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skrzyp |
//=============================================================================
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//
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// synth_syscalls.c
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//
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// Synthetic target access to more complex system calls
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//
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//=============================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 2004 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): Andrew Lunn
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// Contributors:Alexander Neundorf
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// Date: 2004-12-15
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// Purpose: Access to more complex system calls which require marshalling.
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// Description:
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <cyg/infra/cyg_type.h>
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#include <cyg/hal/hal_diag.h>
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#include <cyg/hal/hal_io.h>
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void * cyg_hal_sys_shmat(int shmid, const void* shmaddr, int shmflg)
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{
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void * result;
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void * raddr;
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result = (void *) cyg_hal_sys_ipc(CYG_HAL_SYS_IPCOP_shmat,
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shmid,
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shmflg,
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(int) (&raddr),
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(void*)shmaddr);
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return raddr;
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}
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int cyg_hal_sys_shmget(int key, int size, int shmflg)
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{
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return cyg_hal_sys_ipc(CYG_HAL_SYS_IPCOP_shmget, key, size, shmflg, NULL);
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}
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int cyg_hal_sys_shmdt(const void* shmaddr)
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{
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return cyg_hal_sys_ipc(CYG_HAL_SYS_IPCOP_shmdt, 0, 0, 0,
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((void *) shmaddr));
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}
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int
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cyg_hal_sys_mmap(void *addr, unsigned long length, unsigned long prot,
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unsigned long flags, unsigned long fd, unsigned long off)
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{
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struct cyg_hal_sys_mmap_args args;
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args.addr = (unsigned long) addr;
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args.len = length;
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args.prot = prot = prot;
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args.flags = flags;
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args.fd = fd;
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args.offset = off;
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return (cyg_hal_sys_mmapx(&args));
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}
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int cyg_hal_sys_ftok(const char* path, int id)
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{
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struct cyg_hal_sys_old_stat st;
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if (cyg_hal_sys_oldstat(path, &st) != 0)
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return (cyg_uint32)-1;
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return (cyg_uint32) (id << 24 |
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(st.st_dev & 0xff) << 16 |
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(st.st_ino & 0xffff));
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}
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