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| // SPDX-License-Identifier: GPL-2.0
| // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
|
| #include <linux/syscalls.h>
|
| SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
| {
| struct thread_info *ti = task_thread_info(current);
| struct pt_regs *reg = current_pt_regs();
|
| reg->tls = addr;
| ti->tp_value = addr;
|
| return 0;
| }
|
| SYSCALL_DEFINE6(mmap2,
| unsigned long, addr,
| unsigned long, len,
| unsigned long, prot,
| unsigned long, flags,
| unsigned long, fd,
| off_t, offset)
| {
| if (unlikely(offset & (~PAGE_MASK >> 12)))
| return -EINVAL;
|
| return ksys_mmap_pgoff(addr, len, prot, flags, fd,
| offset >> (PAGE_SHIFT - 12));
| }
|
| /*
| * for abiv1 the 64bits args should be even th, So we need mov the advice
| * forward.
| */
| SYSCALL_DEFINE4(csky_fadvise64_64,
| int, fd,
| int, advice,
| loff_t, offset,
| loff_t, len)
| {
| return ksys_fadvise64_64(fd, offset, len, advice);
| }
|
|
