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-rw-r--r--arch/hexagon/kernel/syscall.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/arch/hexagon/kernel/syscall.c b/arch/hexagon/kernel/syscall.c
deleted file mode 100644
index 319fa6494f58..000000000000
--- a/arch/hexagon/kernel/syscall.c
+++ /dev/null
@@ -1,89 +0,0 @@
1/*
2 * Hexagon system calls
3 *
4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 and
8 * only version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA.
19 */
20
21#include <linux/file.h>
22#include <linux/fs.h>
23#include <linux/linkage.h>
24#include <linux/mm.h>
25#include <linux/module.h>
26#include <linux/sched.h>
27#include <linux/slab.h>
28#include <linux/syscalls.h>
29#include <linux/unistd.h>
30#include <asm/mman.h>
31#include <asm/registers.h>
32
33/*
34 * System calls with architecture-specific wrappers.
35 * See signal.c for signal-related system call wrappers.
36 */
37
38asmlinkage int sys_execve(char __user *ufilename,
39 const char __user *const __user *argv,
40 const char __user *const __user *envp)
41{
42 struct pt_regs *pregs = current_thread_info()->regs;
43 struct filename *filename;
44 int retval;
45
46 filename = getname(ufilename);
47 retval = PTR_ERR(filename);
48 if (IS_ERR(filename))
49 return retval;
50
51 retval = do_execve(filename->name, argv, envp, pregs);
52 putname(filename);
53
54 return retval;
55}
56
57asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
58 unsigned long parent_tidp, unsigned long child_tidp)
59{
60 struct pt_regs *pregs = current_thread_info()->regs;
61
62 if (!newsp)
63 newsp = pregs->SP;
64 return do_fork(clone_flags, newsp, pregs, 0, (int __user *)parent_tidp,
65 (int __user *)child_tidp);
66}
67
68/*
69 * Do a system call from the kernel, so as to have a proper pt_regs
70 * and recycle the sys_execvpe infrustructure.
71 */
72int kernel_execve(const char *filename,
73 const char *const argv[], const char *const envp[])
74{
75 register unsigned long __a0 asm("r0") = (unsigned long) filename;
76 register unsigned long __a1 asm("r1") = (unsigned long) argv;
77 register unsigned long __a2 asm("r2") = (unsigned long) envp;
78 int retval;
79
80 __asm__ volatile(
81 " R6 = #%4;\n"
82 " trap0(#1);\n"
83 " %0 = R0;\n"
84 : "=r" (retval)
85 : "r" (__a0), "r" (__a1), "r" (__a2), "i" (__NR_execve)
86 );
87
88 return retval;
89}