/[gxemul]/trunk/src/devices/dev_ram.c
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revision 19 by dpavlin, Mon Oct 8 16:19:11 2007 UTC revision 20 by dpavlin, Mon Oct 8 16:19:23 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: dev_ram.c,v 1.19 2005/10/25 15:51:04 debug Exp $   *  $Id: dev_ram.c,v 1.20 2005/11/13 00:14:09 debug Exp $
29   *     *  
30   *  A generic RAM (memory) device. Can also be used to mirror/alias another   *  A generic RAM (memory) device. Can also be used to mirror/alias another
31   *  part of RAM.   *  part of RAM.
# Line 113  void dev_ram_init(struct machine *machin Line 113  void dev_ram_init(struct machine *machin
113          int mode, uint64_t otheraddress)          int mode, uint64_t otheraddress)
114  {  {
115          struct ram_data *d;          struct ram_data *d;
116          int flags = MEM_DEFAULT, points_to_ram = 1;          int flags = DM_DEFAULT, points_to_ram = 1;
117    
118          d = malloc(sizeof(struct ram_data));          d = malloc(sizeof(struct ram_data));
119          if (d == NULL) {          if (d == NULL) {
# Line 137  void dev_ram_init(struct machine *machin Line 137  void dev_ram_init(struct machine *machin
137                  /*                  /*
138                   *  Calculate the amount that the mirror memory is offset from                   *  Calculate the amount that the mirror memory is offset from
139                   *  the real (physical) memory. This is used in src/memory_rw.c                   *  the real (physical) memory. This is used in src/memory_rw.c
140                   *  with dyntrans accesses if MEM_EMULATED_RAM is set.                   *  with dyntrans accesses if DM_EMULATED_RAM is set.
141                   */                   */
142                  d->offset = baseaddr - otheraddress;                  d->offset = baseaddr - otheraddress;
143    
# Line 146  void dev_ram_init(struct machine *machin Line 146  void dev_ram_init(struct machine *machin
146                      (baseaddr & (machine->arch_pagesize-1)) == 0 &&                      (baseaddr & (machine->arch_pagesize-1)) == 0 &&
147                      (otheraddress & (machine->arch_pagesize - 1)) == 0 &&                      (otheraddress & (machine->arch_pagesize - 1)) == 0 &&
148                      (length & (machine->arch_pagesize - 1)) == 0)                      (length & (machine->arch_pagesize - 1)) == 0)
149                          flags |= MEM_DYNTRANS_OK | MEM_DYNTRANS_WRITE_OK                          flags |= DM_DYNTRANS_OK | DM_DYNTRANS_WRITE_OK
150                              | MEM_EMULATED_RAM;                              | DM_EMULATED_RAM;
151    
152                  memory_device_register(machine->memory, "ram [mirror]",                  memory_device_register(machine->memory, "ram [mirror]",
153                      baseaddr, length, dev_ram_access, d, flags                      baseaddr, length, dev_ram_access, d, flags
154                      | MEM_READING_HAS_NO_SIDE_EFFECTS, (void *) &d->offset);                      | DM_READS_HAVE_NO_SIDE_EFFECTS, (void *) &d->offset);
155                  break;                  break;
156    
157          case DEV_RAM_RAM:          case DEV_RAM_RAM:
# Line 175  void dev_ram_init(struct machine *machin Line 175  void dev_ram_init(struct machine *machin
175                  /*  Aligned memory? Then it works with dyntrans.  */                  /*  Aligned memory? Then it works with dyntrans.  */
176                  if ((baseaddr & (machine->arch_pagesize - 1)) == 0 &&                  if ((baseaddr & (machine->arch_pagesize - 1)) == 0 &&
177                      (length & (machine->arch_pagesize - 1)) == 0)                      (length & (machine->arch_pagesize - 1)) == 0)
178                          flags |= MEM_DYNTRANS_OK | MEM_DYNTRANS_WRITE_OK;                          flags |= DM_DYNTRANS_OK | DM_DYNTRANS_WRITE_OK;
179    
180                  memory_device_register(machine->memory, "ram", baseaddr,                  memory_device_register(machine->memory, "ram", baseaddr,
181                      d->length, dev_ram_access, d, flags                      d->length, dev_ram_access, d, flags
182                      | MEM_READING_HAS_NO_SIDE_EFFECTS, d->data);                      | DM_READS_HAVE_NO_SIDE_EFFECTS, d->data);
183                  break;                  break;
184    
185          default:          default:
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