Rev 3343 | Rev 3397 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 3343 | Rev 3365 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Jakub Jermar |
2 | * Copyright (c) 2006 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 | #ifndef BOOT_BALLOC_H_ |
29 | #ifndef BOOT_BALLOC_H_ |
30 | #define BOOT_BALLOC_H_ |
30 | #define BOOT_BALLOC_H_ |
31 | 31 | ||
32 | #include <types.h> |
32 | #include <types.h> |
33 | 33 | ||
- | 34 | /* |
|
- | 35 | * SmartFirmware unfortunatelly fails to claim physical memory |
|
- | 36 | * for the boot allocator if the requested memory is too big |
|
- | 37 | * (roughly 512 kB and more). SmartFirmware runs on machines |
|
- | 38 | * containing newer versions of UltraSPARC processors. It |
|
- | 39 | * has been observed that the OFW tree is small enough for these |
|
- | 40 | * machines so that it can fit into 256 kB. This is a workaround how |
|
- | 41 | * to get rid of the memory claiming failure. |
|
- | 42 | */ |
|
- | 43 | #if defined (SMART_FIRMWARE) |
|
- | 44 | #define BALLOC_MAX_SIZE (256 * 1024) |
|
- | 45 | #else |
|
34 | #define BALLOC_MAX_SIZE (1024 * 1024) |
46 | #define BALLOC_MAX_SIZE (1024 * 1024) |
- | 47 | #endif |
|
35 | 48 | ||
36 | typedef struct { |
49 | typedef struct { |
37 | uintptr_t base; |
50 | uintptr_t base; |
38 | size_t size; |
51 | size_t size; |
39 | } ballocs_t; |
52 | } ballocs_t; |
40 | 53 | ||
41 | extern void balloc_init(ballocs_t *b, uintptr_t base); |
54 | extern void balloc_init(ballocs_t *b, uintptr_t base); |
42 | extern void *balloc(size_t size, size_t alignment); |
55 | extern void *balloc(size_t size, size_t alignment); |
43 | 56 | ||
44 | #endif |
57 | #endif |
45 | 58 |