9b98f20969
be prefixed by xtensa_ instead of up_. Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/****************************************************************************
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* arch/xtensa/include/arch.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* This file should never be included directly but, rather, only indirectly
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* through nuttx/arch.h
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*/
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#ifndef __ARCH_XTENSA_INCLUDE_ARCH_H
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#define __ARCH_XTENSA_INCLUDE_ARCH_H
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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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Inline functions
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****************************************************************************/
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/****************************************************************************
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* Name: xtensa_getsp
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****************************************************************************/
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static inline uint32_t xtensa_getsp(void)
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{
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register uint32_t sp;
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__asm__ __volatile__
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(
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"mov %0, sp\n"
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: "=r" (sp)
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);
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return sp;
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}
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#ifdef CONFIG_XTENSA_USE_SEPARATE_IMEM
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struct mallinfo; /* Forward reference, see malloc.h */
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void xtensa_imm_initialize(void);
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FAR void *xtensa_imm_malloc(size_t size);
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void xtensa_imm_free(FAR void *mem);
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FAR void *xtensa_imm_memalign(size_t alignment, size_t size);
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bool xtensa_imm_heapmember(FAR void *mem);
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int xtensa_imm_mallinfo(FAR struct mallinfo *info);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ARCH_XTENSA_INCLUDE_ARCH_H */
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