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Re: [Qemu-devel] [PATCH v3 10/10] ppc: A couple more dummy POWER8 Book4


From: Cédric Le Goater
Subject: Re: [Qemu-devel] [PATCH v3 10/10] ppc: A couple more dummy POWER8 Book4 regs
Date: Tue, 22 Mar 2016 15:03:20 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.6.0

On 03/22/2016 02:56 PM, Thomas Huth wrote:
> On 21.03.2016 13:52, Cédric Le Goater wrote:
>> From: Benjamin Herrenschmidt <address@hidden>
>>
>> Signed-off-by: Benjamin Herrenschmidt <address@hidden>
>> [clg: squashed in patch 'ppc: Add dummy ACOP SPR' ]
>> Signed-off-by: Cédric Le Goater <address@hidden>
>> Reviewed-by: Thomas Huth <address@hidden>
>> Reviewed-by: David Gibson <address@hidden>
>> ---
>>  target-ppc/cpu.h            |  3 +++
>>  target-ppc/translate_init.c | 12 ++++++++++++
>>  2 files changed, 15 insertions(+)
>>
>> diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
>> index 29c48600d950..676081e69dc0 100644
>> --- a/target-ppc/cpu.h
>> +++ b/target-ppc/cpu.h
>> @@ -1355,7 +1355,9 @@ static inline int cpu_mmu_index (CPUPPCState *env, 
>> bool ifetch)
>>  #define SPR_SRR1              (0x01B)
>>  #define SPR_CFAR              (0x01C)
>>  #define SPR_AMR               (0x01D)
>> +#define SPR_ACOP              (0x01F)
>>  #define SPR_BOOKE_PID         (0x030)
>> +#define SPR_BOOKS_PID         (0x030)
>>  #define SPR_BOOKE_DECAR       (0x036)
>>  #define SPR_BOOKE_CSRR0       (0x03A)
>>  #define SPR_BOOKE_CSRR1       (0x03B)
>> @@ -1706,6 +1708,7 @@ static inline int cpu_mmu_index (CPUPPCState *env, 
>> bool ifetch)
>>  #define SPR_POWER_SPMC1       (0x37C)
>>  #define SPR_POWER_SPMC2       (0x37D)
>>  #define SPR_POWER_MMCRS       (0x37E)
>> +#define SPR_WORT              (0x37F)
>>  #define SPR_PPR               (0x380)
>>  #define SPR_750_GQR0          (0x390)
>>  #define SPR_440_DNV0          (0x390)
>> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
>> index 5f53098faef7..51e8058c468e 100644
>> --- a/target-ppc/translate_init.c
>> +++ b/target-ppc/translate_init.c
>> @@ -8018,6 +8018,18 @@ static void gen_spr_power8_ic(CPUPPCState *env)
>>                      &spr_read_generic, SPR_NOACCESS,
>>                      &spr_read_generic, &spr_write_generic,
>>                      0);
>> +    spr_register_kvm(env, SPR_ACOP, "ACOP",
>> +                     SPR_NOACCESS, SPR_NOACCESS,
>> +                     &spr_read_generic, &spr_write_generic,
>> +                     KVM_REG_PPC_ACOP, 0);
>> +    spr_register_kvm(env, SPR_BOOKS_PID, "PID",
>> +                     SPR_NOACCESS, SPR_NOACCESS,
>> +                     &spr_read_generic, &spr_write_generic,
>> +                     KVM_REG_PPC_PID, 0);
>> +    spr_register_kvm(env, SPR_WORT, "WORT",
>> +                     SPR_NOACCESS, SPR_NOACCESS,
>> +                     &spr_read_generic, &spr_write_generic,
>> +                     KVM_REG_PPC_WORT, 0);
>>  #endif
>>  }
> 
> In the original patch, the registers had been added to a function called
> gen_spr_power8_book4() ... now they are added to gen_spr_power8_ic() ...
> was that on purpose or rather by accident?

This is an accident which occurred when I removed SPR_MPPR. I will send a
fix.

Thanks,

C. 




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