t *nvram, uint32_t addr,
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void NVRAM_set_string (nvram_t *nvram, uint32_t addr,
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const unsigned char *str, uint32_t max) |
| 1290 | 1300 |
{
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| 1291 | 1301 |
int i; |
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| 1293 | 1303 |
for (i = 0; i < max && str[i] != '\0'; i++) {
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m48t59_write(nvram, addr + i, str[i]);
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nvram_write(nvram, addr + i, str[i]);
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| 1295 | 1305 |
} |
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m48t59_write(nvram, addr + max - 1, '\0'); |
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nvram_write(nvram, addr + i, str[i]); |
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nvram_write(nvram, addr + max - 1, '\0'); |
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| 1297 | 1308 |
} |
| 1298 | 1309 |
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int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max)
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int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max)
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| 1300 | 1311 |
{
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| 1301 | 1312 |
int i; |
| 1302 | 1313 |
|
| ... | ... | |
| 1325 | 1336 |
return tmp; |
| 1326 | 1337 |
} |
| 1327 | 1338 |
|
| 1328 |
uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
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| 1339 |
uint16_t NVRAM_compute_crc (nvram_t *nvram, uint32_t start, uint32_t count)
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| 1329 | 1340 |
{
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| 1330 | 1341 |
uint32_t i; |
| 1331 | 1342 |
uint16_t crc = 0xFFFF; |
| ... | ... | |
| 1345 | 1356 |
|
| 1346 | 1357 |
#define CMDLINE_ADDR 0x017ff000 |
| 1347 | 1358 |
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| 1348 |
int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
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| 1359 |
int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
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| 1349 | 1360 |
const unsigned char *arch, |
| 1350 | 1361 |
uint32_t RAM_size, int boot_device, |
| 1351 | 1362 |
uint32_t kernel_image, uint32_t kernel_size, |
| ... | ... | |
| 1382 | 1393 |
NVRAM_set_word(nvram, 0x56, height); |
| 1383 | 1394 |
NVRAM_set_word(nvram, 0x58, depth); |
| 1384 | 1395 |
crc = NVRAM_compute_crc(nvram, 0x00, 0xF8); |
| 1385 |
NVRAM_set_word(nvram, 0xFC, crc); |
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| 1396 |
NVRAM_set_word(nvram, 0xFC, crc);
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| 1386 | 1397 |
|
| 1387 | 1398 |
return 0; |
| 1388 | 1399 |
} |
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