Rev 3222 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
498 | decky | 1 | # |
2071 | jermar | 2 | # Copyright (c) 2005 Martin Decky |
498 | decky | 3 | # All rights reserved. |
4 | # |
||
5 | # Redistribution and use in source and binary forms, with or without |
||
6 | # modification, are permitted provided that the following conditions |
||
7 | # are met: |
||
8 | # |
||
9 | # - Redistributions of source code must retain the above copyright |
||
10 | # notice, this list of conditions and the following disclaimer. |
||
11 | # - Redistributions in binary form must reproduce the above copyright |
||
12 | # notice, this list of conditions and the following disclaimer in the |
||
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 |
||
15 | # derived from this software without specific prior written permission. |
||
16 | # |
||
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 |
||
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
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 |
||
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 |
||
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | # |
||
28 | |||
29 | .text |
||
943 | palkovsky | 30 | .section .init, "ax" |
1367 | decky | 31 | .global __entry |
32 | .global __entry_driver |
||
1123 | palkovsky | 33 | .set noreorder |
34 | .option pic2 |
||
498 | decky | 35 | |
36 | ## User-space task entry point |
||
37 | # |
||
3222 | svoboda | 38 | # $a0 ($4) contains the PCB pointer |
498 | decky | 39 | # |
1367 | decky | 40 | .ent __entry |
41 | __entry: |
||
1123 | palkovsky | 42 | .frame $sp, 32, $31 |
43 | .cpload $25 |
||
3222 | svoboda | 44 | |
1123 | palkovsky | 45 | # Mips o32 may store its arguments on stack, make space (16 bytes), |
1113 | palkovsky | 46 | # so that it could work with -O0 |
1123 | palkovsky | 47 | # Make space additional 16 bytes for the stack frame |
48 | |||
49 | addiu $sp, -32 |
||
50 | .cprestore 16 # Allow PIC code |
||
3222 | svoboda | 51 | |
52 | # Pass pcb_ptr to __main() as the first argument. pcb_ptr is already |
||
53 | # in $a0. As the first argument is passed in $a0, no operation |
||
54 | # is needed. |
||
55 | |||
1113 | palkovsky | 56 | jal __main |
1123 | palkovsky | 57 | nop |
1113 | palkovsky | 58 | |
498 | decky | 59 | jal __exit |
1123 | palkovsky | 60 | nop |
1660 | palkovsky | 61 | .end |
1367 | decky | 62 | |
1123 | palkovsky | 63 | # Alignment of output section data to 0x4000 |
64 | .section .data |
||
65 | .align 14 |