On Wed, Dec 24, 2025 at 6:01 PM Philippe Mathieu-Daudé
<[email protected]> wrote:
>
> The Alpha architecture uses little endianness. Directly
> use the little-endian LD/ST API.
>
> Mechanical change running:
>
>   $ for a in uw w l q; do \
>       sed -i -e "s/ld${a}_p(/ld${a}_le_p(/" \
>         $(git grep -wlE '(ld|st)u?[wlq]_p' target/alpha/);
>     done
>
> Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
> ---

Reviewed-by: Manos Pitsidianakis <[email protected]>

>  target/alpha/helper.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/target/alpha/helper.c b/target/alpha/helper.c
> index a9af52a928f..80542cb0665 100644
> --- a/target/alpha/helper.c
> +++ b/target/alpha/helper.c
> @@ -214,17 +214,18 @@ static int get_physical_address(CPUAlphaState *env, 
> target_ulong addr,
>
>      pt = env->ptbr;
>
> -    /* TODO: rather than using ldq_phys() to read the page table we should
> +    /*
> +     * TODO: rather than using ldq_phys_le() to read the page table we should
>       * use address_space_ldq() so that we can handle the case when
>       * the page table read gives a bus fault, rather than ignoring it.
> -     * For the existing code the zero data that ldq_phys will return for
> +     * For the existing code the zero data that ldq_phys_le will return for
>       * an access to invalid memory will result in our treating the page
>       * table as invalid, which may even be the right behaviour.
>       */
>
>      /* L1 page table read.  */
>      index = (addr >> (TARGET_PAGE_BITS + 20)) & 0x3ff;
> -    L1pte = ldq_phys(cs->as, pt + index*8);
> +    L1pte = ldq_phys_le(cs->as, pt + index * 8);
>
>      if (unlikely((L1pte & PTE_VALID) == 0)) {
>          ret = MM_K_TNV;
> @@ -237,7 +238,7 @@ static int get_physical_address(CPUAlphaState *env, 
> target_ulong addr,
>
>      /* L2 page table read.  */
>      index = (addr >> (TARGET_PAGE_BITS + 10)) & 0x3ff;
> -    L2pte = ldq_phys(cs->as, pt + index*8);
> +    L2pte = ldq_phys_le(cs->as, pt + index * 8);
>
>      if (unlikely((L2pte & PTE_VALID) == 0)) {
>          ret = MM_K_TNV;
> @@ -250,7 +251,7 @@ static int get_physical_address(CPUAlphaState *env, 
> target_ulong addr,
>
>      /* L3 page table read.  */
>      index = (addr >> TARGET_PAGE_BITS) & 0x3ff;
> -    L3pte = ldq_phys(cs->as, pt + index*8);
> +    L3pte = ldq_phys_le(cs->as, pt + index * 8);
>
>      phys = L3pte >> 32 << TARGET_PAGE_BITS;
>      if (unlikely((L3pte & PTE_VALID) == 0)) {
> --
> 2.52.0
>

Reply via email to