diff options
Diffstat (limited to 'cpukit/score/cpu/m32c/include/varvects.h')
-rw-r--r-- | cpukit/score/cpu/m32c/include/varvects.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/score/cpu/m32c/include/varvects.h b/cpukit/score/cpu/m32c/include/varvects.h new file mode 100644 index 0000000000..7168482b54 --- /dev/null +++ b/cpukit/score/cpu/m32c/include/varvects.h @@ -0,0 +1,58 @@ +/** + * @file + * + * @brief M32C Built-in Variable Vector Table Interface + * + * This file defines the interface to the built-in variable vector + * table in R8C/M16C/M32C chips. + */ + +/* + * Copyright (c) 2008 Red Hat Incorporated. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * The name of Red Hat Incorporated may not be used to endorse + * or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _VARVECTS_H_ +#define _VARVECTS_H_ + +typedef void (*_m32c_interrupt_func)(void) __attribute__((mode(SI))); +extern _m32c_interrupt_func _var_vects[]; + +#if defined(__r8c_cpu__) || defined (__m16c_cpu__) + +#define _set_var_vect(f,n) \ + { __asm__ ("mov.w #%%lo16(%d0),__var_vects+%d1" : : "s" (f), "g" (n*4)); \ + __asm__ ("mov.w #%%hi16(%d0),__var_vects+%d1" : : "s" (f), "g" (n*4+2)); } + +#else + +#define _set_var_vect(f,n) \ + _var_vects[n] = f + +#endif +#endif |