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/*
* xen/arch/arm/io.h
*
* ARM I/O handlers
*
* Copyright (c) 2011 Citrix Systems.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*/
#include <xen/config.h>
#include <xen/lib.h>
#include <asm/current.h>
#include "io.h"
static const struct mmio_handler *const mmio_handlers[] =
{
&vgic_distr_mmio_handler,
&vuart_mmio_handler,
};
#define MMIO_HANDLER_NR ARRAY_SIZE(mmio_handlers)
int handle_mmio(mmio_info_t *info)
{
struct vcpu *v = current;
int i;
for ( i = 0; i < MMIO_HANDLER_NR; i++ )
if ( mmio_handlers[i]->check_handler(v, info->gpa) )
return info->dabt.write ?
mmio_handlers[i]->write_handler(v, info) :
mmio_handlers[i]->read_handler(v, info);
return 0;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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