83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
/*
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* \brief L4Re functions needed by L4Linux.
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* \author Stefan Kalkowski
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* \date 2011-04-17
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*/
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/*
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* Copyright (C) 2011-2013 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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/* Genode includes */
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#include <base/printf.h>
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#include <rom_session/connection.h>
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#include <dataspace/client.h>
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#include <env.h>
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namespace Fiasco {
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#include <l4/re/env.h>
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#include <l4/sys/kdebug.h>
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}
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using namespace Fiasco;
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static const bool DEBUG = false;
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static l4re_env_t __l4re_env;
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extern void* l4lx_kinfo;
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extern "C" {
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l4re_env_cap_entry_t const * l4re_env_get_cap_l(char const *name,
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unsigned l,
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l4re_env_t const *e)
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{
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using namespace L4lx;
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if (DEBUG)
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PDBG("name=%s l=%x", name, l);
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try {
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Genode::Rom_connection rom(name);
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Genode::size_t size = Genode::Dataspace_client(rom.dataspace()).size();
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Genode::Dataspace_capability cap = Genode::env()->ram_session()->alloc(size);
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void *dst = Genode::env()->rm_session()->attach(cap);
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void *src = Genode::env()->rm_session()->attach(rom.dataspace());
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Genode::memcpy(dst, src, size);
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Genode::env()->rm_session()->detach(src);
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Genode::env()->rm_session()->detach(dst);
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l4re_env_cap_entry_t *entry = new (Genode::env()->heap())
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l4re_env_cap_entry_t();
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Dataspace *ds = new (Genode::env()->heap())
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Single_dataspace("initrd", size, cap);
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Env::env()->dataspaces()->insert(ds);
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entry->cap = ds->ref();
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return entry;
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} catch(Genode::Rom_connection::Rom_connection_failed) {
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PWRN("File %s is missing", name);
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}
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return 0;
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}
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l4_kernel_info_t *l4re_kip(void)
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{
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return (l4_kernel_info_t*) l4lx_kinfo;
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}
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l4re_env_t *l4re_env(void)
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{
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return &__l4re_env;
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}
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}
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