#ifndef morpheo_behavioural_Constants_h
#define morpheo_behavioural_Constants_h

namespace morpheo {
namespace behavioural {

  //=========================================================[ Type ]=====
#  define TYPE_ALU                                 0x0        // 00000 - unit multiple
#  define TYPE_SHIFT                               0x1        // 00000 - unit multiple
#  define TYPE_MOVE                                0x2        // 00000 - unit multiple
#  define TYPE_TEST                                0x3        // 00000 - unit multiple
#  define TYPE_MUL_DIV                             0x4        // 00000 - unit multiple
#  define TYPE_EXTEND                              0x5        // 00000 - unit multiple, type optionnal
#  define TYPE_FIND                                0x6        // 00000 - unit multiple, type optionnal
#  define TYPE_SPECIAL                             0x7        // 00000 - unit uniq
#  define TYPE_CUSTOM                              0x8        // 00000 - unit uniq    , type optionnal
#  define TYPE_BRANCH                              0x9        // 00000 - unit multiple
#  define TYPE_MEMORY                              0xa        // 00000 - unit uniq

#  define SIZE_TYPE                                5
#  define MAX_TYPE                                 (1<<SIZE_TYPE)

  //====================================================[ Operation ]=====

  //-------------------------------------------------------[ Memory ]-----
#  define OPERATION_MEMORY_LOAD_8_Z                0x08       // 0_1000
#  define OPERATION_MEMORY_LOAD_16_Z               0x09       // 0_1001
#  define OPERATION_MEMORY_LOAD_32_Z               0x0a       // 0_1010
#  define OPERATION_MEMORY_LOAD_64_Z               0x0b       // 0_1011
#  define OPERATION_MEMORY_LOAD_8_S                0x18       // 1_1000
#  define OPERATION_MEMORY_LOAD_16_S               0x19       // 1_1001
#  define OPERATION_MEMORY_LOAD_32_S               0x1a       // 1_1010
#  define OPERATION_MEMORY_LOAD_64_S               0x1b       // 1_1011

#  define OPERATION_MEMORY_STORE_8                 0x0c       // 0_1100
#  define OPERATION_MEMORY_STORE_16                0x0d       // 0_1101
#  define OPERATION_MEMORY_STORE_32                0x0e       // 0_1110
#  define OPERATION_MEMORY_STORE_64                0x0f       // 0_1111
#  define OPERATION_MEMORY_STORE_HEAD_OK           0x1c       // 1_1100
#  define OPERATION_MEMORY_STORE_HEAD_KO           0x1d       // 1_1101

#  define OPERATION_MEMORY_LOCK                    0x01       // 0_0001
#  define OPERATION_MEMORY_INVALIDATE              0x02       // 0_0010
#  define OPERATION_MEMORY_PREFETCH                0x03       // 0_0011
#  define OPERATION_MEMORY_FLUSH                   0x06       // 0_0110
#  define OPERATION_MEMORY_SYNCHRONIZATION         0x07       // 0_0111
  
#define is_operation_memory_load(x)             \
  ((x == OPERATION_MEMORY_LOAD_8_Z ) or		\
   (x == OPERATION_MEMORY_LOAD_16_Z) or		\
   (x == OPERATION_MEMORY_LOAD_32_Z) or		\
   (x == OPERATION_MEMORY_LOAD_64_Z) or		\
   (x == OPERATION_MEMORY_LOAD_8_S ) or		\
   (x == OPERATION_MEMORY_LOAD_16_S) or		\
   (x == OPERATION_MEMORY_LOAD_32_S) or		\
   (x == OPERATION_MEMORY_LOAD_64_S) )
  
#define is_operation_memory_store(x)		\
  ((x == OPERATION_MEMORY_STORE_8      ) or	\
   (x == OPERATION_MEMORY_STORE_16     ) or	\
   (x == OPERATION_MEMORY_STORE_32     ) or	\
   (x == OPERATION_MEMORY_STORE_64     ) or	\
   (x == OPERATION_MEMORY_STORE_HEAD_OK) or	\
   (x == OPERATION_MEMORY_STORE_HEAD_KO))

#define is_operation_memory_store_head(x)       \
  ((x == OPERATION_MEMORY_STORE_HEAD_OK) or	\
   (x == OPERATION_MEMORY_STORE_HEAD_KO))
  
#define is_operation_memory_load_signed(x)      \
  ((x == OPERATION_MEMORY_LOAD_8_S ) or		\
   (x == OPERATION_MEMORY_LOAD_16_S) or		\
   (x == OPERATION_MEMORY_LOAD_32_S) or		\
   (x == OPERATION_MEMORY_LOAD_64_S) )

#  define MEMORY_ACCESS_8                          0x0
#  define MEMORY_ACCESS_16                         0x1
#  define MEMORY_ACCESS_32                         0x2
#  define MEMORY_ACCESS_64                         0x3

#  define MEMORY_SIZE_8                            8 
#  define MEMORY_SIZE_16                           16
#  define MEMORY_SIZE_32                           32
#  define MEMORY_SIZE_64                           64

#  define MASK_MEMORY_ACCESS_8                     0x0
#  define MASK_MEMORY_ACCESS_16                    0x1
#  define MASK_MEMORY_ACCESS_32                    0x3
#  define MASK_MEMORY_ACCESS_64                    0x7

#define memory_size(x)							\
  (((x==OPERATION_MEMORY_LOAD_16_Z)or					\
    (x==OPERATION_MEMORY_LOAD_16_S)or					\
    (x==OPERATION_MEMORY_STORE_16 ))?MEMORY_SIZE_16:			\
   (((x==OPERATION_MEMORY_LOAD_32_Z)or					\
     (x==OPERATION_MEMORY_LOAD_32_S)or					\
     (x==OPERATION_MEMORY_STORE_32 ))?MEMORY_SIZE_32:			\
    (((x==OPERATION_MEMORY_LOAD_64_Z)or					\
      (x==OPERATION_MEMORY_LOAD_64_S)or					\
      (x==OPERATION_MEMORY_STORE_64 ))?MEMORY_SIZE_64:MEMORY_SIZE_8)))
  
#define memory_access(x)						\
  (((x==OPERATION_MEMORY_LOAD_16_Z)or					\
    (x==OPERATION_MEMORY_LOAD_16_S)or					\
    (x==OPERATION_MEMORY_STORE_16 ))?MEMORY_ACCESS_16:			\
   (((x==OPERATION_MEMORY_LOAD_32_Z)or					\
     (x==OPERATION_MEMORY_LOAD_32_S)or					\
     (x==OPERATION_MEMORY_STORE_32 ))?MEMORY_ACCESS_32:			\
    (((x==OPERATION_MEMORY_LOAD_64_Z)or					\
      (x==OPERATION_MEMORY_LOAD_64_S)or					\
      (x==OPERATION_MEMORY_STORE_64 ))?MEMORY_ACCESS_64:MEMORY_ACCESS_8)))
  
#define mask_memory_access(x)						\
  (((x==OPERATION_MEMORY_LOAD_16_Z)or					\
    (x==OPERATION_MEMORY_LOAD_16_S)or					\
    (x==OPERATION_MEMORY_STORE_16 ))?MASK_MEMORY_ACCESS_16:		\
   (((x==OPERATION_MEMORY_LOAD_32_Z)or					\
     (x==OPERATION_MEMORY_LOAD_32_S)or					\
     (x==OPERATION_MEMORY_STORE_32 ))?MASK_MEMORY_ACCESS_32:		\
    (((x==OPERATION_MEMORY_LOAD_64_Z)or					\
      (x==OPERATION_MEMORY_LOAD_64_S)or					\
      (x==OPERATION_MEMORY_STORE_64 ))?MASK_MEMORY_ACCESS_64:MASK_MEMORY_ACCESS_8)))

