Annotation of qemu/ioport.h, revision 1.1.1.6

1.1       root        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"
1.1.1.3   root       28: #include "iorange.h"
1.1       root       29: 
                     30: typedef uint32_t pio_addr_t;
                     31: #define FMT_pioaddr     PRIx32
                     32: 
                     33: #define MAX_IOPORTS     (64 * 1024)
                     34: #define IOPORTS_MASK    (MAX_IOPORTS - 1)
                     35: 
                     36: /* These should really be in isa.h, but are here to make pc.h happy.  */
                     37: typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
                     38: typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
1.1.1.6 ! root       39: typedef void (IOPortDestructor)(void *opaque);
1.1       root       40: 
1.1.1.3   root       41: void ioport_register(IORange *iorange);
1.1       root       42: int register_ioport_read(pio_addr_t start, int length, int size,
                     43:                          IOPortReadFunc *func, void *opaque);
                     44: int register_ioport_write(pio_addr_t start, int length, int size,
                     45:                           IOPortWriteFunc *func, void *opaque);
                     46: void isa_unassign_ioport(pio_addr_t start, int length);
1.1.1.4   root       47: bool isa_is_ioport_assigned(pio_addr_t start);
1.1       root       48: 
1.1.1.2   root       49: void cpu_outb(pio_addr_t addr, uint8_t val);
                     50: void cpu_outw(pio_addr_t addr, uint16_t val);
                     51: void cpu_outl(pio_addr_t addr, uint32_t val);
                     52: uint8_t cpu_inb(pio_addr_t addr);
                     53: uint16_t cpu_inw(pio_addr_t addr);
                     54: uint32_t cpu_inl(pio_addr_t addr);
1.1       root       55: 
1.1.1.5   root       56: struct MemoryRegion;
                     57: struct MemoryRegionPortio;
                     58: 
                     59: typedef struct PortioList {
                     60:     const struct MemoryRegionPortio *ports;
                     61:     struct MemoryRegion *address_space;
                     62:     unsigned nr;
                     63:     struct MemoryRegion **regions;
1.1.1.6 ! root       64:     struct MemoryRegion **aliases;
1.1.1.5   root       65:     void *opaque;
                     66:     const char *name;
                     67: } PortioList;
                     68: 
                     69: void portio_list_init(PortioList *piolist,
                     70:                       const struct MemoryRegionPortio *callbacks,
                     71:                       void *opaque, const char *name);
                     72: void portio_list_destroy(PortioList *piolist);
                     73: void portio_list_add(PortioList *piolist,
                     74:                      struct MemoryRegion *address_space,
                     75:                      uint32_t addr);
                     76: void portio_list_del(PortioList *piolist);
                     77: 
1.1       root       78: #endif /* IOPORT_H */

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