Rev 1787 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1787 | Rev 2071 | ||
|---|---|---|---|
| 1 | # |
1 | # |
| 2 | # Copyright (C) 2005 Martin Decky |
2 | # Copyright (c) 2005 Martin Decky |
| 3 | # All rights reserved. |
3 | # All rights reserved. |
| 4 | # |
4 | # |
| 5 | # Redistribution and use in source and binary forms, with or without |
5 | # Redistribution and use in source and binary forms, with or without |
| 6 | # modification, are permitted provided that the following conditions |
6 | # modification, are permitted provided that the following conditions |
| 7 | # are met: |
7 | # are met: |
| 8 | # |
8 | # |
| 9 | # - Redistributions of source code must retain the above copyright |
9 | # - Redistributions of source code must retain the above copyright |
| 10 | # notice, this list of conditions and the following disclaimer. |
10 | # notice, this list of conditions and the following disclaimer. |
| 11 | # - Redistributions in binary form must reproduce the above copyright |
11 | # - Redistributions in binary form must reproduce the above copyright |
| 12 | # notice, this list of conditions and the following disclaimer in the |
12 | # notice, this list of conditions and the following disclaimer in the |
| 13 | # documentation and/or other materials provided with the distribution. |
13 | # documentation and/or other materials provided with the distribution. |
| 14 | # - The name of the author may not be used to endorse or promote products |
14 | # - The name of the author may not be used to endorse or promote products |
| 15 | # derived from this software without specific prior written permission. |
15 | # derived from this software without specific prior written permission. |
| 16 | # |
16 | # |
| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
27 | # |
| 28 | 28 | ||
| 29 | .section .init, "ax" |
29 | .section .init, "ax" |
| 30 | 30 | ||
| 31 | .org 0 |
31 | .org 0 |
| 32 | 32 | ||
| 33 | .globl __entry |
33 | .globl __entry |
| 34 | .globl __entry_driver |
34 | .globl __entry_driver |
| 35 | 35 | ||
| 36 | ## User-space task entry point |
36 | ## User-space task entry point |
| 37 | # |
37 | # |
| 38 | # |
38 | # |
| 39 | __entry: |
39 | __entry: |
| 40 | mov %ss, %ax |
40 | mov %ss, %ax |
| 41 | mov %ax, %ds |
41 | mov %ax, %ds |
| 42 | mov %ax, %es |
42 | mov %ax, %es |
| 43 | mov %ax, %fs |
43 | mov %ax, %fs |
| 44 | # Do not set %gs, it contains descriptor that can see TLS |
44 | # Do not set %gs, it contains descriptor that can see TLS |
| 45 | 45 | ||
| 46 | call __main |
46 | call __main |
| 47 | call __io_init |
47 | call __io_init |
| 48 | call main |
48 | call main |
| 49 | call __exit |
49 | call __exit |
| 50 | 50 | ||
| 51 | __entry_driver: |
51 | __entry_driver: |
| 52 | mov %ss, %ax |
52 | mov %ss, %ax |
| 53 | mov %ax, %ds |
53 | mov %ax, %ds |
| 54 | mov %ax, %es |
54 | mov %ax, %es |
| 55 | mov %ax, %fs |
55 | mov %ax, %fs |
| 56 | # Do not set %gs, it contains descriptor that can see TLS |
56 | # Do not set %gs, it contains descriptor that can see TLS |
| 57 | 57 | ||
| 58 | call __main |
58 | call __main |
| 59 | call main |
59 | call main |
| 60 | call __exit |
60 | call __exit |
| 61 | 61 | ||