  //---------------------------------------------[ Functionnal Unit ]-----
#  define OPERATION_ALU_L_ADD                      0x1        // 000_0000 l.add   , l.addi
#  define OPERATION_ALU_L_ADDC                     0x2        // 000_0000 l.addc  , l.addic
#  define OPERATION_ALU_L_SUB                      0x4        // 000_0000 l.sub
#  define OPERATION_ALU_L_AND                      0x8        // 000_0000 l.and   , l.andi
#  define OPERATION_ALU_L_OR                       0x10       // 000_0000 l.or    , l.ori
#  define OPERATION_ALU_L_XOR                      0x20       // 000_0000 l.xor   , l.xori

#  define OPERATION_SHIFT_L_SLL                    0x1        // 000_0000 l.sll   , l.slli
#  define OPERATION_SHIFT_L_SRA                    0x2        // 000_0000 l.sra   , l.srai
#  define OPERATION_SHIFT_L_SRL                    0x4        // 000_0000 l.srl   , l.srli
#  define OPERATION_SHIFT_L_ROR                    0x8        // 000_0000 l.ror   , l.rori

#  define OPERATION_MOVE_L_MOVHI                   0x1        // 000_0000 l.movhi
#  define OPERATION_MOVE_L_CMOV                    0x2        // 000_0000 l.cmov

#  define OPERATION_TEST_L_SFGES                   0x41       // 000_0000 l.sfges , l.sfges
#  define OPERATION_TEST_L_SFGEU                   0x1        // 000_0000 l.sfgeu , l.sfgeu
#  define OPERATION_TEST_L_SFGTS                   0x42       // 000_0000 L.sfgts , l.sfgts
#  define OPERATION_TEST_L_SFGTU                   0x2        // 000_0000 l.sfgtu , l.sfgtu
#  define OPERATION_TEST_L_SFLES                   0x44       // 000_0000 l.sfles , l.sfles
#  define OPERATION_TEST_L_SFLEU                   0x4        // 000_0000 l.sfleu , l.sfleu
#  define OPERATION_TEST_L_SFLTS                   0x48       // 000_0000 l.sflts , l.sflts
#  define OPERATION_TEST_L_SFLTU                   0x8        // 000_0000 l.sfltu , l.sfltu
#  define OPERATION_TEST_L_SFEQ                    0x10       // 000_0000 l.sfeq  , l.sfeqi
#  define OPERATION_TEST_L_SFNE                    0x20       // 000_0000 l.sfne  , l.sfnei

#  define OPERATION_MUL_DIV_L_MUL                  0x1        // 000_0000 l.mul   , l.muli
#  define OPERATION_MUL_DIV_L_MULU                 0x2        // 000_0000 l.mulu
#  define OPERATION_MUL_DIV_L_DIV                  0x4        // 000_0000 l.div
#  define OPERATION_MUL_DIV_L_DIVU                 0x8        // 000_0000 l.divu

#  define OPERATION_EXTEND_L_EXTEND_Z              0x1        // 000_0000 l.extbz , l.exthz, l.extwz
#  define OPERATION_EXTEND_L_EXTEND_S              0x2        // 000_0000 l.extbs , l.exths, l.extws

#  define OPERATION_FIND_L_FF1                     0x1        // 000_0000 l.ff1
#  define OPERATION_FIND_L_FL1                     0x2        // 000_0000 l.fl1

#  define OPERATION_SPECIAL_L_NOP                  0xff       // 000_0000 l.nop   
#  define OPERATION_SPECIAL_L_MFSPR                0x1        // 000_0001 l.mfspr
#  define OPERATION_SPECIAL_L_MTSPR                0x2        // 000_0010 l.mtspr
#  define OPERATION_SPECIAL_L_RFE                  0x4        // 000_0100 l.rfe  
#  define OPERATION_SPECIAL_L_MAC                  0x11       // 001_0001 l.mac   , l.maci
#  define OPERATION_SPECIAL_L_MACRC                0x12       // 001_0010 l.macrc
#  define OPERATION_SPECIAL_L_MSB                  0x14       // 001_0100 l.msb
#  define OPERATION_SPECIAL_L_MSYNC                0x21       // 010_0001 l.msync
#  define OPERATION_SPECIAL_L_PSYNC                0x22       // 010_0010 l.psync
#  define OPERATION_SPECIAL_L_CSYNC                0x24       // 010_0100 l.csync
#  define OPERATION_SPECIAL_L_SYS                  0x41       // 100_0001 l.sys  
#  define OPERATION_SPECIAL_L_TRAP                 0x42       // 100_0010 l.trap 


#  define OPERATION_BRANCH_NONE                    0x1        // 000_0000 l.j
#  define OPERATION_BRANCH_L_TEST_NF               0x2        // 000_0000 l.bnf
#  define OPERATION_BRANCH_L_TEST_F                0x4        // 000_0000 l.bf
#  define OPERATION_BRANCH_L_JALR                  0x8        // 000_0000 l.jal   , l.jalr , l.jr

  //-------------------------------------------------------[ Custom ]-----

#  define OPERATION_CUSTOM_L_1                     0x40       // 100_0000
#  define OPERATION_CUSTOM_L_2                     0x41       // 100_0001
#  define OPERATION_CUSTOM_L_3                     0x42       // 100_0010
#  define OPERATION_CUSTOM_L_4                     0x43       // 100_0011
#  define OPERATION_CUSTOM_L_5                     0x44       // 100_0100
#  define OPERATION_CUSTOM_L_6                     0x45       // 100_0101
#  define OPERATION_CUSTOM_L_7                     0x46       // 100_0110
#  define OPERATION_CUSTOM_L_8                     0x47       // 100_0111
#  define OPERATION_CUSTOM_LF_1_D                  0x48       // 100_1000
#  define OPERATION_CUSTOM_LF_1_S                  0x49       // 100_1001
#  define OPERATION_CUSTOM_LV_1                    0x4c       // 100_1100
#  define OPERATION_CUSTOM_LV_2                    0x4d       // 100_1101
#  define OPERATION_CUSTOM_LV_3                    0x4e       // 100_1110
#  define OPERATION_CUSTOM_LV_4                    0x4f       // 100_1111

#  define SIZE_OPERATION                           7
#  define MAX_OPERATION                            (1<<SIZE_OPERATION)

  //====================================================[ Exception ]=====
  // Exception - OpenRISC

#  define SIZE_EXCEPTION                           5
#  define SIZE_EXCEPTION_USE                       4
#  define SIZE_EXCEPTION_MEMORY                    3
#  define SIZE_EXCEPTION_CUSTOM                    3
#  define SIZE_EXCEPTION_ALU                       2
#  define SIZE_EXCEPTION_DECOD                     2
#  define SIZE_EXCEPTION_IFETCH                    2

