Projet_SETI_RISC-V/riscv-gnu-toolchain/newlib/libgloss/sparc_leon/kernel_queue.c
2023-03-06 14:48:14 +01:00

59 lines
1.9 KiB
C

/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <asm-leon/queue.h>
/*#include <sys/fsu_pthread_queue.h>*/
#include <asm-leon/contextswitch.h>
#include <asm-leon/leonbare_kernel.h>
#include <asm-leon/leonbare_debug.h>
#include <asm-leon/stack.h>
#include <asm-leon/leonstack.h>
#include <asm-leon/irq.h>
int
leonbare_thread_getqueueidx (leonbare_thread_t thread)
{
LEONBARE_VERIFYSCHED ();
if (thread->th_flags & (LEONBARE_TH_TERMINATED | LEONBARE_TH_FINISHED))
{
return LEONBARE_RUNQ_KILLED_IDX;
}
else if ((thread->th_flags & LEONBARE_TH_SUSPENDED))
{
return LEONBARE_RUNQ_SUSPENDED_IDX;
}
else if (LEONBARE_RUNQ_ISREADY (thread->th_runq_idx))
{
if (LEONBARE_KR_RUNQ_WHICH == thread->th_runq_which)
{
return thread->th_runq_idx;
}
else
{
return thread->th_runq_idx + LEONBARE_RUNQ_PREPARE_IDX;
}
}
return -1;
}