132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
/*
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* \brief OKL4 platform
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* \author Norman Feske
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* \date 2009-03-31
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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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/* Genode includes */
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#include <base/heap.h>
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/* core includes */
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#include <platform_generic.h>
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#include <platform_thread.h>
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#include <platform_pd.h>
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#include <core_region_map.h>
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#include <core_mem_alloc.h>
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/* OKL4 includes */
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namespace Okl4 { extern "C" {
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#include <bootinfo/bootinfo.h>
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} }
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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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using Rom_slab = Tslab<Rom_module, get_page_size()>;
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using Thread_slab = Tslab<Platform_thread, get_page_size()>;
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Platform_pd *_core_pd; /* core protection domain */
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Platform_thread *_core_pager; /* pager for core threads */
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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_slab _rom_slab; /* Slab for rom modules */
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Rom_fs _rom_fs; /* ROM file system */
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Thread_slab _thread_slab; /* Slab for platform threads */
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/*
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* Virtual-memory range for non-core address spaces.
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* The virtual memory layout of core is maintained in
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* '_core_mem_alloc.virt_alloc()'.
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*/
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addr_t _vm_start;
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size_t _vm_size;
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/*
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* Start of address range used for the UTCBs
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*/
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addr_t _utcb_base;
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void _setup_rom();
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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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* Accessor for core pd object
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*/
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Platform_pd *core_pd() { return _core_pd; }
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/**
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* Accessor for core pager thread object
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*/
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Platform_thread *core_pager() { return _core_pager; }
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/**
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* Accessor for platform thread object slab allocator
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*/
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Thread_slab *thread_slab() { return &_thread_slab; }
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/**********************************************
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** Callbacks used for parsing the boot info **
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**********************************************/
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static int bi_init_mem(Okl4::uintptr_t, Okl4::uintptr_t,
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Okl4::uintptr_t, Okl4::uintptr_t,
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const Okl4::bi_user_data_t *);
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static int bi_add_virt_mem(Okl4::bi_name_t,
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Okl4::uintptr_t, Okl4::uintptr_t,
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const Okl4::bi_user_data_t *);
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static int bi_add_phys_mem(Okl4::bi_name_t,
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Okl4::uintptr_t, Okl4::uintptr_t,
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const Okl4::bi_user_data_t *);
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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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Range_allocator *core_mem_alloc() { return &_core_mem_alloc; }
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addr_t vm_start() const { return _vm_start; }
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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_direct_unmap() const { return true; }
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/**************************************
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** OKL4-specific platform interface **
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**************************************/
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addr_t utcb_base() { return _utcb_base; }
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};
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}
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#endif /* _CORE__INCLUDE__PLATFORM_H_ */
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