/[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 66 by dpavlin, Sun Oct 14 12:03:25 2007 UTC revision 67 by dpavlin, Sun Oct 14 13:46:39 2007 UTC
# Line 92  void openpic_lo_interrupt_deassert(struc Line 92  void openpic_lo_interrupt_deassert(struc
92  #define OPENPIC_VEC_IPI         72      /* and up */  #define OPENPIC_VEC_IPI         72      /* and up */
93  #define OPENPIC_VEC_SPURIOUS    127  #define OPENPIC_VEC_SPURIOUS    127
94    
95    #define OPENPIC_NUM_TIMERS      4
96    #define OPENPIC_NUM_IPI         4
97    #define OPENPIC_NUM_PRI         16
98    #define OPENPIC_NUM_VECTORS     256
99    
100  DEVICE_ACCESS(openpic)  DEVICE_ACCESS(openpic)
101  {  {
102  //      struct openpic_data *d = extra;  //      struct openpic_data *d = extra;
103          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0, decoded = 0;
104    
105          if (writeflag == MEM_WRITE)          if (writeflag == MEM_WRITE) {
106                  idata = memory_readmax64(cpu, data, len);                  idata = memory_readmax64(cpu, data, len);
107                    decoded =
108          uint64_t priority,vector, active;                          ( idata & 0x000000ff ) << 24 |
109          priority = ( relative_addr & 0xf000 );                          ( idata & 0x0000ff00 ) << 8  |
110          vector   = ( relative_addr & 0x00ff );                          ( idata & 0x00ff0000 ) >> 8  |
111          active   = ( relative_addr & 0x4000 );                          ( idata & 0xff000000 ) >> 24 ;
112    
113          debug("[ openpic: access at %04x -> priority: %x vector: 0x%02x %d active: %x ]\n",                  uint64_t priority,vector, active;
114                  (int)relative_addr, (int)priority, (int)vector, (int)vector, (int)active );                  priority = ( decoded & OPENPIC_PRIORITY_MASK ) >> OPENPIC_PRIORITY_SHIFT;
115                    vector   = ( decoded & OPENPIC_VECTOR_MASK );
116                    active   = ( decoded & OPENPIC_ACTIVITY );
117    
118                    debug("[ openpic: WRITE %05x | %08x => %08x | priority: %x vector: 0x%02x %d active: %x ]\n",
119                            (int)relative_addr, (int)idata, (int)decoded, (int)priority, (int)vector, (int)vector, (int)active );
120            }
121    
122          switch (relative_addr) {          switch (relative_addr) {
123    
# Line 132  DEVICE_ACCESS(openpic) Line 143  DEVICE_ACCESS(openpic)
143  #define INT_ENABLE_REG_L (interrupt_reg + 0x14)  #define INT_ENABLE_REG_L (interrupt_reg + 0x14)
144  #define INT_CLEAR_REG_L  (interrupt_reg + 0x18)  #define INT_CLEAR_REG_L  (interrupt_reg + 0x18)
145  #define INT_LEVEL_REG_L  (interrupt_reg + 0x1c)  #define INT_LEVEL_REG_L  (interrupt_reg + 0x1c)
 #endif  
146    
 #if 0  
147          case 0x10:          case 0x10:
148                  if (writeflag == MEM_READ)                  if (writeflag == MEM_READ)
149                          odata = d->status_hi & d->enable_hi;                          odata = d->status_hi & d->enable_hi;
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