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1113 | palkovsky | 1 | # |
2071 | jermar | 2 | # Copyright (c) 2003-2004 Jakub Jermar |
1113 | palkovsky | 3 | # All rights reserved. |
4 | # |
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5 | # Redistribution and use in source and binary forms, with or without |
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6 | # modification, are permitted provided that the following conditions |
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7 | # are met: |
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8 | # |
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9 | # - Redistributions of source code must retain the above copyright |
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10 | # notice, this list of conditions and the following disclaimer. |
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11 | # - Redistributions in binary form must reproduce the above copyright |
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12 | # notice, this list of conditions and the following disclaimer in the |
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13 | # documentation and/or other materials provided with the distribution. |
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14 | # - The name of the author may not be used to endorse or promote products |
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15 | # derived from this software without specific prior written permission. |
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16 | # |
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17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | # |
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28 | |||
29 | .text |
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30 | |||
31 | .set noat |
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32 | .set noreorder |
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33 | |||
2779 | cejka | 34 | #include <arch/context_offset.h> |
1113 | palkovsky | 35 | |
36 | .global context_save |
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37 | .global context_restore |
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1660 | palkovsky | 38 | |
1113 | palkovsky | 39 | context_save: |
2779 | cejka | 40 | CONTEXT_SAVE_ARCH_CORE $a0 |
1113 | palkovsky | 41 | |
42 | # context_save returns 1 |
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43 | j $ra |
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44 | li $v0, 1 |
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45 | |||
46 | context_restore: |
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2779 | cejka | 47 | CONTEXT_RESTORE_ARCH_CORE $a0 |
1113 | palkovsky | 48 | |
1123 | palkovsky | 49 | # Just for the jump into first function, but one instruction |
50 | # should not bother us |
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51 | move $t9, $ra |
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1113 | palkovsky | 52 | # context_restore returns 0 |
53 | j $ra |
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54 | xor $v0, $v0 |
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1123 | palkovsky | 55 |