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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,
unsigned long, 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);
}
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