60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
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/****************************************************************************
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* arch/arm/src/common/arm_fpucmp.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <string.h>
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#include <nuttx/irq.h>
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#include "arm_internal.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_ARCH_FPU
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_fpucmp
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*
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* Description:
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* compare FPU areas from thread context
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*
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****************************************************************************/
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bool up_fpucmp(const void *saveregs1, const void *saveregs2)
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{
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const uint32_t *regs1 = saveregs1;
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const uint32_t *regs2 = saveregs2;
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return memcmp(®s1[REG_S0],
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®s2[REG_S0], (4 * FPU_CONTEXT_REGS)) == 0;
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}
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#endif /* CONFIG_ARCH_FPU */
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