f99fab544a
Enable a platform to specify how the MMIO memory allocator is to be initialized. On ARM the existing behavior is kept while on x86 the I/O memory is defined as the entire address space excluding the core only RAM regions. This aligns the hw_x86_64 I/O memory allocator initialization with how it is done for other x86 kernels such as NOVA or Fiasco.
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
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* \brief Parts of platform that are specific to Arndale
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* \author Martin Stein
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* \date 2012-04-27
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*/
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/*
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* Copyright (C) 2012 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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/* core includes */
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#include <board.h>
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#include <platform.h>
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#include <pic.h>
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#include <cpu.h>
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#include <timer.h>
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using namespace Genode;
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Native_region * Platform::_ram_regions(unsigned const i)
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{
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static Native_region _regions[] =
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{
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{ Board::RAM_0_BASE, Board::RAM_0_SIZE },
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};
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return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
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}
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Native_region * mmio_regions(unsigned const i)
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{
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static Native_region _regions[] =
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{
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{ Board::MMIO_0_BASE, Board::MMIO_0_SIZE },
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};
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return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
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}
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Native_region * Platform::_core_only_mmio_regions(unsigned const i)
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{
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static Native_region _regions[] =
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{
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{ Board::IRQ_CONTROLLER_BASE, Board::IRQ_CONTROLLER_SIZE },
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{ Board::MCT_MMIO_BASE, Board::MCT_MMIO_SIZE },
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{ Board::UART_2_MMIO_BASE, 0x1000 },
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};
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return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
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}
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