/[gxemul]/trunk/src/devices/dev_gt.c
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Diff of /trunk/src/devices/dev_gt.c

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revision 40 by dpavlin, Mon Oct 8 16:22:11 2007 UTC revision 44 by dpavlin, Mon Oct 8 16:22:56 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: dev_gt.c,v 1.50 2007/04/29 13:44:14 debug Exp $   *  $Id: dev_gt.c,v 1.53 2007/06/16 05:09:55 debug Exp $
29   *     *  
30   *  Galileo Technology GT-64xxx PCI controller.   *  COMMENT: Galileo Technology GT-64xxx PCI controller
31   *   *
32   *      GT-64011        Used in Cobalt machines.   *      GT-64011        Used in Cobalt machines.
33   *      GT-64120        Used in evbmips machines (Malta).   *      GT-64120        Used in evbmips machines (Malta).
# Line 81  struct gt_data { Line 81  struct gt_data {
81   */   */
82  static void timer_tick(struct timer *timer, void *extra)  static void timer_tick(struct timer *timer, void *extra)
83  {  {
84          struct gt_data *d = (struct gt_data *) extra;          struct gt_data *d = extra;
85          d->pending_timer0_interrupts ++;          d->pending_timer0_interrupts ++;
86  }  }
87    
88    
89  DEVICE_TICK(gt)  DEVICE_TICK(gt)
90  {  {
91          struct gt_data *d = (struct gt_data *) extra;          struct gt_data *d = extra;
   
92          if (d->pending_timer0_interrupts > 0)          if (d->pending_timer0_interrupts > 0)
93                  INTERRUPT_ASSERT(d->timer0_irq);                  INTERRUPT_ASSERT(d->timer0_irq);
94  }  }
# Line 97  DEVICE_TICK(gt) Line 96  DEVICE_TICK(gt)
96    
97  DEVICE_ACCESS(gt)  DEVICE_ACCESS(gt)
98  {  {
99            struct gt_data *d = extra;
100          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0;
101          int bus, dev, func, reg;          int bus, dev, func, reg;
102          size_t i;          size_t i;
         struct gt_data *d = extra;  
103    
104          if (writeflag == MEM_WRITE)          if (writeflag == MEM_WRITE)
105                  idata = memory_readmax64(cpu, data, len);                  idata = memory_readmax64(cpu, data, len);
# Line 156  DEVICE_ACCESS(gt) Line 155  DEVICE_ACCESS(gt)
155    
156          case GT_PCI0_INTR_ACK:          case GT_PCI0_INTR_ACK:
157                  odata = cpu->machine->isa_pic_data.last_int;                  odata = cpu->machine->isa_pic_data.last_int;
158                    /*  TODO: Actually ack the interrupt?  */
 fatal("TODO: GT_PCI0_INTR_ACK\n");  
   
 //              cpu_interrupt_ack(cpu, d->pci_irqbase + odata);  
159                  break;                  break;
160    
161          case GT_TIMER_CTRL:          case GT_TIMER_CTRL:
# Line 229  struct pci_data *dev_gt_init(struct mach Line 225  struct pci_data *dev_gt_init(struct mach
225          uint64_t pci_io_offset = 0, pci_mem_offset = 0;          uint64_t pci_io_offset = 0, pci_mem_offset = 0;
226          char *gt_name = "NO";          char *gt_name = "NO";
227    
228          d = malloc(sizeof(struct gt_data));          CHECK_ALLOCATION(d = malloc(sizeof(struct gt_data)));
         if (d == NULL) {  
                 fprintf(stderr, "out of memory\n");  
                 exit(1);  
         }  
229          memset(d, 0, sizeof(struct gt_data));          memset(d, 0, sizeof(struct gt_data));
230    
231          INTERRUPT_CONNECT(timer_irq_path, d->timer0_irq);          INTERRUPT_CONNECT(timer_irq_path, d->timer0_irq);
# Line 304  struct pci_data *dev_gt_init(struct mach Line 296  struct pci_data *dev_gt_init(struct mach
296    
297          memory_device_register(mem, "gt", baseaddr, DEV_GT_LENGTH,          memory_device_register(mem, "gt", baseaddr, DEV_GT_LENGTH,
298              dev_gt_access, d, DM_DEFAULT, NULL);              dev_gt_access, d, DM_DEFAULT, NULL);
299          machine_add_tickfunction(machine, dev_gt_tick, d, TICK_SHIFT, 0.0);          machine_add_tickfunction(machine, dev_gt_tick, d, TICK_SHIFT);
300    
301          return d->pci_data;          return d->pci_data;
302  }  }
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