/[gxemul]/trunk/src/include/cpu.h
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/include/cpu.h

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

revision 30 by dpavlin, Mon Oct 8 16:20:40 2007 UTC revision 38 by dpavlin, Mon Oct 8 16:21:53 2007 UTC
# Line 2  Line 2 
2  #define CPU_H  #define CPU_H
3    
4  /*  /*
5   *  Copyright (C) 2005-2006  Anders Gavare.  All rights reserved.   *  Copyright (C) 2005-2007  Anders Gavare.  All rights reserved.
6   *   *
7   *  Redistribution and use in source and binary forms, with or without   *  Redistribution and use in source and binary forms, with or without
8   *  modification, are permitted provided that the following conditions are met:   *  modification, are permitted provided that the following conditions are met:
# Line 28  Line 28 
28   *  SUCH DAMAGE.   *  SUCH DAMAGE.
29   *   *
30   *   *
31   *  $Id: cpu.h,v 1.90 2006/08/12 11:43:13 debug Exp $   *  $Id: cpu.h,v 1.114 2007/04/10 17:26:20 debug Exp $
32   *   *
33   *  CPU-related definitions.   *  CPU-related definitions.
34   */   */
# Line 194  Line 194 
194  #include "cpu_alpha.h"  #include "cpu_alpha.h"
195  #include "cpu_arm.h"  #include "cpu_arm.h"
196  #include "cpu_avr.h"  #include "cpu_avr.h"
 #include "cpu_hppa.h"  
 #include "cpu_i960.h"  
 #include "cpu_ia64.h"  
197  #include "cpu_m68k.h"  #include "cpu_m68k.h"
198  #include "cpu_mips.h"  #include "cpu_mips.h"
199  #include "cpu_ppc.h"  #include "cpu_ppc.h"
200  #include "cpu_sh.h"  #include "cpu_sh.h"
201  #include "cpu_sparc.h"  #include "cpu_sparc.h"
 #include "cpu_transputer.h"  
 #include "cpu_x86.h"  
202    
203  struct cpu;  struct cpu;
204  struct emul;  struct emul;
205  struct machine;  struct machine;
206  struct memory;  struct memory;
207    struct settings;
208    
209    
210  /*  /*
# Line 239  struct cpu_family { Line 235  struct cpu_family {
235          /*  List available CPU types for this architecture.  */          /*  List available CPU types for this architecture.  */
236          void                    (*list_available_types)(void);          void                    (*list_available_types)(void);
237    
         /*  Read or write a CPU register, given a name.  */  
         void                    (*register_match)(struct machine *m,  
                                     char *name, int writeflag,  
                                     uint64_t *valuep, int *match_register);  
   
238          /*  Disassemble an instruction.  */          /*  Disassemble an instruction.  */
239          int                     (*disassemble_instr)(struct cpu *cpu,          int                     (*disassemble_instr)(struct cpu *cpu,
240                                      unsigned char *instr, int running,                                      unsigned char *instr, int running,
# Line 260  struct cpu_family { Line 251  struct cpu_family {
251          void                    (*tlbdump)(struct machine *m, int x,          void                    (*tlbdump)(struct machine *m, int x,
252                                      int rawflag);                                      int rawflag);
253    
         /*  Assert an interrupt.  */  
         int                     (*interrupt)(struct cpu *cpu, uint64_t irq_nr);  
   
         /*  De-assert an interrupt.  */  
         int                     (*interrupt_ack)(struct cpu *cpu,  
                                     uint64_t irq_nr);  
   
254          /*  Print architecture-specific function call arguments.          /*  Print architecture-specific function call arguments.
