On 1/7/20 5:48 AM, David Gibson wrote:
> Currently we create the Real Mode Offset Register (RMOR) on all Book3S cpus
> from POWER7 onwards.  However the translation mode which the RMOR controls
> is no longer supported in POWER9, and so the register has been removed from
> the architecture.
> 
> Remove it from our model on POWER9 and POWER10.
> 
> Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>

Reviewed-by: Cédric Le Goater <c...@kaod.org>


> ---
>  target/ppc/translate_init.inc.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
> index 436d0d5a51..893fb12e90 100644
> --- a/target/ppc/translate_init.inc.c
> +++ b/target/ppc/translate_init.inc.c
> @@ -8003,12 +8003,16 @@ static void gen_spr_book3s_ids(CPUPPCState *env)
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   &spr_read_generic, &spr_write_generic,
>                   0x00000000);
> -    spr_register_hv(env, SPR_RMOR, "RMOR",
> +    spr_register_hv(env, SPR_HRMOR, "HRMOR",
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   &spr_read_generic, &spr_write_generic,
>                   0x00000000);
> -    spr_register_hv(env, SPR_HRMOR, "HRMOR",
> +}
> +
> +static void gen_spr_rmor(CPUPPCState *env)
> +{
> +    spr_register_hv(env, SPR_RMOR, "RMOR",
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   &spr_read_generic, &spr_write_generic,
> @@ -8522,6 +8526,7 @@ static void init_proc_POWER7(CPUPPCState *env)
>  
>      /* POWER7 Specific Registers */
>      gen_spr_book3s_ids(env);
> +    gen_spr_rmor(env);
>      gen_spr_amr(env);
>      gen_spr_book3s_purr(env);
>      gen_spr_power5p_common(env);
> @@ -8663,6 +8668,7 @@ static void init_proc_POWER8(CPUPPCState *env)
>  
>      /* POWER8 Specific Registers */
>      gen_spr_book3s_ids(env);
> +    gen_spr_rmor(env);
>      gen_spr_amr(env);
>      gen_spr_iamr(env);
>      gen_spr_book3s_purr(env);
> 


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