Function clear_pcb_flags

freebsd/amd64/amd64/machdep.c:2719–2823

}

void
clear_pcb_flags(struct pcb *pcb, const u_int flags)
{

	__asm __volatile("andl %1,%0"
	    : "=m" (pcb->pcb_flags) : "ir" (~flags), "m" (pcb->pcb_flags)
	    : "cc", "memory");
}

#ifdef KDB

/*
 * Provide inb() and outb() as functions.  They are normally only available as
 * inline functions, thus cannot be called from the debugger.
 */

/* silence compiler warnings */
u_char inb_(u_short);
void outb_(u_short, u_char);

u_char
inb_(u_short port)
{
	return inb(port);
}

void
outb_(u_short port, u_char data)
{
	outb(port, data);
}

#endif /* KDB */

#undef memset
#undef memmove
#undef memcpy

void	*memset_std(void *buf, int c, size_t len);
void	*memset_erms(void *buf, int c, size_t len);
void    *memmove_std(void * _Nonnull dst, const void * _Nonnull src,
	    size_t len);
void    *memmove_erms(void * _Nonnull dst, const void * _Nonnull src,
	    size_t len);
void    *memcpy_std(void * _Nonnull dst, const void * _Nonnull src,
	    size_t len);
void    *memcpy_erms(void * _Nonnull dst, const void * _Nonnull src,
	    size_t len);

#ifdef KCSAN
/*
 * These fail to build as ifuncs when used with KCSAN.
 */
void *
memset(void *buf, int c, size_t len)
{

	return (memset_std(buf, c, len));