calluserprog.s

T－Kernel Shell Sample

/*""FILE COMMENT""*************************************************************
*   System Name : RENESAS 7145 micro T-Engine
*   File Name   : calluserprog.S
*   Version     : 1.01.00
*   Contents    : user program entry for "LODSPG" or "UNLSPG"
*   Model       : RENESAS T-Engine/uT-Engine
*   CPU         : RENESAS T-Engine Series CPU
*   Compiler    : GNU
*   OS          : T-Kernel
*
*   note        : The Software is being delivered to you "AS IS" 
*               : and Renesas,whether explicitly or implicitly makes  
*               : no warranty as to its Use or performance. 
*               : RENESAS AND ITS SUPPLIER DO NOT AND CANNOT WARRANT 
*               : THE PERFORMANCE OR RESULTS YOU MAY OBTAIN  BY USING 
*               : THE SOFTWARE. AS TO ANY MATTER INCLUDING WITHOUT 
*               : LIMITATION NONINFRINGEMENT OF THIRD PARTY RIGHTS,
*               : MERCHANTABILITY, INTEGRATION, SATISFACTORY QUALITY, 
*               : OR FITNESS FOR ANY PARTICULAR PURPOSE.
*
*   Copyright (c) 2004-2006 RENESAS TECHNOLOGY CORP. All Rights Reserved.
*   AND RENESAS SOLUTIONS CORP. All Rights Reserved.
*
*   history     : 2004.10.01 ver1.00.00
*               : 2006.02.01 ver1.01.00
*""FILE COMMENT END""*********************************************************/

#ifdef _MIC_SH7145_

#include <machine.h>


/*""FUNC COMMENT""*******************************************************
 * ID          : X.Y.Z
 * Outline     : User Program Entry(Assembler)
 *-----------------------------------------------------------------------
 * Include     :
 *-----------------------------------------------------------------------
 * Definition  : ER CallUserProgram( INT ac, UB *av[] )
 *-----------------------------------------------------------------------
 * Function    : User Program Entry(Assembler)
 *             : This is entry of "LODSPG" or "UNLSPG" command
 *-----------------------------------------------------------------------
 * Argument    : INT ac(R4) 
 *             : UB  *av(R5)
 *----------------------------------------------------------------------- 
 * Return      : error code(R0)
 *-----------------------------------------------------------------------
 * Input       : None 
 * Output      : None 
 *-----------------------------------------------------------------------
 * Used Func   : None
 *-----------------------------------------------------------------------
 * Notice      : None
 *""FUNC COMMENT END""***************************************************/
	.text
	.balign	2
	.globl	Csym(CallUserProgram)
Csym(CallUserProgram):
	mov.l	r8,  @-SP		// Save register 
	mov.l	r9,  @-SP
	mov.l	r10, @-SP
	mov.l	r11, @-SP
	mov.l	r12, @-SP
	mov.l	r13, @-SP
	mov.l	r14, @-SP
	sts.l	pr,  @-SP

	jsr	@r6			// call entry(ac, av)
	nop

	lds.l	@SP+, pr		// Restore register 
	mov.l	@SP+, r14
	mov.l	@SP+, r13
	mov.l	@SP+, r12
	mov.l	@SP+, r11
	mov.l	@SP+, r10
	mov.l	@SP+, r9
	rts
	mov.l	@SP+, r8

#endif // _MIC_SH7145_