hw: GICv3 implementation

* modern GICv3 implementation
* distributor
* redistributor
* MMIO cpu interface

Ref #3426

repos/base-hw/src/core/spec/arm/gicv3.cc

@@ -0,0 +1,29 @@
+/*
+ * \brief  Generic Interrupt Controller version 3
+ * \author Sebastian Sumpf
+ * \date   2019-06-27
+ */
+
+/*
+ * Copyright (C) 2019 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU Affero General Public License version 3.
+ */
+
+/* core includes */
+#include <board.h>
+#include <platform.h>
+
+using namespace Genode;
+
+Hw::Pic::Pic()
+: _distr(Platform::mmio_to_virt(Board::Cpu_mmio::IRQ_CONTROLLER_DISTR_BASE)),
+  _redistr(Platform::mmio_to_virt(Board::Cpu_mmio::IRQ_CONTROLLER_REDIST_BASE)),
+  _redistr_sgi(Platform::mmio_to_virt(Board::Cpu_mmio::IRQ_CONTROLLER_REDIST_BASE)
+               + Board::Cpu_mmio::IRQ_CONTROLLER_REDIST_SIZE / 2),
+  _max_irq(_distr.max_irq())
+{
+	_redistributor_init();
+	_cpui.init();
+}