/[gxemul]/trunk/src/devices/dev_pcic.c
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revision 41 by dpavlin, Mon Oct 8 16:21:17 2007 UTC revision 42 by dpavlin, Mon Oct 8 16:22:32 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: dev_pcic.c,v 1.18 2007/01/21 21:02:57 debug Exp $   *  $Id: dev_pcic.c,v 1.20 2007/06/15 19:57:33 debug Exp $
29   *   *
30   *  Intel 82365SL PC Card Interface Controller (called "pcic" by NetBSD).   *  COMMENT: Intel 82365SL PC Card Interface Controller
31     *
32     *  (Called "pcic" by NetBSD.)
33   *   *
34   *  TODO: Lots of stuff. This is just a quick hack. Don't rely on it.   *  TODO: Lots of stuff. This is just a quick hack. Don't rely on it.
35   */   */
# Line 39  Line 41 
41  #include "cpu.h"  #include "cpu.h"
42  #include "device.h"  #include "device.h"
43  #include "emul.h"  #include "emul.h"
44    #include "interrupt.h"
45  #include "machine.h"  #include "machine.h"
46  #include "memory.h"  #include "memory.h"
47  #include "misc.h"  #include "misc.h"
# Line 52  Line 55 
55  #define DEV_PCIC_LENGTH         2  #define DEV_PCIC_LENGTH         2
56    
57  struct pcic_data {  struct pcic_data {
58          int             irq_nr;          struct interrupt        irq;
59          int             regnr;          int                     regnr;
60  };  };
61    
62    
 /*  
  *  dev_pcic_cis_access():  
  */  
63  DEVICE_ACCESS(pcic_cis)  DEVICE_ACCESS(pcic_cis)
64  {  {
65          /*  struct pcic_data *d = (struct pcic_data *) extra;  */          /*  struct pcic_data *d = (struct pcic_data *) extra;  */
# Line 140  DEVICE_ACCESS(pcic_cis) Line 140  DEVICE_ACCESS(pcic_cis)
140  }  }
141    
142    
 /*  
  *  dev_pcic_access():  
  */  
143  DEVICE_ACCESS(pcic)  DEVICE_ACCESS(pcic)
144  {  {
145          struct pcic_data *d = (struct pcic_data *) extra;          struct pcic_data *d = extra;
146          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0;
147          int controller_nr, socket_nr;          int controller_nr, socket_nr;
148    
# Line 156  DEVICE_ACCESS(pcic) Line 153  DEVICE_ACCESS(pcic)
153          socket_nr = d->regnr & 0x40? 1 : 0;          socket_nr = d->regnr & 0x40? 1 : 0;
154    
155          switch (relative_addr) {          switch (relative_addr) {
156    
157          case 0: /*  Register select:  */          case 0: /*  Register select:  */
158                  if (writeflag == MEM_WRITE)                  if (writeflag == MEM_WRITE)
159                          d->regnr = idata;                          d->regnr = idata;
160                  else                  else
161                          odata = d->regnr;                          odata = d->regnr;
162                  break;                  break;
163    
164          case 1: /*  Register access:  */          case 1: /*  Register access:  */
165                  switch (d->regnr & 0x3f) {                  switch (d->regnr & 0x3f) {
166    
167                  case PCIC_IDENT:                  case PCIC_IDENT:
168                          /*  This causes sockets A and B to be present on                          /*  This causes sockets A and B to be present on
169                              controller 0, and only socket A on controller 1.  */                              controller 0, and only socket A on controller 1.  */
# Line 178  DEVICE_ACCESS(pcic) Line 178  DEVICE_ACCESS(pcic)
178                          odata = PCIC_INTR_IRQ3;                          odata = PCIC_INTR_IRQ3;
179                          break;                          break;
180  #endif  #endif
181    
182                  case PCIC_CSC:                  case PCIC_CSC:
183                          odata = PCIC_CSC_GPI;                          odata = PCIC_CSC_GPI;
184                          break;                          break;
185    
186                  case PCIC_IF_STATUS:                  case PCIC_IF_STATUS:
187                          odata = PCIC_IF_STATUS_READY                          odata = PCIC_IF_STATUS_READY
188                              | PCIC_IF_STATUS_POWERACTIVE;                              | PCIC_IF_STATUS_POWERACTIVE;
189                          if (controller_nr == 0 && socket_nr == 0)                          if (controller_nr == 0 && socket_nr == 0)
190                                  odata |= PCIC_IF_STATUS_CARDDETECT_PRESENT;                                  odata |= PCIC_IF_STATUS_CARDDETECT_PRESENT;
191                          break;                          break;
192    
193                  default:                  default:
194                          if (writeflag == MEM_WRITE) {                          if (writeflag == MEM_WRITE) {
195                                  debug("[ pcic: unimplemented write to "                                  debug("[ pcic: unimplemented write to "
# Line 213  DEVICE_ACCESS(pcic) Line 216  DEVICE_ACCESS(pcic)
216  DEVINIT(pcic)  DEVINIT(pcic)
217  {  {
218          char tmpstr[200];          char tmpstr[200];
219          struct pcic_data *d = malloc(sizeof(struct pcic_data));          struct pcic_data *d;
220    
221          if (d == NULL) {          CHECK_ALLOCATION(d = malloc(sizeof(struct pcic_data)));
                 fprintf(stderr, "out of memory\n");  
                 exit(1);  
         }  
222          memset(d, 0, sizeof(struct pcic_data));          memset(d, 0, sizeof(struct pcic_data));
223          d->irq_nr = devinit->irq_nr;  
224            INTERRUPT_CONNECT(devinit->interrupt_path, d->irq);
225    
226          memory_device_register(devinit->machine->memory, devinit->name,          memory_device_register(devinit->machine->memory, devinit->name,
227              devinit->addr, DEV_PCIC_LENGTH,              devinit->addr, DEV_PCIC_LENGTH,
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