Re: [PATCH 24/43] target/ppc/mmu_common.c: Use defines instead of numeric constants

["Nicholas Piggin" <npiggin@gmail.com>]

On Mon May 27, 2024 at 9:13 AM AEST, BALATON Zoltan wrote:
> Replace some BAT related constants with defines from mmu-hash32.h

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>

>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---
>  target/ppc/mmu_common.c | 26 +++++++++++++-------------
>  1 file changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c
> index 110936ca83..aa002bba35 100644
> --- a/target/ppc/mmu_common.c
> +++ b/target/ppc/mmu_common.c
> @@ -201,7 +201,7 @@ static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp,
>      target_ulong bl;
>      int pp, valid, prot;
>  
> -    bl = (*BATu & 0x00001FFC) << 15;
> +    bl = (*BATu & BATU32_BL) << 15;
>      valid = 0;
>      prot = 0;
>      if ((!FIELD_EX64(env->msr, MSR, PR) && (*BATu & 0x00000002)) ||
> @@ -241,19 +241,19 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
>      for (i = 0; i < env->nb_BATs; i++) {
>          BATu = &BATut[i];
>          BATl = &BATlt[i];
> -        BEPIu = *BATu & 0xF0000000;
> -        BEPIl = *BATu & 0x0FFE0000;
> +        BEPIu = *BATu & BATU32_BEPIU;
> +        BEPIl = *BATu & BATU32_BEPIL;
>          bat_size_prot(env, &bl, &valid, &prot, BATu, BATl);
>          qemu_log_mask(CPU_LOG_MMU, "%s: %cBAT%d v " TARGET_FMT_lx " BATu "
>                        TARGET_FMT_lx " BATl " TARGET_FMT_lx "\n", __func__,
>                        ifetch ? 'I' : 'D', i, eaddr, *BATu, *BATl);
> -        if ((eaddr & 0xF0000000) == BEPIu &&
> -            ((eaddr & 0x0FFE0000) & ~bl) == BEPIl) {
> +        if ((eaddr & BATU32_BEPIU) == BEPIu &&
> +            ((eaddr & BATU32_BEPIL) & ~bl) == BEPIl) {
>              /* BAT matches */
>              if (valid != 0) {
>                  /* Get physical address */
> -                ctx->raddr = (*BATl & 0xF0000000) |
> -                    ((eaddr & 0x0FFE0000 & bl) | (*BATl & 0x0FFE0000)) |
> +                ctx->raddr = (*BATl & BATU32_BEPIU) |
> +                    ((eaddr & BATU32_BEPIL & bl) | (*BATl & BATU32_BEPIL)) |
>                      (eaddr & 0x0001F000);
>                  /* Compute access rights */
>                  ctx->prot = prot;
> @@ -277,9 +277,9 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
>              for (i = 0; i < 4; i++) {
>                  BATu = &BATut[i];
>                  BATl = &BATlt[i];
> -                BEPIu = *BATu & 0xF0000000;
> -                BEPIl = *BATu & 0x0FFE0000;
> -                bl = (*BATu & 0x00001FFC) << 15;
> +                BEPIu = *BATu & BATU32_BEPIU;
> +                BEPIl = *BATu & BATU32_BEPIL;
> +                bl = (*BATu & BATU32_BL) << 15;
>                  qemu_log_mask(CPU_LOG_MMU, "%s: %cBAT%d v " TARGET_FMT_lx
>                                " BATu " TARGET_FMT_lx " BATl " TARGET_FMT_lx
>                                "\n\t" TARGET_FMT_lx " " TARGET_FMT_lx " "
> @@ -520,9 +520,9 @@ static void mmu6xx_dump_BATs(CPUPPCState *env, int type)
>      for (i = 0; i < env->nb_BATs; i++) {
>          BATu = &BATut[i];
>          BATl = &BATlt[i];
> -        BEPIu = *BATu & 0xF0000000;
> -        BEPIl = *BATu & 0x0FFE0000;
> -        bl = (*BATu & 0x00001FFC) << 15;
> +        BEPIu = *BATu & BATU32_BEPIU;
> +        BEPIl = *BATu & BATU32_BEPIL;
> +        bl = (*BATu & BATU32_BL) << 15;
>          qemu_printf("%s BAT%d BATu " TARGET_FMT_lx
>                      " BATl " TARGET_FMT_lx "\n\t" TARGET_FMT_lx " "
>                      TARGET_FMT_lx " " TARGET_FMT_lx "\n",