| 1 | /* Copyright (C) 1998-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library. If not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <shlib-compat.h> |
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| 19 | |
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| 20 | #if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_30) |
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| 21 | # include <errno.h> |
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| 22 | |
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| 23 | int |
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| 24 | ioperm (unsigned long int from, unsigned long int num, int turn_on) |
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| 25 | { |
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| 26 | __set_errno (ENOSYS); |
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| 27 | return -1; |
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| 28 | } |
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| 29 | compat_symbol (libc, ioperm, ioperm, GLIBC_2_4); |
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| 30 | |
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| 31 | int |
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| 32 | iopl (unsigned int level) |
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| 33 | { |
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| 34 | __set_errno (ENOSYS); |
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| 35 | return -1; |
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| 36 | } |
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| 37 | compat_symbol (libc, iopl, iopl, GLIBC_2_4); |
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| 38 | |
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| 39 | |
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| 40 | /* The remaining functions do not have any way to indicate failure. |
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| 41 | However, it is only valid to call them after calling ioperm/iopl, |
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| 42 | which will have indicated failure. */ |
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| 43 | |
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| 44 | void |
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| 45 | outb (unsigned char b, unsigned long int port) |
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| 46 | { |
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| 47 | } |
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| 48 | compat_symbol (libc, outb, outb, GLIBC_2_4); |
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| 49 | |
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| 50 | void |
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| 51 | outw (unsigned short b, unsigned long int port) |
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| 52 | { |
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| 53 | } |
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| 54 | compat_symbol (libc, outw, outw, GLIBC_2_4); |
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| 55 | |
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| 56 | void |
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| 57 | outl (unsigned int b, unsigned long int port) |
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| 58 | { |
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| 59 | } |
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| 60 | compat_symbol (libc, outl, outl, GLIBC_2_4); |
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| 61 | |
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| 62 | unsigned int |
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| 63 | inb (unsigned long int port) |
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| 64 | { |
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| 65 | return 0; |
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| 66 | } |
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| 67 | compat_symbol (libc, inb, inb, GLIBC_2_4); |
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| 68 | |
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| 69 | |
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| 70 | unsigned int |
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| 71 | inw (unsigned long int port) |
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| 72 | { |
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| 73 | return 0; |
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| 74 | } |
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| 75 | compat_symbol (libc, inw, inw, GLIBC_2_4); |
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| 76 | |
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| 77 | |
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| 78 | unsigned int |
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| 79 | inl (unsigned long int port) |
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| 80 | { |
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| 81 | return 0; |
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| 82 | } |
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| 83 | compat_symbol (libc, inl, inl, GLIBC_2_4); |
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| 84 | |
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| 85 | #endif /* SHLIB_COMAT */ |
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| 86 | |
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