255              (This is called for each function call, if running with -t.)  */              (This is called for each function call, if running with -t.)  */
256          void                    (*functioncall_trace)(struct cpu *,          void                    (*functioncall_trace)(struct cpu *,
257                                      uint64_t f, int n_args);                                      uint64_t f, int n_args);
   
         /*  GDB command handler.  */  
         char                    *(*gdb_stub)(struct cpu *, char *cmd);  
258  };  };
259    
260    
# Line 293  struct cpu_family { Line 274  struct cpu_family {
274  #define N_SAFE_DYNTRANS_LIMIT_SHIFT     14  #define N_SAFE_DYNTRANS_LIMIT_SHIFT     14
275  #define N_SAFE_DYNTRANS_LIMIT   ((1 << (N_SAFE_DYNTRANS_LIMIT_SHIFT - 1)) - 1)  #define N_SAFE_DYNTRANS_LIMIT   ((1 << (N_SAFE_DYNTRANS_LIMIT_SHIFT - 1)) - 1)
276    
277  #define DYNTRANS_CACHE_SIZE             (24*1048576)  #define DEFAULT_DYNTRANS_CACHE_SIZE     (40*1048576)
278  #define DYNTRANS_CACHE_MARGIN           300000  #define DYNTRANS_CACHE_MARGIN           200000
279    
280  #define N_BASE_TABLE_ENTRIES            32768  #define N_BASE_TABLE_ENTRIES            65536
281  #define PAGENR_TO_TABLE_INDEX(a)        ((a) & (N_BASE_TABLE_ENTRIES-1))  #define PAGENR_TO_TABLE_INDEX(a)        ((a) & (N_BASE_TABLE_ENTRIES-1))
282    
283    
284    #ifdef NATIVE_CODE_GENERATION
285    /*
286     *  Intermediate Native Representation (INR).
287     *  Used for native code generation.
288     */
289    #include "inr.h"
290    #endif
291    
292    
293  /*  /*
294   *  The generic CPU struct:   *  The generic CPU struct:
295   */   */
# Line 308  struct cpu { Line 298  struct cpu {
298          /*  Pointer back to the machine this CPU is in:  */          /*  Pointer back to the machine this CPU is in:  */
299          struct machine  *machine;          struct machine  *machine;
300    
301            /*  Settings:  */
302            struct settings *settings;
303    
304          /*  CPU-specific name, e.g. "R2000", "21164PC", etc.  */          /*  CPU-specific name, e.g. "R2000", "21164PC", etc.  */
305          char            *name;          char            *name;
306    
307            /*  Full "path" to the CPU, e.g. "emul[0].machine[0].cpu[0]":  */
308            char            *path;
309    
310          /*  EMUL_LITTLE_ENDIAN or EMUL_BIG_ENDIAN.  */          /*  EMUL_LITTLE_ENDIAN or EMUL_BIG_ENDIAN.  */
311          int             byte_order;          int             byte_order;
312    
# Line 357  struct cpu { Line 353  struct cpu {
353           *  If is_halted is true when an interrupt trap occurs, the pointer           *  If is_halted is true when an interrupt trap occurs, the pointer
354           *  to the next instruction to execute will be the instruction           *  to the next instruction to execute will be the instruction
355           *  following the halt instruction, not the halt instrucion itself.           *  following the halt instruction, not the halt instrucion itself.
356             *
357             *  If has_been_idling is true when printing the number of executed
358             *  instructions per second, "idling" is printed instead. (The number
359             *  of instrs per second when idling is meaningless anyway.)
360           */           */
361          int             is_halted;          int             is_halted;
362            int             has_been_idling;
363    
364          /*          /*
365           *  Dynamic translation:           *  Dynamic translation:
# Line 372  struct cpu { Line 373  struct cpu {
373           *  Note that it can also be adjusted negatively, that is, the way           *  Note that it can also be adjusted negatively, that is, the way
374           *  to "get out" of a dyntrans loop is to set the current instruction           *  to "get out" of a dyntrans loop is to set the current instruction
375           *  call pointer to the "nothing" instruction. This instruction           *  call pointer to the "nothing" instruction. This instruction
376           *  _decreases_ n_translated_instrs. That way, once the dyntrans loop           *  _decreases_ n_translated_instrs by 1. That way, once the dyntrans
377           *  exits, only real instructions will be counted, and not the           *  loop exits, only real instructions will be counted, and not the
378           *  "nothing" instructions.           *  "nothing" instructions.
