diff options
Diffstat (limited to 'cpukit/score/cpu/m68k/cpu.c')
| -rw-r--r-- | cpukit/score/cpu/m68k/cpu.c | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/cpukit/score/cpu/m68k/cpu.c b/cpukit/score/cpu/m68k/cpu.c index be63351e9c..44dc06cc91 100644 --- a/cpukit/score/cpu/m68k/cpu.c +++ b/cpukit/score/cpu/m68k/cpu.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -8,15 +10,33 @@ * COPYRIGHT (c) 1989-1999. * 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.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif +#include <rtems/score/cpuimpl.h> #include <rtems/score/isr.h> #include <rtems/score/percpu.h> #include <rtems/score/tls.h> @@ -88,6 +108,29 @@ void _CPU_Initialize(void) m68k_install_interrupt_stack(); } +void _CPU_Fatal_halt( uint32_t source, CPU_Uint32ptr error ) +{ +#if ( defined(__mcoldfire__) ) + __asm__ volatile( "move.w %%sr,%%d0\n\t" + "or.l %2,%%d0\n\t" + "move.w %%d0,%%sr\n\t" + "move.l %1,%%d0\n\t" + "move.l #0xDEADBEEF,%%d1\n\t" + "halt" + : "=g" (error) + : "0" (error), "d"(0x0700) + : "d0", "d1" ); + +#else + __asm__ volatile( "movl %0,%%d0; " + "orw #0x0700,%%sr; " + "stop #0x2700" : "=d" ((error)) : "0" ((error)) ); + +#endif + +/* end of Fatal Error manager macros */ +} + uint32_t _CPU_ISR_Get_level( void ) { uint32_t level; @@ -236,6 +279,9 @@ void _CPU_Context_Initialize( #endif if ( tls_area != NULL ) { - _TLS_TCB_before_TLS_block_initialize( tls_area ); + the_context->thread_pointer = + (char *) _TLS_Initialize_area( tls_area ) + 0x7000; + } else { + the_context->thread_pointer = NULL; } } |