#  define EXCEPTION_NONE                           0x00       // none exception
#  define EXCEPTION_RESET                          0x01       // software or hardware reset
#  define EXCEPTION_BUS_ERROR                      0x02       // Access at a invalid physical adress
#  define EXCEPTION_DATA_PAGE                      0x03       // No matching or page violation protection in pages tables
#  define EXCEPTION_INSTRUCTION_PAGE               0x04       // No matching or page violation protection in pages tables
#  define EXCEPTION_TICK_TIMER                     0x05       // Tick timer interruption
#  define EXCEPTION_ALIGNMENT                      0x06       // Load/Store access is not aligned
#  define EXCEPTION_ILLEGAL_INSTRUCTION            0x07       // Instruction is illegal (no implemented)
#  define EXCEPTION_INTERRUPT                      0x08       // External interruption 
#  define EXCEPTION_DATA_TLB                       0x09       // DTLB miss
#  define EXCEPTION_INSTRUCTION_TLB                0x0a       // ITLB miss
#  define EXCEPTION_RANGE                          0x0b       // Overflow or access at a unimplemented register or context
#  define EXCEPTION_SYSCALL                        0x0c       // System Call
#  define EXCEPTION_FLOATING_POINT                 0x0d       // Caused by a floating instruction
#  define EXCEPTION_TRAP                           0x0e       // L.trap or debug unit
#  define EXCEPTION_RESERVED_0                     0x0f       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_1                     0x10       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_2                     0x11       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_3                     0x12       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_4                     0x13       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_5                     0x14       // Reserved for a futur usage
#  define EXCEPTION_RESERVED_6                     0x15       // Reserved for implemented specific exceptions
#  define EXCEPTION_RESERVED_7                     0x16       // Reserved for implemented specific exceptions
#  define EXCEPTION_RESERVED_8                     0x17       // Reserved for implemented specific exceptions
#  define EXCEPTION_RESERVED_9                     0x18       // Reserved for implemented specific exceptions
#  define EXCEPTION_CUSTOM_0                       0x19       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_1                       0x1a       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_2                       0x1b       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_3                       0x1c       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_4                       0x1d       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_5                       0x1e       // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_6                       0x1f       // Reserved for custom exceptions


#define exception_to_address(x) (x<<8)

  // Exception Execution
#  define EXCEPTION_MEMORY_NONE                    0x0        // Load/Store generate none exception
#  define EXCEPTION_MEMORY_ALIGNMENT               0x1        // Load/Store access is not aligned
#  define EXCEPTION_MEMORY_DATA_TLB                0x2        // DTLB miss
#  define EXCEPTION_MEMORY_DATA_PAGE               0x3        // No matching or page violation protection in pages tables
#  define EXCEPTION_MEMORY_BUS_ERROR               0x4        // Access at a invalid physical address
#  define EXCEPTION_MEMORY_MISS_SPECULATION        0x5        // Load miss speculation
#  define EXCEPTION_MEMORY_LOAD_SPECULATIVE        0x6        // The load is speculative : write in register file, but don't commit

#  define EXCEPTION_CUSTOM_NONE                    0x1        // Custom unit generate none exception
#  define EXCEPTION_CUSTOM_CUST_0                  0x1        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_1                  0x2        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_2                  0x3        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_3                  0x4        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_4                  0x5        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_5                  0x6        // Reserved for custom exceptions
#  define EXCEPTION_CUSTOM_CUST_6                  0x7        // Reserved for custom exceptions

#  define EXCEPTION_ALU_NONE                       0x0        // Functionnal unit generate none exception
#  define EXCEPTION_ALU_RANGE                      0x1        // 
#  define EXCEPTION_ALU_SPR_ACCESS_INVALID         0x2        // SPR     present in ALU but not compatible privilege
#  define EXCEPTION_ALU_SPR_ACCESS_NOT_COMPLETE    0x3        // SPR not present in ALU

#  define EXCEPTION_DECOD_NONE                     0x0        // none exception
#  define EXCEPTION_DECOD_ILLEGAL_INSTRUCTION      0x1        // Instruction is illegal (no implemented)
#  define EXCEPTION_DECOD_SYSCALL                  0x2        // System Call
//#define EXCEPTION_DECOD_TRAP                     0x4        // L.trap or debug unit (note : must read SR !)

#  define EXCEPTION_IFETCH_NONE                    0x0        // Fetch Unit generate none exception
#  define EXCEPTION_IFETCH_INSTRUCTION_TLB         0x1        // ITLB miss
#  define EXCEPTION_IFETCH_INSTRUCTION_PAGE        0x2        // No matching or page violation protection in pages tables
#  define EXCEPTION_IFETCH_BUS_ERROR               0x3        // Access at a invalid physical address

#  define EXCEPTION_USE_NONE                       0x0        // 
#  define EXCEPTION_USE_ILLEGAL_INSTRUCTION        0x1        // illegal_instruction
#  define EXCEPTION_USE_RANGE                      0x2        // range
#  define EXCEPTION_USE_MEMORY_WITH_ALIGNMENT      0x3        // TLB miss, page fault, bus error, alignment
#  define EXCEPTION_USE_MEMORY_WITHOUT_ALIGNMENT   0x4        // TLB miss, page fault, bus error
#  define EXCEPTION_USE_SYSCALL                    0x5        // syscall
#  define EXCEPTION_USE_TRAP                       0x6        // trap
#  define EXCEPTION_USE_CUSTOM_0                   0x7        // 
#  define EXCEPTION_USE_CUSTOM_1                   0x8        // 
#  define EXCEPTION_USE_CUSTOM_2                   0x9        // 
#  define EXCEPTION_USE_CUSTOM_3                   0xa        // 
#  define EXCEPTION_USE_CUSTOM_4                   0xb        // 
#  define EXCEPTION_USE_CUSTOM_5                   0xc        // 
#  define EXCEPTION_USE_CUSTOM_6                   0xd        // 

  //=======================================================[ icache ]=====

  //--------------------------------------------------[ icache_type ]-----

#  define SIZE_ICACHE_TYPE                              2

#  define ICACHE_TYPE_LOAD                              0x0        // 0000
#  define ICACHE_TYPE_LOCK                              0x1        // 0001
#  define ICACHE_TYPE_INVALIDATE                        0x2        // 0010
#  define ICACHE_TYPE_PREFETCH                          0x3        // 0011

// just take the 2 less significative bits.
#define operation_to_icache_type(x) (x&0x3)

  //-------------------------------------------------[ icache_error ]-----

#  define SIZE_ICACHE_ERROR                             1

#  define ICACHE_ERROR_NONE                             0x0
#  define ICACHE_ERROR_BUS_ERROR                        0x1

  //=======================================================[ dcache ]=====

  //--------------------------------------------------[ dcache_type ]-----

#  define SIZE_DCACHE_TYPE                              4

//#define DCACHE_TYPE_                                  0x0        // 0000
#  define DCACHE_TYPE_LOCK                              0x1        // 0001
#  define DCACHE_TYPE_INVALIDATE                        0x2        // 0010
#  define DCACHE_TYPE_PREFETCH                          0x3        // 0011
//#define DCACHE_TYPE_                                  0x4        // 0100
//#define DCACHE_TYPE_                                  0x5        // 0101
#  define DCACHE_TYPE_FLUSH                             0x6        // 0110
#  define DCACHE_TYPE_SYNCHRONIZATION                   0x7        // 0111
#  define DCACHE_TYPE_LOAD_8                            0x8        // 1000
#  define DCACHE_TYPE_LOAD_16                           0x9        // 1001
#  define DCACHE_TYPE_LOAD_32                           0xa        // 1010
#  define DCACHE_TYPE_LOAD_64                           0xb        // 1011
#  define DCACHE_TYPE_STORE_8                           0xc        // 1100
#  define DCACHE_TYPE_STORE_16                          0xd        // 1101
#  define DCACHE_TYPE_STORE_32                          0xe        // 1110
#  define DCACHE_TYPE_STORE_64                          0xf        // 1111

// just take the 4 less significative bits.
#define operation_to_dcache_type(x) (x&0xf)

