113 lines
2.1 KiB
C
113 lines
2.1 KiB
C
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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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type.h
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Forrest Yu, 2005
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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#ifndef _ORANGES_TYPE_H_
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#define _ORANGES_TYPE_H_
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#ifndef NULL
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#define NULL ((void*) 0)
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#endif
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typedef _Bool bool;
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enum { false, true };
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typedef long long i64;
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typedef unsigned long long u64;
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typedef int i32;
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typedef unsigned int u32;
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typedef short i16;
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typedef unsigned short u16;
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typedef char i8;
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typedef unsigned char u8;
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typedef i32 intptr_t;
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typedef u32 uintptr_t;
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// 通常描述一个对象的大小，会根据机器的型号变化类型
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typedef u32 size_t;
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// signed size_t 通常描述系统调用返回值，会根据机器的型号变化类型
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typedef i32 ssize_t;
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// 通常描述偏移量，会根据机器的型号变化类型
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typedef i32 off_t;
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// 通常描述物理地址
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typedef u32 phyaddr_t;
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typedef void (*int_handler) ();
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typedef void (*task_f) ();
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typedef void (*irq_handler) (int irq);
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typedef char * va_list; //added by mingxuan 2019-5-19
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typedef void* system_call;
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//mainly used in filesystem. added by xw, 18/8/27
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/**
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* MESSAGE mechanism is borrowed from MINIX
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*/
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struct mess1 {
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int m1i1;
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int m1i2;
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int m1i3;
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int m1i4;
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};
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struct mess2 {
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void* m2p1;
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void* m2p2;
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void* m2p3;
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void* m2p4;
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};
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struct mess3 {
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int m3i1;
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int m3i2;
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int m3i3;
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int m3i4;
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u64 m3l1;
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u64 m3l2;
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void* m3p1;
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void* m3p2;
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};
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typedef struct {
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int source;
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int type;
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union {
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struct mess1 m1;
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struct mess2 m2;
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struct mess3 m3;
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} u;
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} MESSAGE;
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/**
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* @enum msgtype
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* @brief MESSAGE types
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*/
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enum msgtype {
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/*
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* when hard interrupt occurs, a msg (with type==HARD_INT) will
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* be sent to some tasks
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*/
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HARD_INT = 1,
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/* SYS task */
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GET_TICKS,
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/// zcr added from ch9/e/include/const.h
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/* FS */
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OPEN, CLOSE, READ, WRITE, LSEEK, STAT, UNLINK,
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/* message type for drivers */
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DEV_OPEN = 1001,
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DEV_CLOSE,
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DEV_READ,
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DEV_WRITE,
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DEV_IOCTL
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};
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#endif /* _ORANGES_TYPE_H_ */
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