88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
/*
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* \brief ARM specific implemenations used on all SOCs
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* \author Sebastian Sumpf
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* \date 2016-04-25
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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#include <base/attached_io_mem_dataspace.h>
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#include <base/env.h>
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#include <lx_emul.h>
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#include <lx_kit/backend_alloc.h>
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#include <lx_kit/env.h>
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#include <lx_kit/irq.h>
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/****************************
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** lx_kit/backend_alloc.h **
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****************************/
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void backend_alloc_init(Genode::Env&, Genode::Ram_session&,
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Genode::Allocator&)
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{
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/* intentionally left blank */
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}
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Genode::Ram_dataspace_capability
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Lx::backend_alloc(Genode::addr_t size, Genode::Cache_attribute cached) {
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return Lx_kit::env().env().ram().alloc(size, cached); }
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void Lx::backend_free(Genode::Ram_dataspace_capability cap) {
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return Lx_kit::env().env().ram().free(cap); }
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/***********************
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** linux/interrupt.h **
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***********************/
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extern "C" int request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
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const char *name, void *dev)
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{
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Lx::Irq::irq().request_irq(Platform::Device::create(Lx_kit::env().env(), irq), handler, dev);
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return 0;
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}
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int devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id)
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{
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Lx::Irq::irq().request_irq(Platform::Device::create(Lx_kit::env().env(), irq), handler, dev_id);
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return 0;
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}
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/**********************
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** asm-generic/io.h **
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**********************/
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void *_ioremap(phys_addr_t phys_addr, unsigned long size, int wc)
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{
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try {
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Genode::Attached_io_mem_dataspace *ds =
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new(Lx::Malloc::mem())
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Genode::Attached_io_mem_dataspace(Lx_kit::env().env(), phys_addr, size, !!wc);
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return ds->local_addr<void>();
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} catch (...) {
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panic("Failed to request I/O memory: [%lx,%lx)", phys_addr, phys_addr + size);
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return 0;
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}
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}
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void *ioremap(phys_addr_t offset, unsigned long size)
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{
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return _ioremap(offset, size, 0);
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}
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