/* * defines ioport related functions * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ /************************************************************************** * IO ports API */ #ifndef IOPORT_H #define IOPORT_H #include "qemu-common.h" #include "iorange.h" typedef uint32_t pio_addr_t; #define FMT_pioaddr PRIx32 #define MAX_IOPORTS (64 * 1024) #define IOPORTS_MASK (MAX_IOPORTS - 1) /* These should really be in isa.h, but are here to make pc.h happy. */ typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data); typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address); typedef void (IOPortDestructor)(void *opaque); void ioport_register(IORange *iorange); int register_ioport_read(pio_addr_t start, int length, int size, IOPortReadFunc *func, void *opaque); int register_ioport_write(pio_addr_t start, int length, int size, IOPortWriteFunc *func, void *opaque); void isa_unassign_ioport(pio_addr_t start, int length); bool isa_is_ioport_assigned(pio_addr_t start); void cpu_outb(pio_addr_t addr, uint8_t val); void cpu_outw(pio_addr_t addr, uint16_t val); void cpu_outl(pio_addr_t addr, uint32_t val); uint8_t cpu_inb(pio_addr_t addr); uint16_t cpu_inw(pio_addr_t addr); uint32_t cpu_inl(pio_addr_t addr); struct MemoryRegion; struct MemoryRegionPortio; typedef struct PortioList { const struct MemoryRegionPortio *ports; struct MemoryRegion *address_space; unsigned nr; struct MemoryRegion **regions; struct MemoryRegion **aliases; void *opaque; const char *name; } PortioList; void portio_list_init(PortioList *piolist, const struct MemoryRegionPortio *callbacks, void *opaque, const char *name); void portio_list_destroy(PortioList *piolist); void portio_list_add(PortioList *piolist, struct MemoryRegion *address_space, uint32_t addr); void portio_list_del(PortioList *piolist); #endif /* IOPORT_H */