70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
/*
|
|
* \brief Platform implementations specific for x86
|
|
* \author Norman Feske
|
|
* \author Reto Buerki
|
|
* \date 2013-04-05
|
|
*
|
|
* XXX dimension allocators according to the available physical memory
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2013-2015 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
/* core includes */
|
|
#include <platform.h>
|
|
#include <board.h>
|
|
#include <cpu.h>
|
|
|
|
using namespace Genode;
|
|
|
|
Native_region * Platform::_ram_regions(unsigned const i)
|
|
{
|
|
static Native_region _regions[] =
|
|
{
|
|
{ 2*1024*1024, 1024*1024*254 }
|
|
};
|
|
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
|
|
}
|
|
|
|
|
|
Native_region * Platform::_mmio_regions(unsigned const i)
|
|
{
|
|
static Native_region _regions[] =
|
|
{
|
|
{ 0x00000000, 0x0001000 },
|
|
{ 0x000a0000, 0x0060000 },
|
|
{ 0xc0000000, 0x1000000 },
|
|
{ 0xfc000000, 0x1000000 },
|
|
};
|
|
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
|
|
}
|
|
|
|
|
|
Native_region * Platform::_core_only_mmio_regions(unsigned const i)
|
|
{
|
|
static Native_region _regions[] =
|
|
{
|
|
{ Board::MMIO_LAPIC_BASE, Board::MMIO_LAPIC_SIZE },
|
|
{ Board::MMIO_IOAPIC_BASE, Board::MMIO_IOAPIC_SIZE },
|
|
};
|
|
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
|
|
}
|
|
|
|
|
|
void Platform::_init_io_port_alloc()
|
|
{
|
|
_io_port_alloc.add_range(0, 0x10000);
|
|
}
|
|
|
|
|
|
long Platform::irq(long const user_irq)
|
|
{
|
|
/* remap IRQ requests to fit I/O APIC configuration */
|
|
if (user_irq) return user_irq + Board::VECTOR_REMAP_BASE;
|
|
return Board::TIMER_VECTOR_USER;
|
|
}
|