Re: [Qemu-devel] [PATCH for-2.11 1/6] ppc: use macros to make cpu type name from string literal

[David Gibson <david@gibson.dropbear.id.au>]

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On Thu, Aug 24, 2017 at 10:21:46AM +0200, Igor Mammedov wrote:
> Replace
>   "-" TYPE_POWERPC_CPU
> when composing cpu type name from cpu model string literal
> and the same pattern in format strings with
>  POWERPC_CPU_TYPE_SUFFIX and POWERPC_CPU_TYPE_NAME(model)
> macroses like we do in x86.
> 
> Later POWERPC_CPU_TYPE_NAME() will be used to define default
> cpu type per machine type and as bonus it will be consistent
> and easy grep-able pattern across all other targets that I'm
> plannig to treat the same way.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

I'm assuming you'll stage this for 2.11.

> ---
>  target/ppc/cpu.h            | 3 +++
>  target/ppc/kvm_ppc.h        | 2 +-
>  target/ppc/cpu-models.c     | 2 +-
>  target/ppc/kvm.c            | 2 +-
>  target/ppc/translate_init.c | 6 +++---
>  5 files changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
> index 12f0949..0512393 100644
> --- a/target/ppc/cpu.h
> +++ b/target/ppc/cpu.h
> @@ -1354,6 +1354,9 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val);
>  
>  #define cpu_init(cpu_model) cpu_generic_init(TYPE_POWERPC_CPU, cpu_model)
>  
> +#define POWERPC_CPU_TYPE_SUFFIX "-" TYPE_POWERPC_CPU
> +#define POWERPC_CPU_TYPE_NAME(model) model POWERPC_CPU_TYPE_SUFFIX
> +
>  #define cpu_signal_handler cpu_ppc_signal_handler
>  #define cpu_list ppc_cpu_list
>  
> diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
> index 6bc6fb3..bcb40f2 100644
> --- a/target/ppc/kvm_ppc.h
> +++ b/target/ppc/kvm_ppc.h
> @@ -9,7 +9,7 @@
>  #ifndef KVM_PPC_H
>  #define KVM_PPC_H
>  
> -#define TYPE_HOST_POWERPC_CPU "host-" TYPE_POWERPC_CPU
> +#define TYPE_HOST_POWERPC_CPU POWERPC_CPU_TYPE_NAME("host")
>  
>  #ifdef CONFIG_KVM
>  
> diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
> index 4d3e635..8b27962 100644
> --- a/target/ppc/cpu-models.c
> +++ b/target/ppc/cpu-models.c
> @@ -51,7 +51,7 @@
>                                                                              \
>      static const TypeInfo                                                   \
>      glue(POWERPC_DEF_PREFIX(_pvr, _svr, _type), _cpu_type_info) = {         \
> -        .name       = _name "-" TYPE_POWERPC_CPU,                           \
> +        .name       = POWERPC_CPU_TYPE_NAME(_name),                           \
>          .parent     = stringify(_type) "-family-" TYPE_POWERPC_CPU,         \
>          .class_init =                                                       \
>              glue(POWERPC_DEF_PREFIX(_pvr, _svr, _type), _cpu_class_init),   \
> diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
> index 8571379..8590809 100644
> --- a/target/ppc/kvm.c
> +++ b/target/ppc/kvm.c
> @@ -2484,7 +2484,7 @@ static int kvm_ppc_register_host_cpu_type(void)
>              char *suffix;
>  
>              ppc_cpu_aliases[i].model = g_strdup(object_class_get_name(oc));
> -            suffix = strstr(ppc_cpu_aliases[i].model, "-"TYPE_POWERPC_CPU);
> +            suffix = strstr(ppc_cpu_aliases[i].model, POWERPC_CPU_TYPE_SUFFIX);
>              if (suffix) {
>                  *suffix = 0;
>              }
> diff --git a/target/ppc/translate_init.c b/target/ppc/translate_init.c
> index 43be9a8..f377cf2 100644
> --- a/target/ppc/translate_init.c
> +++ b/target/ppc/translate_init.c
> @@ -10185,7 +10185,7 @@ static gint ppc_cpu_compare_class_name(gconstpointer a, gconstpointer b)
>      if (strncasecmp(name, object_class_get_name(oc), strlen(name)) == 0 &&
>          ppc_cpu_is_valid(pcc) &&
>          strcmp(object_class_get_name(oc) + strlen(name),
> -               "-" TYPE_POWERPC_CPU) == 0) {
> +               POWERPC_CPU_TYPE_SUFFIX) == 0) {
>          return 0;
>      }
>      return -1;
> @@ -10327,7 +10327,7 @@ static void ppc_cpu_list_entry(gpointer data, gpointer user_data)
>      }
>  
>      name = g_strndup(typename,
> -                     strlen(typename) - strlen("-" TYPE_POWERPC_CPU));
> +                     strlen(typename) - strlen(POWERPC_CPU_TYPE_SUFFIX));
>      (*s->cpu_fprintf)(s->file, "PowerPC %-16s PVR %08x\n",
>                        name, pcc->pvr);
>      for (i = 0; ppc_cpu_aliases[i].alias != NULL; i++) {
> @@ -10388,7 +10388,7 @@ static void ppc_cpu_defs_entry(gpointer data, gpointer user_data)
>      typename = object_class_get_name(oc);
>      info = g_malloc0(sizeof(*info));
>      info->name = g_strndup(typename,
> -                           strlen(typename) - strlen("-" TYPE_POWERPC_CPU));
> +                           strlen(typename) - strlen(POWERPC_CPU_TYPE_SUFFIX));
>  
>      entry = g_malloc0(sizeof(*entry));
>      entry->value = info;

-- 
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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