opnsense-src/sys/ia64/include/cpufunc.h
Marcel Moolenaar 419ee98298 MFC rev 199727, 200888, 201031, 202904, 203054, 203106, 203572, 203884,
204183, 204184, 204185, 204425, 204904, 204905, 205172, 205234, 205357,
205428, 205429, 205431, 205432, 205433, 205434, 205435, 205454, 205665,
205713, 205723, 205726 and 205727:

Bring ia64 machine-dependent changes from 9-current to 8-stable.
2010-03-31 05:05:28 +00:00

91 lines
2.3 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_CPUFUNC_H_
#define _MACHINE_CPUFUNC_H_
#ifdef _KERNEL
#include <sys/types.h>
#include <machine/ia64_cpu.h>
#include <machine/vmparam.h>
#ifndef _SYS_CDEFS_H_
#error this file needs sys/cdefs.h as a prerequisite
#endif
struct thread;
#define IA64_FIXED_BREAK 0x84B5D
#ifdef __GNUCLIKE_ASM
static __inline void
breakpoint(void)
{
__asm __volatile("break.m %0" :: "i"(IA64_FIXED_BREAK));
}
#define HAVE_INLINE_FFS
#define ffs(x) __builtin_ffs(x)
static __inline void
ia64_disable_intr(void)
{
__asm __volatile ("rsm psr.i");
}
static __inline void
ia64_enable_intr(void)
{
__asm __volatile ("ssm psr.i;; srlz.d");
}
static __inline register_t
intr_disable(void)
{
register_t psr;
__asm __volatile ("mov %0=psr;;" : "=r"(psr));
ia64_disable_intr();
return ((psr & IA64_PSR_I) ? 1 : 0);
}
static __inline void
intr_restore(register_t ie)
{
if (ie)
ia64_enable_intr();
}
#endif /* __GNUCLIKE_ASM */
#endif /* _KERNEL */
#endif /* !_MACHINE_CPUFUNC_H_ */