riscv/devices.cc

   1 #include "devices.h"
   2
   3 void bus_t::add_device(reg_t addr, abstract_device_t* dev)
   4 {
   5   devices[-addr] = dev;
   6 }
   7
   8 bool bus_t::load(reg_t addr, size_t len, uint8_t* bytes)
   9 {
  10   fprintf(stderr, "bus load(0x%lx, %ld)\n", addr, len);
  11   auto it = devices.lower_bound(-addr);
  12   if (it == devices.end()) {
  13       fprintf(stderr, "  -> false\n");
  14     return false;
  15   }
  16   return it->second->load(addr - -it->first, len, bytes);
  17 }
  18
  19 bool bus_t::store(reg_t addr, size_t len, const uint8_t* bytes)
  20 {
  21   auto it = devices.lower_bound(-addr);
  22   if (it == devices.end())
  23     return false;
  24   return it->second->store(addr - -it->first, len, bytes);
  25 }