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#ifndef MELVIX_SYSCALL_H
#define MELVIX_SYSCALL_H
#include <kernel/interrupts/interrupts.h>
void syscalls_install();
void syscall_handler(struct regs *r);
#define DECL_SYSCALL0(fn) int syscall_##fn();
#define DECL_SYSCALL1(fn, p1) int syscall_##fn(p1);
#define DECL_SYSCALL2(fn, p1, p2) int syscall_##fn(p1,p2);
#define DECL_SYSCALL3(fn, p1, p2, p3) int syscall_##fn(p1,p2,p3);
#define DECL_SYSCALL4(fn, p1, p2, p3, p4) int syscall_##fn(p1,p2,p3,p4);
#define DECL_SYSCALL5(fn, p1, p2, p3, p4, p5) int syscall_##fn(p1,p2,p3,p4,p5);
#define DEFN_SYSCALL0(fn, num) \
int syscall_##fn() { \
int a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
return a; \
}
#define DEFN_SYSCALL1(fn, num, P1) \
int syscall_##fn(P1 p1) { \
int a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1)); \
return a; \
}
#define DEFN_SYSCALL2(fn, num, P1, P2) \
int syscall_##fn(P1 p1, P2 p2) { \
int a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1), "c" ((int)p2)); \
return a; \
}
DECL_SYSCALL1(vesa_draw_string, const char *)
DECL_SYSCALL1(vesa_draw_number, int)
DECL_SYSCALL1(serial_write, const char *)
#endif
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