types.h

来自「国产CPU－龙芯（loongson)BIOS源代码」· C头文件 代码 · 共 37 行

/* type */
#include <address.h>

#ifndef _TYPES_
#define _TYPES_

typedef unsigned int u32;
typedef unsigned short u16;
typedef unsigned char u8;
#define NULL (void *)0

#define KSEG1(addr) (void *)(K1BASE | (u32)addr)

#define KSEG1_STORE8(addr, value) *(u8 *)(KSEG1(addr)) = ((u8)value & 0xff)
#define KSEG1_STORE16(addr, value) *(u16 *)(KSEG1(addr)) = ((u8)value & 0xffff)
#define KSEG1_STORE32(addr, value) *(u32 *)(KSEG1(addr)) = (u32)value

#define KSEG1_LOAD8(addr) *(u8 *)(KSEG1(addr))
#define KSEG1_LOAD16(addr) *(u16 *)(KSEG1(addr))
#define KSEG1_LOAD32(addr) *(u32 *)(KSEG1(addr))

#define STORE8(addr, value) *(u8 *)(addr) = value
#define STORE16(addr, value) *(u16 *)(addr) = value
#define STORE32(addr, value) *(u32 *)(addr) = value

#define LOAD8(addr) *(u8 *)(addr)
#define LOAD16(addr) *(u16 *)(addr)
#define LOAD32(addr) *(u32 *)(addr)

#define PHY(addr) \
    ((u32)addr >= 0x80000000 && (u32)addr < 0xa0000000)? \
    (u32)addr-0x80000000:(u32)addr >= 0xa0000000? \
    (u32)addr-0xa0000000:(u32)addr 

#endif /* _TYPES_ */