Merged gcell, the Cell SPE scheduler and RPC mechanism into the trunk.

(eb/trunk-with-gcell r8037:8085).  Expect additional tweaks, but
currently works and passes distcheck.


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8086 221aa14e-8319-0410-a670-987f0aec2ac5

3 files changed, 109 insertions, 0 deletions

diff --git a/gcell/src/include/spu/Makefile.am b/gcell/src/include/spu/Makefile.am
new file mode 100644
index 000000000..d202336f7
--- /dev/null
+++ b/gcell/src/include/spu/Makefile.am
@@ -0,0 +1,25 @@
+#
+# Copyright 2007,2008 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 $(top_srcdir)/Makefile.common
+
+gcellspuinclude_HEADERS = \
+	gc_delay.h \
+	gc_jd_queue.h
diff --git a/gcell/src/include/spu/gc_delay.h b/gcell/src/include/spu/gc_delay.h
new file mode 100644
index 000000000..78f16fb28
--- /dev/null
+++ b/gcell/src/include/spu/gc_delay.h
@@ -0,0 +1,27 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007,2008 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.
+ */
+#ifndef INCLUDED_GC_DELAY_H
+#define INCLUDED_GC_DELAY_H
+
+void gc_udelay(unsigned int usecs);
+void gc_cdelay(unsigned int cpu_cycles);
+
+#endif /* INCLUDED_GC_DELAY_H */
diff --git a/gcell/src/include/spu/gc_jd_queue.h b/gcell/src/include/spu/gc_jd_queue.h
new file mode 100644
index 000000000..f1ce1b3bd
--- /dev/null
+++ b/gcell/src/include/spu/gc_jd_queue.h
@@ -0,0 +1,57 @@
+/* -*- 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.
+ */
+
+#ifndef INCLUDED_SPU_GC_JD_QUEUE_H
+#define INCLUDED_SPU_GC_JD_QUEUE_H
+
+#include "gc_jd_queue_data.h"
+
+/*
+ * Declarations for SPU side of job queue interface
+ */
+
+__GC_BEGIN_DECLS
+
+/*!
+ * \brief Remove and return item at head of queue.
+ *
+ * \param[in]  q is EA address of queue structure.
+ * \param[out] item_ea is EA address of item at head of queue.
+ * \param[out] item is local store copy of item at head of queue.
+ * \returns false if the queue is empty, otherwise returns true
+ *   and sets \p item_ea and DMA's job descriptor into \p item
+ */
+bool
+gc_jd_queue_dequeue(gc_eaddr_t q, gc_eaddr_t *item_ea, gc_job_desc_t *item);
+
+
+/*!
+ * \brief Get a line reservation on the queue
+ *
+ * \param[in]  q is EA address of queue structure.
+ */
+void
+gc_jd_queue_getllar(gc_eaddr_t q);
+
+__GC_END_DECLS
+
+
+#endif /* INCLUDED_SPU_GC_JD_QUEUE_H */