Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _M68K_SIGNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _M68K_SIGNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <uapi/asm/signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /* Most things should be clean enough to redefine this at will, if care
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)    is taken to make libc match.  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _NSIG		64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define _NSIG_BPW	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) typedef unsigned long old_sigset_t;		/* at least 32 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	unsigned long sig[_NSIG_WORDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) } sigset_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define __ARCH_HAS_SA_RESTORER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/sigcontext.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #ifndef CONFIG_CPU_HAS_NO_BITFIELDS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define __HAVE_ARCH_SIG_BITOPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static inline void sigaddset(sigset_t *set, int _sig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	asm ("bfset %0{%1,#1}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		: "+o" (*set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		: "id" ((_sig - 1) ^ 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		: "cc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static inline void sigdelset(sigset_t *set, int _sig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	asm ("bfclr %0{%1,#1}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		: "+o" (*set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		: "id" ((_sig - 1) ^ 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		: "cc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline int __const_sigismember(sigset_t *set, int _sig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	unsigned long sig = _sig - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline int __gen_sigismember(sigset_t *set, int _sig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	asm ("bfextu %1{%2,#1},%0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		: "=d" (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		: "o" (*set), "id" ((_sig-1) ^ 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 		: "cc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define sigismember(set,sig)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	(__builtin_constant_p(sig) ?		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	 __const_sigismember(set,sig) :		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	 __gen_sigismember(set,sig))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #endif /* _M68K_SIGNAL_H */