From ecc4594a2ecec637ff609069d5987e7b4f2cee67 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 15 Apr 1997 17:28:26 +0000 Subject: Removed many BSPs' copy of setvec.c and let them share the same implementation as all m68k BSPs. --- c/src/lib/libbsp/m68k/shared/setvec.c | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 c/src/lib/libbsp/m68k/shared/setvec.c (limited to 'c/src/lib/libbsp/m68k/shared/setvec.c') diff --git a/c/src/lib/libbsp/m68k/shared/setvec.c b/c/src/lib/libbsp/m68k/shared/setvec.c new file mode 100644 index 0000000000..7e0e3cdf68 --- /dev/null +++ b/c/src/lib/libbsp/m68k/shared/setvec.c @@ -0,0 +1,39 @@ +/* + * + * This routine installs an interrupt vector using the basic + * RTEMS mechanisms. This implementation should be suitable for + * most m68k based boards. However, if the board has an unusual + * interrupt controller or most somehow manipulate board specific + * hardware to enable/disable, mask, prioritize, etc an interrupt + * source, then this routine should be customized to support that. + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + +#include +#include + +m68k_isr_entry set_vector( /* returns old vector */ + rtems_isr_entry handler, /* isr routine */ + rtems_vector_number vector, /* vector number */ + int type /* RTEMS or RAW intr */ +) +{ + m68k_isr_entry previous_isr; + + if ( type ) + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + else { + _CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr ); + } + return previous_isr; +} + -- cgit v1.2.3