From owner-svn-src-head@freebsd.org  Wed Feb 17 13:49:40 2016
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1E54BAAAD6D;
 Wed, 17 Feb 2016 13:49:40 +0000 (UTC) (envelope-from br@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id DFCD71C93;
 Wed, 17 Feb 2016 13:49:39 +0000 (UTC) (envelope-from br@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u1HDncXp036776;
 Wed, 17 Feb 2016 13:49:38 GMT (envelope-from br@FreeBSD.org)
Received: (from br@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id u1HDncPV036775;
 Wed, 17 Feb 2016 13:49:38 GMT (envelope-from br@FreeBSD.org)
Message-Id: <201602171349.u1HDncPV036775@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: br set sender to br@FreeBSD.org
 using -f
From: Ruslan Bukin <br@FreeBSD.org>
Date: Wed, 17 Feb 2016 13:49:38 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r295698 - head/sys/riscv/riscv
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 17 Feb 2016 13:49:40 -0000

Author: br
Date: Wed Feb 17 13:49:38 2016
New Revision: 295698
URL: https://svnweb.freebsd.org/changeset/base/295698

Log:
  Add the implementation of savectx().

Modified:
  head/sys/riscv/riscv/swtch.S

Modified: head/sys/riscv/riscv/swtch.S
==============================================================================
--- head/sys/riscv/riscv/swtch.S	Wed Feb 17 13:43:43 2016	(r295697)
+++ head/sys/riscv/riscv/swtch.S	Wed Feb 17 13:49:38 2016	(r295698)
@@ -256,8 +256,27 @@ ENTRY(fork_trampoline)
 END(fork_trampoline)
 
 ENTRY(savectx)
-	la	a0, .Lsavectx_panic_str
-	call	panic
-.Lsavectx_panic_str:
-	.asciz "savectx_panic: %p\0"
+	/* Store ra, sp and the callee-saved registers */
+	sd	ra, (PCB_RA)(a0)
+	sd	sp, (PCB_SP)(a0)
+
+	/* s[0-11] */
+	sd	s0, (PCB_S + 0 * 8)(a0)
+	sd	s1, (PCB_S + 1 * 8)(a0)
+	sd	s2, (PCB_S + 2 * 8)(a0)
+	sd	s3, (PCB_S + 3 * 8)(a0)
+	sd	s4, (PCB_S + 4 * 8)(a0)
+	sd	s5, (PCB_S + 5 * 8)(a0)
+	sd	s6, (PCB_S + 6 * 8)(a0)
+	sd	s7, (PCB_S + 7 * 8)(a0)
+	sd	s8, (PCB_S + 8 * 8)(a0)
+	sd	s9, (PCB_S + 9 * 8)(a0)
+	sd	s10, (PCB_S + 10 * 8)(a0)
+	sd	s11, (PCB_S + 11 * 8)(a0)
+
+	/* Store the VFP registers */
+#ifdef VFP
+	/* TODO */
+#endif
+	ret
 END(savectx)