From 5025fc547da08c83d330feb12c4795d5cacd12c6 Mon Sep 17 00:00:00 2001 From: DJ Delorie Date: Wed, 24 Sep 2008 23:29:38 +0000 Subject: * m32c/varvects.S: New. * m32c/varvects.h: New. * m32c/sample.c: New. * m32c/Makefile.in: Add m32cgloss library support. * m32c/crt0.S: Tweaks to support interrupts by default. * m32c/m32c.tmpl: Likewise. --- libgloss/m32c/varvects.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 libgloss/m32c/varvects.h (limited to 'libgloss/m32c/varvects.h') diff --git a/libgloss/m32c/varvects.h b/libgloss/m32c/varvects.h new file mode 100644 index 000000000..e48daf9a5 --- /dev/null +++ b/libgloss/m32c/varvects.h @@ -0,0 +1,54 @@ +/* + +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. + +*/ + +/* This file defines the interface to the built-in variable vector + table in R8C/M16C/M32C chips. */ + +#ifndef _VARVECTS_H_ +#define _VARVECTS_H_ + +typedef void (*_m32c_interrupt_func)() __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 -- cgit v1.2.3