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Re: [Qemu-devel] [RFC for-4.1 12/25] target/ppc: Style fixes for machine


From: Cédric Le Goater
Subject: Re: [Qemu-devel] [RFC for-4.1 12/25] target/ppc: Style fixes for machine.c
Date: Mon, 25 Mar 2019 07:35:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 3/22/19 1:15 AM, David Gibson wrote:
> Signed-off-by: David Gibson <address@hidden>



Reviewed-by: Cédric Le Goater <address@hidden>

Thanks,

C.

> ---
>  target/ppc/machine.c | 106 +++++++++++++++++++++++++------------------
>  1 file changed, 63 insertions(+), 43 deletions(-)
> 
> diff --git a/target/ppc/machine.c b/target/ppc/machine.c
> index a92d0ad3a3..25cdb9088b 100644
> --- a/target/ppc/machine.c
> +++ b/target/ppc/machine.c
> @@ -24,22 +24,26 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int 
> version_id)
>  #endif
>      target_ulong xer;
>  
> -    for (i = 0; i < 32; i++)
> +    for (i = 0; i < 32; i++) {
>          qemu_get_betls(f, &env->gpr[i]);
> +    }
>  #if !defined(TARGET_PPC64)
> -    for (i = 0; i < 32; i++)
> +    for (i = 0; i < 32; i++) {
>          qemu_get_betls(f, &env->gprh[i]);
> +    }
>  #endif
>      qemu_get_betls(f, &env->lr);
>      qemu_get_betls(f, &env->ctr);
> -    for (i = 0; i < 8; i++)
> +    for (i = 0; i < 8; i++) {
>          qemu_get_be32s(f, &env->crf[i]);
> +    }
>      qemu_get_betls(f, &xer);
>      cpu_write_xer(env, xer);
>      qemu_get_betls(f, &env->reserve_addr);
>      qemu_get_betls(f, &env->msr);
> -    for (i = 0; i < 4; i++)
> +    for (i = 0; i < 4; i++) {
>          qemu_get_betls(f, &env->tgpr[i]);
> +    }
>      for (i = 0; i < 32; i++) {
>          union {
>              float64 d;
> @@ -56,14 +60,19 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int 
> version_id)
>      qemu_get_sbe32s(f, &slb_nr);
>  #endif
>      qemu_get_betls(f, &sdr1);
> -    for (i = 0; i < 32; i++)
> +    for (i = 0; i < 32; i++) {
>          qemu_get_betls(f, &env->sr[i]);
> -    for (i = 0; i < 2; i++)
> -        for (j = 0; j < 8; j++)
> +    }
> +    for (i = 0; i < 2; i++) {
> +        for (j = 0; j < 8; j++) {
>              qemu_get_betls(f, &env->DBAT[i][j]);
> -    for (i = 0; i < 2; i++)
> -        for (j = 0; j < 8; j++)
> +        }
> +    }
> +    for (i = 0; i < 2; i++) {
> +        for (j = 0; j < 8; j++) {
>              qemu_get_betls(f, &env->IBAT[i][j]);
> +        }
> +    }
>      qemu_get_sbe32s(f, &env->nb_tlb);
>      qemu_get_sbe32s(f, &env->tlb_per_way);
>      qemu_get_sbe32s(f, &env->nb_ways);
> @@ -71,17 +80,19 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int 
> version_id)
>      qemu_get_sbe32s(f, &env->id_tlbs);
>      qemu_get_sbe32s(f, &env->nb_pids);
>      if (env->tlb.tlb6) {
> -        // XXX assumes 6xx
> +        /* XXX assumes 6xx */
>          for (i = 0; i < env->nb_tlb; i++) {
>              qemu_get_betls(f, &env->tlb.tlb6[i].pte0);
>              qemu_get_betls(f, &env->tlb.tlb6[i].pte1);
>              qemu_get_betls(f, &env->tlb.tlb6[i].EPN);
>          }
>      }
> -    for (i = 0; i < 4; i++)
> +    for (i = 0; i < 4; i++) {
>          qemu_get_betls(f, &env->pb[i]);
> -    for (i = 0; i < 1024; i++)
> +    }
> +    for (i = 0; i < 1024; i++) {
>          qemu_get_betls(f, &env->spr[i]);
> +    }
>      if (!cpu->vhyp) {
>          ppc_store_sdr1(env, sdr1);
