Repair bad checkin

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@347 42af7a65-404d-4744-a932-0658087f49c3

arch/sim/src/up_setjmp.S

@@ -1,5 +1,129 @@
-# 1 "up_setjmp.S"
+/**************************************************************************
-# 1 "/home/Owner/projects/nuttx/arch/sim/src//"
+ * up_setjmp.S
-# 1 "<built-in>"
+ *
-# 1 "<command line>"
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
-# 1 "up_setjmp.S"
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ **************************************************************************/
+
+/**************************************************************************
+ * Conditional Compilation Options
+ **************************************************************************/
+
+/**************************************************************************
+ * Included Files
+ **************************************************************************/
+
+#include "up_internal.h"
+
+/**************************************************************************
+ * Private Definitions
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Types
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Function Prototypes
+ **************************************************************************/
+
+/**************************************************************************
+ * Global Variables
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Variables
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Functions
+ **************************************************************************/
+
+/**************************************************************************
+ * Public Functions
+ **************************************************************************/
+
+	.text
+	.globl	up_setjmp
+	.type	up_setjmp, @function
+up_setjmp:
+
+	/* %ebx, %esi, %edi, and %ebp must be preserved.
+	 * save %ebx, $esi, and %edi now... */
+
+        movl	4(%esp), %eax
+        movl	%ebx, (JB_EBX)(%eax)
+        movl	%esi, (JB_ESI)(%eax)
+        movl	%edi, (JB_EDI)(%eax)
+
+        /* Save the value of SP as will be after we return */
+
+        leal	4(%esp), %ecx
+        movl	%ecx, (JB_SP)(%eax)
+
+        /* Save the return PC */
+
+        movl	0(%esp), %ecx
+        movl	%ecx, (JB_PC)(%eax)
+
+        /* Save the framepointer */
+
+        movl %ebp, (JB_EBP)(%eax)
+
+	/* And return 0 */
+
+	xorl    %eax, %eax
+        ret
+	.size	up_setjmp, . - up_setjmp
+
+	.globl	up_longjmp
+	.type	up_longjmp, @function
+up_longjmp:
+        movl	4(%esp), %ecx      /* U_pthread_jmpbuf in %ecx.  */
+        movl	8(%esp), %eax      /* Second argument is return value.  */
+
+        /* Save the return address now.  */
+
+        movl (JB_PC)(%ecx), %edx
+
+        /* Restore registers.  */
+
+        movl (JB_EBX)(%ecx), %ebx
+        movl (JB_ESI)(%ecx), %esi
+        movl (JB_EDI)(%ecx), %edi
+        movl (JB_EBP)(%ecx), %ebp
+        movl (JB_SP)(%ecx), %esp
+
+        /* Jump to saved PC.  */
+
+        jmp *%edx
+	.size up_longjmp, . - up_longjmp
+