sh4regtype.h

来自「采用ST20 CPU的机顶盒的烧写程序」· C头文件 代码 · 共 28 行

/*
 * Copyright (C) STMicroelectronics Ltd. 2002.
 *
 * All rights reserved.
 */

#ifndef __SH4REGTYPE_H
#define __SH4REGTYPE_H

#ifndef _SH4REG_ASM_
typedef volatile unsigned char *const sh4_byte_reg_t;
typedef volatile unsigned short *const sh4_word_reg_t;
typedef volatile unsigned int *const sh4_dword_reg_t;
__extension__ typedef volatile unsigned long long int *const sh4_gword_reg_t;

#define SH4_BYTE_REG(address) ((sh4_byte_reg_t) (address))
#define SH4_WORD_REG(address) ((sh4_word_reg_t) (address))
#define SH4_DWORD_REG(address) ((sh4_dword_reg_t) (address))
#define SH4_GWORD_REG(address) ((sh4_gword_reg_t) (address))
#else
#define SH4_BYTE_REG(address) (address)
#define SH4_WORD_REG(address) (address)
#define SH4_DWORD_REG(address) (address)
#define SH4_GWORD_REG(address) (address)
#endif

#endif /* __SH4REGTYPE_H */