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Diffstat (limited to 'include/exec/ioport.h')
-rw-r--r-- | include/exec/ioport.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/exec/ioport.h b/include/exec/ioport.h new file mode 100644 index 0000000000..fc28350a3c --- /dev/null +++ b/include/exec/ioport.h @@ -0,0 +1,78 @@ +/* + * 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 "exec/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 */ |