riscv/insn_header.h

   1 #include "processor.h"
   2 #include "common.h"
   3 #include "config.h"
   4 #include "sim.h"
   5 #include "softfloat.h"
   6 #include "platform.h" // softfloat isNaNF32UI, etc.
   7 #include "internals.h" // ditto
   8
   9 #define DECLARE_INSN(name, opcode, mask) \
  10   const uint32_t MATCH_ ## name = opcode; \
  11   const uint32_t MASK_ ## name = mask;
  12 #include "opcodes.h"
  13 #undef DECLARE_INSN
  14
  15 reg_t processor_t::FUNC (insn_t insn, reg_t pc)
  16 {
  17   #define MASK (~(DISPATCH_TABLE_SIZE-1) & OPCODE_MASK)
  18   #define MATCH (~(DISPATCH_TABLE_SIZE-1) & OPCODE_MATCH)
  19   if(unlikely((insn.bits & MASK) != MATCH))
  20     throw trap_illegal_instruction;
  21
  22   reg_t npc = pc + insn_length(OPCODE_MATCH);