25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: dev_asc.c,v 1.84 2006/12/31 21:35:26 debug Exp $ |
* $Id: dev_asc.c,v 1.86 2007/06/15 18:44:19 debug Exp $ |
29 |
* |
* |
30 |
* 'asc' SCSI controller for some DECstation/DECsystem models and PICA-61. |
* COMMENT: NCR53C9X "ASC" SCSI controller |
31 |
|
* |
32 |
|
* This is the SCSI controller used in some DECstation/DECsystem models and |
33 |
|
* the PICA-61 machine. |
34 |
* |
* |
35 |
* Supposed to support SCSI-1 and SCSI-2. I've not yet found any docs |
* Supposed to support SCSI-1 and SCSI-2. I've not yet found any docs |
36 |
* on NCR53C9X, so I'll try to implement this device from LSI53CF92A docs |
* on NCR53C9X, so I'll try to implement this device from LSI53CF92A docs |
375 |
(int)len, (int)len2); */ |
(int)len, (int)len2); */ |
376 |
|
|
377 |
d->xferp->data_in_len -= len2; |
d->xferp->data_in_len -= len2; |
378 |
n = malloc(d->xferp->data_in_len); |
CHECK_ALLOCATION(n = |
379 |
if (n == NULL) { |
malloc(d->xferp->data_in_len)); |
|
fprintf(stderr, "out of memory" |
|
|
" in dev_asc\n"); |
|
|
exit(1); |
|
|
} |
|
380 |
memcpy(n, d->xferp->data_in + len2, |
memcpy(n, d->xferp->data_in + len2, |
381 |
d->xferp->data_in_len); |
d->xferp->data_in_len); |
382 |
free(d->xferp->data_in); |
free(d->xferp->data_in); |
506 |
} |
} |
507 |
|
|
508 |
newlen = oldlen + d->n_bytes_in_fifo; |
newlen = oldlen + d->n_bytes_in_fifo; |
509 |
d->xferp->msg_out = realloc(d->xferp->msg_out, newlen); |
CHECK_ALLOCATION(d->xferp->msg_out = |
510 |
|
realloc(d->xferp->msg_out, newlen)); |
511 |
d->xferp->msg_out_len = newlen; |
d->xferp->msg_out_len = newlen; |
|
if (d->xferp->msg_out == NULL) { |
|
|
fprintf(stderr, "out of memory realloc'ing " |
|
|
"msg_out\n"); |
|
|
exit(1); |
|
|
} |
|
512 |
|
|
513 |
i = oldlen; |
i = oldlen; |
514 |
while (d->fifo_in != d->fifo_out) { |
while (d->fifo_in != d->fifo_out) { |
1232 |
{ |
{ |
1233 |
struct asc_data *d; |
struct asc_data *d; |
1234 |
|
|
1235 |
d = malloc(sizeof(struct asc_data)); |
CHECK_ALLOCATION(d = malloc(sizeof(struct asc_data))); |
|
if (d == NULL) { |
|
|
fprintf(stderr, "out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
1236 |
memset(d, 0, sizeof(struct asc_data)); |
memset(d, 0, sizeof(struct asc_data)); |
1237 |
|
|
1238 |
INTERRUPT_CONNECT(irq_path, d->irq); |
INTERRUPT_CONNECT(irq_path, d->irq); |
1241 |
|
|
1242 |
d->reg_ro[NCR_CFG3] = NCRF9XCFG3_CDB; |
d->reg_ro[NCR_CFG3] = NCRF9XCFG3_CDB; |
1243 |
|
|
1244 |
d->dma_address_reg_memory = malloc(machine->arch_pagesize); |
CHECK_ALLOCATION(d->dma_address_reg_memory = |
1245 |
d->dma = malloc(ASC_DMA_SIZE); |
malloc(machine->arch_pagesize)); |
|
if (d->dma == NULL || d->dma_address_reg_memory == NULL) { |
|
|
fprintf(stderr, "out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
1246 |
memset(d->dma_address_reg_memory, 0, machine->arch_pagesize); |
memset(d->dma_address_reg_memory, 0, machine->arch_pagesize); |
1247 |
|
|
1248 |
|
CHECK_ALLOCATION(d->dma = malloc(ASC_DMA_SIZE)); |
1249 |
memset(d->dma, 0, ASC_DMA_SIZE); |
memset(d->dma, 0, ASC_DMA_SIZE); |
1250 |
|
|
1251 |
d->dma_controller = dma_controller; |
d->dma_controller = dma_controller; |
1265 |
DM_DYNTRANS_OK | DM_DYNTRANS_WRITE_OK, d->dma); |
DM_DYNTRANS_OK | DM_DYNTRANS_WRITE_OK, d->dma); |
1266 |
} |
} |
1267 |
|
|
1268 |
machine_add_tickfunction(machine, dev_asc_tick, d, ASC_TICK_SHIFT, 0.0); |
machine_add_tickfunction(machine, dev_asc_tick, d, ASC_TICK_SHIFT); |
1269 |
} |
} |
1270 |
|
|