Re: [PATCH] Remove wrappers

[Janosch Frank <frankja@linux.ibm.com>]

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On 11/22/19 1:23 PM, David Hildenbrand wrote:
> On 22.11.19 13:20, Janosch Frank wrote:
>> That's what it would look like.
>>
>> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
>> ---
>>   target/s390x/cpu-qom.h | 12 ++++++++----
>>   target/s390x/cpu.c     | 28 +++++-----------------------
>>   target/s390x/cpu.h     |  8 +++++---
>>   target/s390x/sigp.c    |  4 ++--
>>   4 files changed, 20 insertions(+), 32 deletions(-)
>>
>> diff --git a/target/s390x/cpu-qom.h b/target/s390x/cpu-qom.h
>> index b809ec8418..e8ec999e77 100644
>> --- a/target/s390x/cpu-qom.h
>> +++ b/target/s390x/cpu-qom.h
>> @@ -34,13 +34,18 @@
>>   typedef struct S390CPUModel S390CPUModel;
>>   typedef struct S390CPUDef S390CPUDef;
>>   
>> +typedef enum cpu_reset_type {
>> +    S390_CPU_RESET_NORMAL,
>> +    S390_CPU_RESET_INITIAL,
>> +    S390_CPU_RESET_CLEAR,
>> +} cpu_reset_type;
>> +
>>   /**
>>    * S390CPUClass:
>>    * @parent_realize: The parent class' realize handler.
>>    * @parent_reset: The parent class' reset handler.
>>    * @load_normal: Performs a load normal.
>> - * @cpu_reset: Performs a CPU reset.
>> - * @initial_cpu_reset: Performs an initial CPU reset.
>> + * @reset: Performs a CPU reset of a given type.
>>    *
>>    * An S/390 CPU model.
>>    */
>> @@ -57,8 +62,7 @@ typedef struct S390CPUClass {
>>       DeviceRealize parent_realize;
>>       void (*parent_reset)(CPUState *cpu);
>>       void (*load_normal)(CPUState *cpu);
>> -    void (*cpu_reset)(CPUState *cpu);
>> -    void (*initial_cpu_reset)(CPUState *cpu);
>> +    void (*reset)(CPUState *cpu, cpu_reset_type type);
>>   } S390CPUClass;
>>   
>>   typedef struct S390CPU S390CPU;
>> diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
>> index 556afecbc1..970495d042 100644
>> --- a/target/s390x/cpu.c
>> +++ b/target/s390x/cpu.c
>> @@ -82,12 +82,6 @@ static void s390_cpu_load_normal(CPUState *s)
>>   }
>>   #endif
>>   
>> -typedef enum cpu_reset_type {
>> -    S390_CPU_RESET_NORMAL,
>> -    S390_CPU_RESET_INITIAL,
>> -    S390_CPU_RESET_CLEAR,
>> -} cpu_reset_type;
>> -
>>   static void s390_cpu_reset(CPUState *s, cpu_reset_type type)
>>   {
>>       S390CPU *cpu = S390_CPU(s);
>> @@ -138,21 +132,6 @@ static void s390_cpu_reset(CPUState *s, cpu_reset_type type)
>>   #endif
>>   }
>>   
>> -static void s390_cpu_reset_normal(CPUState *s)
>> -{
>> -    return s390_cpu_reset(s, S390_CPU_RESET_NORMAL);
>> -}
>> -
>> -static void s390_cpu_reset_initial(CPUState *s)
>> -{
>> -    return s390_cpu_reset(s, S390_CPU_RESET_INITIAL);
>> -}
>> -
>> -static void s390_cpu_reset_clear(CPUState *s)
>> -{
>> -    return s390_cpu_reset(s, S390_CPU_RESET_CLEAR);
>> -}
>> -
>>   #if !defined(CONFIG_USER_ONLY)
>>   static void s390_cpu_machine_reset_cb(void *opaque)
>>   {
>> @@ -444,6 +423,11 @@ static Property s390x_cpu_properties[] = {
>>       DEFINE_PROP_END_OF_LIST()
>>   };
>>   
>> +static void s390_cpu_reset_clear(CPUState *s)
>> +{
>> +    return s390_cpu_reset(s, S390_CPU_RESET_CLEAR);
>> +}
>> +
>>   static void s390_cpu_class_init(ObjectClass *oc, void *data)
>>   {
>>       S390CPUClass *scc = S390_CPU_CLASS(oc);
>> @@ -459,8 +443,6 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
>>   #if !defined(CONFIG_USER_ONLY)
>>       scc->load_normal = s390_cpu_load_normal;
>>   #endif
>> -    scc->cpu_reset = s390_cpu_reset_normal;
>> -    scc->initial_cpu_reset = s390_cpu_reset_initial;
> 
> You have to set
> 
> scc->reset = s390_cpu_reset;
> 
> if I'm not wrong.

Yeah, that would make sense :)
I'm also going to tripple check if we are doing the right resets.


> 
>>       cc->reset = s390_cpu_reset_clear;
>>       cc->class_by_name = s390_cpu_class_by_name,
>>       cc->has_work = s390_cpu_has_work;
>> diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
>> index 17460ed7b3..687b31d87e 100644
>> --- a/target/s390x/cpu.h
>> +++ b/target/s390x/cpu.h
>> @@ -734,21 +734,23 @@ static inline uint64_t s390_build_validity_mcic(void)
>>   
>>   static inline void s390_do_cpu_full_reset(CPUState *cs, run_on_cpu_data arg)
>>   {
>> -    cpu_reset(cs);
>> +    S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
>> +
>> +    scc->reset(cs, S390_CPU_RESET_CLEAR);
>>   }
>>   
>>   static inline void s390_do_cpu_reset(CPUState *cs, run_on_cpu_data arg)
>>   {
>>       S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
>>   
>> -    scc->cpu_reset(cs);
>> +    scc->reset(cs, S390_CPU_RESET_CLEAR);
>>   }
>>   
>>   static inline void s390_do_cpu_initial_reset(CPUState *cs, run_on_cpu_data arg)
>>   {
>>       S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
>>   
>> -    scc->initial_cpu_reset(cs);
>> +    scc->reset(cs, S390_CPU_RESET_INITIAL);
>>   }
>>   
>>   static inline void s390_do_cpu_load_normal(CPUState *cs, run_on_cpu_data arg)
>> diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c
>> index 2ce22d4dc1..727875bb4a 100644
>> --- a/target/s390x/sigp.c
>> +++ b/target/s390x/sigp.c
>> @@ -254,7 +254,7 @@ static void sigp_initial_cpu_reset(CPUState *cs, run_on_cpu_data arg)
>>       SigpInfo *si = arg.host_ptr;
>>   
>>       cpu_synchronize_state(cs);
>> -    scc->initial_cpu_reset(cs);
>> +    scc->reset(cs, S390_CPU_RESET_INITIAL);
>>       cpu_synchronize_post_reset(cs);
>>       si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
>>   }
>> @@ -266,7 +266,7 @@ static void sigp_cpu_reset(CPUState *cs, run_on_cpu_data arg)
>>       SigpInfo *si = arg.host_ptr;
>>   
>>       cpu_synchronize_state(cs);
>> -    scc->cpu_reset(cs);
>> +    scc->reset(cs, S390_CPU_RESET_NORMAL);
>>       cpu_synchronize_post_reset(cs);
>>       si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
>>   }
>>
> 
> Looks good and much cleaner to me :)
> 



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