+++ /dev/null
-/* init.c - context initialization */
-
-/*
- * Copyright (c) 1999-2006 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.
- */
-
-#include <xtensa/config/core.h>
-#if XCHAL_NUM_CONTEXTS > 1
-#include <stdlib.h>
-#endif
-
-
-
-#if 0 /* XCHAL_NUM_CONTEXTS > 1 */
-extern void _xtos_setup_context(int context_num, SetupInfo *info);
-extern void _xtos_start_context(void);
-
-/*
- * Sets up a context for running code.
- *
- * Returns PC at which to set the new context, or 0 on error.
- */
-unsigned _xtos_init_context(int context_num, int stack_size,
- _xtos_handler_func *start_func, int arg1)
-{
- SetupInfo info;
-
- /* Allocate stack: */
- char *sp;
- char *stack = malloc(stack_size);
- if (stack == NULL)
- return 0;
-
- /* Setup stack for call8: */
- sp = stack + stack_size - 16;
- *(unsigned*)(sp - 12) = (unsigned)(sp + 32);
-
- info.sp = (unsigned)sp;
- info.funcpc = (unsigned)start_func;
- info.arg1 = arg1;
- _xtos_setup_context(context_num, &info);
- return (unsigned) &_xtos_start_context;
-}
-#endif /* multiple contexts */
-