patch-2.3.99-pre6 linux/arch/ia64/kdb/kdb_traps.c

• Lines: 56
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.99-pre5/linux/arch/ia64/kdb/kdb_traps.c
• Orig date: Thu Feb 10 17:11:03 2000

diff -u --recursive --new-file v2.3.99-pre5/linux/arch/ia64/kdb/kdb_traps.c linux/arch/ia64/kdb/kdb_traps.c
@@ -1,55 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/kdb.h>
-
-static struct kdb_bp_support {
-	unsigned long	addr ;
-	int		slot ;
-} kdb_bp_info[NR_CPUS] ;
-
-
-extern void kdb_bp_install (void);
-
-/*
- * This gets invoked right before a call to ia64_fault().
- * Returns zero the normal fault handler should be invoked.
- */
-long
-ia64_kdb_fault_handler (unsigned long vector, unsigned long isr, unsigned long ifa,
-			unsigned long iim, unsigned long itir, unsigned long arg5,
-			unsigned long arg6, unsigned long arg7, unsigned long stack)
-{
-	struct switch_stack *sw = (struct switch_stack *) &stack;
-	struct pt_regs *regs = (struct pt_regs *) (sw + 1);
-	int bundle_slot;
-
-	/*
-	 * TBD
-	 * If KDB is configured, enter KDB for any fault.
-	 */
-	if ((vector == 29) || (vector == 35) || (vector == 36)) {
-		if (!user_mode(regs)) {
-			bundle_slot = ia64_psr(regs)->ri;
-			if (vector == 29) {
-				if (bundle_slot == 0) {
-			 		kdb_bp_info[0].addr = regs->cr_iip;
-					kdb_bp_info[0].slot = bundle_slot;
-					kdb(KDB_REASON_FLTDBG, 0, regs);
-				} else {
-					if ((bundle_slot < 3) &&
-					    (kdb_bp_info[0].addr == regs->cr_iip))
-					{
-						ia64_psr(regs)->id = 1;
-						ia64_psr(regs)->db = 1;
-						kdb_bp_install() ;
-					} else /* some error ?? */
-						kdb(KDB_REASON_FLTDBG, 0, regs);
-				}
-			} else /* single step or taken branch */
-				kdb(KDB_REASON_DEBUG, 0, regs);
-			return 1;
-		}
-	}
-	return 0;
-}