hwacha/hwacha.cc

   1 #include "hwacha.h"
   2
   3 void ct_state_t::reset()
   4 {
   5   vl = 0;
   6   maxvl = 32;
   7   nxpr = 32;
   8   nfpr = 32;
   9
  10   vf_pc = -1;
  11 }
  12
  13 void ut_state_t::reset()
  14 {
  15   run = false;
  16   XPR.reset();
  17   FPR.reset();
  18 }
  19
  20 hwacha_t::hwacha_t()
  21 {
  22   ct_state.reset();
  23   for (int i=0; i<max_uts; i++)
  24     ut_state[i].reset();
  25 }
  26
  27 std::vector<insn_desc_t> hwacha_t::get_instructions()
  28 {
  29   std::vector<insn_desc_t> insns;
  30   #define DECLARE_INSN(name, match, mask) \
  31     extern reg_t hwacha_##name(processor_t*, insn_t, reg_t); \
  32     insns.push_back((insn_desc_t){match, mask, &::illegal_instruction, hwacha_##name});
  33   #include "opcodes_hwacha.h"
  34   #undef DECLARE_INSN
  35   return insns;
  36 }
  37
  38 bool hwacha_t::vf_active()
  39 {
  40   for (int i=0; i<get_ct_state()->vl; i++) {
  41     if (get_ut_state(i)->run)
  42       return true;
  43   }
  44
  45   return false;
  46 }