riscv/extension.cc

   1 // See LICENSE for license details.
   2
   3 #include "extension.h"
   4 #include "trap.h"
   5
   6 extension_t::~extension_t()
   7 {
   8 }
   9
  10 void extension_t::illegal_instruction()
  11 {
  12   throw trap_illegal_instruction();
  13 }
  14
  15 void extension_t::raise_interrupt()
  16 {
  17   reg_t prv = p->get_state()->prv;
  18   reg_t mie = get_field(p->get_state()->mstatus, MSTATUS_MIE);
  19
  20   if (prv < PRV_M || (prv == PRV_M && mie))
  21     p->raise_interrupt(IRQ_COP);
  22
  23   throw std::logic_error("a COP exception was posted, but interrupts are disabled!");
  24 }
  25
  26 void extension_t::clear_interrupt()
  27 {
  28 }