From 642818ae5ff61c1544bcce9e7ba2dd0aea47ea6a Mon Sep 17 00:00:00 2001
From: Deval Shah <deval281shah@gmail.com>
Date: Fri, 9 Nov 2018 21:29:18 -0800
Subject: Adding checkpoint support

---
 src/cuda-sim/instructions.cc | 56 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

(limited to 'src/cuda-sim/instructions.cc')

diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc
index f57a3f7..31a33c6 100644
--- a/src/cuda-sim/instructions.cc
+++ b/src/cuda-sim/instructions.cc
@@ -183,7 +183,63 @@ void ptx_thread_info::set_reg( const symbol *reg, const ptx_reg_t &value )
    m_last_set_operand_value = value;
 }
 
+void ptx_thread_info::print_reg_thread(char * fname)
+{
+
+  FILE *fp= fopen(fname,"w");
+  assert(fp!=NULL);
+
+  int size = m_regs.size();
+  
+  if(size>0)
+  {  
+  reg_map_t reg = m_regs.back();
+  
+      typename reg_map_t::const_iterator it;
+      for (it = reg.begin(); it != reg.end(); ++it) 
+        {
+          const std::string &name = it->first->name();
+          const std::string &dec= it->first->decl_location();
+          unsigned size = it->first->get_size_in_bytes();
+          fprintf(fp,"%s %llu %s %d\n",name.c_str(),it->second, dec.c_str(),size );
+          
+        }
+   //m_regs.pop_back();     
+  }
+  fclose(fp);
+
+  }
+
+void ptx_thread_info::resume_reg_thread(char * fname, symbol_table * symtab)
+{
+
 
+      FILE * fp2 = fopen(fname, "r");
+      assert(fp2!=NULL);
+      //m_regs.push_back( reg_map_t() );
+      char line [ 200 ];
+      while ( fgets ( line, sizeof line, fp2 ) != NULL )
+      {
+          symbol *reg;
+          char * pch;
+          unsigned size;
+          pch = strtok (line," ");
+          char * name =pch;
+          reg= symtab->lookup(name);
+          ptx_reg_t data;
+          pch = strtok (NULL," "); 
+          data = atoi(pch);
+          pch = strtok (NULL," ");
+          char * decl= pch;
+          pch = strtok (NULL," ");
+          size = atoi(pch);
+
+
+          m_regs.back()[reg] = data;
+      }
+      fclose ( fp2 );
+}
+    
 
 ptx_reg_t ptx_thread_info::get_reg( const symbol *reg )
 {
-- 
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