Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / m68k / include / asm / signal.h

diff --git a/kernel/arch/m68k/include/asm/signal.h b/kernel/arch/m68k/include/asm/signal.h
new file mode 100644 (file)
index 0000000..8c8ce5e
--- /dev/null
+++ b/kernel/arch/m68k/include/asm/signal.h
@@ -0,0 +1,70 @@
+#ifndef _M68K_SIGNAL_H
+#define _M68K_SIGNAL_H
+
+#include <uapi/asm/signal.h>
+
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define _NSIG          64
+#define _NSIG_BPW      32
+#define _NSIG_WORDS    (_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;            /* at least 32 bits */
+
+typedef struct {
+       unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#define __ARCH_HAS_SA_RESTORER
+
+#include <asm/sigcontext.h>
+
+#ifndef CONFIG_CPU_HAS_NO_BITFIELDS
+#define __HAVE_ARCH_SIG_BITOPS
+
+static inline void sigaddset(sigset_t *set, int _sig)
+{
+       asm ("bfset %0{%1,#1}"
+               : "+o" (*set)
+               : "id" ((_sig - 1) ^ 31)
+               : "cc");
+}
+
+static inline void sigdelset(sigset_t *set, int _sig)
+{
+       asm ("bfclr %0{%1,#1}"
+               : "+o" (*set)
+               : "id" ((_sig - 1) ^ 31)
+               : "cc");
+}
+
+static inline int __const_sigismember(sigset_t *set, int _sig)
+{
+       unsigned long sig = _sig - 1;
+       return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
+}
+
+static inline int __gen_sigismember(sigset_t *set, int _sig)
+{
+       int ret;
+       asm ("bfextu %1{%2,#1},%0"
+               : "=d" (ret)
+               : "o" (*set), "id" ((_sig-1) ^ 31)
+               : "cc");
+       return ret;
+}
+
+#define sigismember(set,sig)                   \
+       (__builtin_constant_p(sig) ?            \
+        __const_sigismember(set,sig) :         \
+        __gen_sigismember(set,sig))
+
+#endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
+
+#ifndef __uClinux__
+extern void ptrace_signal_deliver(void);
+#define ptrace_signal_deliver ptrace_signal_deliver
+#endif /* __uClinux__ */
+
+#endif /* _M68K_SIGNAL_H */