93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/*
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* \brief Platform interface
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* \author Norman Feske
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* \author Alexander Boettcher
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* \date 2009-10-02
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*/
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/*
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* Copyright (C) 2009-2013 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__PLATFORM_H_
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#define _CORE__INCLUDE__PLATFORM_H_
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/* core includes */
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#include <platform_generic.h>
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#include <core_mem_alloc.h>
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#include <base/printf.h>
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namespace Genode {
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class Platform : public Platform_generic
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{
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private:
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typedef Core_mem_allocator::Phys_allocator Phys_allocator;
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Core_mem_allocator _core_mem_alloc; /* core-accessible memory */
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Phys_allocator _io_mem_alloc; /* MMIO allocator */
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Phys_allocator _io_port_alloc; /* I/O port allocator */
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Phys_allocator _irq_alloc; /* IRQ allocator */
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Rom_fs _rom_fs; /* ROM file system */
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int _gsi_base_sel; /* cap selector of 1st IRQ */
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/**
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* Virtual address range usable by non-core processes
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*/
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const addr_t _vm_base;
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size_t _vm_size;
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/* available CPUs */
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Affinity::Space _cpus;
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addr_t _map_page(addr_t const phys_page, addr_t const pages,
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bool const extra_page);
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void _unmap_page(addr_t const phys, addr_t const virt,
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addr_t const pages);
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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 *ram_alloc() { return _core_mem_alloc.phys_alloc(); }
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Range_allocator *io_mem_alloc() { return &_io_mem_alloc; }
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Range_allocator *io_port_alloc() { return &_io_port_alloc; }
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Range_allocator *irq_alloc() { return &_irq_alloc; }
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Range_allocator *region_alloc() { return _core_mem_alloc.virt_alloc(); }
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Allocator *core_mem_alloc() { return &_core_mem_alloc; }
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addr_t vm_start() const { return _vm_base; }
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size_t vm_size() const { return _vm_size; }
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Rom_fs *rom_fs() { return &_rom_fs; }
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void wait_for_exit();
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bool supports_unmap() { return true; }
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Affinity::Space affinity_space() const { return _cpus; }
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/*******************
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** NOVA specific **
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*******************/
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/**
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* Return capability selector of first global system interrupt
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*/
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int gsi_base_sel() const { return _gsi_base_sel; }
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};
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}
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#endif /* _CORE__INCLUDE__PLATFORM_H_ */
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