1 files changed, 15 insertions, 1 deletions

diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index a9c15515bfd..a1f9641a642 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -203,6 +203,8 @@ struct hw_breakpoint {
 
 int kgdb_arch_init(void)
 {
+        debugger_step = 0;
+
         kgdb_remove_all_hw_break();
         return 0;
 }
@@ -368,6 +370,7 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
         char *ptr;
         int newPC;
         int wp_status;
+        int i;
 
         switch (remcom_in_buffer[0]) {
         case 'c':
@@ -392,7 +395,18 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
                 /* set the trace bit if we're stepping */
                 if (remcom_in_buffer[0] == 's') {
                         linux_regs->syscfg |= 0x1;
-                        debugger_step = 1;
+                        debugger_step = linux_regs->ipend;
+                        debugger_step >>= 6;
+                        for (i = 10; i > 0; i--, debugger_step >>= 1)
+                                if (debugger_step & 1)
+                                        break;
+                        /* i indicate event priority of current stopped instruction
+                         * user space instruction is 0, IVG15 is 1, IVTMR is 10.
+                         * debugger_step > 0 means in single step mode
+                         */
+                        debugger_step = i + 1;
+                } else {
+                        debugger_step = 0;
                 }
 
                 wp_status = bfin_read_WPSTAT();