1 /*
2  * Copyright (c) 2011 Aeroflex Gaisler
3  *
4  * BSD license:
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 
26 #include <asm-leon/queue.h>
27 /*#include <sys/fsu_pthread_queue.h>*/
28 #include <asm-leon/contextswitch.h>
29 #include <asm-leon/leonbare_kernel.h>
30 #include <asm-leon/leonbare_debug.h>
31 #include <asm-leon/stack.h>
32 #include <asm-leon/leonstack.h>
33 #include <asm-leon/irq.h>
34 
35 int
leonbare_thread_getqueueidx(leonbare_thread_t thread)36 leonbare_thread_getqueueidx (leonbare_thread_t thread)
37 {
38   LEONBARE_VERIFYSCHED ();
39   if (thread->th_flags & (LEONBARE_TH_TERMINATED | LEONBARE_TH_FINISHED))
40     {
41       return LEONBARE_RUNQ_KILLED_IDX;
42     }
43   else if ((thread->th_flags & LEONBARE_TH_SUSPENDED))
44     {
45       return LEONBARE_RUNQ_SUSPENDED_IDX;
46     }
47   else if (LEONBARE_RUNQ_ISREADY (thread->th_runq_idx))
48     {
49       if (LEONBARE_KR_RUNQ_WHICH == thread->th_runq_which)
50 	{
51 	  return thread->th_runq_idx;
52 	}
53       else
54 	{
55 	  return thread->th_runq_idx + LEONBARE_RUNQ_PREPARE_IDX;
56 	}
57     }
58   return -1;
59 }
60