/* ---------------------------------------------------------------------------- | |
* SAM Software Package License | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2015, Atmel Corporation | |
* | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* - Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the disclaimer below. | |
* | |
* Atmel's name may not be used to endorse or promote products derived from | |
* this software without specific prior written permission. | |
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
* DISCLAIMED. IN NO EVENT SHALL ATMEL 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 | |
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* ---------------------------------------------------------------------------- | |
*/ | |
/** \file */ | |
/*---------------------------------------------------------------------------- | |
* Functions to access CPSR | |
*----------------------------------------------------------------------------*/ | |
.section .text.v_arm_clr_cpsr_bits | |
.global v_arm_clr_cpsr_bits | |
v_arm_clr_cpsr_bits: | |
push {r1} | |
mrs r1, cpsr | |
mvn r0, r0 | |
and r1, r1,r0 | |
msr CPSR_c, r1 | |
pop {r1} | |
bx lr | |
.section .text.v_arm_set_cpsr_bits | |
.global v_arm_set_cpsr_bits | |
v_arm_set_cpsr_bits: | |
push {r1} | |
mrs r1, cpsr | |
orr r1, r1, r0 | |
msr cpsr_c, r1 | |
pop {r1} | |
bx lr |