From 819c67e69c4e0062787e27dd989f5f9d00d4834e Mon Sep 17 00:00:00 2001
From: David Mosberger-Tang <davidm@hpl.hp.com>
Date: Thu, 9 Jun 2005 22:40:00 -0700
Subject: [IA64] Replace stale KDB-code with useful MAGIC_SYSRQ code in
simserial.c
Patch makes it possible to use the "F4" function key to do
magic sysrq in the HP Ski simulator.
Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/hp/sim/simserial.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
(limited to 'arch')
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 786e70718c..7a8ae0f4b3 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -30,6 +30,7 @@
#include <linux/module.h>
#include <linux/serial.h>
#include <linux/serialP.h>
+#include <linux/sysrq.h>
#include <asm/irq.h>
#include <asm/hw_irq.h>
@@ -149,12 +150,17 @@ static void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
seen_esc = 2;
continue;
} else if ( seen_esc == 2 ) {
- if ( ch == 'P' ) show_state(); /* F1 key */
-#ifdef CONFIG_KDB
- if ( ch == 'S' )
- kdb(KDB_REASON_KEYBOARD, 0, (kdb_eframe_t) regs);
+ if ( ch == 'P' ) /* F1 */
+ show_state();
+#ifdef CONFIG_MAGIC_SYSRQ
+ if ( ch == 'S' ) { /* F4 */
+ do
+ ch = ia64_ssc(0, 0, 0, 0,
+ SSC_GETCHAR);
+ while (!ch);
+ handle_sysrq(ch, regs, NULL);
+ }
#endif
-
seen_esc = 0;
continue;
}
--
cgit v1.2.2