Re: [PATCH v3 13/14] xen/riscv: test basic handling stuff

[Alistair Francis <alistair23@xxxxxxxxx>]

On Wed, Feb 8, 2023 at 12:47 AM Oleksii Kurochko
<oleksii.kurochko@xxxxxxxxx> wrote:
>
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>

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

Alistair

> ---
> Changes in V3:
>   - Nothing changed
> ---
> Changes in V2:
>   - Nothing changed
> ---
>  xen/arch/riscv/setup.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
> index d502cf06b0..8d070244fd 100644
> --- a/xen/arch/riscv/setup.c
> +++ b/xen/arch/riscv/setup.c
> @@ -9,12 +9,28 @@
>  unsigned char __initdata cpu0_boot_stack[STACK_SIZE]
>      __aligned(STACK_SIZE);
>
> +static void test_run_in_exception(struct cpu_user_regs *regs)
> +{
> +    early_printk("If you see this message, ");
> +    early_printk("run_in_exception_handler is most likely working\n");
> +}
> +
> +static void test_macros_from_bug_h(void)
> +{
> +    run_in_exception_handler(test_run_in_exception);
> +    WARN();
> +    early_printk("If you see this message, ");
> +    early_printk("WARN is most likely working\n");
> +}
> +
>  void __init noreturn start_xen(void)
>  {
>      early_printk("Hello from C env\n");
>
>      trap_init();
>
> +    test_macros_from_bug_h();
> +
>      for ( ;; )
>          asm volatile ("wfi");
>
> --
> 2.39.0
>
>