suspend.s

来自「Windows CE 6.0 BSP for VOIPAC Board (PXA」· S 代码 · 共 42 行

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
#include <kxmips.h>

//------------------------------------------------------------------------------
//
// Function:     VOID OALCPUPowerOff()
//
// This function set VR4131 SoC to suspend mode.
//

LEAF_ENTRY(OALCPUPowerOff)

        .set    noreorder
        .set    noat

        li      t1, 0x00007F00
        mtc0    t1, psr
        nop

	.word	0x42000022		// suspend

        mtc0    zero, psr
        
        j       ra
        nop
        
        .set    at
        .set    reorder
        .end    OALCPUPowerOff

//------------------------------------------------------------------------------