src/recompiler/ioport.h

   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  * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
  22  * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
  23  * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
  24  * a choice of LGPL license versions is made available with the language indicating
  25  * that LGPLv2 or any later version may be used, or where a choice of which version
  26  * of the LGPL is applied is otherwise unspecified.
  27  */
  28
  29 /**************************************************************************
  30  * IO ports API
  31  */
  32
  33 #ifndef IOPORT_H
  34 #define IOPORT_H
  35
  36 #include "qemu-common.h"
  37
  38 typedef uint32_t pio_addr_t;
  39 #define FMT_pioaddr     PRIx32
  40
  41 #define MAX_IOPORTS     (64 * 1024)
  42 #define IOPORTS_MASK    (MAX_IOPORTS - 1)
  43
  44 /* These should really be in isa.h, but are here to make pc.h happy.  */
  45 typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
  46 typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
  47
  48 int register_ioport_read(pio_addr_t start, int length, int size,
  49                          IOPortReadFunc *func, void *opaque);
  50 int register_ioport_write(pio_addr_t start, int length, int size,
  51                           IOPortWriteFunc *func, void *opaque);
  52 void isa_unassign_ioport(pio_addr_t start, int length);
  53
  54
  55 #ifndef VBOX
  56 void cpu_outb(pio_addr_t addr, uint8_t val);
  57 void cpu_outw(pio_addr_t addr, uint16_t val);
  58 void cpu_outl(pio_addr_t addr, uint32_t val);
  59 uint8_t cpu_inb(pio_addr_t addr);
  60 uint16_t cpu_inw(pio_addr_t addr);
  61 uint32_t cpu_inl(pio_addr_t addr);
  62 #else
  63 void cpu_outb(CPUX86State *env, pio_addr_t addr, uint8_t val);
  64 void cpu_outw(CPUX86State *env, pio_addr_t addr, uint16_t val);
  65 void cpu_outl(CPUX86State *env, pio_addr_t addr, uint32_t val);
  66 uint8_t cpu_inb(CPUX86State *env, pio_addr_t addr);
  67 uint16_t cpu_inw(CPUX86State *env, pio_addr_t addr);
  68 uint32_t cpu_inl(CPUX86State *env, pio_addr_t addr);
  69 #endif
  70
  71 #endif /* IOPORT_H */