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-rw-r--r--cpukit/score/src/threadloadenv.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/cpukit/score/src/threadloadenv.c b/cpukit/score/src/threadloadenv.c
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+/*
+ * Thread Handler
+ *
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/score/apiext.h>
+#include <rtems/score/context.h>
+#include <rtems/score/interr.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/object.h>
+#include <rtems/score/priority.h>
+#include <rtems/score/states.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+
+/*PAGE
+ *
+ * _Thread_Load_environment
+ *
+ * Load starting environment for another thread from its start area in the
+ * thread. Only called from t_restart and t_start.
+ *
+ * Input parameters:
+ * the_thread - thread control block pointer
+ *
+ * Output parameters: NONE
+ */
+
+void _Thread_Load_environment(
+ Thread_Control *the_thread
+)
+{
+ boolean is_fp = FALSE;
+
+ if ( the_thread->Start.fp_context ) {
+ the_thread->fp_context = the_thread->Start.fp_context;
+ _Context_Initialize_fp( &the_thread->fp_context );
+ is_fp = TRUE;
+ }
+
+ the_thread->do_post_task_switch_extension = FALSE;
+ the_thread->is_preemptible = the_thread->Start.is_preemptible;
+ the_thread->budget_algorithm = the_thread->Start.budget_algorithm;
+ the_thread->budget_callout = the_thread->Start.budget_callout;
+
+ _Context_Initialize(
+ &the_thread->Registers,
+ the_thread->Start.Initial_stack.area,
+ the_thread->Start.Initial_stack.size,
+ the_thread->Start.isr_level,
+ _Thread_Handler,
+ is_fp
+ );
+
+}