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| author |   Paul Mundt <lethal@linux-sh.org> | 2009-08-15 07:41:45 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 07:41:45 +0900 |
| commit | 7a90e00dda0bae66b5232d5a37155f13a0581369 (patch) | |
| tree | e130138a736823a84450c9eff6ff8e8b85940e39 | |
| parent | sh: stacktrace: Properly terminate the trace entry buffer. (diff) | |
| download | linux-dev-7a90e00dda0bae66b5232d5a37155f13a0581369.tar.xz linux-dev-7a90e00dda0bae66b5232d5a37155f13a0581369.zip | |
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>
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/entry.S | 3 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2a/entry.S | 3 |
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 */ |