Hi Pei, Can you tell me a little more about your requirements? If all that you need is a read only, RAM file system, you might consider using a CPIO archive[1,2]. The root task of the sel4test project[3] uses this method to load and execute a file that contains the test application[4]. - Alex [1] http://en.wikipedia.org/wiki/Cpio [2] https://github.com/seL4/libcpio [3] https://github.com/seL4/sel4test/tree/master/apps/sel4test-driver [4] https://github.com/seL4/sel4test/tree/master/apps/sel4test-tests ________________________________________ From: Devel [devel-bounces@sel4.systems] on behalf of Pei.XiLong(裴喜龙) [pei.xilong@kortide.com] Sent: Saturday, 20 December 2014 12:50 To: 'Kenneth'; devel@sel4.systems Subject: [seL4] 答复: Devel Digest, Vol 7, Issue 3 Hi Kenneth, When seL4 started, its first process will deal with some files, these files have to be stored in filesystem, so I have to startup a filesystem after I boot seL4 at once. Yes, the filesystem is in a its own process and service to others with RPC, it is a service. -----邮件原件----- 发件人: Devel [mailto:devel-bounces@sel4.systems] 代表 Kenneth 发送时间: 2014年12月20日 9:09 收件人: devel@sel4.systems; pei_xilong@tongji.edu.cn 主题: Re: [seL4] Devel Digest, Vol 7, Issue 3 Hi Pei, Maybe you could make it happen on cmkes. As far as I know it's a set of OS' services for sel4, just like Iguana for OKL4. FS should be a service, so I think it's better ported into cmkes. This email is typed on my iPhone. I'd like to apologize for any mistake in it.

在 2014年12月20日，9:00，devel-request@sel4.systems 写道：

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Today's Topics:

1. I want to port a filesystem onto seL4 (XilongPei (???))

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Message: 1 Date: Fri, 19 Dec 2014 14:20:22 +0800 From: XilongPei(???) To: Subject: [seL4] I want to port a filesystem onto seL4 Message-ID: <01c401d01b53$e054be30$a0fe3a90$@tongji.edu.cn> Content-Type: text/plain; charset="gb2312"

Hi, I want to port a filesystem onto seL4, the source code is here: https://github.com/RT-Thread/rt-thread/tree/master/components/dfs Can anyone give me some suggestion?

Xilong Pei Tongji University 2014/12/19

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