hwacha/hwacha.h

   1 #ifndef _HWACHA_H
   2 #define _HWACHA_H
   3
   4 #include "extension.h"
   5
   6 struct ct_state_t
   7 {
   8   void reset();
   9
  10   uint32_t nxpr;
  11   uint32_t nfpr;
  12   uint32_t maxvl;
  13   uint32_t vl;
  14   uint32_t count;
  15   uint32_t prec;
  16
  17   reg_t vf_pc;
  18 };
  19
  20 struct ut_state_t
  21 {
  22   void reset();
  23
  24   bool run;
  25   regfile_t<reg_t, 32, true> XPR;
  26   regfile_t<reg_t, 32, false> FPR;
  27 };
  28
  29 class hwacha_t : public extension_t
  30 {
  31 public:
  32   hwacha_t() : cause(0), aux(0), debug(false) {}
  33   std::vector<insn_desc_t> get_instructions();
  34   std::vector<disasm_insn_t*> get_disasms();
  35   const char* name() { return "hwacha"; }
  36   void reset();
  37   void set_debug(bool value) { debug = value; }
  38
  39   ct_state_t* get_ct_state() { return &ct_state; }
  40   ut_state_t* get_ut_state(int idx) { return &ut_state[idx]; }
  41   bool vf_active();
  42   reg_t get_cause() { return cause; }
  43   reg_t get_aux() { return aux; }
  44   void take_exception(reg_t, reg_t);
  45   void clear_exception() { clear_interrupt(); }
  46
  47   bool get_debug() { return debug; }
  48   disassembler_t* get_ut_disassembler() { return &ut_disassembler; }
  49
  50   static const int max_uts = 2048;
  51
  52 private:
  53   ct_state_t ct_state;
  54   ut_state_t ut_state[max_uts];
  55   reg_t cause;
  56   reg_t aux;
  57
  58   disassembler_t ut_disassembler;
  59   bool debug;
  60 };
  61
  62 #endif