97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
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/*
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* \brief Platform interface implementation
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* \author Norman Feske
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* \date 2015-05-01
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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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/* Genode includes */
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#include <base/printf.h>
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#include <base/sleep.h>
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#include <base/thread.h>
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/* core includes */
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#include <core_parent.h>
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#include <platform.h>
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#include <map_local.h>
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using namespace Genode;
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static bool const verbose_boot_info = true;
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/*
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* Memory-layout information provided by the linker script
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*/
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/* virtual address range consumed by core's program image */
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extern unsigned _prog_img_beg, _prog_img_end;
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/****************************************
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** Support for core memory management **
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****************************************/
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bool Core_mem_allocator::Mapped_mem_allocator::_map_local(addr_t virt_addr,
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addr_t phys_addr,
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unsigned size)
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{
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return map_local(phys_addr, virt_addr, size / get_page_size());
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}
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bool Core_mem_allocator::Mapped_mem_allocator::_unmap_local(addr_t virt_addr,
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unsigned size)
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{
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return unmap_local(virt_addr, size / get_page_size());
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}
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/************************
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** Platform interface **
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************************/
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Platform::Platform() :
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_io_mem_alloc(core_mem_alloc()), _io_port_alloc(core_mem_alloc()),
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_irq_alloc(core_mem_alloc()), _vm_base(0), _vm_size(0)
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{
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/* initialize core allocators */
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/* remove core image from core's virtual address allocator */
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/* preserve context area in core's virtual address space */
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/* remove used core memory from physical memory allocator */
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/* add boot modules to ROM fs */
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/* initialize interrupt allocator */
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_irq_alloc.add_range(0, 255);
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/*
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* Print statistics about allocator initialization
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*/
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printf("VM area at [%08lx,%08lx)\n", _vm_base, _vm_base + _vm_size);
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if (verbose_boot_info) {
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printf(":phys_alloc: "); _core_mem_alloc.phys_alloc()->raw()->dump_addr_tree();
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printf(":virt_alloc: "); _core_mem_alloc.virt_alloc()->raw()->dump_addr_tree();
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printf(":io_mem_alloc: "); _io_mem_alloc.raw()->dump_addr_tree();
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}
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}
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void Platform::wait_for_exit()
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{
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sleep_forever();
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}
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void Core_parent::exit(int exit_value) { }
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