Re: [PATCH v2 04/10] target/ppc: Use bool success for ppc_radix64_xlate

[David Gibson]

On Mon, Jun 21, 2021 at 09:51:09AM -0300, Bruno Larsen (billionai) wrote:
> From: Richard Henderson <richard.henderson@linaro.org>
> 
> Instead of returning non-zero for failure, return true for success.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Applied to ppc-for-6.1, thanks.

> ---
>  target/ppc/mmu-radix64.c | 30 +++++++++++++++---------------
>  1 file changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
> index dd5ae69052..2d5f0850c9 100644
> --- a/target/ppc/mmu-radix64.c
> +++ b/target/ppc/mmu-radix64.c
> @@ -463,10 +463,10 @@ static int ppc_radix64_process_scoped_xlate(PowerPCCPU 
> *cpu,
>   *              | = On        | Process Scoped |    Scoped     |
>   *              +-------------+----------------+---------------+
>   */
> -static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
> -                             MMUAccessType access_type,
> -                             hwaddr *raddr, int *psizep, int *protp,
> -                             bool guest_visible)
> +static bool ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
> +                              MMUAccessType access_type,
> +                              hwaddr *raddr, int *psizep, int *protp,
> +                              bool guest_visible)
>  {
>      CPUPPCState *env = &cpu->env;
>      uint64_t lpid, pid;
> @@ -492,7 +492,7 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
>          }
>          *protp = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
>          *psizep = TARGET_PAGE_BITS;
> -        return 0;
> +        return true;
>      }
>  
>      /*
> @@ -510,7 +510,7 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
>          if (guest_visible) {
>              ppc_radix64_raise_segi(cpu, access_type, eaddr);
>          }
> -        return 1;
> +        return false;
>      }
>  
>      /* Get Process Table */
> @@ -523,13 +523,13 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr 
> eaddr,
>              if (guest_visible) {
>                  ppc_radix64_raise_si(cpu, access_type, eaddr, DSISR_NOPTE);
>              }
> -            return 1;
> +            return false;
>          }
>          if (!validate_pate(cpu, lpid, &pate)) {
>              if (guest_visible) {
>                  ppc_radix64_raise_si(cpu, access_type, eaddr, 
> DSISR_R_BADCONFIG);
>              }
> -            return 1;
> +            return false;
>          }
>      }
>  
> @@ -549,7 +549,7 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
>                                                     pate, &g_raddr, &prot,
>                                                     &psize, guest_visible);
>          if (ret) {
> -            return ret;
> +            return false;
>          }
>          *psizep = MIN(*psizep, psize);
>          *protp &= prot;
> @@ -573,7 +573,7 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
>                                                       &prot, &psize, false,
>                                                       guest_visible);
>              if (ret) {
> -                return ret;
> +                return false;
>              }
>              *psizep = MIN(*psizep, psize);
>              *protp &= prot;
> @@ -582,7 +582,7 @@ static int ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr,
>          }
>      }
>  
> -    return 0;
> +    return true;
>  }
>  
>  int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr,
> @@ -593,8 +593,8 @@ int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr 
> eaddr,
>      hwaddr raddr;
>  
>      /* Translate eaddr to raddr (where raddr is addr qemu needs for access) 
> */
> -    if (ppc_radix64_xlate(cpu, eaddr, access_type, &raddr,
> -                          &page_size, &prot, true)) {
> +    if (!ppc_radix64_xlate(cpu, eaddr, access_type, &raddr,
> +                           &page_size, &prot, true)) {
>          return 1;
>      }
>  
> @@ -608,8 +608,8 @@ hwaddr ppc_radix64_get_phys_page_debug(PowerPCCPU *cpu, 
> target_ulong eaddr)
>      int psize, prot;
>      hwaddr raddr;
>  
> -    if (ppc_radix64_xlate(cpu, eaddr, MMU_DATA_LOAD, &raddr,
> -                          &psize, &prot, false)) {
> +    if (!ppc_radix64_xlate(cpu, eaddr, MMU_DATA_LOAD, &raddr,
> +                           &psize, &prot, false)) {
>          return -1;
>      }
>  

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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