  //-------------------------------------------------[ dcache_error ]-----

#  define SIZE_DCACHE_ERROR                             1

#  define DCACHE_ERROR_NONE                             0x0
#  define DCACHE_ERROR_BUS_ERROR                        0x1

  //=================================================[ special_data ]=====

#  define SIZE_SPECIAL_DATA                             2

// Position of flag in "rename register SR" (NOT IN "SR")
#  define FLAG_POSITION_F                               0x0         // Conditionnal branch flag
#  define FLAG_POSITION_CY                              0x1         // Carry was produced by last arithmetic operation
#  define FLAG_POSITION_OV                              0x0         // Overflow occured during last arithmetic operation

#  define FLAG_F                                        (1<<FLAG_POSITION_F ) // Conditionnal branch flag
#  define FLAG_CY                                       (1<<FLAG_POSITION_CY) // Carry was produced by last arithmetic operation
#  define FLAG_OV                                       (1<<FLAG_POSITION_OV) // Overflow occured during last arithmetic operation

  //==========================================================[ spr ]=====

  enum
    {
      GROUP_SYSTEM_AND_CONTROL,  // 0
      GROUP_DMMU,                // 1
      GROUP_IMMU,                // 2
      GROUP_DCACHE,              // 3
      GROUP_ICACHE,              // 4
      GROUP_MAC,                 // 5
      GROUP_DEBUG,               // 6
      GROUP_PERFORMANCE_COUNTER, // 7
      GROUP_POWER_MANAGEMENT,    // 8
      GROUP_PIC,                 // 9
      GROUP_TICK_TIMER,          // 10
      GROUP_FLOATING_POINT,      // 11
      GROUP_RESERVED_1,          // 12     
      GROUP_RESERVED_2,          // 13     
      GROUP_RESERVED_3,          // 14     
      GROUP_RESERVED_4,          // 15     
      GROUP_RESERVED_5,          // 16     
      GROUP_RESERVED_6,          // 17     
      GROUP_RESERVED_7,          // 18     
      GROUP_RESERVED_8,          // 19     
      GROUP_RESERVED_9,          // 20     
      GROUP_RESERVED_10,         // 21     
      GROUP_RESERVED_11,         // 22     
      GROUP_RESERVED_12,         // 23
      GROUP_CUSTOM_1,            // 24     
      GROUP_CUSTOM_2,            // 25     
      GROUP_CUSTOM_3,            // 26     
      GROUP_CUSTOM_4,            // 27     
      GROUP_CUSTOM_5,            // 28     
      GROUP_CUSTOM_6,            // 29     
      GROUP_CUSTOM_7,            // 30     
      GROUP_CUSTOM_8             // 31     
    };

#  define NB_GROUP                                 32
#  define NB_REG_GROUP_SYSTEM_AND_CONTROL          1536
#  define NB_REG_GROUP_DMMU                        1536
#  define NB_REG_GROUP_IMMU                        1536
#  define NB_REG_GROUP_DCACHE                      6
#  define NB_REG_GROUP_ICACHE                      4
#  define NB_REG_GROUP_MAC                         3
#  define NB_REG_GROUP_DEBUG                       22
#  define NB_REG_GROUP_PERFORMANCE_COUNTER         16
#  define NB_REG_GROUP_POWER_MANAGEMENT            1
#  define NB_REG_GROUP_PIC                         3
#  define NB_REG_GROUP_TICK_TIMER                  2
#  define NB_REG_GROUP_FLOATING_POINT              0
#  define NB_REG_GROUP_RESERVED_1                  0
#  define NB_REG_GROUP_RESERVED_2                  0
#  define NB_REG_GROUP_RESERVED_3                  0
#  define NB_REG_GROUP_RESERVED_4                  0
#  define NB_REG_GROUP_RESERVED_5                  0
#  define NB_REG_GROUP_RESERVED_6                  0
#  define NB_REG_GROUP_RESERVED_7                  0
#  define NB_REG_GROUP_RESERVED_8                  0
#  define NB_REG_GROUP_RESERVED_9                  0
#  define NB_REG_GROUP_RESERVED_10                 0
#  define NB_REG_GROUP_RESERVED_11                 0
#  define NB_REG_GROUP_RESERVED_12                 0
#  define NB_REG_GROUP_CUSTOM_1                    0
#  define NB_REG_GROUP_CUSTOM_2                    0
#  define NB_REG_GROUP_CUSTOM_3                    0
#  define NB_REG_GROUP_CUSTOM_4                    0
#  define NB_REG_GROUP_CUSTOM_5                    0
#  define NB_REG_GROUP_CUSTOM_6                    0
#  define NB_REG_GROUP_CUSTOM_7                    0
#  define NB_REG_GROUP_CUSTOM_8                    0
					           
					           
  // GROUP_MAC				           
#  define SPR_MACLO                                1          // MAC Low
#  define SPR_MACHI                                2          // MAC High

#  define NB_SPR_LOGIC                             2
#  define LOG2_NB_SPR_LOGIC                        1
  // SPR_LOGIC[0] = F
  // SPR_LOGIC[1] = Carry, Overflow
#  define SPR_LOGIC_SR_F                           0x0        // Status register bit F                   (size = 1)
#  define SPR_LOGIC_SR_CY_OV                       0x1        // Status register bit overflow and carry  (size = 2)

  //----------------------------------------------[ spr_mode_access ]-----

#  define SPR_ACCESS_MODE_NONE                     0x0        // 000
#  define SPR_ACCESS_MODE_READ_ONLY                0x1        // 001
#  define SPR_ACCESS_MODE_WRITE_ONLY               0x2        // 010
#  define SPR_ACCESS_MODE_READ_WRITE               0x3        // 011
#  define SPR_ACCESS_MODE_READ_ONLY_COND           0x5        // 101 special read

  //--------------------------------------------------------[ event ]-----
#  define SIZE_EVENT_STATE                         2

#  define EVENT_STATE_NO_EVENT                     0          // no event : current case
#  define EVENT_STATE_EVENT                        1          // Have a event : make necessary to manage the event
#  define EVENT_STATE_WAITEND                      2          // Wait end of manage event (restaure a good context)
#  define EVENT_STATE_END                          3          // CPU can continue

#  define SIZE_EVENT_TYPE                          3

#  define EVENT_TYPE_NONE                          0          // no event
#  define EVENT_TYPE_MISS_SPECULATION              1          // miss of speculation (load or branch miss speculation)
#  define EVENT_TYPE_EXCEPTION                     2          // exception or interruption occure
#  define EVENT_TYPE_BRANCH_NO_ACCURATE            3          // branch is no accurate (old speculation is a miss)
#  define EVENT_TYPE_SPR_ACCESS                    4          // decod a mtspr or mfspr instruction
#  define EVENT_TYPE_MSYNC                         5          // decod a memory   synchronization
#  define EVENT_TYPE_PSYNC                         6          // decod a pipeline synchronization
#  define EVENT_TYPE_CSYNC                         7          // decod a context  synchronization

  //-------------------------------------------------[ branch_state ]-----
#  define SIZE_BRANCH_STATE                        2

#  define BRANCH_STATE_NONE                        0x0        // 0 0
#  define BRANCH_STATE_NSPEC_TAKE                  0x1        // 0 1  -> incondionnal
#  define BRANCH_STATE_SPEC_NTAKE                  0x2        // 1 0
#  define BRANCH_STATE_SPEC_TAKE                   0x3        // 1 1