379             *
380             *  The translation cache is a relative large chunk of memory (say,
381             *  32 MB) which is used for translations. When it has been used up,
382             *  everything restarts from scratch.
383             *
384             *  The INR struct contains the Intermediate Native Representation,
385             *  used during native code generation.
386           */           */
387          int             n_translated_instrs;          int             n_translated_instrs;
388          unsigned char   *translation_cache;          unsigned char   *translation_cache;
389          size_t          translation_cache_cur_ofs;          size_t          translation_cache_cur_ofs;
390    
391    #ifdef NATIVE_CODE_GENERATION
392            struct inr      inr;
393    #endif
394    
395          /*          /*
396           *  CPU-family dependent:           *  CPU-family dependent:
397           *           *
# Line 390  struct cpu { Line 402  struct cpu {
402                  struct alpha_cpu      alpha;                  struct alpha_cpu      alpha;
403                  struct arm_cpu        arm;                  struct arm_cpu        arm;
404                  struct avr_cpu        avr;                  struct avr_cpu        avr;
                 struct hppa_cpu       hppa;  
                 struct i960_cpu       i960;  
                 struct ia64_cpu       ia64;  
405                  struct m68k_cpu       m68k;                  struct m68k_cpu       m68k;
406                  struct mips_cpu       mips;                  struct mips_cpu       mips;
407                  struct ppc_cpu        ppc;                  struct ppc_cpu        ppc;
408                  struct sh_cpu         sh;                  struct sh_cpu         sh;
409                  struct sparc_cpu      sparc;                  struct sparc_cpu      sparc;
                 struct transputer_cpu transputer;  
                 struct x86_cpu        x86;  
410          } cd;          } cd;
411  };  };
412    
# Line 407  struct cpu { Line 414  struct cpu {
414  /*  cpu.c:  */  /*  cpu.c:  */
415  struct cpu *cpu_new(struct memory *mem, struct machine *machine,  struct cpu *cpu_new(struct memory *mem, struct machine *machine,
416          int cpu_id, char *cpu_type_name);          int cpu_id, char *cpu_type_name);
417    void cpu_destroy(struct cpu *cpu);
418    
419  void cpu_tlbdump(struct machine *m, int x, int rawflag);  void cpu_tlbdump(struct machine *m, int x, int rawflag);
 void cpu_register_match(struct machine *m, char *name,  
         int writeflag, uint64_t *valuep, int *match_register);  
420  void cpu_register_dump(struct machine *m, struct cpu *cpu,  void cpu_register_dump(struct machine *m, struct cpu *cpu,
421          int gprs, int coprocs);          int gprs, int coprocs);
422  int cpu_disassemble_instr(struct machine *m, struct cpu *cpu,  int cpu_disassemble_instr(struct machine *m, struct cpu *cpu,
423          unsigned char *instr, int running, uint64_t addr);          unsigned char *instr, int running, uint64_t addr);
424  char *cpu_gdb_stub(struct cpu *cpu, char *cmd);  
 int cpu_interrupt(struct cpu *cpu, uint64_t irq_nr);  
 int cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr);  
425  void cpu_functioncall_trace(struct cpu *cpu, uint64_t f);  void cpu_functioncall_trace(struct cpu *cpu, uint64_t f);
426  void cpu_functioncall_trace_return(struct cpu *cpu);  void cpu_functioncall_trace_return(struct cpu *cpu);
427    
428  void cpu_create_or_reset_tc(struct cpu *cpu);  void cpu_create_or_reset_tc(struct cpu *cpu);
429    
430  void cpu_run_init(struct machine *machine);  void cpu_run_init(struct machine *machine);
431  void cpu_run_deinit(struct machine *machine);  void cpu_run_deinit(struct machine *machine);
432    
433  void cpu_dumpinfo(struct machine *m, struct cpu *cpu);  void cpu_dumpinfo(struct machine *m, struct cpu *cpu);
434  void cpu_list_available_types(void);  void cpu_list_available_types(void);