>      }
> @@ -94,8 +105,9 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int 
> version_id)
>      qemu_get_sbe32s(f, &env->error_code);
>      qemu_get_be32s(f, &env->pending_interrupts);
>      qemu_get_be32s(f, &env->irq_input_state);
> -    for (i = 0; i < POWERPC_EXCP_NB; i++)
> +    for (i = 0; i < POWERPC_EXCP_NB; i++) {
>          qemu_get_betls(f, &env->excp_vectors[i]);
> +    }
>      qemu_get_betls(f, &env->excp_prefix);
>      qemu_get_betls(f, &env->ivor_mask);
>      qemu_get_betls(f, &env->ivpr_mask);
> @@ -253,22 +265,24 @@ static int cpu_pre_save(void *opaque)
>      env->spr[SPR_BOOKE_SPEFSCR] = env->spe_fscr;
>  
>      for (i = 0; (i < 4) && (i < env->nb_BATs); i++) {
> -        env->spr[SPR_DBAT0U + 2*i] = env->DBAT[0][i];
> -        env->spr[SPR_DBAT0U + 2*i + 1] = env->DBAT[1][i];
> -        env->spr[SPR_IBAT0U + 2*i] = env->IBAT[0][i];
> -        env->spr[SPR_IBAT0U + 2*i + 1] = env->IBAT[1][i];
> +        env->spr[SPR_DBAT0U + 2 * i] = env->DBAT[0][i];
> +        env->spr[SPR_DBAT0U + 2 * i + 1] = env->DBAT[1][i];
> +        env->spr[SPR_IBAT0U + 2 * i] = env->IBAT[0][i];
> +        env->spr[SPR_IBAT0U + 2 * i + 1] = env->IBAT[1][i];
>      }
> -    for (i = 0; (i < 4) && ((i+4) < env->nb_BATs); i++) {
> -        env->spr[SPR_DBAT4U + 2*i] = env->DBAT[0][i+4];
> -        env->spr[SPR_DBAT4U + 2*i + 1] = env->DBAT[1][i+4];
> -        env->spr[SPR_IBAT4U + 2*i] = env->IBAT[0][i+4];
> -        env->spr[SPR_IBAT4U + 2*i + 1] = env->IBAT[1][i+4];
> +    for (i = 0; (i < 4) && ((i + 4) < env->nb_BATs); i++) {
> +        env->spr[SPR_DBAT4U + 2 * i] = env->DBAT[0][i + 4];
> +        env->spr[SPR_DBAT4U + 2 * i + 1] = env->DBAT[1][i + 4];
> +        env->spr[SPR_IBAT4U + 2 * i] = env->IBAT[0][i + 4];
> +        env->spr[SPR_IBAT4U + 2 * i + 1] = env->IBAT[1][i + 4];
>      }
>  
>      /* Hacks for migration compatibility between 2.6, 2.7 & 2.8 */
>      if (cpu->pre_2_8_migration) {
> -        /* Mask out bits that got added to msr_mask since the versions
> -         * which stupidly included it in the migration stream. */
> +        /*
> +         * Mask out bits that got added to msr_mask since the versions
> +         * which stupidly included it in the migration stream.
> +         */
>          target_ulong metamask = 0
>  #if defined(TARGET_PPC64)
>              | (1ULL << MSR_TS0)
> @@ -277,9 +291,10 @@ static int cpu_pre_save(void *opaque)
>              ;
>          cpu->mig_msr_mask = env->msr_mask & ~metamask;
>          cpu->mig_insns_flags = env->insns_flags & insns_compat_mask;
> -        /* CPU models supported by old machines all have PPC_MEM_TLBIE,
> -         * so we set it unconditionally to allow backward migration from
> -         * a POWER9 host to a POWER8 host.
> +        /*
> +         * CPU models supported by old machines all have
> +         * PPC_MEM_TLBIE, so we set it unconditionally to allow
> +         * backward migration from a POWER9 host to a POWER8 host.
>           */
>          cpu->mig_insns_flags |= PPC_MEM_TLBIE;
>          cpu->mig_insns_flags2 = env->insns_flags2 & insns_compat_mask2;
> @@ -379,23 +394,26 @@ static int cpu_post_load(void *opaque, int version_id)
>      env->spe_fscr = env->spr[SPR_BOOKE_SPEFSCR];
>  
>      for (i = 0; (i < 4) && (i < env->nb_BATs); i++) {
> -        env->DBAT[0][i] = env->spr[SPR_DBAT0U + 2*i];
