[libre-riscv-dev] [Bug 264] ISA switch needs to be a privileged operation

diff --git a/77/06a00efb1045063d45b964db83da9c2c7cda42 b/77/06a00efb1045063d45b964db83da9c2c7cda42
new file mode 100644 (file)
index 0000000..84385e8
--- /dev/null
+++ b/77/06a00efb1045063d45b964db83da9c2c7cda42
@@ -0,0 +1,84 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Mon, 23 Mar 2020 01:12:03 +0000
+Received: from localhost ([::1] helo=libre-riscv.org)
+       by libre-riscv.org with esmtp (Exim 4.89)
+       (envelope-from <libre-riscv-dev-bounces@lists.libre-riscv.org>)
+       id 1jGBdK-0000Y0-E3; Mon, 23 Mar 2020 01:12:02 +0000
+Received: from localhost ([127.0.0.1] helo=bugs.libre-riscv.org)
+ by libre-riscv.org with esmtp (Exim 4.89)
+ (envelope-from <bugzilla-daemon@libre-riscv.org>) id 1jGBdI-0000Xr-Vx
+ for libre-riscv-dev@lists.libre-riscv.org; Mon, 23 Mar 2020 01:12:01 +0000
+From: bugzilla-daemon@libre-riscv.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Mon, 23 Mar 2020 01:12:01 +0000
+X-Bugzilla-Reason: CC
+X-Bugzilla-Type: changed
+X-Bugzilla-Watch-Reason: None
+X-Bugzilla-Product: Libre-SOC's first SoC
+X-Bugzilla-Component: Specification
+X-Bugzilla-Version: unspecified
+X-Bugzilla-Keywords: 
+X-Bugzilla-Severity: enhancement
+X-Bugzilla-Who: programmerjake@gmail.com
+X-Bugzilla-Status: CONFIRMED
+X-Bugzilla-Resolution: 
+X-Bugzilla-Priority: High
+X-Bugzilla-Assigned-To: lkcl@lkcl.net
+X-Bugzilla-Flags: 
+X-Bugzilla-Changed-Fields: 
+Message-ID: <bug-264-13-5iWZcd5aX5@http.bugs.libre-riscv.org/>
+In-Reply-To: <bug-264-13@http.bugs.libre-riscv.org/>
+References: <bug-264-13@http.bugs.libre-riscv.org/>
+X-Bugzilla-URL: http://bugs.libre-riscv.org/
+Auto-Submitted: auto-generated
+MIME-Version: 1.0
+Subject: [libre-riscv-dev] [Bug 264] ISA switch needs to be a privileged
+ operation
+X-BeenThere: libre-riscv-dev@lists.libre-riscv.org
+X-Mailman-Version: 2.1.23
+Precedence: list
+List-Id: Libre-RISCV General Development
+ <libre-riscv-dev.lists.libre-riscv.org>
+List-Unsubscribe: <http://lists.libre-riscv.org/mailman/options/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=unsubscribe>
+List-Archive: <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/>
+List-Post: <mailto:libre-riscv-dev@lists.libre-riscv.org>
+List-Help: <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=help>
