Re: [PATCH 01/12] next-cube.c: add dummy Ethernet register to allow diagnostic to timeout

[Thomas Huth <huth@tuxfamily.org>]

Am Fri, 15 Dec 2023 19:59:58 +0000
schrieb Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>:

> Add a dummy register at address 0x6000 in the MMIO memory region to allow the
> initial diagnostic test to timeout rather than getting stuck in a loop
> continuously writing "en_write: tx not ready" to the console.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/m68k/next-cube.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
> index fabd861941..feeda23475 100644
> --- a/hw/m68k/next-cube.c
> +++ b/hw/m68k/next-cube.c
> @@ -429,6 +429,10 @@ static uint32_t scr_readb(NeXTPC *s, hwaddr addr)
>          /* Hack: We need to have this change consistently to make it work */
>          return 0xFF & clock();
>  
> +    /* For now return dummy byte to allow the Ethernet test to timeout */
> +    case 0x6000:
> +        return 0xff;
> +

Good idea!

Tested-by: Thomas Huth <huth@tuxfamily.org>