/* * 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 #include #include #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: */