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Re: [PATCH v2 3/6] xen/riscv: introduce function for physical offset calculation
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 6 Jul 2023 13:18:45 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 06 Jul 2023 11:19:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 19.06.2023 15:34, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/riscv64/head.S
> +++ b/xen/arch/riscv/riscv64/head.S
> @@ -29,6 +29,8 @@ ENTRY(start)
>
> jal reset_stack
>
> + jal calc_phys_offset
> +
> tail start_xen
>
> .section .text, "ax", %progbits
Since you call a C function, the code to save/restore a0/a1 needs to
move here (from patch 4).
Jan
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