qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 02/12] next-cube.c: don't pulse SCSI DMA IRQ upon reception o


From: Thomas Huth
Subject: Re: [PATCH 02/12] next-cube.c: don't pulse SCSI DMA IRQ upon reception of FLUSH command
Date: Sat, 16 Dec 2023 10:07:42 +0100

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

> Normally a DMA FLUSH command is used to ensure that data is completely written
> to the device and/or memory, so remove the pulse of the SCSI DMA IRQ if a DMA
> FLUSH command is received. This enables the NeXT ROM monitor to start to load
> from a SCSI disk.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/m68k/next-cube.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
> index feeda23475..87ddaf4329 100644
> --- a/hw/m68k/next-cube.c
> +++ b/hw/m68k/next-cube.c
> @@ -473,7 +473,6 @@ static void scr_writeb(NeXTPC *s, hwaddr addr, uint32_t 
> value)
>              DPRINTF("SCSICSR FIFO Flush\n");
>              /* will have to add another irq to the esp if this is needed */
>              /* esp_puflush_fifo(esp_g); */
> -            qemu_irq_pulse(s->scsi_dma);
>          }
>  
>          if (value & SCSICSR_ENABLE) {

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



reply via email to

[Prev in Thread] Current Thread [Next in Thread]