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Re: [Qemu-devel] [PATCH] target/m68k: use EXCP_ILLEGAL instead of EXCP_U
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH] target/m68k: use EXCP_ILLEGAL instead of EXCP_UNSUPPORTED |
Date: |
Wed, 31 Oct 2018 11:02:35 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 |
On 10/30/18 4:55 PM, Laurent Vivier wrote:
> Coldfire defines an "Unsupported instruction" exception if execution
> of a valid instruction is attempted but the required hardware is not
> present in the processor.
>
> We use it with instructions that are in fact undefined or illegal,
> and the exception expected in this case by the kernel is the
> illegal exception, so this patch fixes that.
>
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
> linux-user/m68k/cpu_loop.c | 1 -
> target/m68k/cpu.h | 1 -
> target/m68k/translate.c | 6 +++---
> 3 files changed, 3 insertions(+), 5 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~