s->threadnum = ctx->nthreads;
s->flags = 0;
s->sp = ((int *)s + COTHREAD_STACKSIZE);
+ // is this needed anymore?
s->top_sp = s->sp;
GST_INFO (GST_CAT_COTHREADS,"created cothread #%d: %p at sp:%p", ctx->nthreads, s, s->sp);
ctx->current = thread->threadnum;
/* save the current stack pointer, frame pointer, and pc */
-// GET_SP(current->sp);
enter = setjmp(current->jmp);
if (enter != 0) {
GST_DEBUG (0,"enter thread #%d %d %p<->%p (%d)\n",current->threadnum, enter,
/* restore stack pointer and other stuff of new cothread */
if (thread->flags & COTHREAD_STARTED) {
GST_DEBUG (0,"in thread \n");
-// SET_SP(thread->sp);
// switch to it
longjmp(thread->jmp,1);
} else {
- SETUP_STACK(thread->sp);
- SET_SP(thread->sp);
+ GST_ARCH_SETUP_STACK(thread->sp);
+ GST_ARCH_SET_SP(thread->sp);
// start it
- CALL(cothread_stub);
+ GST_ARCH_CALL(cothread_stub);
GST_DEBUG (0,"exit thread \n");
ctx->current = 0;
}
#include "config.h"
#endif
-#ifdef HAVE_CPU_I386
+#if defined(HAVE_CPU_I386)
#include "gsti386.h"
-#else
-#ifdef HAVE_CPU_PPC
+#elif defined (HAVE_CPU_PPC)
#include "gstppc.h"
-#else
-#ifdef HAVE_CPU_ALPHA
+#elif defined(HAVE_CPU_ALPHA)
#include "gstalpha.h"
+#elif defined(HAVE_CPU_ARM)
+#include "gstarm.h"
#else
#error Need to know about this architecture, or have a generic implementation
#endif
-#endif
-#endif
#endif /* __GST_GSTARCH_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstppc.h: Header for PPC-specific architecture issues
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GSTARM_H__
+#define __GST_GSTARM_H__
+
+#define GST_ARCH_SET_SP(stackpointer) \
+ __asm__( "mov%?\t%!sp, %0" : : "r"(stackpointer));
+
+#define GST_ARCH_CALL(target) \
+ __asm__( "mov%?\t%!pc, %1" : : "r"(target) );
+
+// Need to get more information about the stackframe format
+// and get the fields more correct. Check GDB sources maybe?
+
+#define GST_ARCH_SETUP_STACK(sp) sp -= 4
+
+#endif /* __GST_GSTARM_H__ */