From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19868 invoked by alias); 31 Mar 2013 14:48:56 -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 19842 invoked by uid 89); 31 Mar 2013 14:48:49 -0000 X-Spam-SWARE-Status: No, score=-4.7 required=5.0 tests=BAYES_00,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-s18.blu0.hotmail.com (HELO blu0-omc1-s18.blu0.hotmail.com) (65.55.116.29) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Sun, 31 Mar 2013 14:48:47 +0000 Received: from BLU0-SMTP368 ([65.55.116.9]) by blu0-omc1-s18.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Sun, 31 Mar 2013 07:48:46 -0700 X-EIP: [J9hg6vz1qCilCeKSIfXvIs121cwzXKD+] Message-ID: Received: from S4BKPHLPZS0EYJB ([121.35.248.181]) by BLU0-SMTP368.phx.gbl over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Sun, 31 Mar 2013 07:48:44 -0700 Date: Sun, 31 Mar 2013 14:48:00 -0000 From: Randy To: "Stanislav Meduna" CC: "eCos Discussion" Reply-To: randyqiuxy References: , <51546EFC.5050603@dallaway.org.uk> , <5158269C.5000804@meduna.org> X-Has-Attach: no MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Subject: Re: Re: [ECOS] why should ISR arrange that the same interrupt would not recur until DSR completed? X-SW-Source: 2013-03/txt/msg00072.txt.bz2 SGkgU3Rhbm8sDQpUaGFua3MgZm9yIHlvdXIgcmFwaWQgcmVzcG9uc2UuDQo+ T24gMzEuMDMuMjAxMyAxMDoxMCwgUmFuZHkgd3JvdGU6DQo+DQo+PiBCdXQg d2h5PyBJZiBvdGhlciBpbnRlcnJ1cHQgY291bGQgYmUgZW5hYmxlIHdoZW4g cHJvY2Vzc2luZyBEU1IsIHdoeQ0KPj4gaXMgdGhlIHNhbWUgaW50ZXJydXB0 IG5vdCBhbGxvd2VkPw0KPg0KPjEpIE90aGVyIGludGVycnVwdCBkb2VzIG5v dCBuZWVkIHRvIHN5bmNocm9uaXplIGFjY2VzcyB0byB0aGUgaGFyZHdhcmUN Cj5hbmQvb3IgZGF0YSBzdHJ1Y3R1cmVzIHNoYXJlZCBiZXR3ZWVuIHRoZSBJ U1IgYW5kIGNvcnJlc3BvbmRpbmcgRFNSLg0KVGhhdCdzIHJpZ2h0LCBpdCBz aG91bGQgYmUgdGhlIHJlYXNvbiB3aHkgd2UgZG9uJ3QgYWxsb3cgdGhlIGlu dGVycnVwdCB0byByZWN1ciBkdXJpbmcgRFNSLg0KPlJlbWVtYmVyLCBuZWl0 aGVyIHRoZSBJU1Igbm9yIERTUiBjYW4gYmxvY2suIA0KSSBrbm93IHRoaXMg cnVsZSwgYnV0IEknZCBsaWtlIHRvIGFzayB5b3Ugd2h5LiANCkkgdGhpbmsg dGhhdCBvbmUgRFNSIGludGVycnVwdGVkIGJ5IG90aGVyIGludGVycnVwdCBj b3VsZCBjb250aW51ZSB0byBmaW5pc2ggdGhlIHJlbWFpbmRlciBwYXJ0cyB3 aGVuIGl0IHJlc2NoZWR1bGUgdG8gY3VycmVudCB0aHJlYWQsIHRoZW4sDQp3 aHkgd2FpdC1zZW1hcGhvcmUgaW4gRFNSIHdoaWNoIGNhdXNlIHRvIHN3aXRj aCB0byBhbm90aGVyIHRocmVhZCBpcyBwcmV2ZW50ZWQgYnkgc2NoZWR1bGVy PyBUaGlzIG1heWJlIGJlY2F1c2Ugc2NoZWR1bGVyIGlzIGxvY2tlZCBhbmQg aXQgY291bGQgbm90IHdvcmssIGJ1dCB3aHkgZG9uJ3Qgd2UgZW5hYmxlIHRo aXMgZnVuY3Rpb24gaW4gRFNSPw0KPkRpc2FibGluZyBpbnRlcnJ1cHRzIG91 dHNpZGUgb2YgaW50ZXJydXB0IGhhbmRsZXJzIGlzIGdlbmVyYWxseSBmcm93 bmVkIHVwb24uDQpJIGRvbid0IHNlZSB0aGlzLCBjb3VsZCB5b3UgcGxlYXNl IG1ha2UgaXQgbW9yZSBjbGVhcmx5Pw0KPjIpIFRoZSBsaXN0IG9mIHBlbmRp bmcgRFNScyBpcyBub3cgdXBwZXIgYm91bmRlZC4gV2l0aCB0aGUgc2FtZQ0K PmludGVycnVwdCBlbmFibGVkIGl0IHdvdWxkIGJlY29tZSB1bmJvdW5kZWQu DQpJJ2QgbGlrZSB0byBrbm93IHdoaWNoIGNhc2UgY291bGQgY2F1c2UgYSBw ZW5kaW5nIERTUj8gDQpEb2VzIG9uZSBEU1IgaW50ZXJydXB0ZWQgYnkgb3Ro ZXIgaW50ZXJydXB0IGNvdWxkIGJlY29tZSBhIHBlbmRpbmcgRFNSPyBObywg cmlnaHQ/DQo+UmVnYXJkcw0KPi0tIA0KPiAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgIFN0YW5vDQo+DQo+DQo+LS0gDQo+QmVmb3Jl IHBvc3RpbmcsIHBsZWFzZSByZWFkIHRoZSBGQVE6IGh0dHA6Ly9lY29zLnNv dXJjZXdhcmUub3JnL2ZvbS9lY29zDQo+YW5kIHNlYXJjaCB0aGUgbGlzdCBh cmNoaXZlOiBodHRwOi8vZWNvcy5zb3VyY2V3YXJlLm9yZy9tbC9lY29zLWRp c2N1c3MNCj4NCj4NClRoYW5rcyBhIGxvdC4uDQpCZXN0IHJlZ2FyZHMsDQpS YW5keQ==