27e327fdaf
with a memory mapped I/O range that's immediately before it and is not 256MB aligned. As a result, when an address is accessed in the memory mapped range and a direct mapping is added for it, it overlaps with the pre-mapped I/O port space and causes a machine check. Based on a patch from: arun@
74 lines
2.4 KiB
C
74 lines
2.4 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_MD_VAR_H_
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#define _MACHINE_MD_VAR_H_
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/*
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* Miscellaneous machine-dependent declarations.
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*/
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extern char sigcode[];
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extern char esigcode[];
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extern int szsigcode;
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extern long Maxmem;
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struct fpreg;
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struct reg;
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struct thread;
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struct trapframe;
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struct ia64_fdesc {
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u_int64_t func;
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u_int64_t gp;
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};
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#define FDESC_FUNC(fn) (((struct ia64_fdesc *) fn)->func)
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#define FDESC_GP(fn) (((struct ia64_fdesc *) fn)->gp)
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void busdma_swi(void);
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int copyout_regstack(struct thread *, uint64_t *, uint64_t *);
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void cpu_mp_add(u_int, u_int, u_int);
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int do_ast(struct trapframe *);
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int ia64_count_cpus(void);
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int ia64_highfp_drop(struct thread *);
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int ia64_highfp_save(struct thread *);
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void ia64_init(void);
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void ia64_probe_sapics(void);
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int interrupt(uint64_t, struct trapframe *);
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void map_gateway_page(void);
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void map_pal_code(void);
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void os_boot_rendez(void);
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void os_mca(void);
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void spillfd(void *src, void *dst);
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int syscall(struct trapframe *);
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void trap(int, struct trapframe *);
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int unaligned_fixup(struct trapframe *, struct thread *);
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#endif /* !_MACHINE_MD_VAR_H_ */
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