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) (void*)(IA64_PHYS_TO_RR6(x))
58 extern 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)
70 v = ia64_ld1(__PIO_ADDR(port));
76 static __inline uint16_t
77 inw(unsigned int port)
82 v = ia64_ld2(__PIO_ADDR(port));
88 static __inline uint32_t
89 inl(unsigned int port)
94 v = ia64_ld4(__PIO_ADDR(port));
101 insb(unsigned int port, void *addr, size_t count)
109 insw(unsigned int port, void *addr, size_t count)
111 uint16_t *buf = addr;
117 insl(unsigned int port, void *addr, size_t count)
119 uint32_t *buf = addr;
125 outb(unsigned int port, uint8_t data)
129 ia64_st1(__PIO_ADDR(port), data);
135 outw(unsigned int port, uint16_t data)
139 ia64_st2(__PIO_ADDR(port), data);
145 outl(unsigned int port, uint32_t data)
149 ia64_st4(__PIO_ADDR(port), data);
155 outsb(unsigned int port, const void *addr, size_t count)
157 const uint8_t *buf = addr;
163 outsw(unsigned int port, const void *addr, size_t count)
165 const uint16_t *buf = addr;
171 outsl(unsigned int port, const void *addr, size_t count)
173 const uint32_t *buf = addr;
181 __asm __volatile ("rsm psr.i");
187 __asm __volatile ("ssm psr.i;; srlz.d");
190 static __inline register_t
194 __asm __volatile ("mov %0=psr;;" : "=r"(psr));
196 return ((psr & IA64_PSR_I) ? 1 : 0);
200 intr_restore(register_t ie)
206 #endif /* __GNUCLIKE_ASM */
210 #endif /* !_MACHINE_CPUFUNC_H_ */