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