From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3721 invoked by alias); 31 Mar 2013 08:08:26 -0000 Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Received: (qmail 3678 invoked by uid 89); 31 Mar 2013 08:08:21 -0000 X-Spam-SWARE-Status: No, score=0.8 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,KHOP_THREADED,MIME_BASE64_BLANKS,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD autolearn=ham version=3.3.1 Received: from blu0-omc1-s16.blu0.hotmail.com (HELO blu0-omc1-s16.blu0.hotmail.com) (65.55.116.27) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Sun, 31 Mar 2013 08:08:19 +0000 Received: from BLU0-SMTP364 ([65.55.116.7]) by blu0-omc1-s16.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Sun, 31 Mar 2013 01:08:17 -0700 X-EIP: [OpSx7p7omoUmgBH1hCViDBsOYk0m/jrv] Message-ID: Received: from S4BKPHLPZS0EYJB ([116.6.89.92]) by BLU0-SMTP364.phx.gbl over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Sun, 31 Mar 2013 01:08:16 -0700 Date: Sun, 31 Mar 2013 08:08:00 -0000 From: Randy To: "eCos Discussion" Reply-To: randyqiuxy References: , <51546EFC.5050603@dallaway.org.uk> X-Has-Attach: no MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Subject: [ECOS] why should ISR arrange that the same interrupt would not recur until DSR completed? X-SW-Source: 2013-03/txt/msg00070.txt.bz2 SGkgYWxsLA0KZUNvcyByZWZlcmVuY2UgdGVsbHMgbWUgdGhhdCAiSW4gb3Jk ZXIgdG8gYWxsb3cgRFNScyB0byBydW4gd2l0aCBpbnRlcnJ1cHRzIGVuYWJs ZWQsIHRoZSBJU1IgZm9yIGEgcGFydGljdWxhciBpbnRlcnJ1cHQgc291cmNl IChvciB0aGUgaGFyZHdhcmUpIG11c3QgYXJyYW5nZSB0aGF0IHRoYXQgaW50 ZXJydXB0IHdpbGwgbm90IHJlY3VyIHVudGlsIHRoZSBEU1IgaGFzIGNvbXBs ZXRlZC4iIA0KQnV0IHdoeT8gSWYgb3RoZXIgaW50ZXJydXB0IGNvdWxkIGJl IGVuYWJsZSB3aGVuIHByb2Nlc3NpbmcgRFNSLCB3aHkgaXMgdGhlIHNhbWUg aW50ZXJydXB0IG5vdCAgYWxsb3dlZD8NCkxldCdzIGltYWdlIHdoYXQgaGFw cGVuZWQgaWYgaXQgY29tZXMgc29tZSBpbnRlcnJ1cHQoc2FtZSBpbnRlcnJ1 cHQgc291cmNlIG9yIG5vdCkgIHdoZW4gaXQgcHJvY2VzcyBEU1IsIA0KMSkg cmUtZW50ZXIgIl9fZGVmYXVsdF9pbnRlcnJ1cHRfdnNyICIsIHNhdmUgcmVn aXN0ZXJzKGNvbnRleHQgb2YgaW50ZXJydXB0ZWQgRFNSKSwgaW5jcmVhc2Ug Y3lnX3NjaGVkdWxlcl9zY2hlZF9sb2NrLCBkaXNhYmxlIGludGVycnVwdCwg Y2FsbCBJU1INCjIpIGNhbGwgaW50ZXJydXB0X2VuZCB3aGljaCB3aWxsIHBv c3QgZHNyIGludG8gZHNyLWxpc3QsIGVuYWJsZSBpbnRlcnJ1cHQgYW5kIGNh bGwgcGVuZGluZyBkc3JzIGFuZCB0aGVuIHNjaGVkdWxlLi4NCkFueXRoaW5n IHdyb25nIGZvciB0aGlzIHdvcmstZmxvdz8NClRoYW5rcyBmb3IgeW91ciBh ZHZhbmNlLi4NCg0KVGhhbmtzIGEgbG90Li4NCkJlc3QgcmVnYXJkcywNClJh bmR5