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| 2 | |
| 3 |
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| 4 | #include <linux/syscalls.h>
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| 5 |
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| 6 | SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
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| 7 | {
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| 8 | struct thread_info *ti = task_thread_info(current);
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| 9 | struct pt_regs *reg = current_pt_regs();
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| 10 |
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| 11 | reg->tls = addr;
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| 12 | ti->tp_value = addr;
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| 13 |
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| 14 | return 0;
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| 15 | }
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| 16 |
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| 17 | SYSCALL_DEFINE6(mmap2,
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| 18 | unsigned long, addr,
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| 19 | unsigned long, len,
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| 20 | unsigned long, prot,
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| 21 | unsigned long, flags,
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| 22 | unsigned long, fd,
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| 23 | unsigned long, offset)
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| 24 | {
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| 25 | if (unlikely(offset & (~PAGE_MASK >> 12)))
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| 26 | return -EINVAL;
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| 27 |
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| 28 | return ksys_mmap_pgoff(addr, len, prot, flags, fd,
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| 29 | offset >> (PAGE_SHIFT - 12));
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| 30 | }
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| 31 |
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| 32 | |
| 33 | * for abiv1 the 64bits args should be even th, So we need mov the advice
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| 34 | * forward.
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| 35 |
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| 36 | SYSCALL_DEFINE4(csky_fadvise64_64,
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| 37 | int, fd,
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| 38 | int, advice,
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| 39 | loff_t, offset,
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| 40 | loff_t, len)
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| 41 | {
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| 42 | return ksys_fadvise64_64(fd, offset, len, advice);
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| 43 | }
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