util: add m5_fail op.

Used as a command in full-system scripts helps the user ensure the benchmarks have finished successfully.

For example, one can use:

    /path/to/benchmark args || /sbin/m5 fail 1

and thus ensure gem5 will exit with an error if the benchmark fails.

1 files changed, 1 insertions, 0 deletions

diff --git a/util/m5/m5op.h b/util/m5/m5op.h
index 9e693258e..9df9a7429 100644
--- a/util/m5/m5op.h
+++ b/util/m5/m5op.h
@@ -47,6 +47,7 @@ uint64_t rpns();
 void wakeCPU(uint64_t cpuid);
 
 void m5_exit(uint64_t ns_delay);
+void m5_fail(uint64_t ns_delay, uint64_t code);
 uint64_t m5_initparam(void);
 void m5_checkpoint(uint64_t ns_delay, uint64_t ns_period);
 void m5_reset_stats(uint64_t ns_delay, uint64_t ns_period);