Re: [Qemu-devel] [PATCH] MIPS: DMA support for RC4030 chipset [v2]

[Hervé Poussineau]

Forget that, DMA transfer function can be called in aio path, and 
cpu_single_env will be NULL in that case

Hervé

Hervé Poussineau a écrit :
> Hi,
>
> Attached patch implements DMA support to RC4030 chipset and simplifies 
> jazz  IO part (at 0xf0000000), where registers contain 16 bit values.
> The patch also wires DMA transfers for the SCSI adapter in the Jazz 
> emulation (Mips Magnum 4000 and Acer Pica 61).
>
> Blue Swirl's comments have been taken into account in this version:
>
> Changes since v1:
> - Support reuse of esp callback functions up to DMA engine
> - Don't keep in memory the DMA table, but read it when needed
>
> Hervé