1ebcad5720
not work on any real hardware (or fully work on any simulator). Much more needs to happen before this is actually functional but its nice to see the FreeBSD copyright message appear in the ia64 simulator.
198 lines
3.9 KiB
C
198 lines
3.9 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_CPUFUNC_H_
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#define _MACHINE_CPUFUNC_H_
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#ifdef _KERNEL
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#include <sys/types.h>
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#ifdef __GNUC__
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static __inline void
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breakpoint(void)
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{
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__asm __volatile("break 0x80100"); /* XXX use linux value */
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}
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#endif
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static __inline u_int8_t
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inb(u_int port)
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{
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return 0; /* TODO: implement this */
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}
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static __inline u_int16_t
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inw(u_int port)
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{
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return 0; /* TODO: implement this */
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}
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static __inline u_int32_t
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inl(u_int port)
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{
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return 0; /* TODO: implement this */
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}
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static __inline void
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insb(u_int port, void *addr, size_t count)
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{
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u_int8_t *p = addr;
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while (count--)
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*p++ = inb(port);
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}
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static __inline void
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insw(u_int port, void *addr, size_t count)
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{
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u_int16_t *p = addr;
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while (count--)
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*p++ = inw(port);
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}
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static __inline void
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insl(u_int port, void *addr, size_t count)
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{
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u_int32_t *p = addr;
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while (count--)
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*p++ = inl(port);
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}
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static __inline void
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outb(u_int port, u_int8_t data)
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{
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return; /* TODO: implement this */
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}
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static __inline void
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outw(u_int port, u_int16_t data)
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{
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return; /* TODO: implement this */
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}
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static __inline void
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outl(u_int port, u_int32_t data)
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{
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return; /* TODO: implement this */
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}
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static __inline void
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outsb(u_int port, const void *addr, size_t count)
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{
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const u_int8_t *p = addr;
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while (count--)
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outb(port, *p++);
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}
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static __inline void
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outsw(u_int port, const void *addr, size_t count)
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{
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const u_int16_t *p = addr;
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while (count--)
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outw(port, *p++);
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}
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static __inline void
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outsl(u_int port, const void *addr, size_t count)
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{
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const u_int32_t *p = addr;
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while (count--)
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outl(port, *p++);
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}
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static __inline u_int8_t
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readb(u_int addr)
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{
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return 0; /* TODO: implement this */
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}
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static __inline u_int16_t
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readw(u_int addr)
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{
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return 0; /* TODO: implement this */
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}
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static __inline u_int32_t
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readl(u_int addr)
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{
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return 0; /* TODO: implement this */
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}
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static __inline void
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writeb(u_int addr, u_int8_t data)
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{
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return; /* TODO: implement this */
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}
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static __inline void
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writew(u_int addr, u_int16_t data)
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{
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return; /* TODO: implement this */
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}
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static __inline void
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writel(u_int addr, u_int32_t data)
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{
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return; /* TODO: implement this */
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}
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/*
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* Bogus interrupt manipulation
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*/
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static __inline void
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disable_intr(void)
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{
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__asm __volatile ("rsm psr.i;;");
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}
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static __inline void
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enable_intr(void)
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{
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__asm __volatile (";; ssm psr.i;; srlz.d");
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}
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static __inline u_int
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save_intr(void)
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{
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u_int psr;
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__asm __volatile ("mov %0=psr;;" : "=r" (psr));
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return psr;
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}
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static __inline void
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restore_intr(u_int psr)
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{
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__asm __volatile ("mov psr.l=%0;; srlz.d" :: "r" (psr));
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}
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#endif /* _KERNEL */
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#endif /* !_MACHINE_CPUFUNC_H_ */
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