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-rw-r--r--arch/blackfin/kernel/kgdb.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index edae461b1c54..eb92592fd80c 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -345,6 +345,23 @@ void kgdb_roundup_cpu(int cpu, unsigned long flags)
}
#endif
+#ifdef CONFIG_IPIPE
+static unsigned long kgdb_arch_imask;
+#endif
+
+void kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code)
+{
+ if (kgdb_single_step)
+ preempt_enable();
+
+#ifdef CONFIG_IPIPE
+ if (kgdb_arch_imask) {
+ cpu_pda[raw_smp_processor_id()].ex_imask = kgdb_arch_imask;
+ kgdb_arch_imask = 0;
+ }
+#endif
+}
+
int kgdb_arch_handle_exception(int vector, int signo,
int err_code, char *remcom_in_buffer,
char *remcom_out_buffer,
@@ -388,6 +405,12 @@ int kgdb_arch_handle_exception(int vector, int signo,
* kgdb_single_step > 0 means in single step mode
*/
kgdb_single_step = i + 1;
+
+ preempt_disable();
+#ifdef CONFIG_IPIPE
+ kgdb_arch_imask = cpu_pda[raw_smp_processor_id()].ex_imask;
+ cpu_pda[raw_smp_processor_id()].ex_imask = 0;
+#endif
}
bfin_correct_hw_break();
@@ -448,6 +471,9 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
int kgdb_arch_init(void)
{
kgdb_single_step = 0;
+#ifdef CONFIG_IPIPE
+ kgdb_arch_imask = 0;
+#endif
bfin_remove_all_hw_break();
return 0;