zpu/sw/emulation/zpu-opcodes.h

   1 /** \file zpu-opcodes.h
   2  *
   3  * Basic ZPU opcode definitions
   4  *
   5  * 2011, <hackfin@section5.ch>
   6  *
   7  */
   8
   9 /** This is also the opcode for leaving emulation */
  10 #define OPCODE_BREAK          0x00
  11
  12 /* ZPU basic opcodes that are supported by emulation */
  13
  14 #define OPCODE_IM             0x80
  15 #define OPCODE_NOP            0x0b
  16 #define OPCODE_LOAD           0x08
  17 #define OPCODE_STORE          0x0c
  18 #define OPCODE_LOADSP         0x60
  19 // Dunno why, but this bit wants to be inverted in the offset field:
  20 #       define LOADSP_INV         0x10
  21 #define OPCODE_PUSHSP         0x02
  22 #define OPCODE_POPSP          0x0d
  23 #define OPCODE_POPPC          0x04
  24
  25 /* Special opcode: Leave emulation */
  26 #define OPCODE_EMULEAVE       OPCODE_BREAK