  //---------------------------------------------[ branch_condition ]-----

#  define SIZE_BRANCH_CONDITION                    4

#  define BRANCH_CONDITION_NONE_WITHOUT_WRITE_STACK          0x0        // None condition (jump)
#  define BRANCH_CONDITION_NONE_WITH_WRITE_STACK             0x8        // None condition (jump)
#  define BRANCH_CONDITION_FLAG_UNSET                        0x2        // Branch if Flag is clear
#  define BRANCH_CONDITION_FLAG_SET                          0x3        // Branch if Flag is set
#  define BRANCH_CONDITION_READ_REGISTER_WITHOUT_WRITE_STACK 0x4        // Branch if a register is read
#  define BRANCH_CONDITION_READ_REGISTER_WITH_WRITE_STACK    0xc        // Branch if a register is read
#  define BRANCH_CONDITION_READ_STACK                        0xf        // Branch with pop  in stack pointer

  //--------------------------------------------------[ instruction ]-----
#  define NB_INSTRUCTION                           213        // 92 ORBIS, 30 ORFPX (15 simple, 15 double), 91 ORVDX (38 on byte, 41 on half, 12 independant format)

  enum 
    {
      // ORBIS
      INSTRUCTION_L_ADD,
      INSTRUCTION_L_ADDC,
      INSTRUCTION_L_ADDI,
      INSTRUCTION_L_ADDIC,
      INSTRUCTION_L_AND,
      INSTRUCTION_L_ANDI,
      INSTRUCTION_L_BF,
      INSTRUCTION_L_BNF,
      INSTRUCTION_L_CMOV,
      INSTRUCTION_L_CSYNC,
      INSTRUCTION_L_CUST1,
      INSTRUCTION_L_CUST2,
      INSTRUCTION_L_CUST3,
      INSTRUCTION_L_CUST4,
      INSTRUCTION_L_CUST5,
      INSTRUCTION_L_CUST6,
      INSTRUCTION_L_CUST7,
      INSTRUCTION_L_CUST8,
      INSTRUCTION_L_DIV,
      INSTRUCTION_L_DIVU,
      INSTRUCTION_L_EXTBS,
      INSTRUCTION_L_EXTBZ,
      INSTRUCTION_L_EXTHS,
      INSTRUCTION_L_EXTHZ,
      INSTRUCTION_L_EXTWS,
      INSTRUCTION_L_EXTWZ,
      INSTRUCTION_L_FF1,
      INSTRUCTION_L_FL1,
      INSTRUCTION_L_J,
      INSTRUCTION_L_JAL,
      INSTRUCTION_L_JALR,
      INSTRUCTION_L_JR,
      INSTRUCTION_L_LBS,
      INSTRUCTION_L_LBZ,
      INSTRUCTION_L_LD,
      INSTRUCTION_L_LHS,
      INSTRUCTION_L_LHZ,
      INSTRUCTION_L_LWS,
      INSTRUCTION_L_LWZ,
      INSTRUCTION_L_MAC,
      INSTRUCTION_L_MACI,
      INSTRUCTION_L_MACRC,
      INSTRUCTION_L_MFSPR,
      INSTRUCTION_L_MOVHI,
      INSTRUCTION_L_MSB,
      INSTRUCTION_L_MSYNC,
      INSTRUCTION_L_MTSPR,
      INSTRUCTION_L_MUL,
      INSTRUCTION_L_MULI,
      INSTRUCTION_L_MULU,
      INSTRUCTION_L_NOP,
      INSTRUCTION_L_OR,
      INSTRUCTION_L_ORI,
      INSTRUCTION_L_PSYNC,
      INSTRUCTION_L_RFE,
      INSTRUCTION_L_ROR,
      INSTRUCTION_L_RORI,
      INSTRUCTION_L_SB,
      INSTRUCTION_L_SD,
      INSTRUCTION_L_SFEQ,
      INSTRUCTION_L_SFEQI,
      INSTRUCTION_L_SFGES,
      INSTRUCTION_L_SFGESI,
      INSTRUCTION_L_SFGEU,
      INSTRUCTION_L_SFGEUI,
      INSTRUCTION_L_SFGTS,
      INSTRUCTION_L_SFGTSI,
      INSTRUCTION_L_SFGTU,
      INSTRUCTION_L_SFGTUI,
      INSTRUCTION_L_SFLES,
      INSTRUCTION_L_SFLESI,
      INSTRUCTION_L_SFLEU,
      INSTRUCTION_L_SFLEUI,
      INSTRUCTION_L_SFLTS,
      INSTRUCTION_L_SFLTSI,
      INSTRUCTION_L_SFLTU,
      INSTRUCTION_L_SFLTUI,
      INSTRUCTION_L_SFNE,
      INSTRUCTION_L_SFNEI,
      INSTRUCTION_L_SH,
      INSTRUCTION_L_SLL,
      INSTRUCTION_L_SLLI,
      INSTRUCTION_L_SRA,
      INSTRUCTION_L_SRAI,
      INSTRUCTION_L_SRL,
      INSTRUCTION_L_SRLI,
      INSTRUCTION_L_SUB,
      INSTRUCTION_L_SW,
      INSTRUCTION_L_SYS,
      INSTRUCTION_L_TRAP,
      INSTRUCTION_L_XOR,
      INSTRUCTION_L_XORI,
      // ORFPX
      INSTRUCTION_LF_ADD_D,
      INSTRUCTION_LF_ADD_S,
      INSTRUCTION_LF_CUST1_D,
      INSTRUCTION_LF_CUST1_S,
      INSTRUCTION_LF_DIV_D,
      INSTRUCTION_LF_DIV_S,
      INSTRUCTION_LF_FTOI_D,
      INSTRUCTION_LF_FTOI_S,
      INSTRUCTION_LF_ITOF_D,
      INSTRUCTION_LF_ITOF_S,
      INSTRUCTION_LF_MADD_D,
      INSTRUCTION_LF_MADD_S,
      INSTRUCTION_LF_MUL_D,
      INSTRUCTION_LF_MUL_S,
      INSTRUCTION_LF_REM_D,
      INSTRUCTION_LF_REM_S,
      INSTRUCTION_LF_SFEQ_D,
      INSTRUCTION_LF_SFEQ_S,
      INSTRUCTION_LF_SFGE_D,
      INSTRUCTION_LF_SFGE_S,
      INSTRUCTION_LF_SFGT_D,
      INSTRUCTION_LF_SFGT_S,
      INSTRUCTION_LF_SFLE_D,
      INSTRUCTION_LF_SFLE_S,
      INSTRUCTION_LF_SFLT_D,
      INSTRUCTION_LF_SFLT_S,
      INSTRUCTION_LF_SFNE_D,
      INSTRUCTION_LF_SFNE_S,
      INSTRUCTION_LF_SUB_D,
      INSTRUCTION_LF_SUB_S,
      // ORVDX
      INSTRUCTION_LV_ADD_B,
      INSTRUCTION_LV_ADD_H,
      INSTRUCTION_LV_ADDS_B,
      INSTRUCTION_LV_ADDS_H,
      INSTRUCTION_LV_ADDU_B,
      INSTRUCTION_LV_ADDU_H,
      INSTRUCTION_LV_ADDUS_B,
      INSTRUCTION_LV_ADDUS_H,
      INSTRUCTION_LV_ALL_EQ_B,
      INSTRUCTION_LV_ALL_EQ_H,
      INSTRUCTION_LV_ALL_GE_B,
      INSTRUCTION_LV_ALL_GE_H,
      INSTRUCTION_LV_ALL_GT_B,
      INSTRUCTION_LV_ALL_GT_H,
      INSTRUCTION_LV_ALL_LE_B,
      INSTRUCTION_LV_ALL_LE_H,
      INSTRUCTION_LV_ALL_LT_B,
      INSTRUCTION_LV_ALL_LT_H,
      INSTRUCTION_LV_ALL_NE_B,
      INSTRUCTION_LV_ALL_NE_H,
      INSTRUCTION_LV_AND,
      INSTRUCTION_LV_ANY_EQ_B,
      INSTRUCTION_LV_ANY_EQ_H,
      INSTRUCTION_LV_ANY_GE_B,
      INSTRUCTION_LV_ANY_GE_H,
      INSTRUCTION_LV_ANY_GT_B,
      INSTRUCTION_LV_ANY_GT_H,
      INSTRUCTION_LV_ANY_LE_B,
      INSTRUCTION_LV_ANY_LE_H,
      INSTRUCTION_LV_ANY_LT_B,
      INSTRUCTION_LV_ANY_LT_H,
      INSTRUCTION_LV_ANY_NE_B,
      INSTRUCTION_LV_ANY_NE_H,
      INSTRUCTION_LV_AVG_B,
      INSTRUCTION_LV_AVG_H,
      INSTRUCTION_LV_CMP_EQ_B,
      INSTRUCTION_LV_CMP_EQ_H,
      INSTRUCTION_LV_CMP_GE_B,
      INSTRUCTION_LV_CMP_GE_H,
      INSTRUCTION_LV_CMP_GT_B,
      INSTRUCTION_LV_CMP_GT_H,
      INSTRUCTION_LV_CMP_LE_B,
      INSTRUCTION_LV_CMP_LE_H,
      INSTRUCTION_LV_CMP_LT_B,
      INSTRUCTION_LV_CMP_LT_H,
      INSTRUCTION_LV_CMP_NE_B,
      INSTRUCTION_LV_CMP_NE_H,
      INSTRUCTION_LV_CUST1,
      INSTRUCTION_LV_CUST2,
      INSTRUCTION_LV_CUST3,
      INSTRUCTION_LV_CUST4,
      INSTRUCTION_LV_MADDS_H,
      INSTRUCTION_LV_MAX_B,
      INSTRUCTION_LV_MAX_H,
      INSTRUCTION_LV_MERGE_B,
      INSTRUCTION_LV_MERGE_H,
      INSTRUCTION_LV_MIN_B,
      INSTRUCTION_LV_MIN_H,
      INSTRUCTION_LV_MSUBS_H,
      INSTRUCTION_LV_MULS_H,
      INSTRUCTION_LV_NAND,
      INSTRUCTION_LV_NOR,
      INSTRUCTION_LV_OR,
      INSTRUCTION_LV_PACK_B,
      INSTRUCTION_LV_PACK_H,
      INSTRUCTION_LV_PACKS_B,
      INSTRUCTION_LV_PACKS_H,
      INSTRUCTION_LV_PACKUS_B,
      INSTRUCTION_LV_PACKUS_H,
      INSTRUCTION_LV_PERM_N,
      INSTRUCTION_LV_RL_B,
      INSTRUCTION_LV_RL_H,
      INSTRUCTION_LV_SLL,
      INSTRUCTION_LV_SLL_B,
      INSTRUCTION_LV_SLL_H,
      INSTRUCTION_LV_SRA_B,
      INSTRUCTION_LV_SRA_H,
      INSTRUCTION_LV_SRL,
      INSTRUCTION_LV_SRL_B,
      INSTRUCTION_LV_SRL_H,
      INSTRUCTION_LV_SUB_B,
      INSTRUCTION_LV_SUB_H,
      INSTRUCTION_LV_SUBS_B,
      INSTRUCTION_LV_SUBS_H,
      INSTRUCTION_LV_SUBU_B,
      INSTRUCTION_LV_SUBU_H,
      INSTRUCTION_LV_SUBUS_B,
      INSTRUCTION_LV_SUBUS_H,
      INSTRUCTION_LV_UNPACK_B,
      INSTRUCTION_LV_UNPACK_H,
      INSTRUCTION_LV_XOR
    };

