1 files changed, 0 insertions, 153 deletions
diff --git a/hifi/xaf/hifi-dpf/core/xf-sched.c b/hifi/xaf/hifi-dpf/core/xf-sched.c
deleted file mode 100644
index cc1b4e8d..00000000
--- a/hifi/xaf/hifi-dpf/core/xf-sched.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*******************************************************************************
-* Copyright (C) 2018 Cadence Design Systems, Inc.
-* 
-* Permission is hereby granted, free of charge, to any person obtaining
-* a copy of this software and associated documentation files (the
-* "Software"), to use this Software with Cadence processor cores only and 
-* not with any other processors and platforms, 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.
-
-******************************************************************************/
-
-/*******************************************************************************
- * xf-sched.c
- *
- * Non-preemptive earliest-deadline-first scheduler
- *
- ******************************************************************************/
-
-#define MODULE_TAG                      SCHED
-
-/*******************************************************************************
- * Includes
- ******************************************************************************/
-
-#include "xf.h"
-
-/*******************************************************************************
- * Tracing configuration
- ******************************************************************************/
-
-TRACE_TAG(DEBUG, 1);
-
-/*******************************************************************************
- * Global functions definitions
- ******************************************************************************/
-
-/* ...place task into scheduler queue */
-void xf_sched_put(xf_sched_t *sched, xf_task_t *t, u32 ts)
-{
-    rb_tree_t  *tree = (rb_tree_t *)sched;
-    rb_node_t  *node = (rb_node_t *)t;
-    rb_idx_t    p_idx, t_idx;
-    u32         _ts;
-
-    /* ...set scheduling timestamp */
-    xf_task_timestamp_set(t, ts);
-    
-    /* ...find a place in the tree where the message should be inserted */
-    for (p_idx = rb_root(tree); p_idx != rb_null(tree); p_idx = t_idx)
-    {
-        /* ...get timestamp of the p_idx */
-        _ts = xf_task_timestamp((xf_task_t *)p_idx);
-
-        /* ...ordering respects FIFO order of messages with same timestamp */
-        if (xf_timestamp_before(ts, _ts))
-        {
-            if ((t_idx = rb_left(tree, p_idx)) == rb_null(tree))
-            {
-                /* ...p_idx is a direct successor of the message */
-                rb_set_left(tree, p_idx, node);
-
-                /* ...adjust head of the tree if needed */
-                if (p_idx == rb_cache(tree))    goto insert_head;
-                else                            goto insert;
-            }
-        }
-        else
-        {
-            if ((t_idx = rb_right(tree, p_idx)) == rb_null(tree))
-            {
-                /* ...p_idx is a direct predeccessor of the message */
-                rb_set_right(tree, p_idx, node);
-
-                goto insert;
-            }
-        }        
-    }
-
-insert_head:
-    /* ...adjust scheduler head element */
-    rb_set_cache(tree, node);
-
-insert:    
-    /* ...insert item and rebalance the tree */
-    rb_insert(tree, node, p_idx);
-
-    /* ...head cannot be NULL */
-    BUG(rb_cache(tree) == rb_null(tree), _x("Invalid scheduler state"));
-    
-    TRACE(DEBUG, _b("in:  %x:[%p] (ts:%x)"), ts, node, xf_sched_timestamp(sched));
-}
-
-/* ...get first item from the scheduler */
-xf_task_t * xf_sched_get(xf_sched_t *sched)
-{
-    rb_tree_t      *tree = (rb_tree_t *)sched;
-    rb_idx_t        n_idx, t_idx;
-    u32             ts;
-    
-    /* ...head of the tree is cached; replace it with its parent (direct successor) */
-    if ((n_idx = rb_cache(tree)) == rb_null(tree))
-    {
-        /* ...tree is empty; bail out */
-        return NULL;
-    }
-    else
-    {
-        /* ...delete current node and rebalance the tree */
-        t_idx = rb_delete(tree, n_idx), rb_set_cache(tree, t_idx);
-
-        /* ...get task timestamp */
-        ts = xf_task_timestamp((xf_task_t *)n_idx);
-        
-        /* ...advance scheduler timestamp */
-        xf_sched_timestamp_set(sched, ts);
-        
-        TRACE(DEBUG, _b("out: %x:[%p]"), ts, n_idx);
-        
-        /* ...return task */
-        return (xf_task_t *)n_idx;
-    }
-}
-
-/* ...cancel specified task execution (must be scheduled!) */
-void xf_sched_cancel(xf_sched_t *sched, xf_task_t *t)
-{
-    rb_tree_t      *tree = (rb_tree_t *)sched;
-    rb_idx_t        n_idx = t;
-    rb_idx_t        t_idx;
-
-    /* ...delete message from tree */
-    t_idx = rb_delete(tree, n_idx);
-
-    /* ...adjust head if that was the first message */
-    (n_idx == rb_cache(tree) ? rb_set_cache(tree, t_idx), 1 : 0);
-}
-
-/* ...initialize scheduler data */
-void xf_sched_init(xf_sched_t *sched)
-{
-    rb_init((rb_tree_t *)sched);
-}