Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Catalin Marinas |
91 |
44.61% |
2 |
16.67% |
| Mark Rutland |
53 |
25.98% |
5 |
41.67% |
| Suzuki K. Poulose |
37 |
18.14% |
1 |
8.33% |
| Sami Tolvanen |
19 |
9.31% |
1 |
8.33% |
| Thomas Gleixner |
2 |
0.98% |
1 |
8.33% |
| Dominik Brodowski |
1 |
0.49% |
1 |
8.33% |
| Boyang Zhou |
1 |
0.49% |
1 |
8.33% |
| Total |
204 |
|
12 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* AArch64-specific system calls implementation
*
* Copyright (C) 2012 ARM Ltd.
* Author: Catalin Marinas <catalin.marinas@arm.com>
*/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <asm/cpufeature.h>
#include <asm/syscall.h>
SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags,
unsigned long, fd, unsigned long, off)
{
if (offset_in_page(off) != 0)
return -EINVAL;
return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
}
SYSCALL_DEFINE1(arm64_personality, unsigned int, personality)
{
if (personality(personality) == PER_LINUX32 &&
!system_supports_32bit_el0())
return -EINVAL;
return ksys_personality(personality);
}
asmlinkage long sys_ni_syscall(void);
asmlinkage long __arm64_sys_ni_syscall(const struct pt_regs *__unused)
{
return sys_ni_syscall();
}
/*
* Wrappers to pass the pt_regs argument.
*/
#define __arm64_sys_personality __arm64_sys_arm64_personality
#undef __SYSCALL
#define __SYSCALL(nr, sym) asmlinkage long __arm64_##sym(const struct pt_regs *);
#include <asm/unistd.h>
#undef __SYSCALL
#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
const syscall_fn_t sys_call_table[__NR_syscalls] = {
[0 ... __NR_syscalls - 1] = __arm64_sys_ni_syscall,
#include <asm/unistd.h>
};