Merged eb/gcell-wip2 rev 10130:10152 into trunk.

[debian/gnuradio] / gcell / src / lib / runtime / gc_jd_stack.c

diff --git a/gcell/src/lib/runtime/gc_jd_stack.c b/gcell/src/lib/runtime/gc_jd_stack.c
deleted file mode 100644 (file)
index 0fffc0d..0000000
--- a/gcell/src/lib/runtime/gc_jd_stack.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "gc_jd_stack.h"
-#include "memory_barrier.h"
-
-
-void 
-gc_jd_stack_init(gc_jd_stack_t *stack)
-{
-  stack->top = 0;
-}
-  
-
-#ifdef __powerpc64__  // 64-bit mode
-
-void 
-gc_jd_stack_push(gc_jd_stack_t *stack, gc_job_desc_t *item)
-{
-  gc_eaddr_t   top;
-  gc_eaddr_t   item_ea = ptr_to_ea(item);
-  unsigned int done;
-
-  do {
-    top = __ldarx(&stack->top);
-    item->sys.next = top;
-    smp_wmb();       // order store of item->next before store of stack->top
-    done = __stdcx(&stack->top, item_ea);
-  } while (unlikely(done == 0));
-}
-
-gc_job_desc_t *
-gc_jd_stack_pop(gc_jd_stack_t *stack)
-{
-  gc_eaddr_t   s;
-  gc_eaddr_t   t;
-  unsigned int done;
-
-  do {
-    s  = __ldarx(&stack->top);
-    if (s == 0)                        /* stack's empty */
-      return 0;
-    t = ((gc_job_desc_t *) ea_to_ptr(s))->sys.next;
-    done = __stdcx(&stack->top, t);
-  } while (unlikely(done == 0));
-
-  return ea_to_ptr(s);
-}
-
-#else  // 32-bit mode
-
-/*
- * In 32-bit mode, gc_eaddr's will have the top 32-bits zero.
- * The ldarx/stdcx instructions aren't available in 32-bit mode,
- * thus we use lwarx/stwcx on the low 32-bits of the 64-bit addresses.
- * Since we're big-endian, the low 32-bits are at word offset 1.
- */
-void 
-gc_jd_stack_push(gc_jd_stack_t *stack, gc_job_desc_t *item)
-{
-  gc_eaddr_t   top;
-  unsigned int done;
-
-  do {
-    top = __lwarx((int32_t *)(&stack->top) + 1);
-    item->sys.next = top;
-    smp_wmb();       // order store of item->sys.next before store of stack->top
-    done = __stwcx((int32_t *)(&stack->top) + 1, item);
-  } while (unlikely(done == 0));
-}
-
-gc_job_desc_t *
-gc_jd_stack_pop(gc_jd_stack_t *stack)
-{
-  gc_eaddr_t   s;
-  gc_eaddr_t   t;
-  unsigned int done;
-
-  do {
-    s  = __lwarx((int32_t *)(&stack->top) + 1);
-    if (s == 0)                        /* stack's empty */
-      return 0;
-    t = ((gc_job_desc_t *) ea_to_ptr(s))->sys.next;
-    done = __stwcx((int32_t *)(&stack->top) + 1, (uint32_t) t);
-  } while (unlikely(done == 0));
-
-  return ea_to_ptr(s);
-}
-
-#endif