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Re: [Qemu-devel] Guest application reading from pl011 without device dri
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] Guest application reading from pl011 without device driver |
Date: |
Thu, 23 Mar 2017 11:35:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 23/03/2017 11:12, Jiahuan Zhang wrote:
>
> It's Windows that doesn't support it (the Windows function name is
> WaitForSingleObject).
>
>
> Hi, I have checked the Windows chardev implimentation in QEMU.
> I learned from char-win-stdio.c to using thread and WaitForSingleObject
> for interlocking.
> char-win-stdio.c uses qemu_add_wait_object().
> Char-pipe.c uses qemu_add_polling_cb().
> I found all over qemu, only char-pipe uses qemu_add_polling_cb().
> Does this mean that somebody has already looked into this issue,
> and failed in using qemu_add_wait_object(),
> and then he/she created qemu_add_polling_cb()?
I don't know, but using threads sounds like a way to solve the bug, indeed.
Thanks,
Paolo
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, (continued)
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Peter Maydell, 2017/03/21
- Message not available
- Message not available
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/21
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Peter Maydell, 2017/03/21
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/21
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Paolo Bonzini, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Paolo Bonzini, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Paolo Bonzini, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/23
- Re: [Qemu-devel] Guest application reading from pl011 without device driver,
Paolo Bonzini <=
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/23
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Paolo Bonzini, 2017/03/23
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/24
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Jiahuan Zhang, 2017/03/24
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Peter Maydell, 2017/03/22
- Re: [Qemu-devel] Guest application reading from pl011 without device driver, Paolo Bonzini, 2017/03/22