genode/ports-okl4/include/oklx_lib/iguana/eas.h
2012-01-03 15:35:05 +01:00

67 lines
2.1 KiB
C

/*
* \brief Iguana API functions needed by OKLinux
* \author Norman Feske
* \date 2009-04-12
*
* This file contains function definitions to create/destroy address spaces,
* threads within other address spaces and to populate the address spaces
* with pages.
*/
/*
* Copyright (C) 2009-2012 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.
*/
#ifndef _INCLUDE__OKLINUX_SUPPORT__IGUANA__EAS_H_
#define _INCLUDE__OKLINUX_SUPPORT__IGUANA__EAS_H_
#include <iguana/types.h>
typedef uintptr_t eas_ref_t; /* Address space id corresponds to OKL4 space id*/
/**
* Create a thread within another address space
*
* \param eas identifier of the target address space
* \param pager thread id of the new thread's pager
* \param scheduler thread id of the new thread's scheduler
* \param utcb address of utcb of the new thread
* \param handle_rv resulting pointer to the id of the new thread
* \return id of the new thread
*/
L4_ThreadId_t eas_create_thread(eas_ref_t eas, L4_ThreadId_t pager,
L4_ThreadId_t scheduler, void *utcb,
L4_ThreadId_t *handle_rv);
/**
* Create a new address space
*
* \param utcb defines utcb region of the address space
* \param l4_id resulting pointer to the id of the new address space
* \return id of the new address space
*/
eas_ref_t eas_create(L4_Fpage_t utcb, L4_SpaceId_t *l4_id);
/**
* Deletes an address space
*
* \param eas identifier of the target address space
*/
void eas_delete(eas_ref_t eas);
/**
* Map a page area to an address space
*
* \param eas identifier of the target address space
* \param src_fpage flexpage describing the area to be mapped
* \param dst_addr destination address where the area will be mapped to
* \param attributes describes the caching policy (OKL4 manual)
*/
int eas_map(eas_ref_t eas, L4_Fpage_t src_fpage,
uintptr_t dst_addr, uintptr_t attributes);
#endif //_INCLUDE__OKLINUX_SUPPORT__IGUANA__EAS_H_