This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / arch / mips / sibyte / sb1250 / irq.c

diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 88d524e..ddbe64b 100644 (file)
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -61,8 +61,19 @@ extern unsigned long ldt_eoi_space;
 #endif
 
 #ifdef CONFIG_KGDB
+#include <asm/gdb-stub.h>
+extern void breakpoint(void);
 static int kgdb_irq;
 
+/* kgdb is on when configured.  Pass "nokgdb" kernel arg to turn it off */
+static int kgdb_flag = 1;
+static int __init nokgdb(char *str)
+{
+       kgdb_flag = 0;
+       return 1;
+}
+__setup("nokgdb", nokgdb);
+
 /* Default to UART1 */
 int kgdb_port = 1;
 #ifdef CONFIG_SIBYTE_SB1250_DUART
@@ -296,10 +307,10 @@ int sb1250_steal_irq(int irq)
 }
 
 /*
- *  arch_init_irq is called early in the boot sequence from init/main.c via
- *  init_IRQ.  It is responsible for setting up the interrupt mapper and
- *  installing the handler that will be responsible for dispatching interrupts
- *  to the "right" place.
+ *  init_IRQ is called early in the boot sequence from init/main.c.  It
+ *  is responsible for setting up the interrupt mapper and installing the
+ *  handler that will be responsible for dispatching interrupts to the
+ *  "right" place.
  */
 /*
  * For now, map all interrupts to IP[2].  We could save
@@ -321,7 +332,7 @@ int sb1250_steal_irq(int irq)
 #define IMR_IP5_VAL    K_INT_MAP_I3
 #define IMR_IP6_VAL    K_INT_MAP_I4
 
-void __init arch_init_irq(void)
+void __init init_IRQ(void)
 {
 
        unsigned int i;
@@ -394,6 +405,10 @@ void __init arch_init_irq(void)
                             IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
                                    (kgdb_irq<<3)));
                sb1250_unmask_irq(0, kgdb_irq);
+
+               prom_printf("Waiting for GDB on UART port %d\n", kgdb_port);
+               set_debug_traps();
+               breakpoint();
        }
 #endif
 }