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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 52 | vana | 1 | /* |
| 2 | # |
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| 3 | # Copyright (C) 2005 Jakub Vana |
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| 4 | # All rights reserved. |
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| 5 | # |
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| 6 | # Redistribution and use in source and binary forms, with or without |
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| 7 | # modification, are permitted provided that the following conditions |
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| 8 | # are met: |
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| 9 | # |
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| 10 | # - Redistributions of source code must retain the above copyright |
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| 11 | # notice, this list of conditions and the following disclaimer. |
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| 12 | # - Redistributions in binary form must reproduce the above copyright |
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| 13 | # notice, this list of conditions and the following disclaimer in the |
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| 14 | # documentation and/or other materials provided with the distribution. |
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| 15 | # - The name of the author may not be used to endorse or promote products |
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| 16 | # derived from this software without specific prior written permission. |
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| 17 | # |
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | # |
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| 29 | */ |
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| 30 | |||
| 31 | #include <fpu_context.h> |
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| 32 | |||
| 33 | void fpu_context_save(void) |
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| 34 | { |
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| 35 | } |
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| 36 | |||
| 37 | |||
| 38 | void fpu_context_restore() |
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| 39 | { |
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| 40 | } |
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| 41 | |||
| 42 | |||
| 43 | void fpu_lazy_context_save() |
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| 44 | { |
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| 45 | /* |
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| 46 | pushl %eax |
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| 47 | mov 8(%esp),%eax |
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| 48 | fxsave (%eax) |
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| 49 | popl %eax |
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| 50 | ret |
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| 51 | */ |
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| 52 | } |
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| 53 | |||
| 54 | void fpu_lazy_context_restore() |
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| 55 | { |
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| 56 | /* |
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| 57 | pushl %eax |
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| 58 | mov 8(%esp),%eax |
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| 59 | fxrstor (%eax) |
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| 60 | popl %eax |
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| 61 | ret |
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| 62 | */ |
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| 63 | } |