82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/*
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* \brief Platform_device implementation for ARM
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* \author Sebastian Sumpf
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* \date 2016-04-25
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*
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* Note: Throw away when there exists a plaform device implementation for ARM
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* in generic code
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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#ifndef _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_
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#define _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_
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#include <lx_emul/extern_c_begin.h>
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#include <lx_emul/printf.h>
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#include <lx_emul/extern_c_end.h>
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#include <lx_kit/malloc.h>
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#include <platform_device/device.h>
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#include <irq_session/connection.h>
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#include <util/list.h>
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#include <util/reconstructible.h>
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namespace Platform { struct Device; }
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struct Platform::Device : Platform::Abstract_device, Genode::List<Device>::Element
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{
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Genode::Env &env;
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unsigned irq_num;
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Genode::Constructible<Genode::Irq_connection> irq_connection;
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Device(Genode::Env &env, unsigned irq) : env(env), irq_num(irq) { }
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unsigned vendor_id() { return ~0U; }
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unsigned device_id() { return ~0U; }
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Genode::Irq_session_capability irq(Genode::uint8_t) override
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{
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irq_connection.construct(env, irq_num);
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return irq_connection->cap();
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}
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Genode::Io_mem_session_capability io_mem(Genode::uint8_t,
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Genode::Cache_attribute,
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Genode::addr_t, Genode::size_t) override
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{
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lx_printf("%s: not implemented\n", __PRETTY_FUNCTION__);
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return Genode::Io_mem_session_capability();
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}
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static Genode::List<Device> &list()
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{
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static Genode::List<Device> l;
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return l;
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}
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static Device &create(Genode::Env &env, unsigned irq_num)
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{
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Device *d;
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for (d = list().first(); d; d = d->next())
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if (d->irq_num == irq_num)
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return *d;
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d = new (Lx::Malloc::mem()) Device(env, irq_num);
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list().insert(d);
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return *d;
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}
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};
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#endif /* _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_ */
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