/[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!
ViewVC logotype

Diff of /trunk/src/devices/dev_openpic.c

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 65 by dpavlin, Sat Oct 13 16:52:22 2007 UTC revision 66 by dpavlin, Sun Oct 14 12:03:25 2007 UTC
# Line 82  void openpic_lo_interrupt_deassert(struc Line 82  void openpic_lo_interrupt_deassert(struc
82                  INTERRUPT_DEASSERT(d->cpu_irq);                  INTERRUPT_DEASSERT(d->cpu_irq);
83  }  }
84    
85    #define OPENPIC_MASK                            0x80000000
86    #define OPENPIC_ACTIVITY                        0x40000000      /* Read Only */
87    #define OPENPIC_PRIORITY_MASK                   0x000f0000
88    #define OPENPIC_PRIORITY_SHIFT                  16
89    #define OPENPIC_VECTOR_MASK                     0x000000ff
90    
91    #define OPENPIC_VEC_TIMER       64      /* and up */
92    #define OPENPIC_VEC_IPI         72      /* and up */
93    #define OPENPIC_VEC_SPURIOUS    127
94    
95  DEVICE_ACCESS(openpic)  DEVICE_ACCESS(openpic)
96  {  {
# Line 91  DEVICE_ACCESS(openpic) Line 100  DEVICE_ACCESS(openpic)
100          if (writeflag == MEM_WRITE)          if (writeflag == MEM_WRITE)
101                  idata = memory_readmax64(cpu, data, len);                  idata = memory_readmax64(cpu, data, len);
102    
103            uint64_t priority,vector, active;
104            priority = ( relative_addr & 0xf000 );
105            vector   = ( relative_addr & 0x00ff );
106            active   = ( relative_addr & 0x4000 );
107    
108            debug("[ openpic: access at %04x -> priority: %x vector: 0x%02x %d active: %x ]\n",
109                    (int)relative_addr, (int)priority, (int)vector, (int)vector, (int)active );
110    
111          switch (relative_addr) {          switch (relative_addr) {
112    
113          case 0x00:          case 0x00:
114                  if (writeflag == MEM_READ)                  if (writeflag == MEM_READ) {
115                          // version 1.2                          // version 1.2
116                          odata = 0x02000000;                          odata = 0x02000000;
117                            fatal("[ openpic: read from "
118                                "offset 0x%x (OpenPIC version) = %x]\n", (int)
119                                relative_addr, (int)odata);
120                    }
121                    fatal("[ openpic: unimplemented write to "
122                        "offset 0x%x: data=0x%x (OpenPIC version) ]\n", (int)
123                        relative_addr, (int)idata);
124                  break;                  break;
125    
126  #if 0  #if 0
Legend:
Removed from v.65  
changed lines
  Added in v.66
  ViewVC Help
Powered by ViewVC 1.1.26