Re: [Qemu-devel] [PATCH 16/17] ppc: Add dummy CIABR SPR

[David Gibson]

On Mon, Mar 14, 2016 at 05:56:39PM +0100, Cédric Le Goater wrote:
> From: Benjamin Herrenschmidt <address@hidden>
> 
> We should implement HW breakpoint/watchpoint, qemu supports them...
> 
> Signed-off-by: Benjamin Herrenschmidt <address@hidden>

Reviewed-by: David Gibson <address@hidden>

But I'm assuming 2.7, not 2.6.

> ---
>  target-ppc/cpu.h            | 1 +
>  target-ppc/translate_init.c | 5 +++++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
> index 5203cc6a3bfb..9e1ef10b7dc6 100644
> --- a/target-ppc/cpu.h
> +++ b/target-ppc/cpu.h
> @@ -1400,6 +1400,7 @@ static inline int cpu_mmu_index (CPUPPCState *env, bool 
> ifetch)
>  #define SPR_DAWR              (0x0B4)
>  #define SPR_MPPR              (0x0B8)
>  #define SPR_RPR               (0x0BA)
> +#define SPR_CIABR             (0x0BB)
>  #define SPR_DAWRX             (0x0BC)
>  #define SPR_HFSCR             (0x0BE)
>  #define SPR_VRSAVE            (0x100)
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index cfb1bc088950..f88bdf7b3cd1 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -7603,6 +7603,11 @@ static void gen_spr_book3s_207_dbg(CPUPPCState *env)
>                          SPR_NOACCESS, SPR_NOACCESS,
>                          &spr_read_generic, &spr_write_generic,
>                          KVM_REG_PPC_DAWRX, 0x00000000);
> +    spr_register_kvm_hv(env, SPR_CIABR, "CIABR",
> +                        SPR_NOACCESS, SPR_NOACCESS,
> +                        SPR_NOACCESS, SPR_NOACCESS,
> +                        &spr_read_generic, &spr_write_generic,
> +                        KVM_REG_PPC_CIABR, 0x00000000);
>  }
>  
>  static void gen_spr_970_dbg(CPUPPCState *env)

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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