101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
/*
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* \brief Linux platform
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* \author Christian Helmuth
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* \author Norman Feske
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* \date 2007-09-10
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*/
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/*
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* Copyright (C) 2007-2013 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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#ifndef _CORE__INCLUDE__LINUX__PLATFORM_H_
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#define _CORE__INCLUDE__LINUX__PLATFORM_H_
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#include <base/sync_allocator.h>
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#include <base/allocator_avl.h>
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#include <base/lock_guard.h>
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#include <platform_generic.h>
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#include <platform_pd.h>
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#include <platform_thread.h>
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namespace Genode {
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using namespace Genode;
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class Platform : public Platform_generic
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{
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private:
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/**
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* Allocator for core-internal meta data
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*/
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Synchronized_range_allocator<Allocator_avl> _core_mem_alloc;
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/**
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* Allocator for pseudo physical memory
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*/
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struct Pseudo_ram_allocator : Range_allocator
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{
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bool alloc(size_t size, void **out_addr)
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{
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*out_addr = 0;
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return true;
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}
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Alloc_return alloc_aligned(size_t, void **out_addr, int,
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addr_t, addr_t)
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{
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*out_addr = 0;
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return Alloc_return::OK;
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}
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Alloc_return alloc_addr(size_t, addr_t)
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{
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return Alloc_return::OK;;
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}
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int add_range(addr_t, size_t) override { return 0; }
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int remove_range(addr_t, size_t) override { return 0; }
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void free(void *) override { }
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void free(void *, size_t) override { }
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size_t avail() const override { return ~0; }
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bool valid_addr(addr_t) const override { return true; }
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size_t overhead(size_t) const override { return 0; }
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bool need_size_for_free() const override { return true; }
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};
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Pseudo_ram_allocator _ram_alloc;
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public:
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/**
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* Constructor
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*/
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Platform();
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/********************************
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** Generic platform interface **
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********************************/
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Range_allocator *core_mem_alloc() { return &_core_mem_alloc; }
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Range_allocator *ram_alloc() { return &_ram_alloc; }
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Range_allocator *io_mem_alloc() { return 0; }
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Range_allocator *io_port_alloc() { return 0; }
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Range_allocator *irq_alloc() { return 0; }
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Range_allocator *region_alloc() { return 0; }
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addr_t vm_start() const { return 0; }
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size_t vm_size() const { return 0; }
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Rom_fs *rom_fs() { return 0; }
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void wait_for_exit();
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};
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}
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#endif /* _CORE__INCLUDE__PLATFORM_H_ */
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