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
  16   reg_t vf_pc;
  17 };
  18
  19 struct ut_state_t
  20 {
  21   void reset();
  22
  23   bool run;
  24   regfile_t<reg_t, 32, true> XPR;
  25   regfile_t<reg_t, 32, false> FPR;
  26 };
  27
  28 class hwacha_t : public extension_t
  29 {
  30 public:
  31   hwacha_t() : cause(0), aux(0), debug(false) {}
  32   std::vector<insn_desc_t> get_instructions();
  33   std::vector<disasm_insn_t*> get_disasms();
  34   const char* name() { return "hwacha"; }
  35   void reset();
  36   void set_debug(bool value) { debug = value; }
  37
  38   ct_state_t* get_ct_state() { return &ct_state; }
  39   ut_state_t* get_ut_state(int idx) { return &ut_state[idx]; }
  40   bool vf_active();
  41   reg_t get_cause() { return cause; }
  42   reg_t get_aux() { return aux; }
  43   void take_exception(reg_t, reg_t);
  44   void clear_exception() { clear_interrupt(); }
  45
  46   bool get_debug() { return debug; }
  47   disassembler_t* get_ut_disassembler() { return &ut_disassembler; }
  48
  49   static const int max_uts = 2048;
  50
  51 private:
  52   ct_state_t ct_state;
  53   ut_state_t ut_state[max_uts];
  54   reg_t cause;
  55   reg_t aux;
  56
  57   disassembler_t ut_disassembler;
  58   bool debug;
  59 };
  60
  61 REGISTER_EXTENSION(hwacha, []() { return new hwacha_t; })
  62
  63 #endif