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| Rev | Author | Line No. | Line |
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| 1894 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
| 1894 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #ifndef BOOT_BALLOC_H_ |
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| 30 | #define BOOT_BALLOC_H_ |
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| 31 | |||
| 32 | #include <types.h> |
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| 33 | |||
| 3365 | rimsky | 34 | /* |
| 35 | * SmartFirmware unfortunatelly fails to claim physical memory |
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| 36 | * for the boot allocator if the requested memory is too big |
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| 37 | * (roughly 512 kB and more). SmartFirmware runs on machines |
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| 38 | * containing newer versions of UltraSPARC processors. It |
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| 39 | * has been observed that the OFW tree is small enough for these |
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| 40 | * machines so that it can fit into 256 kB. This is a workaround how |
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| 41 | * to get rid of the memory claiming failure. |
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| 42 | */ |
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| 43 | #if defined (SMART_FIRMWARE) |
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| 44 | #define BALLOC_MAX_SIZE (256 * 1024) |
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| 45 | #else |
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| 46 | #define BALLOC_MAX_SIZE (1024 * 1024) |
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| 47 | #endif |
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| 2250 | jermar | 48 | |
| 1894 | jermar | 49 | typedef struct { |
| 50 | uintptr_t base; |
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| 51 | size_t size; |
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| 52 | } ballocs_t; |
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| 53 | |||
| 54 | extern void balloc_init(ballocs_t *b, uintptr_t base); |
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| 55 | extern void *balloc(size_t size, size_t alignment); |
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| 56 | |||
| 57 | #endif |