sh: Make sure rte delay slots are nopped out on all parts.

Future SH parts do not support any instruction but a nop in the rte delay
slot, so make the change for all offending parts. SH-5 is excluded from
this, and already has its own set of restrictions with regards to rte
delay slot handling.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 4 insertions, 2 deletions

diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index becc54c45692..c8a4331d9b8d 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -227,8 +227,9 @@ ENTRY(sh_bios_handler)
         mov.l   @r15+, r14
         add     #8,r15
         lds.l   @r15+, pr
+        mov.l   @r15+,r15
         rte
-         mov.l  @r15+,r15
+         nop
         .align  2
 1:      .long   gdb_vbr_vector
 #endif /* CONFIG_SH_STANDARD_BIOS */
diff --git a/arch/sh/kernel/cpu/sh2a/entry.S b/arch/sh/kernel/cpu/sh2a/entry.S
index ab3903eeda5c..222742ddc0d6 100644
--- a/arch/sh/kernel/cpu/sh2a/entry.S
+++ b/arch/sh/kernel/cpu/sh2a/entry.S
@@ -176,8 +176,9 @@ ENTRY(sh_bios_handler)
         movml.l @r15+,r14
         add     #8,r15
         lds.l   @r15+, pr
+        mov.l   @r15+,r15
         rte
-         mov.l  @r15+,r15
+         nop
         .align  2
 1:      .long   gdb_vbr_vector
 #endif /* CONFIG_SH_STANDARD_BIOS */