/[gxemul]/trunk/src/include/cpu.h
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revision 30 by dpavlin, Mon Oct 8 16:20:40 2007 UTC revision 34 by dpavlin, Mon Oct 8 16:21:17 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 1.109 2007/02/10 14:29:54 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_rca180x.h"
201  #include "cpu_sh.h"  #include "cpu_sh.h"
202  #include "cpu_sparc.h"  #include "cpu_sparc.h"
203  #include "cpu_transputer.h"  #include "cpu_transputer.h"
 #include "cpu_x86.h"  
204    
205  struct cpu;  struct cpu;
206  struct emul;  struct emul;
207  struct machine;  struct machine;
208  struct memory;  struct memory;
209    struct settings;
210    
211    
212  /*  /*
# Line 239  struct cpu_family { Line 237  struct cpu_family {
237          /*  List available CPU types for this architecture.  */          /*  List available CPU types for this architecture.  */
238          void                    (*list_available_types)(void);          void                    (*list_available_types)(void);
239    
         /*  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);  
   
240          /*  Disassemble an instruction.  */          /*  Disassemble an instruction.  */
241          int                     (*disassemble_instr)(struct cpu *cpu,          int                     (*disassemble_instr)(struct cpu *cpu,
242                                      unsigned char *instr, int running,                                      unsigned char *instr, int running,
# Line 260  struct cpu_family { Line 253  struct cpu_family {
253          void                    (*tlbdump)(struct machine *m, int x,          void                    (*tlbdump)(struct machine *m, int x,
254                                      int rawflag);                                      int rawflag);
255    
         /*  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);  
   
256          /*  Print architecture-specific function call arguments.          /*  Print architecture-specific function call arguments.
257              (This is called for each function call, if running with -t.)  */              (This is called for each function call, if running with -t.)  */
258          void                    (*functioncall_trace)(struct cpu *,          void                    (*functioncall_trace)(struct cpu *,
# Line 293  struct cpu_family { Line 279  struct cpu_family {
279  #define N_SAFE_DYNTRANS_LIMIT_SHIFT     14  #define N_SAFE_DYNTRANS_LIMIT_SHIFT     14
280  #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)
281    
282  #define DYNTRANS_CACHE_SIZE             (24*1048576)  #define DEFAULT_DYNTRANS_CACHE_SIZE     (40*1048576)
283  #define DYNTRANS_CACHE_MARGIN           300000  #define DYNTRANS_CACHE_MARGIN           200000
284    
285  #define N_BASE_TABLE_ENTRIES            32768  #define N_BASE_TABLE_ENTRIES            32768
286  #define PAGENR_TO_TABLE_INDEX(a)        ((a) & (N_BASE_TABLE_ENTRIES-1))  #define PAGENR_TO_TABLE_INDEX(a)        ((a) & (N_BASE_TABLE_ENTRIES-1))
# Line 308  struct cpu { Line 294  struct cpu {
294          /*  Pointer back to the machine this CPU is in:  */          /*  Pointer back to the machine this CPU is in:  */
295          struct machine  *machine;          struct machine  *machine;
296    
297            /*  Settings:  */
298            struct settings *settings;
299    
300          /*  CPU-specific name, e.g. "R2000", "21164PC", etc.  */          /*  CPU-specific name, e.g. "R2000", "21164PC", etc.  */
301          char            *name;          char            *name;
302    
303            /*  Full "path" to the CPU, e.g. "emul[0].machine[0].cpu[0]":  */
304            char            *path;
305    
306          /*  EMUL_LITTLE_ENDIAN or EMUL_BIG_ENDIAN.  */          /*  EMUL_LITTLE_ENDIAN or EMUL_BIG_ENDIAN.  */
307          int             byte_order;          int             byte_order;
308    
# Line 357  struct cpu { Line 349  struct cpu {
349           *  If is_halted is true when an interrupt trap occurs, the pointer           *  If is_halted is true when an interrupt trap occurs, the pointer
350           *  to the next instruction to execute will be the instruction           *  to the next instruction to execute will be the instruction
351           *  following the halt instruction, not the halt instrucion itself.           *  following the halt instruction, not the halt instrucion itself.
352             *
353             *  If has_been_idling is true when printing the number of executed
354             *  instructions per second, "idling" is printed instead. (The number
355             *  of instrs per second when idling is meaningless anyway.)
356           */           */
357          int             is_halted;          int             is_halted;
358            int             has_been_idling;
359    
360          /*          /*
361           *  Dynamic translation:           *  Dynamic translation:
# Line 375  struct cpu { Line 372  struct cpu {
372           *  _decreases_ n_translated_instrs. That way, once the dyntrans loop           *  _decreases_ n_translated_instrs. That way, once the dyntrans loop
373           *  exits, only real instructions will be counted, and not the           *  exits, only real instructions will be counted, and not the
374           *  "nothing" instructions.           *  "nothing" instructions.
375             *
376             *  The translation cache is a relative large chunk of memory (say,
377             *  32 MB) which is used for translations. When it has been used up,
378             *  everything restarts from scratch.
379             *
380             *  When translating to native code, currently_translating_to_native
381             *  is non-zero, and native_code_function_pointer points to the
382             *  "ic->f" which will be modified (once the translation has finished)
383             *  to point to the newly translated code.
