diff options
Diffstat (limited to 'ioport.h')
| -rw-r--r-- | ioport.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/ioport.h b/ioport.h new file mode 100644 index 0000000000..309a402f86 --- /dev/null +++ b/ioport.h @@ -0,0 +1,54 @@ +/* + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA + */ + +/************************************************************************** + * IO ports API + */ + +#ifndef IOPORT_H +#define IOPORT_H + +#include "qemu-common.h" + +#define MAX_IOPORTS (64 * 1024) + +/* 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); + +int register_ioport_read(int start, int length, int size, + IOPortReadFunc *func, void *opaque); +int register_ioport_write(int start, int length, int size, + IOPortWriteFunc *func, void *opaque); +void isa_unassign_ioport(int start, int length); + + +/* NOTE: as these functions may be even used when there is an isa + brige on non x86 targets, we always defined them */ +#if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H) +void cpu_outb(CPUState *env, int addr, int val); +void cpu_outw(CPUState *env, int addr, int val); +void cpu_outl(CPUState *env, int addr, int val); +int cpu_inb(CPUState *env, int addr); +int cpu_inw(CPUState *env, int addr); +int cpu_inl(CPUState *env, int addr); +#endif + +#endif /* IOPORT_H */ |