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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 | /** @addtogroup sparc64interrupt |
29 | /** @addtogroup sparc64interrupt |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef __sparc64_TRAP_TABLE_H__ |
35 | #ifndef __sparc64_TRAP_TABLE_H__ |
36 | #define __sparc64_TRAP_TABLE_H__ |
36 | #define __sparc64_TRAP_TABLE_H__ |
37 | 37 | ||
38 | #ifndef __ASM__ |
38 | #ifndef __ASM__ |
39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
40 | #endif /* __ASM__ */ |
40 | #endif /* __ASM__ */ |
41 | 41 | ||
42 | #include <arch/stack.h> |
42 | #include <arch/stack.h> |
43 | 43 | ||
44 | #define TRAP_TABLE_ENTRY_COUNT 1024 |
44 | #define TRAP_TABLE_ENTRY_COUNT 1024 |
45 | #define TRAP_TABLE_ENTRY_SIZE 32 |
45 | #define TRAP_TABLE_ENTRY_SIZE 32 |
46 | #define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT*TRAP_TABLE_ENTRY_SIZE) |
46 | #define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT*TRAP_TABLE_ENTRY_SIZE) |
47 | 47 | ||
48 | #ifndef __ASM__ |
48 | #ifndef __ASM__ |
49 | struct trap_table_entry { |
49 | struct trap_table_entry { |
50 | uint8_t octets[TRAP_TABLE_ENTRY_SIZE]; |
50 | uint8_t octets[TRAP_TABLE_ENTRY_SIZE]; |
51 | } __attribute__ ((packed)); |
51 | } __attribute__ ((packed)); |
52 | 52 | ||
53 | typedef struct trap_table_entry trap_table_entry_t; |
53 | typedef struct trap_table_entry trap_table_entry_t; |
54 | 54 | ||
55 | extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT]; |
55 | extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT]; |
56 | extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT]; |
56 | extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT]; |
57 | #endif /* !__ASM__ */ |
57 | #endif /* !__ASM__ */ |
58 | 58 | ||
59 | #ifdef __ASM__ |
59 | #ifdef __ASM__ |
60 | .macro SAVE_GLOBALS |
60 | .macro SAVE_GLOBALS |
61 | mov %g1, %l1 |
61 | mov %g1, %l1 |
62 | mov %g2, %l2 |
62 | mov %g2, %l2 |
63 | mov %g3, %l3 |
63 | mov %g3, %l3 |
64 | mov %g4, %l4 |
64 | mov %g4, %l4 |
65 | mov %g5, %l5 |
65 | mov %g5, %l5 |
66 | mov %g6, %l6 |
66 | mov %g6, %l6 |
67 | mov %g7, %l7 |
67 | mov %g7, %l7 |
68 | .endm |
68 | .endm |
69 | 69 | ||
70 | .macro RESTORE_GLOBALS |
70 | .macro RESTORE_GLOBALS |
71 | mov %l1, %g1 |
71 | mov %l1, %g1 |
72 | mov %l2, %g2 |
72 | mov %l2, %g2 |
73 | mov %l3, %g3 |
73 | mov %l3, %g3 |
74 | mov %l4, %g4 |
74 | mov %l4, %g4 |
75 | mov %l5, %g5 |
75 | mov %l5, %g5 |
76 | mov %l6, %g6 |
76 | mov %l6, %g6 |
77 | mov %l7, %g7 |
77 | mov %l7, %g7 |
78 | .endm |
78 | .endm |
79 | 79 | ||
80 | #define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE (STACK_WINDOW_SAVE_AREA_SIZE+(4*8)) |
80 | #define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE (STACK_WINDOW_SAVE_AREA_SIZE+(4*8)) |
81 | #define SAVED_TSTATE -(1*8) |
81 | #define SAVED_TSTATE -(1*8) |
82 | #define SAVED_TPC -(2*8) |
82 | #define SAVED_TPC -(2*8) |
83 | #define SAVED_TNPC -(3*8) |
83 | #define SAVED_TNPC -(3*8) |
84 | #define SAVED_PSTATE -(4*8) |
84 | #define SAVED_PSTATE -(4*8) |
85 | 85 | ||
86 | .macro PREEMPTIBLE_HANDLER f |
86 | .macro PREEMPTIBLE_HANDLER f |
87 | set \f, %l0 |
87 | set \f, %l0 |
88 | b preemptible_handler |
88 | b preemptible_handler |
89 | nop |
89 | nop |
90 | .endm |
90 | .endm |
91 | 91 | ||
92 | .macro SIMPLE_HANDLER f |
92 | .macro SIMPLE_HANDLER f |
93 | call \f |
93 | call \f |
94 | nop |
94 | nop |
95 | .endm |
95 | .endm |
96 | #endif /* __ASM__ */ |
96 | #endif /* __ASM__ */ |
97 | 97 | ||
98 | #endif |
98 | #endif |
99 | 99 | ||
100 | /** @} |
100 | /** @} |
101 | */ |
101 | */ |
102 | 102 | ||
103 | 103 |