42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
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/***************************************************************************************
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* Copyright (c) 2014-2022 Zihao Yu, Nanjing University
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*
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* NEMU is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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*
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* See the Mulan PSL v2 for more details.
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***************************************************************************************/
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#ifndef __MEMORY_HOST_H__
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#define __MEMORY_HOST_H__
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#include <common.h>
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static inline word_t host_read(void *addr, int len) {
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switch (len) {
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case 1: return *(uint8_t *)addr;
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case 2: return *(uint16_t *)addr;
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case 4: return *(uint32_t *)addr;
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IFDEF(CONFIG_ISA64, case 8: return *(uint64_t *)addr);
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default: MUXDEF(CONFIG_RT_CHECK, assert(0), return 0);
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}
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}
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static inline void host_write(void *addr, int len, word_t data) {
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switch (len) {
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case 1: *(uint8_t *)addr = data; return;
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case 2: *(uint16_t *)addr = data; return;
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case 4: *(uint32_t *)addr = data; return;
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IFDEF(CONFIG_ISA64, case 8: *(uint64_t *)addr = data; return);
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IFDEF(CONFIG_RT_CHECK, default: assert(0));
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}
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}
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#endif
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