| 1 | /*
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| 2 | * defines ioport related functions
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| 3 | *
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| 4 | * Copyright (c) 2003 Fabrice Bellard
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU Lesser General Public
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| 8 | * License as published by the Free Software Foundation; either
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| 9 | * version 2 of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This library is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | * Lesser General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU Lesser General Public
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| 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | /**************************************************************************
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| 21 | * IO ports API
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| 22 | */
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| 23 |
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| 24 | #ifndef IOPORT_H
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| 25 | #define IOPORT_H
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| 26 |
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| 27 | #include "qemu-common.h"
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| 28 |
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| 29 | typedef uint32_t pio_addr_t;
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| 30 | #define FMT_pioaddr PRIx32
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| 31 |
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| 32 | #define MAX_IOPORTS (64 * 1024)
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| 33 | #define IOPORTS_MASK (MAX_IOPORTS - 1)
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| 34 |
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| 35 | /* These should really be in isa.h, but are here to make pc.h happy. */
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| 36 | typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
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| 37 | typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
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| 38 |
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| 39 | int register_ioport_read(pio_addr_t start, int length, int size,
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| 40 | IOPortReadFunc *func, void *opaque);
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| 41 | int register_ioport_write(pio_addr_t start, int length, int size,
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| 42 | IOPortWriteFunc *func, void *opaque);
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| 43 | void isa_unassign_ioport(pio_addr_t start, int length);
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| 44 |
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| 45 |
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| 46 | /* NOTE: as these functions may be even used when there is an isa
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| 47 | brige on non x86 targets, we always defined them */
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| 48 | #if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H)
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| 49 | void cpu_outb(CPUState *env, pio_addr_t addr, uint8_t val);
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| 50 | void cpu_outw(CPUState *env, pio_addr_t addr, uint16_t val);
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| 51 | void cpu_outl(CPUState *env, pio_addr_t addr, uint32_t val);
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| 52 | uint8_t cpu_inb(CPUState *env, pio_addr_t addr);
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| 53 | uint16_t cpu_inw(CPUState *env, pio_addr_t addr);
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| 54 | uint32_t cpu_inl(CPUState *env, pio_addr_t addr);
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| 55 | #endif
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| 56 |
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| 57 | #endif /* IOPORT_H */
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