move sboot to the root directory

[open-ath9k-htc-firmware.git] / sboot / magpie_1_1 / sboot / athos / src / xtos / int-vector.S

diff --git a/sboot/magpie_1_1/sboot/athos/src/xtos/int-vector.S b/sboot/magpie_1_1/sboot/athos/src/xtos/int-vector.S
new file mode 100755 (executable)
index 0000000..cc2f85d
--- /dev/null
+++ b/sboot/magpie_1_1/sboot/athos/src/xtos/int-vector.S
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+// int-vector.S  -  Interrupt Vector Template (for levels > 1)
+// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/int-vector.S#3 $
+
+// Copyright (c) 2003-2004, 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 use this template file, define a macro called _INTERRUPT_LEVEL
+// to be the interrupt level of the vector, include "xtos-internal.h",
+// then include this file.  We use the same template for both high-level
+// and medium-level interrupts, but not debug level.
+
+
+#define _ASMLANGUAGE
+#include "xtos-internal.h"
+#include <xtensa/config/system.h>
+
+
+#if XCHAL_HAVE_INTERRUPTS && (_INTERRUPT_LEVEL <= XCHAL_NUM_INTLEVELS) && (_INTERRUPT_LEVEL != XCHAL_DEBUGLEVEL)
+
+       .begin  literal_prefix  LABEL(.Level,InterruptVector)
+       .section                LABEL(.Level,InterruptVector.text), "ax"
+       .align 4
+       .global LABEL(_Level,Vector)
+LABEL(_Level,Vector):
+       //  Medium and high priority interrupt vector:
+
+# if HAVE_XSR
+       //  With XSR, we can use this vector which has the advantage of being ROMable
+       //  without requiring the handler to also be in ROM; however, it requires
+       //  initializing the EXCSAVEn register (see ResetEpilog.S) and a slightly
+       //  different save/restore sequence in the handler:
+       xsr     a2, EXCSAVE_LEVEL
+       jx      a2
+
+       //  Pull-in the real handler by reference, to ensure the reset epilog gets it:
+       .global LABEL(_Level,FromVector)
+
+# else
+       wsr     a2, EXCSAVE_LEVEL
+       movi    a2, LABEL(_Level,FromVector)
+       jx      a2
+# endif
+
+       .size   LABEL(_Level,Vector), . - LABEL(_Level,Vector)
+       .text
+       .end    literal_prefix
+
+#endif /* interrupt at that level */
+