Rev 883 | Rev 1784 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 883 | Rev 1702 | ||
---|---|---|---|
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 sparc64 |
|
- | 30 | * @{ |
|
- | 31 | */ |
|
- | 32 | /** @file |
|
- | 33 | */ |
|
- | 34 | ||
29 | #ifndef __sparc64_BARRIER_H__ |
35 | #ifndef __sparc64_BARRIER_H__ |
30 | #define __sparc64_BARRIER_H__ |
36 | #define __sparc64_BARRIER_H__ |
31 | 37 | ||
32 | /* |
38 | /* |
33 | * TODO: Implement true SPARC V9 memory barriers for macros below. |
39 | * TODO: Implement true SPARC V9 memory barriers for macros below. |
34 | */ |
40 | */ |
35 | #define CS_ENTER_BARRIER() __asm__ volatile ("" ::: "memory") |
41 | #define CS_ENTER_BARRIER() __asm__ volatile ("" ::: "memory") |
36 | #define CS_LEAVE_BARRIER() __asm__ volatile ("" ::: "memory") |
42 | #define CS_LEAVE_BARRIER() __asm__ volatile ("" ::: "memory") |
37 | 43 | ||
38 | #define memory_barrier() |
44 | #define memory_barrier() |
39 | #define read_barrier() |
45 | #define read_barrier() |
40 | #define write_barrier() |
46 | #define write_barrier() |
41 | 47 | ||
42 | /** Flush Instruction Memory instruction. */ |
48 | /** Flush Instruction Memory instruction. */ |
43 | static inline void flush(void) |
49 | static inline void flush(void) |
44 | { |
50 | { |
45 | /* |
51 | /* |
46 | * The FLUSH instruction takes address parameter. |
52 | * The FLUSH instruction takes address parameter. |
47 | * As such, it may trap if the address is not found in DTLB. |
53 | * As such, it may trap if the address is not found in DTLB. |
48 | * However, JPS1 implementations are free to ignore the trap. |
54 | * However, JPS1 implementations are free to ignore the trap. |
49 | */ |
55 | */ |
50 | 56 | ||
51 | /* |
57 | /* |
52 | * %i7 should provide address that is always mapped in DTLB |
58 | * %i7 should provide address that is always mapped in DTLB |
53 | * as it is a pointer to kernel code. |
59 | * as it is a pointer to kernel code. |
54 | */ |
60 | */ |
55 | __asm__ volatile ("flush %i7\n"); |
61 | __asm__ volatile ("flush %i7\n"); |
56 | } |
62 | } |
57 | 63 | ||
58 | /** Memory Barrier instruction. */ |
64 | /** Memory Barrier instruction. */ |
59 | static inline void membar(void) |
65 | static inline void membar(void) |
60 | { |
66 | { |
61 | __asm__ volatile ("membar #Sync\n"); |
67 | __asm__ volatile ("membar #Sync\n"); |
62 | } |
68 | } |
63 | 69 | ||
64 | #endif |
70 | #endif |
- | 71 | ||
- | 72 | /** @} |
|
- | 73 | */ |
|
- | 74 | ||
65 | 75 |