Disassemble RVC instructions based on XLEN

[riscv-isa-sim.git] / spike_main / spike-dasm.cc

diff --git a/spike_main/spike-dasm.cc b/spike_main/spike-dasm.cc
index 7f15db0bb168be15967d1b14572cba92f75087bb..2852835a6dca5ee9947dda96a2b91b4b84a40f06 100644 (file)
--- a/spike_main/spike-dasm.cc
+++ b/spike_main/spike-dasm.cc
@@ -17,11 +17,17 @@ using namespace std;
 int main(int argc, char** argv)
 {
   string s;
-  disassembler_t d;
+  const char* isa = DEFAULT_ISA;
 
   std::function<extension_t*()> extension;
   option_parser_t parser;
   parser.option(0, "extension", 1, [&](const char* s){extension = find_extension(s);});
+  parser.option(0, "isa", 1, [&](const char* s){isa = s;});
+  parser.parse(argv);
+
+  processor_t p(isa, 0, 0);
+  if (extension)
+    p.register_extension(extension());
 
   while (getline(cin, s))
   {
@@ -38,7 +44,7 @@ int main(int argc, char** argv)
       if (nbits < 64)
         bits = bits << (64 - nbits) >> (64 - nbits);
 
-      string dis = d.disassemble(bits);
+      string dis = p.get_disassembler()->disassemble(bits);
       s = s.substr(0, start) + dis + s.substr(end+1);
       start += dis.length();
     }