source: trunk/libs/newlib/src/libgloss/sparc_leon/kernel_queue.c @ 467

Last change on this file since 467 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.9 KB
Line 
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
35int
36leonbare_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}
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