From b21b0ab3e77d91fc32e4324d3dfaf57ce24096ab Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 13 Nov 2000 22:40:29 +0000
Subject: 2000-11-13	Jiri Gaisler <jgais@ws.estec.esa.nl>

	* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs,
	configure.in, times, clock/.cvsignore, clock/Makefile.am,
	clock/ckinit.c, console/.cvsignore, console/Makefile.am,
	console/console.c, console/consolereserveresources.c,
	console/debugputs.c, gnatsupp/.cvsignore,
	gnatsupp/Makefile.am, gnatsupp/gnatsupp.c,
	include/.cvsignore, include/Makefile.am, include/bsp.h,
	include/coverhd.h, include/leon.h, start/.cvsignore,
	start/Makefile.am, startup/.cvsignore, startup/Makefile.am,
	startup/boardinit.S, startup/linkcmds, startup/setvec.c,
	startup/spurious.c, timer/.cvsignore, timer/Makefile.am,
	timer/timer.c, tools/.cvsignore, tools/Makefile.am,
	tools/configure.in, tools/runtest.in, wrapup/.cvsignore,
	wrapup/Makefile.am: New file.
---
 c/src/lib/libbsp/sparc/leon/startup/setvec.c | 72 ++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 c/src/lib/libbsp/sparc/leon/startup/setvec.c

(limited to 'c/src/lib/libbsp/sparc/leon/startup/setvec.c')

diff --git a/c/src/lib/libbsp/sparc/leon/startup/setvec.c b/c/src/lib/libbsp/sparc/leon/startup/setvec.c
new file mode 100644
index 0000000000..27adfa7b4b
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/leon/startup/setvec.c
@@ -0,0 +1,72 @@
+/*  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) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  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.
+ *
+ *  Ported to LEON implementation of the SPARC by On-Line Applications
+ *  Research Corporation (OAR) under contract to the European Space 
+ *  Agency (ESA).
+ *
+ *  LEON modifications of respective RTEMS file: COPYRIGHT (c) 1995. 
+ *  European Space Agency.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+
+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 );
+
+  real_trap = SPARC_REAL_TRAP_NUMBER( vector );
+
+  if ( LEON_INT_TRAP( real_trap ) ) {
+    
+    source = LEON_TRAP_SOURCE( real_trap );
+
+    LEON_Clear_interrupt( source );
+    LEON_Unmask_interrupt( source );
+  }
+
+  return previous_isr;
+}
+
+/* LEON specific power-down function */
+
+void _CPU_Thread_Idle_body( void )
+{
+  while (1) {
+    LEON_REG.Power_Down = 0;   /* value is irrelevant */
+  }
+}
+
-- 
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