/[gxemul]/trunk/src/cpus/cpu_arm.c
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revision 31 by dpavlin, Mon Oct 8 16:20:26 2007 UTC revision 32 by dpavlin, Mon Oct 8 16:20:58 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *   *
27   *   *
28   *  $Id: cpu_arm.c,v 1.61 2006/07/16 13:32:26 debug Exp $   *  $Id: cpu_arm.c,v 1.64 2006/09/09 09:04:32 debug Exp $
29   *   *
30   *  ARM CPU emulation.   *  ARM CPU emulation.
31   *   *
# Line 46  Line 46 
46  #include "memory.h"  #include "memory.h"
47  #include "misc.h"  #include "misc.h"
48  #include "of.h"  #include "of.h"
49    #include "settings.h"
50  #include "symbol.h"  #include "symbol.h"
51    
52  #define DYNTRANS_32  #define DYNTRANS_32
# Line 77  void arm_pc_to_pointers(struct cpu *cpu) Line 78  void arm_pc_to_pointers(struct cpu *cpu)
78  int arm_cpu_new(struct cpu *cpu, struct memory *mem,  int arm_cpu_new(struct cpu *cpu, struct memory *mem,
79          struct machine *machine, int cpu_id, char *cpu_type_name)          struct machine *machine, int cpu_id, char *cpu_type_name)
80  {  {
81          int any_cache = 0, i, found;          int i, found;
82          struct arm_cpu_type_def cpu_type_defs[] = ARM_CPU_TYPE_DEFS;          struct arm_cpu_type_def cpu_type_defs[] = ARM_CPU_TYPE_DEFS;
83    
84          /*  Scan the list for this cpu type:  */          /*  Scan the list for this cpu type:  */
# Line 103  int arm_cpu_new(struct cpu *cpu, struct Line 104  int arm_cpu_new(struct cpu *cpu, struct
104          cpu->cd.arm.cpu_type = cpu_type_defs[found];          cpu->cd.arm.cpu_type = cpu_type_defs[found];
105          cpu->name            = cpu->cd.arm.cpu_type.name;          cpu->name            = cpu->cd.arm.cpu_type.name;
106          cpu->is_32bit        = 1;          cpu->is_32bit        = 1;
107            cpu->byte_order      = EMUL_LITTLE_ENDIAN;
108    
109          cpu->cd.arm.cpsr = ARM_FLAG_I | ARM_FLAG_F;          cpu->cd.arm.cpsr = ARM_FLAG_I | ARM_FLAG_F;
110          cpu->cd.arm.control = ARM_CONTROL_PROG32 | ARM_CONTROL_DATA32          cpu->cd.arm.control = ARM_CONTROL_PROG32 | ARM_CONTROL_DATA32
# Line 120  int arm_cpu_new(struct cpu *cpu, struct Line 122  int arm_cpu_new(struct cpu *cpu, struct
122          /*  Only show name and caches etc for CPU nr 0:  */          /*  Only show name and caches etc for CPU nr 0:  */
123          if (cpu_id == 0) {          if (cpu_id == 0) {
124                  debug("%s", cpu->name);                  debug("%s", cpu->name);
125                  if (cpu->cd.arm.cpu_type.icache_shift != 0)                  if (cpu->cd.arm.cpu_type.icache_shift != 0 ||
126                          any_cache = 1;                      cpu->cd.arm.cpu_type.dcache_shift != 0) {
127                  if (cpu->cd.arm.cpu_type.dcache_shift != 0)                          int isize = cpu->cd.arm.cpu_type.icache_shift;
128                          any_cache = 1;                          int dsize = cpu->cd.arm.cpu_type.dcache_shift;
129                  if (any_cache) {                          if (isize != 0)
130                          debug(" (I+D = %i+%i KB",                                  isize = 1 << (isize - 10);
131                              (int)(1 << (cpu->cd.arm.cpu_type.icache_shift-10)),                          if (dsize != 0)
132                              (int)(1 << (cpu->cd.arm.cpu_type.dcache_shift-10)));                                  dsize = 1 << (dsize - 10);
133                          debug(")");                          debug(" (I+D = %i+%i KB)", isize, dsize);
134                  }                  }
135          }          }
136    
# Line 163  int arm_cpu_new(struct cpu *cpu, struct Line 165  int arm_cpu_new(struct cpu *cpu, struct
165    
166          cpu->cd.arm.flags = cpu->cd.arm.cpsr >> 28;          cpu->cd.arm.flags = cpu->cd.arm.cpsr >> 28;
167    
168            CPU_SETTINGS_ADD_REGISTER64("pc", cpu->pc);
169            for (i=0; i<N_ARM_REGS - 1; i++)
170                    CPU_SETTINGS_ADD_REGISTER32(arm_regname[i], cpu->cd.arm.r[i]);
171    
172          return 1;          return 1;
173  }  }
174    
# Line 302  void arm_cpu_list_available_types(void) Line 308  void arm_cpu_list_available_types(void)
308          }          }
309  }  }
310    
   
 /*  
  *  arm_cpu_register_match():  
  */  
 void arm_cpu_register_match(struct machine *m, char *name,  
         int writeflag, uint64_t *valuep, int *match_register)  
 {  
         int i, cpunr = 0;  
   
         /*  CPU number:  */  
   
         /*  TODO  */  
   
         /*  Register names:  */  
         for (i=0; i<N_ARM_REGS; i++) {  
                 if (strcasecmp(name, arm_regname[i]) == 0) {  
                         if (writeflag) {  
                                 m->cpus[cpunr]->cd.arm.r[i] = *valuep;  
                                 if (i == ARM_PC)  
                                         m->cpus[cpunr]->pc = *valuep;  
                         } else {  
                                 *valuep = m->cpus[cpunr]->cd.arm.r[i];  
                                 if (i == ARM_PC)  
                                         *valuep = m->cpus[cpunr]->pc;  
                         }  
                         *match_register = 1;  
                 }  
         }  
 }  
   
311    
312  /*  /*
313   *  arm_cpu_register_dump():   *  arm_cpu_register_dump():
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