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