[04/10] PPC: Add L1CFG1 SPR emulation

In addition to the L1 data cache configuration register L1CFG0 there is
also another one for the L1 instruction cache called L1CFG1.

Emulate that one with the same values as the data one.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
 target-ppc/cpu.h            | 1 +
 target-ppc/translate_init.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

On Mon, 2014-01-20 at 00:44 +0100, Alexander Graf wrote:
> In addition to the L1 data cache configuration register L1CFG0 there is
> also another one for the L1 instruction cache called L1CFG1.
> 
> Emulate that one with the same values as the data one.
> 
> Signed-off-by: Alexander Graf <agraf@suse.de>
> ---
>  target-ppc/cpu.h            | 1 +
>  target-ppc/translate_init.c | 8 +++++++-
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
> index 1289e13..15abad4 100644
> --- a/target-ppc/cpu.h
> +++ b/target-ppc/cpu.h
> @@ -1367,6 +1367,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
>  #define SPR_Exxx_BBEAR        (0x201)
>  #define SPR_Exxx_BBTAR        (0x202)
>  #define SPR_Exxx_L1CFG0       (0x203)
> +#define SPR_Exxx_L1CFG1       (0x204)
>  #define SPR_Exxx_NPIDR        (0x205)
>  #define SPR_ATBL              (0x20E)
>  #define SPR_ATBU              (0x20F)
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 37a0ed2..403ce7a 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -4437,6 +4437,8 @@ static void init_proc_e500 (CPUPPCState *env, int version)
>      uint64_t ivpr_mask = 0xFFFF0000ULL;
>      uint32_t l1cfg0 = 0x3800  /* 8 ways */
>                      | 0x0020; /* 32 kb */
> +    uint32_t l1cfg1 = 0x3800  /* 8 ways */
> +                    | 0x0020; /* 32 kb */
>  #if !defined(CONFIG_USER_ONLY)
>      int i;
>  #endif
> @@ -4505,6 +4507,7 @@ static void init_proc_e500 (CPUPPCState *env, int version)
>          env->dcache_line_size = 64;
>          env->icache_line_size = 64;
>          l1cfg0 |= 0x1000000; /* 64 byte cache block size */
> +        l1cfg1 |= 0x1000000; /* 64 byte cache block size */
>          break;
>      default:
>          cpu_abort(env, "Unknown CPU: " TARGET_FMT_lx "\n", env->spr[SPR_PVR]);
> @@ -4555,7 +4558,10 @@ static void init_proc_e500 (CPUPPCState *env, int version)
>                   SPR_NOACCESS, SPR_NOACCESS,
>                   &spr_read_generic, &spr_write_generic,
>                   l1cfg0);
> -    /* XXX : not implemented */
> +    spr_register(env, SPR_Exxx_L1CFG1, "L1CFG1",
> +                 SPR_NOACCESS, SPR_NOACCESS,
> +                 &spr_read_generic, &spr_write_generic,
> +                 l1cfg1);

LICFGn should be read-only.

-Scott