Add debug_module bus device.

[riscv-isa-sim.git] / riscv / devices.cc

diff --git a/riscv/devices.cc b/riscv/devices.cc
index c7a63b0044b87e5a9a5dbd3df2958abd95699cd5..e6f5d7d0912b1672d8fda9f9adfec8710a856105 100644 (file)
--- a/riscv/devices.cc
+++ b/riscv/devices.cc
@@ -20,3 +20,11 @@ bool bus_t::store(reg_t addr, size_t len, const uint8_t* bytes)
     return false;
   return it->second->store(addr - -it->first, len, bytes);
 }
+
+char* bus_t::page(reg_t paddr)
+{
+  auto it = devices.lower_bound(-paddr);
+  if (it == devices.end())
+    return NULL;
+  return it->second->page(paddr);
+}