56 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * AArch64-specific system calls implementation
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|  *
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|  * Copyright (C) 2012 ARM Ltd.
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|  * Author: Catalin Marinas <catalin.marinas@arm.com>
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License version 2 as
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|  * published by the Free Software Foundation.
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|  *
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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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|  *
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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, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include <linux/compiler.h>
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| #include <linux/errno.h>
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| #include <linux/fs.h>
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| #include <linux/mm.h>
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| #include <linux/export.h>
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| #include <linux/sched.h>
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| #include <linux/slab.h>
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| #include <linux/syscalls.h>
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| 
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| asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
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| 			 unsigned long prot, unsigned long flags,
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| 			 unsigned long fd, off_t off)
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| {
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| 	if (offset_in_page(off) != 0)
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| 		return -EINVAL;
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| 
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| 	return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
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| }
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| 
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| /*
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|  * Wrappers to pass the pt_regs argument.
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|  */
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| #define sys_rt_sigreturn	sys_rt_sigreturn_wrapper
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| 
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| #include <asm/syscalls.h>
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| 
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| #undef __SYSCALL
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| #define __SYSCALL(nr, sym)	[nr] = sym,
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| 
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| /*
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|  * The sys_call_table array must be 4K aligned to be accessible from
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|  * kernel/entry.S.
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|  */
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| void *sys_call_table[__NR_syscalls] __aligned(4096) = {
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| 	[0 ... __NR_syscalls - 1] = sys_ni_syscall,
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| #include <asm/unistd.h>
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| };
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