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00020 #ifndef _RTAI_SRQ_H_
00021 #define _RTAI_SRQ_H_
00022
00023
00024 static inline long long rtai_srq(unsigned long srq, unsigned long whatever)
00025 {
00026 long long retval;
00027 register unsigned long __sc_0 __asm__ ("r0");
00028 register unsigned long __sc_3 __asm__ ("r3");
00029 register unsigned long __sc_4 __asm__ ("r4");
00030
00031 __sc_0 = (__sc_3 = srq) + (__sc_4 = whatever);
00032 __asm__ __volatile__
00033 ("trap \n\t"
00034 : "=&r" (__sc_3), "=&r" (__sc_4)
00035 : "0" (__sc_3), "1" (__sc_4),
00036 "r" (__sc_0)
00037 : "r0", "r3", "r4" );
00038 ((unsigned long *)&retval)[0] = __sc_3;
00039 ((unsigned long *)&retval)[1] = __sc_4;
00040 return retval;
00041 }
00042
00043 static inline int rtai_open_srq(unsigned int label)
00044 {
00045 return (int)rtai_srq(0, label);
00046 }
00047 #endif