47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* Copyright (C) 2005 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#ifndef _SOS_DEV_ZERO_H_
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#define _SOS_DEV_ZERO_H_
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/**
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* "Driver" to map /dev/zero in user space
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*/
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#include <sos/umem_vmm.h>
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/**
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* Register the /dev/zero and /dev/null devices
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*/
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sos_ret_t sos_dev_zero_subsystem_setup(void);
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/**
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* Map /dev/zero into user space
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* @note usage RESTRICTED to the kernel for start_init and the exec
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* syscall
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*/
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sos_ret_t sos_dev_zero_map(struct sos_umem_vmm_as * dest_as,
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sos_uaddr_t *uaddr,
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sos_size_t size,
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sos_ui32_t access_rights,
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sos_ui32_t flags);
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#endif /* _SOS_EXEC_ELF32_H_ */
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