riscv/debug_module.h

   1 // See LICENSE for license details.
   2 #ifndef _RISCV_DEBUG_MODULE_H
   3 #define _RISCV_DEBUG_MODULE_H
   4
   5 #include <set>
   6
   7 #include "devices.h"
   8
   9 class debug_module_t : public abstract_device_t
  10 {
  11   public:
  12     debug_module_t();
  13
  14     bool load(reg_t addr, size_t len, uint8_t* bytes);
  15     bool store(reg_t addr, size_t len, const uint8_t* bytes);
  16     char* page(reg_t paddr);
  17
  18     void ram_write32(unsigned int index, uint32_t value);
  19     uint32_t ram_read32(unsigned int index);
  20
  21     void set_interrupt(uint32_t hartid) {
  22       fprintf(stderr, "set debug interrupt 0x%x\n", hartid);
  23       interrupt.insert(hartid);
  24     }
  25     void clear_interrupt(uint32_t hartid) {
  26       fprintf(stderr, "clear debug interrupt 0x%x\n", hartid);
  27       interrupt.erase(hartid);
  28     }
  29     bool get_interrupt(uint32_t hartid) const {
  30       return interrupt.find(hartid) != interrupt.end();
  31     }
  32
  33   private:
  34     // Track which interrupts from module to debugger are set.
  35     std::set<uint32_t> interrupt;
  36     // TODO: use PGSIZE, which requires solving some circular include dependencies.
  37     char raw_page[4096];
  38 };
  39
  40 #endif