+// int-initlevel.S - Routines used to pull-in interrupt dispatch code
+// in the tiny-rt LSP.
+// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/int-initlevel.S#3 $
+
+// Copyright (c) 2006-2010 Tensilica Inc.
+//
+// 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.
+
+
+// To assemble this template file, define a macro called _INTERRUPT_LEVEL
+// to be the interrupt level of the vector. We use the same template for both
+// high-level and medium-level interrupts, but not debug level.
+
+
+#include <xtensa/coreasm.h>
+#include "xtos-internal.h"
+
+
+#if XCHAL_HAVE_INTERRUPTS && (_INTERRUPT_LEVEL <= XCHAL_NUM_INTLEVELS) && (_INTERRUPT_LEVEL != XCHAL_DEBUGLEVEL)
+
+ // Nothing to do at runtime. This function only has effect
+ // at link-time.
+ //
+ .text
+ .global LABEL(_xtos_dispatch_level,_interrupts)
+ .align 4
+LABEL(_xtos_dispatch_level,_interrupts):
+ abi_entry
+ abi_return
+ .size LABEL(_xtos_dispatch_level,_interrupts), . - LABEL(_xtos_dispatch_level,_interrupts)
+
+ // This reference is what does the work of pulling-in the
+ // relevant interrupt vector at the specified level.
+ // This is only needed in the tiny-rt LSP.
+ //
+# if _INTERRUPT_LEVEL == 1
+ .global _need_level1int_
+# else
+ .global LABEL(_Level,Vector)
+# endif
+
+#endif /* XCHAL_HAVE_INTERRUPTS */