5 files changed, 26 insertions, 0 deletions
diff --git a/sim/cris/cris-tmpl.c b/sim/cris/cris-tmpl.c
index fe46bf0..a4c232c 100644
--- a/sim/cris/cris-tmpl.c
+++ b/sim/cris/cris-tmpl.c
@@ -233,6 +233,14 @@ MY (f_model_mark_set_h_gr) (SIM_CPU *current_cpu, ARGBUF *abuf)
 }
 #endif
 
+/* Set the thread register contents.  */
+
+void
+MY (set_target_thread_data) (SIM_CPU *current_cpu, USI val)
+{
+  (CPU (XCONCAT2 (h_sr_v, BASENUM) [CRIS_TLS_REGISTER])) = val;
+}
+
 /* Create the context for a thread.  */
 
 void *
@@ -256,6 +264,7 @@ MY (f_specific_init) (SIM_CPU *current_cpu)
 {
   current_cpu->make_thread_cpu_data = MY (make_thread_cpu_data);
   current_cpu->thread_cpu_data_size = sizeof (current_cpu->cpu_data);
+  current_cpu->set_target_thread_data = MY (set_target_thread_data);
 #if WITH_HW
   current_cpu->deliver_interrupt = MY (deliver_interrupt);
 #endif
diff --git a/sim/cris/crisv10f.c b/sim/cris/crisv10f.c
index 3a4e94f..e500cbf 100644
--- a/sim/cris/crisv10f.c
+++ b/sim/cris/crisv10f.c
@@ -22,6 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #define WANT_CPU_CRISV10F
 
 #define BASENUM 10
+#define CRIS_TLS_REGISTER 14
 #include "cris-tmpl.c"
 
 #if WITH_PROFILE_MODEL_P
diff --git a/sim/cris/crisv32f.c b/sim/cris/crisv32f.c
index bc66be6..8078717 100644
--- a/sim/cris/crisv32f.c
+++ b/sim/cris/crisv32f.c
@@ -28,6 +28,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #define SPECIFIC_U_MEM_FN
 #define SPECIFIC_U_MOVEM_FN
 #define BASENUM 32
+#define CRIS_TLS_REGISTER 2
 #include "cris-tmpl.c"
 
 #if WITH_PROFILE_MODEL_P
diff --git a/sim/cris/sim-main.h b/sim/cris/sim-main.h
index 576050a..a39ae17 100644
--- a/sim/cris/sim-main.h
+++ b/sim/cris/sim-main.h
@@ -191,6 +191,9 @@ struct _sim_cpu {
   void* (*make_thread_cpu_data) (SIM_CPU *, void *);
   size_t thread_cpu_data_size;
 
+  /* The register differs, so we dispatch to a CPU-specific function.  */
+  void (*set_target_thread_data) (SIM_CPU *, USI);
+
   /* CPU-model specific parts go here.
      Note that in files that don't need to access these pieces WANT_CPU_FOO
      won't be defined and thus these parts won't appear.  This is ok in the
diff --git a/sim/cris/traps.c b/sim/cris/traps.c
index 081273f..aa3b90a 100644
--- a/sim/cris/traps.c
+++ b/sim/cris/traps.c
@@ -113,6 +113,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #define TARGET_SYS_getegid32 202
 #define TARGET_SYS_getgid32 200
 #define TARGET_SYS_fcntl64 221
+#define TARGET_SYS_set_thread_area 243
 #define TARGET_SYS_exit_group 252
 
 #define TARGET_PROT_READ	0x1
@@ -3154,6 +3155,17 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 	  retval = -cb_host_to_target_errno (cb, ENOSYS);
 	  break;
 
+	case TARGET_SYS_set_thread_area:
+	  /* Do the same error check as Linux.  */
+	  if (arg1 & 255)
+	    {
+	      retval = -cb_host_to_target_errno (cb, EINVAL);
+	      break;
+	    }
+	  (*current_cpu->set_target_thread_data) (current_cpu, arg1);
+	  retval = 0;
+	  break;
+
 	unimplemented_syscall:
 	default:
 	  retval