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>
40 #define IA64_FIXED_BREAK 0x84B5D
47 __asm __volatile("break.m %0" :: "i"(IA64_FIXED_BREAK));
50 #define HAVE_INLINE_FFS
55 return (__builtin_ffs(mask));
60 extern uint64_t ia64_port_base;
61 #define __MEMIO_ADDR(x) (__volatile void*)(IA64_PHYS_TO_RR6(x))
62 #define __PIO_ADDR(x) (__volatile void*)(ia64_port_base | \
63 (((x) & 0xFFFC) << 10) | ((x) & 0xFFF))
66 * I/O port reads with ia32 semantics.
68 static __inline uint8_t
69 inb(unsigned int port)
71 __volatile uint8_t *p;
81 static __inline uint16_t
82 inw(unsigned int port)
84 __volatile uint16_t *p;
94 static __inline uint32_t
95 inl(unsigned int port)
108 insb(unsigned int port, void *addr, size_t count)
116 insw(unsigned int port, void *addr, size_t count)
118 uint16_t *buf = addr;
124 insl(unsigned int port, void *addr, size_t count)
126 uint32_t *buf = addr;
132 outb(unsigned int port, uint8_t data)
135 p = __PIO_ADDR(port);
143 outw(unsigned int port, uint16_t data)
145 volatile uint16_t *p;
146 p = __PIO_ADDR(port);
154 outl(unsigned int port, uint32_t data)
156 volatile uint32_t *p;
157 p = __PIO_ADDR(port);
165 outsb(unsigned int port, const void *addr, size_t count)
167 const uint8_t *buf = addr;
173 outsw(unsigned int port, const void *addr, size_t count)
175 const uint16_t *buf = addr;
181 outsl(unsigned int port, const void *addr, size_t count)
183 const uint32_t *buf = addr;
191 __asm __volatile ("rsm psr.i");
197 __asm __volatile ("ssm psr.i;; srlz.d");
200 static __inline register_t
204 __asm __volatile ("mov %0=psr;;" : "=r"(psr));
206 return ((psr & IA64_PSR_I) ? 1 : 0);
210 intr_restore(register_t ie)
218 #endif /* !_MACHINE_CPUFUNC_H_ */