4.104.115
Last change
on this file since d374492 was
eee78e5,
checked in by Joel Sherrill <joel.sherrill@…>, on 05/08/09 at 13:24:09
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2009-05-08 Joel Sherrill <joel.sherrill@…>
- startup/bspgetworkarea.c: Switch from ssize_t to uintptr_t for
bsp_get_work_area() since the work area is larger than a single
allocatable object.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup mpc55xx |
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5 | * |
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6 | * @brief BSP Get Work Area of Memory. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008 |
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11 | * Embedded Brains GmbH |
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12 | * Obere Lagerstr. 30 |
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13 | * D-82178 Puchheim |
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14 | * Germany |
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15 | * rtems@embedded-brains.de |
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16 | * |
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17 | * The license and distribution terms for this file may be found in the file |
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18 | * LICENSE in this distribution or at http://www.rtems.com/license/LICENSE. |
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19 | */ |
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20 | |
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21 | #include <bsp.h> |
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22 | #include <bsp/bootcard.h> |
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23 | #include <libcpu/powerpc-utility.h> |
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24 | |
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25 | #define MPC55XX_INTERRUPT_STACK_SIZE 0x1000 |
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26 | |
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27 | /* Symbols defined in linker command file */ |
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28 | LINKER_SYMBOL(bsp_ram_start); |
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29 | LINKER_SYMBOL(bsp_ram_end); |
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30 | LINKER_SYMBOL(bsp_external_ram_start); |
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31 | LINKER_SYMBOL(bsp_external_ram_size); |
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32 | LINKER_SYMBOL(bsp_section_bss_end); |
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33 | |
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34 | void bsp_get_work_area( |
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35 | void **work_area_start, |
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36 | uintptr_t *work_area_size, |
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37 | void **heap_start, |
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38 | uintptr_t *heap_size |
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39 | ) |
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40 | { |
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41 | *work_area_start = bsp_section_bss_end; |
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42 | *work_area_size = bsp_ram_end - 2 * |
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43 | MPC55XX_INTERRUPT_STACK_SIZE - bsp_section_bss_end; |
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44 | *heap_start = bsp_external_ram_start; |
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45 | *heap_size = (uintptr_t) bsp_external_ram_size; |
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46 | } |
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