4.104.114.95
Last change
on this file since 48c5660 was
48c5660,
checked in by Ralf Corsepius <ralf.corsepius@…>, on 09/01/08 at 07:21:18
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2008-09-01 Ralf Corsépius <ralf.corsepius@…>
- libblock/src/nvdisk-sram.c: Add missing HAVE_CONFIG_H.
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-
Property mode set to
100644
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File size:
1.5 KB
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Rev | Line | |
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[5a2b5b2] | 1 | /* |
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| 2 | * $Id$ |
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| 3 | * |
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| 4 | * RTEMS Project (http://www.rtems.org/) |
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| 5 | * |
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| 6 | * Copyright 2007 Chris Johns (chrisj@rtems.org) |
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| 7 | */ |
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| 8 | /** |
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| 9 | * Provide SRAM support for the NV Disk. |
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| 10 | */ |
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| 11 | |
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[48c5660] | 12 | #if HAVE_CONFIG_H |
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| 13 | #include "config.h" |
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| 14 | #endif |
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| 15 | |
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[5a2b5b2] | 16 | #include <stdio.h> |
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| 17 | #include <errno.h> |
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| 18 | |
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| 19 | #include <rtems.h> |
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| 20 | |
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| 21 | #include <rtems/nvdisk-sram.h> |
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| 22 | |
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| 23 | #ifndef NVDISK_SRAM_ERROR_TRACE |
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| 24 | #define NVDISK_SRAM_ERROR_TRACE (0) |
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| 25 | #endif |
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| 26 | |
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| 27 | static int |
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| 28 | rtems_nvdisk_sram_read (uint32_t device, |
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| 29 | uint32_t flags, |
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| 30 | uint32_t base, |
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| 31 | uint32_t offset, |
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| 32 | void* buffer, |
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| 33 | uint32_t size) |
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| 34 | { |
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| 35 | memcpy (buffer, (char*) (base + offset), size); |
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| 36 | return 0; |
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| 37 | } |
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| 38 | |
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| 39 | static int |
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| 40 | rtems_nvdisk_sram_write (uint32_t device, |
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| 41 | uint32_t flags, |
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| 42 | uint32_t base, |
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| 43 | uint32_t offset, |
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| 44 | const void* buffer, |
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| 45 | uint32_t size) |
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| 46 | { |
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| 47 | memcpy ((char*) (base + offset), buffer, size); |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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| 51 | static int |
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| 52 | rtems_nvdisk_sram_verify (uint32_t device, |
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| 53 | uint32_t flags, |
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| 54 | uint32_t base, |
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| 55 | uint32_t offset, |
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| 56 | const void* buffer, |
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| 57 | uint32_t size) |
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| 58 | { |
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| 59 | return memcmp ((char*) (base + offset), buffer, size) == 0 ? 0 : EIO; |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | const rtems_nvdisk_driver_handlers rtems_nvdisk_sram_handlers = |
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| 64 | { |
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| 65 | read: rtems_nvdisk_sram_read, |
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| 66 | write: rtems_nvdisk_sram_write, |
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| 67 | verify: rtems_nvdisk_sram_verify |
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| 68 | }; |
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