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Re: [Qemu-devel] [PATCH 18/28] xtensa: replace cpu_xtensa_init() with cp


From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PATCH 18/28] xtensa: replace cpu_xtensa_init() with cpu_generic_init()
Date: Wed, 16 Aug 2017 16:56:40 -0300
User-agent: Mutt/1.8.0 (2017-02-23)

On Fri, Jul 14, 2017 at 03:52:09PM +0200, Igor Mammedov wrote:
> call xtensa_irq_init() at realize time which makes
> cpu_xtensa_init() like generic cpu creation function.
> As result we can replace it with cpu_generic_init()
> which does the same job, reducing code duplication a bit.
> 
> Signed-off-by: Igor Mammedov <address@hidden>

Looks good to me.  Were you able to test it?

> ---
> CC: Max Filippov <address@hidden>
> ---
>  target/xtensa/cpu.h    |  4 +---
>  hw/xtensa/sim.c        |  2 +-
>  hw/xtensa/xtfpga.c     |  2 +-
>  target/xtensa/cpu.c    |  3 +++
>  target/xtensa/helper.c | 22 ----------------------
>  5 files changed, 6 insertions(+), 27 deletions(-)
> 
> diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
> index ee29fb1..4803331 100644
> --- a/target/xtensa/cpu.h
> +++ b/target/xtensa/cpu.h
> @@ -475,9 +475,7 @@ void xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr 
> addr,
>  #define XTENSA_DEFAULT_CPU_MODEL "dc232b"
>  #endif
>  
> -XtensaCPU *cpu_xtensa_init(const char *cpu_model);
> -
> -#define cpu_init(cpu_model) CPU(cpu_xtensa_init(cpu_model))
> +#define cpu_init(cpu_model) cpu_generic_init(TYPE_XTENSA_CPU, cpu_model)
>  
>  void xtensa_translate_init(void);
>  void xtensa_breakpoint_handler(CPUState *cs);
> diff --git a/hw/xtensa/sim.c b/hw/xtensa/sim.c
> index 5521e91..bf1f729 100644
> --- a/hw/xtensa/sim.c
> +++ b/hw/xtensa/sim.c
> @@ -86,7 +86,7 @@ static void xtensa_sim_init(MachineState *machine)
>      }
>  
>      for (n = 0; n < smp_cpus; n++) {
> -        cpu = cpu_xtensa_init(cpu_model);
> +        cpu = XTENSA_CPU(cpu_generic_init(TYPE_XTENSA_CPU, cpu_model));
>          if (cpu == NULL) {
>              error_report("unable to find CPU definition '%s'",
>                           cpu_model);
> diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
> index d5ac080..b656660 100644
> --- a/hw/xtensa/xtfpga.c
> +++ b/hw/xtensa/xtfpga.c
> @@ -232,7 +232,7 @@ static void lx_init(const LxBoardDesc *board, 
> MachineState *machine)
>      }
>  
>      for (n = 0; n < smp_cpus; n++) {
> -        cpu = cpu_xtensa_init(cpu_model);
> +        cpu = XTENSA_CPU(cpu_generic_init(TYPE_XTENSA_CPU, cpu_model));
>          if (cpu == NULL) {
>              error_report("unable to find CPU definition '%s'",
>                           cpu_model);
> diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
> index cd7f958..85897df 100644
> --- a/target/xtensa/cpu.c
> +++ b/target/xtensa/cpu.c
> @@ -100,9 +100,12 @@ static ObjectClass *xtensa_cpu_class_by_name(const char 
> *cpu_model)
>  static void xtensa_cpu_realizefn(DeviceState *dev, Error **errp)
>  {
>      CPUState *cs = CPU(dev);
> +    XtensaCPU *cpu = XTENSA_CPU(dev);
>      XtensaCPUClass *xcc = XTENSA_CPU_GET_CLASS(dev);
>      Error *local_err = NULL;
>  
> +    xtensa_irq_init(&cpu->env);
> +
>      cpu_exec_realizefn(cs, &local_err);
>      if (local_err != NULL) {
>          error_propagate(errp, local_err);
> diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
> index bcd0b77..e8fba20 100644
> --- a/target/xtensa/helper.c
> +++ b/target/xtensa/helper.c
> @@ -113,28 +113,6 @@ void xtensa_breakpoint_handler(CPUState *cs)
>      }
>  }
>  
> -XtensaCPU *cpu_xtensa_init(const char *cpu_model)
> -{
> -    ObjectClass *oc;
> -    XtensaCPU *cpu;
> -    CPUXtensaState *env;
> -
> -    oc = cpu_class_by_name(TYPE_XTENSA_CPU, cpu_model);
> -    if (oc == NULL) {
> -        return NULL;
> -    }
> -
> -    cpu = XTENSA_CPU(object_new(object_class_get_name(oc)));
> -    env = &cpu->env;
> -
> -    xtensa_irq_init(env);
> -
> -    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
> -
> -    return cpu;
> -}
> -
> -
>  void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf)
>  {
>      XtensaConfigList *core = xtensa_cores;
> -- 
> 2.7.4
> 
> 

-- 
Eduardo



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