On 06/06/11 16:50, David Ahern wrote:

>  +/*
>  + *  Write the qh back to guest physical memory.  This step isn't
>  + *  in the EHCI spec but we need to do it since we don't share
>  + *  physical memory with our guest VM.
>  + *
>  + *  The first three bytes are read-only for the EHCI, so skip them
>  + *  when writing back the qh.
>  + */
>  +static void ehci_flush_qh(EHCIQueue *q)
>  +{
>  +    uint32_t *qh = (uint32_t *)&q->qh;
>  +    uint32_t dwords = sizeof(EHCIqh)>>  2;
>  +    uint32_t addr = NLPTR_GET(q->qhaddr);
>  +
>  +    put_dwords(addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
>  +}
3 bytes or 3 words?  Comment above says skip 3 bytes.

3 dwords.  I'll fix the comment.

thanks,
  Gerd


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