Re: [PATCH v1 3/8] xen/riscv: introduce reset_stack() function

[Alistair Francis <alistair23@xxxxxxxxx>]

On Wed, Jun 7, 2023 at 5:55 AM Oleksii Kurochko
<oleksii.kurochko@xxxxxxxxx> wrote:
>
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>

Reviewed-by: Alistair Francis <alistair.francis@xxxxxxx>

Alistair

> ---
>  xen/arch/riscv/riscv64/head.S | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch/riscv/riscv64/head.S
> index 8887f0cbd4..6fb7dd80fd 100644
> --- a/xen/arch/riscv/riscv64/head.S
> +++ b/xen/arch/riscv/riscv64/head.S
> @@ -27,8 +27,14 @@ ENTRY(start)
>          add     t3, t3, __SIZEOF_POINTER__
>          bltu    t3, t4, .L_clear_bss
>
> +        jal     reset_stack
> +
> +        tail    start_xen
> +
> +ENTRY(reset_stack)
>          la      sp, cpu0_boot_stack
>          li      t0, STACK_SIZE
>          add     sp, sp, t0
>
> -        tail    start_xen
> +        ret
> +
> --
> 2.40.1
>
>