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001 /* Copyright (C) 2005 David Decotigny 001 /* Copyright (C) 2005 David Decotigny 002 002 003 This program is free software; you can redi 003 This program is free software; you can redistribute it and/or 004 modify it under the terms of the GNU Genera 004 modify it under the terms of the GNU General Public License 005 as published by the Free Software Foundatio 005 as published by the Free Software Foundation; either version 2 006 of the License, or (at your option) any lat 006 of the License, or (at your option) any later version. 007 007 008 This program is distributed in the hope tha 008 This program is distributed in the hope that it will be useful, 009 but WITHOUT ANY WARRANTY; without even the 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 GNU General Public License for more details 011 GNU General Public License for more details. 012 012 013 You should have received a copy of the GNU 013 You should have received a copy of the GNU General Public License 014 along with this program; if not, write to t 014 along with this program; if not, write to the Free Software 015 Foundation, Inc., 59 Temple Place - Suite 3 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 USA. 016 USA. 017 */ 017 */ 018 #ifndef _SOS_DEV_ZERO_H_ 018 #ifndef _SOS_DEV_ZERO_H_ 019 #define _SOS_DEV_ZERO_H_ 019 #define _SOS_DEV_ZERO_H_ 020 020 >> 021 021 /** 022 /** 022 * "Driver" to map /dev/zero in user space 023 * "Driver" to map /dev/zero in user space 023 */ 024 */ 024 025 025 026 026 #include <sos/umem_vmm.h> 027 #include <sos/umem_vmm.h> 027 028 028 029 029 /** !! 030 sos_ret_t sos_dev_zero_subsystem_setup(); 030 * Register the /dev/zero and /dev/null device << 031 */ << 032 sos_ret_t sos_dev_zero_subsystem_setup(void); << 033 031 034 032 035 /** 033 /** 036 * Map /dev/zero into user space 034 * Map /dev/zero into user space 037 * @note usage RESTRICTED to the kernel for st << 038 * syscall << 039 */ 035 */ 040 sos_ret_t sos_dev_zero_map(struct sos_umem_vmm 036 sos_ret_t sos_dev_zero_map(struct sos_umem_vmm_as * dest_as, 041 sos_uaddr_t *uaddr, 037 sos_uaddr_t *uaddr, 042 sos_size_t size, 038 sos_size_t size, 043 sos_ui32_t access_r 039 sos_ui32_t access_rights, 044 sos_ui32_t flags); 040 sos_ui32_t flags); 045 041 046 #endif /* _SOS_EXEC_ELF32_H_ */ 042 #endif /* _SOS_EXEC_ELF32_H_ */
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