82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/****************************************************************************
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* arch/risc-v/src/rv32m1/rv32m1_linker.h
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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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#ifndef __ARCH_RISCV_SRC_RV32M1_RV32M1_LINKER_H
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#define __ARCH_RISCV_SRC_RV32M1_RV32M1_LINKER_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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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_RV32M1_ITCM
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# define SECTION_ITCM ".itcm" /* System ITCM */
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# define SECTION_UITCM ".uitcm" /* User ITCM */
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#endif
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* LOCATE_ITCM is a recommendation rather than a forced command
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* to place codes in Section ITCM. It is effective when RV32M1
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* has ITCM.
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*/
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#ifdef CONFIG_RV32M1_ITCM
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# define LOCATE_ITCM locate_code(SECTION_ITCM) /* System ITCM */
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# define LOCATE_UITCM locate_code(SECTION_UITCM) /* User ITCM */
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#else
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# define LOCATE_ITCM
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# define LOCATE_UITCM
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#endif
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#undef EXTERN
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#if defined(__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_RV32M1_ITCM
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EXTERN uint8_t _slitcm[]; /* Start of ITCM LMA */
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EXTERN uint8_t _svitcm[]; /* Start of ITCM VMA */
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EXTERN uint8_t _evitcm[]; /* End+1 of ITCM VMA */
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EXTERN uint8_t _suvitcm[]; /* Start of User ITCM VMA */
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EXTERN uint8_t _euvitcm[]; /* End+1 of User ITCM VMA */
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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 /* __ASSEMBLY__ */
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#endif /* __ARCH_RISCV_SRC_RV32M1_RV32M1_LINKER_H */
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