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Re: [Qemu-devel] [PATCH] target-mips: correct DERET instruction
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH] target-mips: correct DERET instruction |
Date: |
Tue, 14 Jul 2015 17:45:35 +0200 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On 2015-07-14 11:08, Leon Alrae wrote:
> Fix Debug Mode flag clearing, and when DERET is placed between LL and SC
> do not make SC fail.
>
> Signed-off-by: Leon Alrae <address@hidden>
> ---
> target-mips/op_helper.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
> index 2a9ddff..d461ad8 100644
> --- a/target-mips/op_helper.c
> +++ b/target-mips/op_helper.c
> @@ -2154,10 +2154,9 @@ void helper_deret(CPUMIPSState *env)
> debug_pre_eret(env);
> set_pc(env, env->CP0_DEPC);
>
> - env->hflags &= MIPS_HFLAG_DM;
> + env->hflags &= ~MIPS_HFLAG_DM;
> compute_hflags(env);
> debug_post_eret(env);
> - env->lladdr = 1;
> }
> #endif /* !CONFIG_USER_ONLY */
Reviewed-by: Aurelien Jarno <address@hidden>
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
address@hidden http://www.aurel32.net