  //-----------------------------------------------[ Code Operation ]-----

#  define MAX_OPCOD_0                              64            // Instructions with immediat
#  define MAX_OPCOD_1                              64            // Instruction ORFPX32/64                  
#  define MAX_OPCOD_2                              256           // Instruction ORVDX64
#  define MAX_OPCOD_3                              256           // Instructions Register-Register
#  define MAX_OPCOD_4                              32            // Instructions "set flag" with register
#  define MAX_OPCOD_5                              32            // Instructions "set flag" with immediat
#  define MAX_OPCOD_6                              4             // Instruction Shift/Rotate with immediat
#  define MAX_OPCOD_7                              16            // Instructions multiply with HI-LO
#  define MAX_OPCOD_8                              2             // Instructions acces at HI-LO 
#  define MAX_OPCOD_9                              8             // Instructions special	
#  define MAX_OPCOD_10                             4             // Instructions no operation
#  define MAX_OPCOD_11                             4             // Instruction Shift/Rotate with register
#  define MAX_OPCOD_12                             4             // Instructions extend
#  define MAX_OPCOD_13                             4             // Instructions extend (64b)

// OPCOD_0                                         - [31:26]      Instructions with immediat
#  define OPCOD_L_J                                0x00          // 000_000
#  define OPCOD_L_JAL                              0x01          // 000_001
#  define OPCOD_L_BNF                              0x03          // 000_011
#  define OPCOD_L_BF                               0x04          // 000_100
#  define OPCOD_L_RFE                              0x09          // 001_001
#  define OPCOD_L_JR                               0x11          // 010_001
#  define OPCOD_L_JALR                             0x12          // 010_010
#  define OPCOD_L_MACI                             0x13          // 010_011
#  define OPCOD_L_CUST1                            0x1c          // 011_100
#  define OPCOD_L_CUST2                            0x1d          // 011_101
#  define OPCOD_L_CUST3                            0x1e          // 011_110
#  define OPCOD_L_CUST4                            0x1f          // 011_111
#  define OPCOD_L_CUST5                            0x3c          // 111_100
#  define OPCOD_L_CUST6                            0x3d          // 111_101
#  define OPCOD_L_CUST7                            0x3e          // 111_110
#  define OPCOD_L_CUST8                            0x3f          // 111_111
#  define OPCOD_L_LD                               0x20          // 100_000
#  define OPCOD_L_LWZ                              0x21          // 100_001
#  define OPCOD_L_LWS                              0x22          // 100_010
#  define OPCOD_L_LBZ                              0x23          // 100_011
#  define OPCOD_L_LBS                              0x24          // 100_100
#  define OPCOD_L_LHZ                              0x25          // 100_101
#  define OPCOD_L_LHS                              0x26          // 100_110
#  define OPCOD_L_ADDI                             0x27          // 100_111
#  define OPCOD_L_ADDIC                            0x28          // 101_000
#  define OPCOD_L_ANDI                             0x29          // 101_001
#  define OPCOD_L_ORI                              0x2a          // 101_010
#  define OPCOD_L_XORI                             0x2b          // 101_011
#  define OPCOD_L_MULI                             0x2c          // 101_100
#  define OPCOD_L_MFSPR                            0x2d          // 101_101
#  define OPCOD_L_MTSPR                            0x30          // 110_000
#  define OPCOD_L_SD                               0x34          // 110_100
#  define OPCOD_L_SW                               0x35          // 110_101
#  define OPCOD_L_SB                               0x36          // 110_110
#  define OPCOD_L_SH                               0x37          // 110_111
				                   
