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1 | /* |
1 | /* |
2 | # |
2 | # |
3 | # Copyright (C) 2005 Jakub Vana |
3 | # Copyright (C) 2005 Jakub Vana |
4 | # All rights reserved. |
4 | # All rights reserved. |
5 | # |
5 | # |
6 | # Redistribution and use in source and binary forms, with or without |
6 | # Redistribution and use in source and binary forms, with or without |
7 | # modification, are permitted provided that the following conditions |
7 | # modification, are permitted provided that the following conditions |
8 | # are met: |
8 | # are met: |
9 | # |
9 | # |
10 | # - Redistributions of source code must retain the above copyright |
10 | # - Redistributions of source code must retain the above copyright |
11 | # notice, this list of conditions and the following disclaimer. |
11 | # notice, this list of conditions and the following disclaimer. |
12 | # - Redistributions in binary form must reproduce the above copyright |
12 | # - Redistributions in binary form must reproduce the above copyright |
13 | # notice, this list of conditions and the following disclaimer in the |
13 | # notice, this list of conditions and the following disclaimer in the |
14 | # documentation and/or other materials provided with the distribution. |
14 | # documentation and/or other materials provided with the distribution. |
15 | # - The name of the author may not be used to endorse or promote products |
15 | # - The name of the author may not be used to endorse or promote products |
16 | # derived from this software without specific prior written permission. |
16 | # derived from this software without specific prior written permission. |
17 | # |
17 | # |
18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | # |
28 | # |
29 | */ |
29 | */ |
30 | 30 | ||
31 | #include <fpu_context.h> |
31 | #include <fpu_context.h> |
32 | 32 | ||
33 | void fpu_context_save(void) |
33 | void fpu_context_save(fpu_context_t *fctx) |
34 | { |
34 | { |
35 | } |
35 | } |
36 | 36 | ||
37 | 37 | ||
38 | void fpu_context_restore() |
38 | void fpu_context_restore(fpu_context_t *fctx) |
39 | { |
39 | { |
40 | } |
40 | } |
41 | 41 | ||
42 | 42 | ||
43 | void fpu_lazy_context_save() |
43 | void fpu_lazy_context_save(fpu_context_t *fctx) |
44 | { |
44 | { |
45 | /* |
45 | /* |
46 | pushl %eax |
46 | pushl %eax |
47 | mov 8(%esp),%eax |
47 | mov 8(%esp),%eax |
48 | fxsave (%eax) |
48 | fxsave (%eax) |
49 | popl %eax |
49 | popl %eax |
50 | ret |
50 | ret |
51 | */ |
51 | */ |
52 | } |
52 | } |
53 | 53 | ||
54 | void fpu_lazy_context_restore() |
54 | void fpu_lazy_context_restore(fpu_context_t *fctx) |
55 | { |
55 | { |
56 | /* |
56 | /* |
57 | pushl %eax |
57 | pushl %eax |
58 | mov 8(%esp),%eax |
58 | mov 8(%esp),%eax |
59 | fxrstor (%eax) |
59 | fxrstor (%eax) |
60 | popl %eax |
60 | popl %eax |
61 | ret |
61 | ret |
62 | */ |
62 | */ |
63 | } |
63 | } |
64 | 64 |