4.115
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup arm_shared |
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5 | * |
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6 | * @brief A8CORE_START Support |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2014 Chris Johns <chrisj@rtems.org>. All rights reserved. |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #ifndef LIBBSP_ARM_SHARED_ARM_A8CORE_START_H |
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18 | #define LIBBSP_ARM_SHARED_ARM_A8CORE_START_H |
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19 | |
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20 | #include <libcpu/arm-cp15.h> |
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21 | |
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22 | #include <bsp.h> |
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23 | #include <bsp/start.h> |
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24 | #include <bsp/arm-errata.h> |
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25 | |
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26 | #ifdef __cplusplus |
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27 | extern "C" { |
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28 | #endif /* __cplusplus */ |
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29 | |
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30 | BSP_START_TEXT_SECTION static inline arm_a8core_start_set_vector_base(void) |
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31 | { |
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32 | /* |
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33 | * Do not use bsp_vector_table_begin == 0, since this will get optimized away. |
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34 | */ |
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35 | if (bsp_vector_table_end != bsp_vector_table_size) { |
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36 | uint32_t ctrl; |
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37 | |
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38 | arm_cp15_set_vector_base_address(bsp_vector_table_begin); |
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39 | |
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40 | ctrl = arm_cp15_get_control(); |
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41 | ctrl &= ~ARM_CP15_CTRL_V; |
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42 | arm_cp15_set_control(ctrl); |
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43 | } |
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44 | } |
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45 | |
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46 | BSP_START_TEXT_SECTION static inline arm_a8core_start_hook_1(void) |
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47 | { |
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48 | arm_a8core_start_set_vector_base(); |
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49 | } |
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50 | |
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51 | #ifdef __cplusplus |
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52 | } |
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53 | #endif /* __cplusplus */ |
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54 | |
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55 | #endif /* LIBBSP_ARM_SHARED_ARM_A8CORE_START_H */ |
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