49 lines
1.3 KiB
C++
49 lines
1.3 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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#include <platform.h>
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/* entrypoint for non-boot CPUs */
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extern "C" void * _start_setup_stack;
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Platform::Board::Board()
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: early_ram_regions(Memory_region { RAM_0_BASE, RAM_0_SIZE }),
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core_mmio(Memory_region { IRQ_CONTROLLER_BASE, IRQ_CONTROLLER_SIZE },
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Memory_region { IRQ_CONTROLLER_VT_CTRL_BASE, IRQ_CONTROLLER_VT_CTRL_SIZE },
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Memory_region { MCT_MMIO_BASE, MCT_MMIO_SIZE },
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Memory_region { UART_2_MMIO_BASE, UART_2_MMIO_SIZE }) { }
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void Platform::enable_mmu()
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{
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using Genode::Cpu;
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static volatile bool primary_cpu = true;
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pic.init_cpu_local();
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cpu.init(*reinterpret_cast<Genode::Translation_table*>(core_pd->table_base));
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Cpu::Sctlr::init();
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Cpu::Psr::write(Cpu::Psr::init_kernel());
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cpu.invalidate_inner_data_cache();
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/* primary cpu wakes up all others */
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if (primary_cpu && NR_OF_CPUS > 1) {
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primary_cpu = false;
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board.wake_up_all_cpus(&_start_setup_stack);
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}
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cpu.enable_mmu_and_caches((Genode::addr_t)core_pd->table_base);
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}
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