From 5cf439b24e945db47edf6e259044c923384ccdfd Mon Sep 17 00:00:00 2001
From: Jerry Zhao <jerryz123@berkeley.edu>
Date: Fri, 14 Oct 2022 11:41:58 -0700
Subject: Add dump memory command to interactive mode

---
 riscv/devices.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'riscv/devices.cc')

diff --git a/riscv/devices.cc b/riscv/devices.cc
index eb677a5..81b232d 100644
--- a/riscv/devices.cc
+++ b/riscv/devices.cc
@@ -137,3 +137,16 @@ char* mem_t::contents(reg_t addr) {
   }
   return search->second + pgoff;
 }
+
+void mem_t::dump(std::ostream& o) {
+  const char empty[PGSIZE] = {0};
+  for (reg_t i = 0; i < sz; i += PGSIZE) {
+    reg_t ppn = i >> PGSHIFT;
+    auto search = sparse_memory_map.find(ppn);
+    if (search == sparse_memory_map.end()) {
+      o.write(empty, PGSIZE);
+    } else {
+      o.write(sparse_memory_map[ppn], PGSIZE);
+    }
+  }
+}
-- 
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