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