435  void cpu_show_cycles(struct machine *machine, int forced);  void cpu_show_cycles(struct machine *machine, int forced);
436    
437  struct cpu_family *cpu_family_ptr_by_number(int arch);  struct cpu_family *cpu_family_ptr_by_number(int arch);
438  void cpu_init(void);  void cpu_init(void);
439    
# Line 436  void cpu_init(void); Line 445  void cpu_init(void);
445  #define INVALIDATE_VADDR_UPPER4         16      /*  useful for PPC emulation  */  #define INVALIDATE_VADDR_UPPER4         16      /*  useful for PPC emulation  */
446    
447    
448    /*  Note: 64-bit processors running in 32-bit mode use a 32-bit
449        display format, even though the underlying data is 64-bits.  */
450    #define CPU_SETTINGS_ADD_REGISTER64(name, var)                             \
451            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT64,         \
452                cpu->is_32bit? SETTINGS_FORMAT_HEX32 : SETTINGS_FORMAT_HEX64,  \
453                (void *) &(var));
454    #define CPU_SETTINGS_ADD_REGISTER32(name, var)                             \
455            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT32,         \
456                SETTINGS_FORMAT_HEX32, (void *) &(var));
457    #define CPU_SETTINGS_ADD_REGISTER16(name, var)                             \
458            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT16,         \
459                SETTINGS_FORMAT_HEX16, (void *) &(var));
460    #define CPU_SETTINGS_ADD_REGISTER8(name, var)                              \
461            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT8,          \
462                SETTINGS_FORMAT_HEX8, (void *) &(var));
463    
464    
465  #define CPU_FAMILY_INIT(n,s)    int n ## _cpu_family_init(              \  #define CPU_FAMILY_INIT(n,s)    int n ## _cpu_family_init(              \
466          struct cpu_family *fp) {                                        \          struct cpu_family *fp) {                                        \
467          /*  Fill in the cpu_family struct with valid data for this arch.  */ \          /*  Fill in the cpu_family struct with valid data for this arch.  */ \
468          fp->name = s;                                                   \          fp->name = s;                                                   \
469          fp->cpu_new = n ## _cpu_new;                                    \          fp->cpu_new = n ## _cpu_new;                                    \
470          fp->list_available_types = n ## _cpu_list_available_types;      \          fp->list_available_types = n ## _cpu_list_available_types;      \
         fp->register_match = n ## _cpu_register_match;                  \  
471          fp->disassemble_instr = n ## _cpu_disassemble_instr;            \          fp->disassemble_instr = n ## _cpu_disassemble_instr;            \
472          fp->register_dump = n ## _cpu_register_dump;                    \          fp->register_dump = n ## _cpu_register_dump;                    \
473          fp->dumpinfo = n ## _cpu_dumpinfo;                              \          fp->dumpinfo = n ## _cpu_dumpinfo;                              \
         fp->interrupt = n ## _cpu_interrupt;                            \  
         fp->interrupt_ack = n ## _cpu_interrupt_ack;                    \  
474          fp->functioncall_trace = n ## _cpu_functioncall_trace;          \          fp->functioncall_trace = n ## _cpu_functioncall_trace;          \
         fp->gdb_stub = n ## _cpu_gdb_stub;                              \  
475          fp->tlbdump = n ## _cpu_tlbdump;                                \          fp->tlbdump = n ## _cpu_tlbdump;                                \
476          fp->init_tables = n ## _cpu_init_tables;                        \          fp->init_tables = n ## _cpu_init_tables;                        \
477          return 1;                                                       \          return 1;                                                       \
Legend:
Removed from v.30  
changed lines
  Added in v.38
  ViewVC Help
Powered by ViewVC 1.1.26