> -        env->DBAT[1][i] = env->spr[SPR_DBAT0U + 2*i + 1];
> -        env->IBAT[0][i] = env->spr[SPR_IBAT0U + 2*i];
> -        env->IBAT[1][i] = env->spr[SPR_IBAT0U + 2*i + 1];
> +        env->DBAT[0][i] = env->spr[SPR_DBAT0U + 2 * i];
> +        env->DBAT[1][i] = env->spr[SPR_DBAT0U + 2 * i + 1];
> +        env->IBAT[0][i] = env->spr[SPR_IBAT0U + 2 * i];
> +        env->IBAT[1][i] = env->spr[SPR_IBAT0U + 2 * i + 1];
>      }
> -    for (i = 0; (i < 4) && ((i+4) < env->nb_BATs); i++) {
> -        env->DBAT[0][i+4] = env->spr[SPR_DBAT4U + 2*i];
> -        env->DBAT[1][i+4] = env->spr[SPR_DBAT4U + 2*i + 1];
> -        env->IBAT[0][i+4] = env->spr[SPR_IBAT4U + 2*i];
> -        env->IBAT[1][i+4] = env->spr[SPR_IBAT4U + 2*i + 1];
> +    for (i = 0; (i < 4) && ((i + 4) < env->nb_BATs); i++) {
> +        env->DBAT[0][i + 4] = env->spr[SPR_DBAT4U + 2 * i];
> +        env->DBAT[1][i + 4] = env->spr[SPR_DBAT4U + 2 * i + 1];
> +        env->IBAT[0][i + 4] = env->spr[SPR_IBAT4U + 2 * i];
> +        env->IBAT[1][i + 4] = env->spr[SPR_IBAT4U + 2 * i + 1];
>      }
>  
>      if (!cpu->vhyp) {
>          ppc_store_sdr1(env, env->spr[SPR_SDR1]);
>      }
>  
> -    /* Invalidate all supported msr bits except MSR_TGPR/MSR_HVB before 
> restoring */
> +    /*
> +     * Invalidate all supported msr bits except MSR_TGPR/MSR_HVB
> +     * before restoring
> +     */
>      msr = env->msr;
>      env->msr ^= env->msr_mask & ~((1ULL << MSR_TGPR) | MSR_HVB);
>      ppc_store_msr(env, msr);
> @@ -409,7 +427,7 @@ static bool fpu_needed(void *opaque)
>  {
>      PowerPCCPU *cpu = opaque;
>  
> -    return (cpu->env.insns_flags & PPC_FLOAT);
> +    return cpu->env.insns_flags & PPC_FLOAT;
>  }
>  
>  static const VMStateDescription vmstate_fpu = {
> @@ -428,7 +446,7 @@ static bool altivec_needed(void *opaque)
>  {
>      PowerPCCPU *cpu = opaque;
>  
> -    return (cpu->env.insns_flags & PPC_ALTIVEC);
> +    return cpu->env.insns_flags & PPC_ALTIVEC;
>  }
>  
>  static int get_vscr(QEMUFile *f, void *opaque, size_t size,
> @@ -483,7 +501,7 @@ static bool vsx_needed(void *opaque)
>  {
>      PowerPCCPU *cpu = opaque;
>  
> -    return (cpu->env.insns_flags2 & PPC2_VSX);
> +    return cpu->env.insns_flags2 & PPC2_VSX;
>  }
>  
>  static const VMStateDescription vmstate_vsx = {
> @@ -591,7 +609,7 @@ static bool slb_needed(void *opaque)
>      PowerPCCPU *cpu = opaque;
>  
>      /* We don't support any of the old segment table based 64-bit CPUs */
> -    return (cpu->env.mmu_model & POWERPC_MMU_64);
> +    return cpu->env.mmu_model & POWERPC_MMU_64;
>  }
>  
>  static int slb_post_load(void *opaque, int version_id)
> @@ -600,8 +618,10 @@ static int slb_post_load(void *opaque, int version_id)
>      CPUPPCState *env = &cpu->env;
>      int i;
>  
> -    /* We've pulled in the raw esid and vsid values from the migration
> -     * stream, but we need to recompute the page size pointers */
> +    /*
> +     * We've pulled in the raw esid and vsid values from the migration
> +     * stream, but we need to recompute the page size pointers
> +     */
>      for (i = 0; i < cpu->hash64_opts->slb_size; i++) {
>          if (ppc_store_slb(cpu, i, env->slb[i].esid, env->slb[i].vsid) < 0) {
>              /* Migration source had bad values in its SLB */
> 




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