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Rev | Author | Line No. | Line |
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908 | jermar | 1 | # |
2071 | jermar | 2 | # Copyright (c) 2006 Jakub Jermar |
908 | jermar | 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 | |||
948 | jermar | 29 | .section .init, "ax" |
908 | jermar | 30 | |
31 | .org 0 |
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32 | |||
33 | .globl __entry |
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34 | |||
35 | ## User-space task entry point |
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36 | # |
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3168 | svoboda | 37 | # r2 contains the PCB pointer |
908 | jermar | 38 | # |
39 | __entry: |
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1079 | jermar | 40 | alloc loc0 = ar.pfs, 0, 1, 2, 0 |
3168 | svoboda | 41 | mov r1 = _gp |
42 | |||
43 | # Pass PCB pointer as the first argument to __main |
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44 | mov out0 = r2 |
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1379 | jermar | 45 | br.call.sptk.many b0 = __main |
46 | 0: |
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47 | br.call.sptk.many b0 = main |
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48 | 1: |
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49 | br.call.sptk.many b0 = __exit |