/[gxemul]/trunk/src/cpu_ppc.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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revision 4 by dpavlin, Mon Oct 8 16:18:00 2007 UTC revision 10 by dpavlin, Mon Oct 8 16:18:27 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *   *
27   *   *
28   *  $Id: cpu_ppc.c,v 1.62 2005/04/18 23:00:56 debug Exp $   *  $Id: cpu_ppc.c,v 1.63 2005/06/26 22:23:42 debug Exp $
29   *   *
30   *  PowerPC/POWER CPU emulation.   *  PowerPC/POWER CPU emulation.
31   */   */
# Line 77  extern int quiet_mode; Line 77  extern int quiet_mode;
77   *  ppc_cpu_new():   *  ppc_cpu_new():
78   *   *
79   *  Create a new PPC cpu object.   *  Create a new PPC cpu object.
80     *
81     *  Returns 1 on success, 0 if there was no matching PPC processor with
82     *  this cpu_type_name.
83   */   */
84  struct cpu *ppc_cpu_new(struct memory *mem, struct machine *machine,  int ppc_cpu_new(struct cpu *cpu, struct memory *mem, struct machine *machine,
85          int cpu_id, char *cpu_type_name)          int cpu_id, char *cpu_type_name)
86  {  {
         struct cpu *cpu;  
87          int any_cache = 0;          int any_cache = 0;
88          int i, found;          int i, found;
89          struct ppc_cpu_type_def cpu_type_defs[] = PPC_CPU_TYPE_DEFS;          struct ppc_cpu_type_def cpu_type_defs[] = PPC_CPU_TYPE_DEFS;
# Line 97  struct cpu *ppc_cpu_new(struct memory *m Line 99  struct cpu *ppc_cpu_new(struct memory *m
99                  i++;                  i++;
100          }          }
101          if (found == -1)          if (found == -1)
102                  return NULL;                  return 0;
   
         cpu = malloc(sizeof(struct cpu));  
         if (cpu == NULL) {  
                 fprintf(stderr, "out of memory\n");  
                 exit(1);  
         }  
103    
         memset(cpu, 0, sizeof(struct cpu));  
104          cpu->memory_rw          = ppc_memory_rw;          cpu->memory_rw          = ppc_memory_rw;
105          cpu->cd.ppc.cpu_type    = cpu_type_defs[found];          cpu->cd.ppc.cpu_type    = cpu_type_defs[found];
106          cpu->name               = cpu->cd.ppc.cpu_type.name;          cpu->name               = cpu->cd.ppc.cpu_type.name;
         cpu->mem                = mem;  
         cpu->machine            = machine;  
         cpu->cpu_id             = cpu_id;  
107          cpu->byte_order         = EMUL_BIG_ENDIAN;          cpu->byte_order         = EMUL_BIG_ENDIAN;
108          cpu->cd.ppc.mode        = MODE_PPC;     /*  TODO  */          cpu->cd.ppc.mode        = MODE_PPC;     /*  TODO  */
109          cpu->cd.ppc.of_emul_addr = 0xff000000;  /*  TODO  */          cpu->cd.ppc.of_emul_addr = 0xff000000;  /*  TODO  */
110    
111          /*  Current operating mode:  */          /*  Current operating mode:  */
112          cpu->cd.ppc.bits        = cpu->cd.ppc.cpu_type.bits;          cpu->cd.ppc.bits        = cpu->cd.ppc.cpu_type.bits;
         cpu->bootstrap_cpu_flag = 0;  
         cpu->running            = 0;  
113    
114          /*  Only show name and caches etc for CPU nr 0 (in SMP machines):  */          /*  Only show name and caches etc for CPU nr 0 (in SMP machines):  */
115          if (cpu_id == 0) {          if (cpu_id == 0) {
# Line 150  struct cpu *ppc_cpu_new(struct memory *m Line 140  struct cpu *ppc_cpu_new(struct memory *m
140          /*  Some default stack pointer value.  TODO: move this?  */          /*  Some default stack pointer value.  TODO: move this?  */
141          cpu->cd.ppc.gpr[1] = machine->physical_ram_in_mb * 1048576 - 4096;          cpu->cd.ppc.gpr[1] = machine->physical_ram_in_mb * 1048576 - 4096;
142    
143          return cpu;          return 1;
144  }  }
145    
146    
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