/[gxemul]/trunk/src/include/cpu_avr.h
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 14 by dpavlin, Mon Oct 8 16:18:51 2007 UTC revision 20 by dpavlin, Mon Oct 8 16:19:23 2007 UTC
# Line 28  Line 28 
28   *  SUCH DAMAGE.   *  SUCH DAMAGE.
29   *   *
30   *   *
31   *  $Id: cpu_avr.h,v 1.4 2005/09/17 22:34:53 debug Exp $   *  $Id: cpu_avr.h,v 1.10 2005/11/16 21:15:19 debug Exp $
32   */   */
33    
34  #include "misc.h"  #include "misc.h"
# Line 49  struct cpu_family; Line 49  struct cpu_family;
49    
50  struct avr_instr_call {  struct avr_instr_call {
51          void    (*f)(struct cpu *, struct avr_instr_call *);          void    (*f)(struct cpu *, struct avr_instr_call *);
52            int     len;
53          size_t  arg[AVR_N_IC_ARGS];          size_t  arg[AVR_N_IC_ARGS];
54  };  };
55    
56  /*  Translation cache struct for each physical page:  */  /*  Translation cache struct for each physical page:  */
57  struct avr_tc_physpage {  struct avr_tc_physpage {
58            struct avr_instr_call ics[AVR_IC_ENTRIES_PER_PAGE + 1];
59          uint32_t        next_ofs;       /*  or 0 for end of chain  */          uint32_t        next_ofs;       /*  or 0 for end of chain  */
60          uint32_t        physaddr;          uint32_t        physaddr;
61          int             flags;          int             flags;
         struct avr_instr_call ics[AVR_IC_ENTRIES_PER_PAGE + 1];  
62  };  };
63    
64    
# Line 65  struct avr_tc_physpage { Line 66  struct avr_tc_physpage {
66    
67  #define AVR_MAX_VPH_TLB_ENTRIES         256  #define AVR_MAX_VPH_TLB_ENTRIES         256
68  struct avr_vpg_tlb_entry {  struct avr_vpg_tlb_entry {
69          int             valid;          unsigned char   valid;
70          int             writeflag;          unsigned char   writeflag;
         int64_t         timestamp;  
         unsigned char   *host_page;  
71          uint32_t        vaddr_page;          uint32_t        vaddr_page;
72          uint32_t        paddr_page;          uint32_t        paddr_page;
73            unsigned char   *host_page;
74  };  };
75    
76    
# Line 117  struct avr_cpu { Line 117  struct avr_cpu {
117          struct avr_instr_call   *cur_ic_page;          struct avr_instr_call   *cur_ic_page;
118          struct avr_instr_call   *next_ic;          struct avr_instr_call   *next_ic;
119    
120            void                    (*combination_check)(struct cpu *,
121                                        struct avr_instr_call *, int low_addr);
122    
123          /*          /*
124           *  Virtual -> physical -> host address translation:           *  Virtual -> physical -> host address translation:
# Line 131  struct avr_cpu { Line 133  struct avr_cpu {
133          unsigned char                   *host_store[AVR_N_VPH_ENTRIES];          unsigned char                   *host_store[AVR_N_VPH_ENTRIES];
134          uint32_t                        phys_addr[AVR_N_VPH_ENTRIES];          uint32_t                        phys_addr[AVR_N_VPH_ENTRIES];
135          struct avr_tc_physpage          *phys_page[AVR_N_VPH_ENTRIES];          struct avr_tc_physpage          *phys_page[AVR_N_VPH_ENTRIES];
136    
137            uint32_t                        phystranslation[AVR_N_VPH_ENTRIES/32];
138            uint8_t                         vaddr_to_tlbindex[AVR_N_VPH_ENTRIES];
139  };  };
140    
141    
142  /*  cpu_avr.c:  */  /*  cpu_avr.c:  */
143  void avr_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,  void avr_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
144          unsigned char *host_page, int writeflag, uint64_t paddr_page);          unsigned char *host_page, int writeflag, uint64_t paddr_page);
145  void avr_invalidate_translation_caches_paddr(struct cpu *cpu, uint64_t, int);  void avr_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
146  void avr_invalidate_code_translation(struct cpu *cpu, uint64_t, int);  void avr_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
147  int avr_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,  int avr_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,
148          unsigned char *data, size_t len, int writeflag, int cache_flags);          unsigned char *data, size_t len, int writeflag, int cache_flags);
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