[PATCH 25/30] microblaze_mmu_v1: Update signal returning address

[monstr]

From: Michal Simek <monstr@xxxxxxxxx>

Signed-off-by: Michal Simek <monstr@xxxxxxxxx>
---
 arch/microblaze/kernel/signal.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 40d3693..c93a3d6 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -463,7 +463,15 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
 	case -ERESTARTNOINTR:
 do_restart:
 		/* offset of 4 bytes to re-execute trap (brki) instruction */
+#ifndef CONFIG_MMU
 		regs->pc -= 4;
+#else
+		/* offset of 8 bytes required = 4 for rtbd
+		   offset, plus 4 for size of
+			"brki r14,8"
+		   instruction. */
+		regs->pc -= 8;
+#endif
 		break;
 	}
 }
-- 
1.5.5.1

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