#  define OPCOD_1                                  0x33          // 110_011         // Instruction ORFPX32/64
#  define OPCOD_2                                  0x0a          // 001_010         // Instruction ORVDX64
#  define OPCOD_3                                  0x38          // 111_000         // Instructions Register-Register
#  define OPCOD_4                                  0x39          // 111_001         // Instructions "set flag" with register
#  define OPCOD_5                                  0x2f          // 101_111         // Instructions "set flag" with immediat
#  define OPCOD_6                                  0x2e          // 101_110         // Instruction Shift/Rotate with immediat
#  define OPCOD_7                                  0x31          // 110_001         // Instructions multiply with HI-LO
#  define OPCOD_8                                  0x06          // 000_110         // Instructions acces at HI-LO 
#  define OPCOD_9                                  0x08          // 001_000         // Instructions special
#  define OPCOD_10                                 0x05          // 000_101         // Instructions no operation
				                   
// OPCOD_3         instructions                    - [9:8] [3:0]  Instructions Register-Register
#  define OPCOD_L_ADD                              0x00          // 00_0000
#  define OPCOD_L_ADDC                             0x01          // 00_0001
#  define OPCOD_L_SUB                              0x02          // 00_0010
#  define OPCOD_L_AND                              0x03          // 00_0011
#  define OPCOD_L_OR                               0x04          // 00_0100
#  define OPCOD_L_XOR                              0x05          // 00_0101
#  define OPCOD_L_CMOV                             0x0e          // 00_1110
#  define OPCOD_L_FF1                              0x0f          // 00_1111
#  define OPCOD_L_FL1                              0x1f          // 01_1111
#  define OPCOD_L_MUL                              0x36          // 11_0110
#  define OPCOD_L_DIV                              0x39          // 11_1001
#  define OPCOD_L_DIVU                             0x3a          // 11_1010
#  define OPCOD_L_MULU                             0x3b          // 11_1011
				                   
#  define OPCOD_11                                 0x8           // 1000          // Instruction Shift/Rotate with register
#  define OPCOD_12                                 0xc           // 1100          // Instructions extend
#  define OPCOD_13                                 0xd           // 1101          // Instructions extend (64b)
				                   
// OPCOD_4         instructions                    - [25:21]      Instructions "set flag" with register
#  define OPCOD_L_SFEQ                             0x00          // 00000
#  define OPCOD_L_SFNE                             0x01          // 00001
#  define OPCOD_L_SFGTU                            0x02          // 00010
#  define OPCOD_L_SFGEU                            0x03          // 00011
#  define OPCOD_L_SFLTU                            0x04          // 00100
#  define OPCOD_L_SFLEU                            0x05          // 00101
#  define OPCOD_L_SFGTS                            0x0a          // 01010
#  define OPCOD_L_SFGES                            0x0b          // 01011
#  define OPCOD_L_SFLTS                            0x0c          // 01100
#  define OPCOD_L_SFLES                            0x0d          // 01101
				                   
// OPCOD_5         instructions                    - [25:21]      Instructions "set flag" with immediat
#  define OPCOD_L_SFEQI                            0x00          // 00000
#  define OPCOD_L_SFNEI                            0x01          // 00001
#  define OPCOD_L_SFGTUI                           0x02          // 00010
#  define OPCOD_L_SFGEUI                           0x03          // 00011
#  define OPCOD_L_SFLTUI                           0x04          // 00100
#  define OPCOD_L_SFLEUI                           0x05          // 00101
#  define OPCOD_L_SFGTSI                           0x0a          // 01010
#  define OPCOD_L_SFGESI                           0x0b          // 01011
#  define OPCOD_L_SFLTSI                           0x0c          // 01100
#  define OPCOD_L_SFLESI                           0x0d          // 01101
				                   
// OPCOD_6         instructions                    - [7:6]        Instruction Shift/Rotate with immediat
#  define OPCOD_L_SLLI                             0x0           // 00
#  define OPCOD_L_SRLI                             0x1           // 01
#  define OPCOD_L_SRAI                             0x2           // 10
#  define OPCOD_L_RORI                             0x3           // 11
				                   
// OPCOD_7         instructions                    - [3:0]        Instructions multiply with HI-LO
#  define OPCOD_L_MAC                              0x1           // 0001
#  define OPCOD_L_MSB                              0x2           // 0010
				                   
// OPCOD_8         instructions                    - [17]         Instructions acces at HI-LO 
#  define OPCOD_L_MOVHI                            0x0           // 0
#  define OPCOD_L_MACRC                            0x1           // 1

// OPCOD_9         instructions                    - [25:23]      Instruction special
#  define OPCOD_L_SYS                              0x0           // 000
#  define OPCOD_L_TRAP                             0x2           // 010
#  define OPCOD_L_MSYNC                            0x4           // 100
#  define OPCOD_L_PSYNC                            0x5           // 101
#  define OPCOD_L_CSYNC                            0x6           // 110

// OPCOD_10        instructions                    - [25:24]      Instruction no operation
#  define OPCOD_L_NOP                              0x1           // 01
				                   
// OPCOD_11        instructions                    - [7:6]        Instruction Shift/Rotate with register
#  define OPCOD_L_SLL                              0x0           // 00
#  define OPCOD_L_SRL                              0x1           // 01
#  define OPCOD_L_SRA                              0x2           // 10
#  define OPCOD_L_ROR                              0x3           // 11
				                   
// OPCOD_12        instructions                    - [9:6]          Instructions extend
#  define OPCOD_L_EXTHS                            0x0           // 0000
#  define OPCOD_L_EXTHZ                            0x2           // 0010
#  define OPCOD_L_EXTBS                            0x1           // 0001
#  define OPCOD_L_EXTBZ                            0x3           // 0011
				                   
// OPCOD_13        instructions                    - [9:6]        Instructions extend (64b)
#  define OPCOD_L_EXTWS                            0x0           // 0000
#  define OPCOD_L_EXTWZ                            0x1           // 0001

  /*

  //--------------------------------------------------[ destination ]-----
#define                 _size_destination1            4

#define                  cst_DESTINATION1_NONE        0x0
#define                 mask_DESTINATION1_GPR         0x1
#define                 mask_DESTINATION1_MEMORY      0x2
#define                 mask_DESTINATION1_SPR         0x4
#define                 mask_DESTINATION1_MAC_UNIT    0x8
  
#define                 _size_destination2  3

#define                  cst_DESTINATION2_NONE        0x0
#define                 mask_DESTINATION2_COMMIT      0x1
#define                 mask_DESTINATION2_MEMORY      0x2
#define                 mask_DESTINATION2_SPR         0x4
  
  //----------------------------------------------------[ exec_flag ]-----
#define                 _size_exec_flag               2

#define                 mask_EXEC_FLAG_NONE           0x1
#define                 mask_EXEC_FLAG_CARRY          0x1
#define                 mask_EXEC_FLAG_FLAG           0x1
#define                 mask_EXEC_FLAG_OVERFLOW       0x2

  //---------------------------------------------------[ exec_excep ]-----
#define                  _size_exec_excep             1

#define                 mask_EXEC_EXCEP_NONE          0x0
#define                 mask_EXEC_EXCEP_RANGE         0x1
  
  //----------------------------------------------------[ Condition ]-----
#define                 _size_condition               3
    
#define                  cst_CONDITION_UNCONDITIONAL  0x0           // None condition (jump)
#define                 mask_CONDITION_CONDITIONAL    0x2           
#define                 mask_CONDITION_CONDITIONAL_NF 0x0           // Branch if Flag is clear 
#define                 mask_CONDITION_CONDITIONAL_F  0x1           // Branch if Flag is set   
#define                 mask_CONDITION_REG            0x4           // Branch if a register is read
#define                 mask_CONDITION_STACK          0x8           // Branch with pop  in stack pointer

