/*
* This file contains the isp frames for the user interrupts.
* From these procedures __ISR_Handler is called with the vector number
* as argument.
*
* __ISR_Handler is kept in a separate file (cpu_asm.c), because a bug in
* some releases of gcc doesn't properly handle #pragma interrupt, if a
* file contains both isrs and normal functions.
*
* Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
* Bernd Becker (becker@faw.uni-ulm.de)
*
* COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
*
*
* COPYRIGHT (c) 1998.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* Modified to reflect dummy isp entries for GDB SH simulator by Joel.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/score/types.h>
/*
* This is a exception vector table
*
* It has the same structure as the actual vector table (vectab)
*/
void _dummy_isp(uint32_t);
proc_ptr _Hardware_isr_Table[256]={
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, /* PWRon Reset, Maual Reset,...*/
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
/* trapa 0 -31 */
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, /* irq 152-155*/
_dummy_isp
};
#define Str(a)#a
/*
* Some versions of gcc and all version of egcs at least until egcs-1.1b
* are not able to handle #pragma interrupt correctly if more than 1 isr is
* contained in a file and when optimizing.
* We try to work around this problem by using the macro below.
*/
#define isp( name, number, func)\
__asm__ (".global _"Str(name)"\n\t"\
"_"Str(name)": \n\t"\
" mov.l r0,@-r15 \n\t"\
" mov.l r1,@-r15 \n\t"\
" mov.l r2,@-r15 \n\t"\
" mov.l r3,@-r15 \n\t"\
" mov.l r4,@-r15 \n\t"\
" mov.l r5,@-r15 \n\t"\
" mov.l r6,@-r15 \n\t"\
" mov.l r7,@-r15 \n\t"\
" mov.l r14,@-r15 \n\t"\
" sts.l pr,@-r15 \n\t"\
" sts.l mach,@-r15 \n\t"\
" sts.l macl,@-r15 \n\t"\
" mov r15,r14 \n\t"\
" mov.l "Str(name)"_v, r2 \n\t"\
" mov.l "Str(name)"_k, r1\n\t"\
" jsr @r1 \n\t"\
" mov r2,r4 \n\t"\
" mov r14,r15 \n\t"\
" lds.l @r15+,macl \n\t"\
" lds.l @r15+,mach \n\t"\
" lds.l @r15+,pr \n\t"\
" mov.l @r15+,r14 \n\t"\
" mov.l @r15+,r7 \n\t"\
" mov.l @r15+,r6 \n\t"\
" mov.l @r15+,r5 \n\t"\
" mov.l @r15+,r4 \n\t"\
" mov.l @r15+,r3 \n\t"\
" mov.l @r15+,r2 \n\t"\
" mov.l @r15+,r1 \n\t"\
" mov.l @r15+,r0 \n\t"\
" rte \n\t"\
" nop \n\t"\
" .align 2 \n\t"\
#name"_k: \n\t"\
".long "Str(func)"\n\t"\
#name"_v: \n\t"\
".long "Str(number));
/************************************************
* Dummy interrupt service procedure for
* interrupts being not allowed --> Trap 34
************************************************/
__asm__ (" .section .text\n\
.global __dummy_isp\n\
__dummy_isp:\n\
mov.l r14,@-r15\n\
mov r15, r14\n\
trapa #34\n\
mov.l @r15+,r14\n\
rte\n\
nop");