+List-Subscribe: <http://lists.libre-riscv.org/mailman/listinfo/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=subscribe>
+Reply-To: Libre-RISCV General Development
+ <libre-riscv-dev@lists.libre-riscv.org>
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org
+Sender: "libre-riscv-dev" <libre-riscv-dev-bounces@lists.libre-riscv.org>
+
+aHR0cDovL2J1Z3MubGlicmUtcmlzY3Yub3JnL3Nob3dfYnVnLmNnaT9pZD0yNjQKCi0tLSBDb21t
+ZW50ICMzIGZyb20gSmFjb2IgTGlmc2hheSA8cHJvZ3JhbW1lcmpha2VAZ21haWwuY29tPiAtLS0K
+KEluIHJlcGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMy
+KQo+IChJbiByZXBseSB0byBKYWNvYiBMaWZzaGF5IGZyb20gY29tbWVudCAjMSkKPiA+IGl0J3Mg
+cGVyZmVjdGx5IGZpbmUgdG8gbm90IHN1cHBvcnQgcGFydGljdWxhciBwYWlycyAoc3VjaCBhcyBp
+ZiB0aGUgc2Vjb25kCj4gPiBvbmUgY2FuIHRyYXAgYW5kIHRoZSBmaXJzdCBvbmUgY2FuJ3QganVz
+dCBiZSBydW4gYWdhaW4gLS0gYWxsb3dpbmcgdXMgdG8gbm90Cj4gPiBuZWVkIHRvIHdvcnJ5IGFi
+b3V0IHdoYXQgaGFwcGVucyBpZiB3ZSB0cmFwIGluIHRoZSBtaWRkbGUgb2YgYSBwYWlyKS4KPiAK
+PiBobW0uLi4gd2UgbWlnaHQgaGF2ZSB0by4gb3IsIGFub3RoZXIgd2F5IChpbmRpY2F0aW5nIHRo
+ZSBleHRlbnQgb2YgdGhlCj4gYXdmdWxuZXNzKSwgYSBiaXQgaW4gYSBTUFIgd2hpY2ggaXMgY29u
+dGV4dHN3aXRjaGVkIHRlbGxzIHVzIHdoaWNoIG9mIHRoZSAyCj4gQyBpbnN0cnVjdGlvbnMgYXJl
+IGJlaW5nIGV4ZWN1dGVkLgoKVGhhdCBjb3VsZCB3b3JrLCBidXQgaXQgd2lsbCByZXF1aXJlIGFk
+ZGl0aW9uYWwgbW9kaWZpY2F0aW9uIHRvIExpbnV4IGFzIHdlbGwKYXMgdXNlcnNwYWNlIGZvciB0
+aGluZ3MgbGlrZSBjaGFuZ2luZyB0aGUgb24tc3RhY2sgc3RydWN0dXJlcyBmb3IgYXN5bmNocm9u
+b3VzCnNpZ25hbHMuCgo+IAo+IG9yLi4uICpzaHVkZGVyKiB3ZSBoYXZlIHRoZSBQQyBhZHZhbmNl
+IGZpcnN0IGJ5IDQgYnl0ZXMsIHRoZW4ganVtcCBCQUNLIDIKPiBieXRlcywgdGhlbiBqdW1wIGZv
+cndhcmQgdG8uLi4KClRoYXQgd291bGQgYmUgdmVyeSBtZXNzeSBhbmQgd29uJ3Qgd29yayBpZiBh
+bnkgaW5zdHJ1Y3Rpb25zIGRvbid0IHN0YXJ0IG9uIGEKNC1ieXRlIGJvdW5kYXJ5IChjYW4gaGFw
+cGVuIHdpdGggNDgtYml0IGluc3RydWN0aW9ucyksIHNpbmNlIHRoYXQgd291bGQgYmUKYW1iaWd1
+b3VzIGJldHdlZW4gYSBtaXNhbGlnbmVkIDQtYnl0ZSBpbnN0cnVjdGlvbiBhbmQgdGhlIHNlY29u
+ZCBoYWxmIG9mIGEKY29tcHJlc3NlZCBpbnN0cnVjdGlvbiBwYWlyLgoKPiAuLi4gbm8sIG15IGJy
+YWluIGp1c3QgbWVsdGVkIHRoaW5raW5nIGFib3V0IHRoYXQKPiBvbmUuCgpMZXQncyBhbGwgam9p
+biB0aGUgbWVsdGVkIGJyYWluIGNsdWIhISEgOlAKCi0tIApZb3UgYXJlIHJlY2VpdmluZyB0aGlz
+IG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBmb3IgdGhlIGJ1Zy4KX19fX19f
+X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlicmUtcmlzY3YtZGV2
+IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUtcmlzY3Yub3JnCmh0dHA6
+Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9saWJyZS1yaXNjdi1kZXYK
+