From ac49115d658e7d199d2a74f20c956fd4dd52542a Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 22 Feb 2000 19:14:24 +0000 Subject: New port of RTEMS to TI C3x and C4x. --- c/src/lib/libbsp/shared/setvec.c | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 c/src/lib/libbsp/shared/setvec.c (limited to 'c') diff --git a/c/src/lib/libbsp/shared/setvec.c b/c/src/lib/libbsp/shared/setvec.c new file mode 100644 index 0000000000..b3733c84ad --- /dev/null +++ b/c/src/lib/libbsp/shared/setvec.c @@ -0,0 +1,44 @@ +/* set_vector + * + * This routine installs an interrupt vector on the SPARC simulator. + * + * INPUT PARAMETERS: + * handler - interrupt handler entry point + * vector - vector number + * type - 0 indicates raw hardware connect + * 1 indicates RTEMS interrupt connect + * + * OUTPUT PARAMETERS: NONE + * + * RETURNS: + * address of previous interrupt handler + * + * 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.OARcorp.com/rtems/license.html. + * + */ + +#include + +rtems_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 */ +) +{ + rtems_isr_entry previous_isr; + unsigned32 real_trap; + unsigned32 source; + + if ( type ) + rtems_interrupt_catch( handler, vector, &previous_isr ); + else + _CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr ); + + return previous_isr; +} + -- cgit v1.2.3