  */

  /*
#define M_CPU_SIZE_INST       32

//----------------------------------------------------
// Exception type
//----------------------------------------------------

#define M_CPU_LOG2_NB_EXCP    5
#define M_CPU_NB_EXCP         32

#define EXCP_NO               0x00          // none exception
#define EXCP_RESET            0x01          // software or hardware reset
#define EXCP_BERR             0x02          // Access at a invalid physical adress
#define EXCP_D_PAGE           0x03          // No matching or page violation protection in pages tables
#define EXCP_I_PAGE           0x04          // No matching or page violation protection in pages tables
#define EXCP_TICK_TIMER       0x05          // Tick timer interruption
#define EXCP_ALIGNMENT        0x06          // Load/Store access is not aligned
#define EXCP_ILL_INST         0x07          // Instruction is illegal (no implemented)
#define EXCP_IRQ              0x08          // External interruption 
#define EXCP_D_TLB            0x09          // DTLB miss
#define EXCP_I_TLB            0x0a          // ITLB miss
#define EXCP_RANGE            0x0b          // Overflow or access at a unimplemented register or context
#define EXCP_SYSCALL          0x0c          // System Call
#define EXCP_FP               0x0d          // Caused by a floating instruction
#define EXCP_TRAP             0x0e          // L.trap or debug unit
#define EXCP_RES0             0x0f          // Reserved for a futur usage
#define EXCP_RES1             0x10          // Reserved for a futur usage
#define EXCP_RES2             0x11          // Reserved for a futur usage
#define EXCP_RES3             0x12          // Reserved for a futur usage
#define EXCP_RES4             0x13          // Reserved for a futur usage
#define EXCP_RES5             0x14          // Reserved for a futur usage
#define EXCP_RES6             0x15          // Reserved for implemented specific exceptions
#define EXCP_RES7             0x16          // Reserved for implemented specific exceptions
#define EXCP_RES8             0x17          // Reserved for implemented specific exceptions
#define EXCP_RES9             0x18          // Reserved for implemented specific exceptions
#define EXCP_CUST0            0x19          // Reserved for custom exceptions
#define EXCP_CUST1            0x1a          // Reserved for custom exceptions
#define EXCP_CUST2            0x1b          // Reserved for custom exceptions
#define EXCP_CUST3            0x1c          // Reserved for custom exceptions
#define EXCP_CUST4            0x1d          // Reserved for custom exceptions
#define EXCP_CUST5            0x1e          // Reserved for custom exceptions
#define EXCP_CUST6            0x1f          // Reserved for custom exceptions

//----------------------------------------------------
// Flags
//----------------------------------------------------

#define M_CPU_NB_FLAG         3

// Integer flags
#define FLAG_F                0x1           // Conditionnal branch flag
#define FLAG_CY               0x2           // Carry was produced by last arithmétic operation
#define FLAG_OV               0x4           // Overflow occured during last arithmetic operation

// Floating flags
#define FLAG_OVF              0x004         // Overflow occured during last arithmetic operation
#define FLAG_UNF              0x008         // Underflow flags
#define FLAG_SNF              0x010         // Result SNAN
#define FLAG_QNF              0x020         // Result QNAN
#define FLAG_ZF               0x040         // Result is nul
#define FLAG_IXF              0x080         // Result is inexact
#define FLAG_IVF              0x100         // Result is invalid
#define FLAG_INF              0x200         // Result is infinite
#define FLAG_DZF              0x400         // Division by zero

// Position of flag in "rename register SR" (NOT IN "SR")
#define FLAG_POS_F            0x0           // Conditionnal branch flag
#define FLAG_POS_CY           0x1           // Carry was produced by last arithmétic operation
#define FLAG_POS_OV           0x0           // Overflow occured during last arithmetic operation

//----------------------------------------------------
// Instruction type
//----------------------------------------------------

#define M_CPU_LOG2_NB_TYPE    4

#define TYPE_NOP              0x0
#define TYPE_ALU_F            0x1           // Instruction ALU with    flag using (ADD, SUB, ADDC ...)
#define TYPE_ALU_NF           0x2           // Instruction ALU without flag using (AND, OR ...)
#define TYPE_MAC              0x3           // Instruction ALU with    utilisation of register HI/LO
#define TYPE_J                0x4           // Branch instruction
#define TYPE_SPR_READ         0x5           // Instruction special : l.mfspr
#define TYPE_SPR_WRITE        0x6           // Instruction special : l.mtspr
#define TYPE_SPECIAL          0x7           // Instruction execute in decode stage
#define TYPE_CUSTOM           0x8           // Instruction Custom

#define TYPE_LOAD_Z           0x9           // Load  access (extended by zero)
#define TYPE_LOAD_S           0xa           // Load  access (sign extended)
#define TYPE_STORE            0xc           // Store access

//----------------------------------------------------
// Condition to branch
//----------------------------------------------------

#define M_CPU_LOG2_NB_COND    4

#define COND_NONE             0x0           // None condition (jump)
#define COND_F                0x2           // Branch if Flag is set
#define COND_NF               0x3           // Branch if Flag is clear
#define COND_REG              0x4           // Branch if a register is read
#define COND_STACK            0x8           // Branch with pop  in stack pointer

//----------------------------------------------------
// Event : State and Type
//----------------------------------------------------

#define EVENT_STATE_NO_EVENT  0             // no event : current case
#define EVENT_STATE_EVENT     1             // Have a event : make necessary to manage the event
#define EVENT_STATE_WAITEND   2             // Wait end of manage event (restaure a good context)
#define EVENT_STATE_END       3             // CPU can continue

#define EVENT_TYPE_MISS       0             // miss of speculation
#define EVENT_TYPE_EXCP       1             // exception or interruption occure

// SPEC? TAKE?
#define BRANCH_STATE_NONE         0  // 0     0
#define BRANCH_STATE_NSPEC_TAKE   1  // 0     1  -> incondionnal
#define BRANCH_STATE_SPEC_NTAKE   2  // 1     0
#define BRANCH_STATE_SPEC_TAKE    3  // 1     1

//----------------------------------------------------
// Name to particular register
//----------------------------------------------------

//~~~~~~~~~~~~~~~~~~~~~~~~~~
// GENERAL PURPOSE REGISTER
//~~~~~~~~~~~~~~~~~~~~~~~~~~
#define M_CPU_LOG2_NB_GPR_LOG 5
#define M_CPU_NB_GPR_LOG      (1<<M_CPU_LOG2_NB_GPR_LOG)

#define GPR_LOG_LR            0x09          // Link register
#define REG_PHY_SR            0x00          // Status register

//~~~~~~~~~~~~~~~~~~~~~~~~~~
// SPECIAL PURPOSE REGISTER
//~~~~~~~~~~~~~~~~~~~~~~~~~~
#define M_CPU_LOG2_NB_SPR_LOG 1
#define M_CPU_NB_SPR_LOG      (1<<M_CPU_LOG2_NB_SPR_LOG)
#define M_CPU_SPR_SIZE_DATA   2             // Size of the most great register 

#define SPR_LOG_SR_F          0x00          // Status register bit F                   (size = 1)
#define SPR_LOG_SR_CY_OV      0x01          // Status register bit overflow and carry  (size = 2)
//#define SPR_LOG_SR_LO         0x02          // MAC LSB                                 (size = 32)
//#define SPR_LOG_SR_HI         0x03          // MAC MSB                                 (size = 32)
  */

  /*
  */

}; // end namespace behavioural
}; // end namespace morpheo              

#endif