Re: [Qemu-devel] [PATCH 15/28] microblaze: replace cpu_mb_init() with cpu_generic_init()

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

On 07/14/2017 10:52 AM, Igor Mammedov wrote:
> cpu_mb_init() always falls back to TYPE_MICROBLAZE_CPU object
> regardless of cpu_model. Put fallback logic into
> mb_cpu_class_by_name() which would translate any cpu_model
> into TYPE_MICROBLAZE_CPU class and replace cpu_mb_init()
> with cpu_generic_init().
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
> CC: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
> ---
>   target/microblaze/cpu.h       |  3 +--
>   target/microblaze/cpu.c       |  6 ++++++
>   target/microblaze/translate.c | 11 -----------
>   3 files changed, 7 insertions(+), 13 deletions(-)
> 
> diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h
> index 5ce4c82..52b6b6a 100644
> --- a/target/microblaze/cpu.h
> +++ b/target/microblaze/cpu.h
> @@ -331,7 +331,6 @@ int mb_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
>   int mb_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
>   
>   void mb_tcg_init(void);
> -MicroBlazeCPU *cpu_mb_init(const char *cpu_model);
>   /* you can call this signal handler from your SIGBUS and SIGSEGV
>      signal handlers to inform the virtual CPU of exceptions. non zero
>      is returned if the signal was handled by the virtual CPU.  */
> @@ -344,7 +343,7 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo,
>   #define TARGET_PHYS_ADDR_SPACE_BITS 32
>   #define TARGET_VIRT_ADDR_SPACE_BITS 32
>   
> -#define cpu_init(cpu_model) CPU(cpu_mb_init(cpu_model))
> +#define cpu_init(cpu_model) cpu_generic_init(TYPE_MICROBLAZE_CPU, cpu_model)
>   
>   #define cpu_signal_handler cpu_mb_signal_handler
>   
> diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
> index f85ff01..ddffe86 100644
> --- a/target/microblaze/cpu.c
> +++ b/target/microblaze/cpu.c
> @@ -253,6 +253,11 @@ static Property mb_properties[] = {
>       DEFINE_PROP_END_OF_LIST(),
>   };
>   
> +static ObjectClass *mb_cpu_class_by_name(const char *cpu_model)
> +{
> +    return object_class_by_name(TYPE_MICROBLAZE_CPU);
> +}
> +
>   static void mb_cpu_class_init(ObjectClass *oc, void *data)
>   {
>       DeviceClass *dc = DEVICE_CLASS(oc);
> @@ -265,6 +270,7 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data)
>       mcc->parent_reset = cc->reset;
>       cc->reset = mb_cpu_reset;
>   
> +    cc->class_by_name = mb_cpu_class_by_name;
>       cc->has_work = mb_cpu_has_work;
>       cc->do_interrupt = mb_cpu_do_interrupt;
>       cc->cpu_exec_interrupt = mb_cpu_exec_interrupt;
> diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
> index cb65d1e..c97c9d8 100644
> --- a/target/microblaze/translate.c
> +++ b/target/microblaze/translate.c
> @@ -1845,17 +1845,6 @@ void mb_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
>       cpu_fprintf(f, "\n\n");
>   }
>   
> -MicroBlazeCPU *cpu_mb_init(const char *cpu_model)
> -{
> -    MicroBlazeCPU *cpu;
> -
> -    cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
> -
> -    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
> -
> -    return cpu;
> -}
> -
>   void mb_tcg_init(void)
>   {
>       int i;
>