Rev 534 | Rev 634 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 534 | Rev 630 | ||
---|---|---|---|
1 | # |
1 | # |
2 | # Copyright (C) 2005 Jakub Jermar |
2 | # Copyright (C) 2005 Jakub Jermar |
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 | /** |
29 | /** |
30 | * This file contains two trap tables. First, trap_table, is the one |
30 | * This file contains two trap tables. First, trap_table, is the one |
31 | * to wich kernel copies OFW's own trap table and patches it with |
31 | * to wich kernel copies OFW's own trap table and patches it with |
32 | * kernel-provided handlers from the second trap table, trap_table_kernel. |
32 | * kernel-provided handlers from the second trap table, trap_table_kernel. |
33 | */ |
33 | */ |
34 | 34 | ||
35 | .text |
35 | .text |
36 | 36 | ||
37 | #include <arch/trap_table.h> |
37 | #include <arch/trap/trap_table.h> |
- | 38 | #include <arch/trap/regwin.h> |
|
38 | 39 | ||
39 | #define TABLE_SIZE TRAP_TABLE_SIZE |
40 | #define TABLE_SIZE TRAP_TABLE_SIZE |
40 | #define ENTRY_SIZE TRAP_TABLE_ENTRY_SIZE |
41 | #define ENTRY_SIZE TRAP_TABLE_ENTRY_SIZE |
41 | 42 | ||
42 | 43 | ||
43 | /* |
44 | /* |
44 | * Trap table for copy of OFW's own trap table. |
45 | * Trap table for copy of OFW's own trap table. |
45 | */ |
46 | */ |
46 | .align TABLE_SIZE |
47 | .align TABLE_SIZE |
47 | .global trap_table |
48 | .global trap_table |
48 | trap_table: |
49 | trap_table: |
49 | .space TABLE_SIZE, 0 |
50 | .space TABLE_SIZE, 0 |
50 | 51 | ||
51 | 52 | ||
52 | /* |
53 | /* |
53 | * Kernel-provided trap handlers. |
54 | * Kernel-provided trap handlers. |
54 | */ |
55 | */ |
55 | .global trap_table_kernel |
56 | .global trap_table_kernel |
56 | trap_table_kernel: |
57 | trap_table_kernel: |
57 | 58 | ||
58 | /* |
- | |
59 | * Hardware interrupts for TL=0. |
59 | /* TT = 0x24, TL = 0 *, clean_window handler */ |
60 | */ |
- | |
61 | .org trap_table_kernel + 0*ENTRY_SIZE |
60 | .org trap_table_kernel + TT_CLEAN_WINDOW*ENTRY_SIZE |
- | 61 | .global clean_window_handler |
|
62 | tl_0_hardware_traps: |
62 | clean_window_handler: |
- | 63 | CLEAN_WINDOW_HANDLER |
|
63 | 64 | ||
- | 65 | /* TT = 0x80, TL = 0 *, spill_0_normal handler */ |
|
- | 66 | .org trap_table_kernel + TT_SPILL_0_NORMAL*ENTRY_SIZE |
|
- | 67 | .global spill_0_normal |
|
- | 68 | spill_0_normal: |
|
- | 69 | SPILL_NORMAL_HANDLER |
|
64 | /* |
70 | |
65 | * Register window spill/fill/clean traps for TL=0. |
71 | /* TT = 0xc0, TL = 0 *, fill_0_normal handler */ |
66 | */ |
- | |
67 | .org trap_table_kernel + 128*ENTRY_SIZE |
72 | .org trap_table_kernel + TT_FILL_0_NORMAL*ENTRY_SIZE |
68 | tl_0_regwin_traps: |
73 | fill_0_normal: |
- | 74 | FILL_NORMAL_HANDLER |
|
69 | 75 | ||
70 | /* |
76 | /* |
71 | * Software traps for TL=0. |
77 | * Software traps for TL=0. |
72 | */ |
78 | */ |
73 | .org trap_table_kernel + 256*ENTRY_SIZE |
79 | .org trap_table_kernel + 256*ENTRY_SIZE |
74 | tl_0_software_traps: |
80 | tl_0_software_traps: |
75 | 81 | ||
76 | /* Reserved area. */ |
82 | /* Reserved area. */ |
77 | .org trap_table_kernel + 384*ENTRY_SIZE |
83 | .org trap_table_kernel + 384*ENTRY_SIZE |
78 | .space 128*ENTRY_SIZE, 0 |
84 | .space 128*ENTRY_SIZE, 0 |
79 | 85 | ||
80 | /* |
86 | /* |
81 | * Hardware interrupts for TL>0. |
87 | * Hardware interrupts for TL>0. |
82 | */ |
88 | */ |
83 | .org trap_table_kernel + 512*ENTRY_SIZE |
89 | .org trap_table_kernel + 512*ENTRY_SIZE |
84 | tl_non_0_hardware_traps: |
90 | tl_non_0_hardware_traps: |
85 | 91 | ||
86 | /* |
92 | /* |
87 | * Register window spill/fill/clean traps for TL>0. |
93 | * Register window spill/fill traps for TL>0. |
88 | */ |
94 | */ |
89 | .org trap_table_kernel + 640*ENTRY_SIZE |
95 | .org trap_table_kernel + 640*ENTRY_SIZE |
90 | tl_non_0_regwin_traps: |
96 | tl_non_0_regwin_traps: |
91 | 97 | ||
92 | /* |
98 | /* |
93 | * Software traps for TL>0. |
99 | * Software traps for TL>0. |
94 | */ |
100 | */ |
95 | .org trap_table_kernel + 768*ENTRY_SIZE |
101 | .org trap_table_kernel + 768*ENTRY_SIZE |
96 | tl_non_0_software_traps: |
102 | tl_non_0_software_traps: |
97 | 103 | ||
98 | /* Reserved area. */ |
104 | /* Reserved area. */ |
99 | .org trap_table_kernel + 896*ENTRY_SIZE |
105 | .org trap_table_kernel + 896*ENTRY_SIZE |
100 | .space 128*ENTRY_SIZE, 0 |
106 | .space 128*ENTRY_SIZE, 0 |
101 | 107 |