Rev 1789 | Rev 1792 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
418 | jermar | 1 | # |
2 | # Copyright (C) 2005 Jakub Jermar |
||
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 | |||
1789 | jermar | 29 | #include <arch/regdef.h> |
846 | jermar | 30 | |
426 | jermar | 31 | .register %g2, #scratch |
32 | .register %g3, #scratch |
||
33 | .register %g6, #scratch |
||
34 | .register %g7, #scratch |
||
35 | |||
418 | jermar | 36 | .section K_TEXT_START, "ax" |
37 | |||
847 | jermar | 38 | /* |
1789 | jermar | 39 | * Here is where the kernel is passed control |
40 | * from the boot loader. |
||
1790 | jermar | 41 | * |
42 | * The registers are expected to be in this state: |
||
43 | * %o0 bootinfo structure address |
||
44 | * %o1 bootinfo structure size |
||
847 | jermar | 45 | */ |
46 | |||
418 | jermar | 47 | .global kernel_image_start |
48 | kernel_image_start: |
||
846 | jermar | 49 | flushw ! flush all but the active register window |
50 | |||
1790 | jermar | 51 | /* |
52 | * Disable interrupts and disable 32-bit address masking. |
||
53 | */ |
||
1784 | jermar | 54 | rdpr %pstate, %l0 |
1790 | jermar | 55 | and %l0, ~(PSTATE_AM_BIT|PSTATE_IE_BIT), %l0 |
1784 | jermar | 56 | wrpr %l0, 0, %pstate |
424 | jermar | 57 | |
1790 | jermar | 58 | /* |
59 | * Copy the bootinfo structure passed from the boot loader |
||
60 | * to the kernel bootinfo structure. |
||
61 | */ |
||
62 | mov %o1, %o2 |
||
63 | mov %o0, %o1 |
||
64 | set bootinfo, %o0 |
||
65 | call memcpy |
||
867 | jermar | 66 | nop |
67 | |||
895 | jermar | 68 | wrpr %r0, 0, %pil |
69 | |||
426 | jermar | 70 | call main_bsp |
71 | nop |
||
72 | |||
73 | /* Not reached. */ |
||
74 | |||
424 | jermar | 75 | 2: |
76 | b 2b |
||
77 | nop |