mirror of https://gitee.com/openkylin/qemu.git
56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/*
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* defines ioport related functions
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
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*/
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/**************************************************************************
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* IO ports API
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*/
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#ifndef IOPORT_H
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#define IOPORT_H
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#include "qemu-common.h"
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#define MAX_IOPORTS (64 * 1024)
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#define IOPORTS_MASK (MAX_IOPORTS - 1)
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/* These should really be in isa.h, but are here to make pc.h happy. */
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typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
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typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
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int register_ioport_read(int start, int length, int size,
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IOPortReadFunc *func, void *opaque);
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int register_ioport_write(int start, int length, int size,
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IOPortWriteFunc *func, void *opaque);
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void isa_unassign_ioport(int start, int length);
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/* NOTE: as these functions may be even used when there is an isa
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brige on non x86 targets, we always defined them */
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#if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H)
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void cpu_outb(CPUState *env, int addr, int val);
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void cpu_outw(CPUState *env, int addr, int val);
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void cpu_outl(CPUState *env, int addr, int val);
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int cpu_inb(CPUState *env, int addr);
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int cpu_inw(CPUState *env, int addr);
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int cpu_inl(CPUState *env, int addr);
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#endif
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#endif /* IOPORT_H */
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