2 * Copyright (c) 1998 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_CPUFUNC_H_
30 #define _MACHINE_CPUFUNC_H_
34 #include <sys/types.h>
35 #include <machine/ia64_cpu.h>
36 #include <machine/vmparam.h>
39 #error this file needs sys/cdefs.h as a prerequisite
44 #define IA64_FIXED_BREAK 0x84B5D
51 __asm __volatile("break.m %0" :: "i"(IA64_FIXED_BREAK));
54 #define HAVE_INLINE_FFS
55 #define ffs(x) __builtin_ffs(x)
57 #define __MEMIO_ADDR(x) (__volatile void*)(IA64_PHYS_TO_RR6(x))
58 extern __volatile void *ia64_ioport_address(u_int);
59 #define __PIO_ADDR(x) ia64_ioport_address(x)
62 * I/O port reads with ia32 semantics.
64 static __inline uint8_t
65 inb(unsigned int port)
67 __volatile uint8_t *p;
77 static __inline uint16_t
78 inw(unsigned int port)
80 __volatile uint16_t *p;
90 static __inline uint32_t
91 inl(unsigned int port)
104 insb(unsigned int port, void *addr, size_t count)
112 insw(unsigned int port, void *addr, size_t count)
114 uint16_t *buf = addr;
120 insl(unsigned int port, void *addr, size_t count)
122 uint32_t *buf = addr;
128 outb(unsigned int port, uint8_t data)
131 p = __PIO_ADDR(port);
139 outw(unsigned int port, uint16_t data)
141 volatile uint16_t *p;
142 p = __PIO_ADDR(port);
150 outl(unsigned int port, uint32_t data)
152 volatile uint32_t *p;
153 p = __PIO_ADDR(port);
161 outsb(unsigned int port, const void *addr, size_t count)
163 const uint8_t *buf = addr;
169 outsw(unsigned int port, const void *addr, size_t count)
171 const uint16_t *buf = addr;
177 outsl(unsigned int port, const void *addr, size_t count)
179 const uint32_t *buf = addr;
187 __asm __volatile ("rsm psr.i");
193 __asm __volatile ("ssm psr.i;; srlz.d");
196 static __inline register_t
200 __asm __volatile ("mov %0=psr;;" : "=r"(psr));
202 return ((psr & IA64_PSR_I) ? 1 : 0);
206 intr_restore(register_t ie)
212 #endif /* __GNUCLIKE_ASM */
216 #endif /* !_MACHINE_CPUFUNC_H_ */