diff options
Diffstat (limited to 'libgloss/sparc_leon/kernel_queue.c')
-rw-r--r-- | libgloss/sparc_leon/kernel_queue.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/kernel_queue.c b/libgloss/sparc_leon/kernel_queue.c new file mode 100644 index 000000000..a6a20e1e2 --- /dev/null +++ b/libgloss/sparc_leon/kernel_queue.c @@ -0,0 +1,59 @@ +/* + * 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; +} |