384           */           */
385          int             n_translated_instrs;          int             n_translated_instrs;
386          unsigned char   *translation_cache;          unsigned char   *translation_cache;
387          size_t          translation_cache_cur_ofs;          size_t          translation_cache_cur_ofs;
388            int             currently_translating_to_native;
389            int             nr_of_instructions_translated_to_native;
390            unsigned char   *native_cur_output_ptr;
391            void            **native_code_function_pointer;
392    
393          /*          /*
394           *  CPU-family dependent:           *  CPU-family dependent:
# Line 390  struct cpu { Line 400  struct cpu {
400                  struct alpha_cpu      alpha;                  struct alpha_cpu      alpha;
401                  struct arm_cpu        arm;                  struct arm_cpu        arm;
402                  struct avr_cpu        avr;                  struct avr_cpu        avr;
                 struct hppa_cpu       hppa;  
                 struct i960_cpu       i960;  
                 struct ia64_cpu       ia64;  
403                  struct m68k_cpu       m68k;                  struct m68k_cpu       m68k;
404                  struct mips_cpu       mips;                  struct mips_cpu       mips;
405                  struct ppc_cpu        ppc;                  struct ppc_cpu        ppc;
406                    struct rca180x_cpu    rca180x;
407                  struct sh_cpu         sh;                  struct sh_cpu         sh;
408                  struct sparc_cpu      sparc;                  struct sparc_cpu      sparc;
409                  struct transputer_cpu transputer;                  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);  char *cpu_gdb_stub(struct cpu *cpu, char *cmd);
425  int cpu_interrupt(struct cpu *cpu, uint64_t irq_nr);  
 int cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr);  
426  void cpu_functioncall_trace(struct cpu *cpu, uint64_t f);  void cpu_functioncall_trace(struct cpu *cpu, uint64_t f);
427  void cpu_functioncall_trace_return(struct cpu *cpu);  void cpu_functioncall_trace_return(struct cpu *cpu);
428    
429  void cpu_create_or_reset_tc(struct cpu *cpu);  void cpu_create_or_reset_tc(struct cpu *cpu);
430    
431  void cpu_run_init(struct machine *machine);  void cpu_run_init(struct machine *machine);
432  void cpu_run_deinit(struct machine *machine);  void cpu_run_deinit(struct machine *machine);
433    
434  void cpu_dumpinfo(struct machine *m, struct cpu *cpu);  void cpu_dumpinfo(struct machine *m, struct cpu *cpu);
435  void cpu_list_available_types(void);  void cpu_list_available_types(void);
436  void cpu_show_cycles(struct machine *machine, int forced);  void cpu_show_cycles(struct machine *machine, int forced);
437    
438  struct cpu_family *cpu_family_ptr_by_number(int arch);  struct cpu_family *cpu_family_ptr_by_number(int arch);
439  void cpu_init(void);  void cpu_init(void);
440    
# Line 436  void cpu_init(void); Line 446  void cpu_init(void);
446  #define INVALIDATE_VADDR_UPPER4         16      /*  useful for PPC emulation  */  #define INVALIDATE_VADDR_UPPER4         16      /*  useful for PPC emulation  */
447    
448    
449    /*  Note: 64-bit processors running in 32-bit mode use a 32-bit
450        display format, even though the underlying data is 64-bits.  */
451    #define CPU_SETTINGS_ADD_REGISTER64(name, var)                             \
452            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT64,         \
453                cpu->is_32bit? SETTINGS_FORMAT_HEX32 : SETTINGS_FORMAT_HEX64,  \
454                (void *) &(var));
455    #define CPU_SETTINGS_ADD_REGISTER32(name, var)                             \
456            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT32,         \
457                SETTINGS_FORMAT_HEX32, (void *) &(var));
458    #define CPU_SETTINGS_ADD_REGISTER16(name, var)                             \
459            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT16,         \
460                SETTINGS_FORMAT_HEX16, (void *) &(var));
461    #define CPU_SETTINGS_ADD_REGISTER8(name, var)                              \
462            settings_add(cpu->settings, name, 1, SETTINGS_TYPE_UINT8,          \
463                SETTINGS_FORMAT_HEX8, (void *) &(var));
464    
465    
466  #define CPU_FAMILY_INIT(n,s)    int n ## _cpu_family_init(              \  #define CPU_FAMILY_INIT(n,s)    int n ## _cpu_family_init(              \
467          struct cpu_family *fp) {                                        \          struct cpu_family *fp) {                                        \
468          /*  Fill in the cpu_family struct with valid data for this arch.  */ \          /*  Fill in the cpu_family struct with valid data for this arch.  */ \
469          fp->name = s;                                                   \          fp->name = s;                                                   \
470          fp->cpu_new = n ## _cpu_new;                                    \          fp->cpu_new = n ## _cpu_new;                                    \
471          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;                  \  
472          fp->disassemble_instr = n ## _cpu_disassemble_instr;            \          fp->disassemble_instr = n ## _cpu_disassemble_instr;            \
473          fp->register_dump = n ## _cpu_register_dump;                    \          fp->register_dump = n ## _cpu_register_dump;                    \
474          fp->dumpinfo = n ## _cpu_dumpinfo;                              \          fp->dumpinfo = n ## _cpu_dumpinfo;                              \
         fp->interrupt = n ## _cpu_interrupt;                            \  
         fp->interrupt_ack = n ## _cpu_interrupt_ack;                    \  
475          fp->functioncall_trace = n ## _cpu_functioncall_trace;          \          fp->functioncall_trace = n ## _cpu_functioncall_trace;          \
476          fp->gdb_stub = n ## _cpu_gdb_stub;                              \          fp->gdb_stub = n ## _cpu_gdb_stub;                              \
477          fp->tlbdump = n ## _cpu_tlbdump;                                \          fp->tlbdump = n ## _cpu_tlbdump;                                \
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