/[gxemul]/trunk/src/devices/dev_openpic.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /trunk/src/devices/dev_openpic.c

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revision 63 by dpavlin, Sat Oct 13 15:05:59 2007 UTC revision 65 by dpavlin, Sat Oct 13 16:52:22 2007 UTC
# Line 27  Line 27 
27   *  $Id: dev_openpic.c,v 1.14 2007/09/11 21:42:52 debug Exp $   *  $Id: dev_openpic.c,v 1.14 2007/09/11 21:42:52 debug Exp $
28   *     *  
29   *  COMMENT: OpenPIC Interrupt controller (used by sandpoint ppc)   *  COMMENT: OpenPIC Interrupt controller (used by sandpoint ppc)
30   *  based on dev_openpic.c   *  based on dev_gc.c
31   */   */
32    
33  #include <stdio.h>  #include <stdio.h>
# Line 85  void openpic_lo_interrupt_deassert(struc Line 85  void openpic_lo_interrupt_deassert(struc
85    
86  DEVICE_ACCESS(openpic)  DEVICE_ACCESS(openpic)
87  {  {
88          struct openpic_data *d = extra;  //      struct openpic_data *d = extra;
89          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0;
90    
91          if (writeflag == MEM_WRITE)          if (writeflag == MEM_WRITE)
# Line 93  DEVICE_ACCESS(openpic) Line 93  DEVICE_ACCESS(openpic)
93    
94          switch (relative_addr) {          switch (relative_addr) {
95    
96            case 0x00:
97                    if (writeflag == MEM_READ)
98                            // version 1.2
99                            odata = 0x02000000;
100                    break;
101    
102  #if 0  #if 0
103  #define INT_STATE_REG_H  (interrupt_reg + 0x00)  #define INT_STATE_REG_H  (interrupt_reg + 0x00)
104  #define INT_ENABLE_REG_H (interrupt_reg + 0x04)  #define INT_ENABLE_REG_H (interrupt_reg + 0x04)
# Line 104  DEVICE_ACCESS(openpic) Line 110  DEVICE_ACCESS(openpic)
110  #define INT_LEVEL_REG_L  (interrupt_reg + 0x1c)  #define INT_LEVEL_REG_L  (interrupt_reg + 0x1c)
111  #endif  #endif
112    
113    #if 0
114          case 0x10:          case 0x10:
115                  if (writeflag == MEM_READ)                  if (writeflag == MEM_READ)
116                          odata = d->status_hi & d->enable_hi;                          odata = d->status_hi & d->enable_hi;
# Line 190  DEVICE_ACCESS(openpic) Line 197  DEVICE_ACCESS(openpic)
197          case 0x2c:          case 0x2c:
198                  /*  Avoid a debug message.  */                  /*  Avoid a debug message.  */
199                  break;                  break;
200    #endif
201          default:if (writeflag == MEM_WRITE) {          default:if (writeflag == MEM_WRITE) {
202                          fatal("[ openpic: unimplemented write to "                          fatal("[ openpic: unimplemented write to "
203                              "offset 0x%x: data=0x%x ]\n", (int)                              "offset 0x%x: data=0x%x ]\n", (int)
# Line 220  DEVINIT(openpic) Line 227  DEVINIT(openpic)
227          INTERRUPT_CONNECT(devinit->interrupt_path, d->cpu_irq);          INTERRUPT_CONNECT(devinit->interrupt_path, d->cpu_irq);
228    
229          /*          /*
230           *  Register the 64 Grand Central interrupts (32 lo, 32 hi):           *  Register the 126 OpenPIC interrupts
231           */           */
232          for (i=0; i<32; i++) {          for (i=0; i<126; i++) {
233                  struct interrupt template;                  struct interrupt template;
234                  char n[300];                  char n[300];
235                  snprintf(n, sizeof(n), "%s.openpic.lo.%i",                  snprintf(n, sizeof(n), "%s.openpic.%i",
236                      devinit->interrupt_path, i);                      devinit->interrupt_path, i);
237                  memset(&template, 0, sizeof(template));                  memset(&template, 0, sizeof(template));
238                  template.line = 1 << i;                  template.line = 1 << i;
# Line 234  DEVINIT(openpic) Line 241  DEVINIT(openpic)
241                  template.interrupt_assert = openpic_lo_interrupt_assert;                  template.interrupt_assert = openpic_lo_interrupt_assert;
242                  template.interrupt_deassert = openpic_lo_interrupt_deassert;                  template.interrupt_deassert = openpic_lo_interrupt_deassert;
243                  interrupt_handler_register(&template);                  interrupt_handler_register(&template);
   
                 snprintf(n, sizeof(n), "%s.openpic.hi.%i",  
                     devinit->interrupt_path, i);  
                 memset(&template, 0, sizeof(template));  
                 template.line = 1 << i;  
                 template.name = n;  
                 template.extra = d;  
                 template.interrupt_assert = openpic_hi_interrupt_assert;  
                 template.interrupt_deassert = openpic_hi_interrupt_deassert;  
                 interrupt_handler_register(&template);  
244          }          }
245    
246          memory_device_register(devinit->machine->memory, "openpic",          memory_device_register(devinit->machine->memory, "openpic",
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