63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
/*
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* \brief PCI device component implementation
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* \author Alexander Boettcher
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*/
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/*
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* Copyright (C) 2015 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include "pci_session_component.h"
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#include "pci_device_component.h"
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Genode::Io_port_session_capability Pci::Device_component::io_port(Genode::uint8_t v_id)
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{
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Genode::uint8_t max = sizeof(_io_port_conn) / sizeof(_io_port_conn[0]);
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Genode::uint8_t i = 0, r_id = 0;
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for (Resource res = resource(0); i < max; i++, res = resource(i))
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{
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if (res.type() != Resource::IO)
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continue;
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if (v_id != r_id) {
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r_id ++;
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continue;
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}
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if (_io_port_conn[v_id] == nullptr)
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_io_port_conn[v_id] = new (_slab_ioport) Genode::Io_port_connection(res.base(), res.size());
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return _io_port_conn[v_id]->cap();
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}
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return Genode::Io_port_session_capability();
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}
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Genode::Io_mem_session_capability Pci::Device_component::io_mem(Genode::uint8_t v_id)
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{
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Genode::uint8_t max = sizeof(_io_mem_conn) / sizeof(_io_mem_conn[0]);
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Genode::uint8_t i = 0, r_id = 0;
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for (Resource res = resource(0); i < max; i++, res = resource(i))
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{
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if (res.type() != Resource::MEMORY)
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continue;
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if (v_id != r_id) {
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r_id ++;
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continue;
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}
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if (_io_mem_conn[v_id] == nullptr)
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_io_mem_conn[v_id] = new (_slab_iomem) Genode::Io_mem_connection(res.base(), res.size());
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return _io_mem_conn[v_id]->cap();
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}
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return Genode::Io_mem_session_capability();
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}
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