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// MIT License, Copyright (c) 2020 Marvin Borner
// Syscall implementation
#ifndef SYS_H
#define SYS_H
enum sys {
SYS_LOOP,
SYS_MALLOC,
SYS_FREE,
SYS_READ,
SYS_WRITE,
SYS_EXEC,
SYS_EXIT,
SYS_MAP,
SYS_UNMAP
};
enum event { EVENT_KEYBOARD, EVENT_MOUSE };
#if defined(userspace)
int sys0(enum sys num);
int sys1(enum sys num, int d1);
int sys2(enum sys num, int d1, int d2);
int sys3(enum sys num, int d1, int d2, int d3);
int sys4(enum sys num, int d1, int d2, int d3, int d4);
int sys5(enum sys num, int d1, int d2, int d3, int d4, int d5);
int sysv(enum sys num, ...);
/**
* Wrappers
*/
#define loop() sys0(SYS_LOOP)
#define read(path) (void *)sys1(SYS_READ, (int)path)
#define write(path, buf) sys2(SYS_WRITE, (int)path, buf)
#define exec(path, ...) sysv(SYS_EXEC, (int)path, ##__VA_ARGS__)
#define exit(status) \
{ \
sys1(SYS_EXIT, (int)status); \
while (1) { \
} \
}
#define map(id, func) sys2(SYS_MAP, (int)id, (int)func)
#define unmap(id, func) sys2(SYS_UNMAP, (int)id, (int)func)
#endif
#endif
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