diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
index 200c1d4f1efe..3e150326f1fd 100644
--- a/arch/sh/boot/compressed/head_32.S
+++ b/arch/sh/boot/compressed/head_32.S
@@ -91,7 +91,9 @@ bss_start_addr:
 end_addr:
 	.long	_end
 init_sr:
-	.long	0x400000F0	/* Privileged mode, Bank=0, Block=0, IMASK=0xF */
+	.long	0x500000F0	/* Privileged mode, Bank=0, Block=1, IMASK=0xF */
+kexec_magic:
+	.long	0x400000F0	/* magic used by kexec to parse zImage format */
 init_stack_addr:
 	.long	stack_start
 decompress_kernel_addr:
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S
index 6e35f012cc03..7db248936b60 100644
--- a/arch/sh/kernel/head_32.S
+++ b/arch/sh/kernel/head_32.S
@@ -330,7 +330,7 @@ ENTRY(_stext)
 #if defined(CONFIG_CPU_SH2)
 1:	.long	0x000000F0		! IMASK=0xF
 #else
-1:	.long	0x400080F0		! MD=1, RB=0, BL=0, FD=1, IMASK=0xF
+1:	.long	0x500080F0		! MD=1, RB=0, BL=1, FD=1, IMASK=0xF
 #endif
 ENTRY(stack_start)
 2:	.long	init_thread_union+THREAD_SIZE
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index c3d86fa71ddf..f5613529a6bf 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -802,6 +802,9 @@ void __cpuinit per_cpu_trap_init(void)
 		     : /* no output */
 		     : "r" (&vbr_base)
 		     : "memory");
+
+	/* disable exception blocking now when the vbr has been setup */
+	clear_bl_bit();
 }
 
 void *set_exception_table_vec(unsigned int vec, void *handler)