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-rw-r--r--src/sim/pseudo_inst.cc45
1 files changed, 44 insertions, 1 deletions
diff --git a/src/sim/pseudo_inst.cc b/src/sim/pseudo_inst.cc
index 647420ca1..4e6c46f8e 100644
--- a/src/sim/pseudo_inst.cc
+++ b/src/sim/pseudo_inst.cc
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010 ARM Limited
+ * Copyright (c) 2010-2011 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
@@ -50,6 +50,7 @@
#include "arch/vtophys.hh"
#include "base/debug.hh"
+#include "base/output.hh"
#include "config/full_system.hh"
#include "config/the_isa.hh"
#include "cpu/base.hh"
@@ -358,6 +359,48 @@ readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
return result;
}
+uint64_t
+writefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset,
+ Addr filename_addr)
+{
+ ostream *os;
+
+ // copy out target filename
+ char fn[100];
+ std::string filename;
+ CopyStringOut(tc, fn, filename_addr, 100);
+ filename = std::string(fn);
+
+ if (offset == 0) {
+ // create a new file (truncate)
+ os = simout.create(filename, true);
+ } else {
+ // do not truncate file if offset is non-zero
+ // (ios::in flag is required as well to keep the existing data
+ // intact, otherwise existing data will be zeroed out.)
+ os = simout.openFile(simout.directory() + filename,
+ ios::in | ios::out | ios::binary);
+ }
+ if (!os)
+ panic("could not open file %s\n", filename);
+
+ // seek to offset
+ os->seekp(offset);
+
+ // copy out data and write to file
+ char *buf = new char[len];
+ CopyOut(tc, buf, vaddr, len);
+ os->write(buf, len);
+ if (os->fail() || os->bad())
+ panic("Error while doing writefile!\n");
+
+ simout.close(os);
+
+ delete [] buf;
+
+ return len;
+}
+
#endif
void