1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup bsp_interrupt |
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5 | * |
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6 | * @brief GDB ARM Simulator interrupt support. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #include <rtems/score/armv4.h> |
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24 | #include <rtems/score/armv7m.h> |
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25 | |
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26 | #include <bsp.h> |
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27 | #include <bsp/irq.h> |
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28 | #include <bsp/irq-generic.h> |
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29 | #include <bsp/linker-symbols.h> |
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30 | |
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31 | /* |
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32 | * Prototypes |
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33 | */ |
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34 | void lpc24xx_irq_set_priority(rtems_vector_number, unsigned); |
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35 | unsigned lpc24xx_irq_get_priority(rtems_vector_number); |
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36 | |
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37 | static inline bool lpc24xx_irq_is_valid(rtems_vector_number vector) |
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38 | { |
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39 | return vector <= BSP_INTERRUPT_VECTOR_MAX; |
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40 | } |
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41 | |
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42 | void lpc24xx_irq_set_priority(rtems_vector_number vector, unsigned priority) |
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43 | { |
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44 | } |
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45 | |
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46 | unsigned lpc24xx_irq_get_priority(rtems_vector_number vector) |
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47 | { |
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48 | return 0; /* bogus value to avoid warning */ |
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49 | } |
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50 | |
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51 | #ifdef ARM_MULTILIB_ARCH_V4 |
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52 | |
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53 | void bsp_interrupt_vector_enable(rtems_vector_number vector) |
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54 | { |
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55 | bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector)); |
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56 | } |
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57 | |
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58 | void bsp_interrupt_vector_disable(rtems_vector_number vector) |
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59 | { |
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60 | bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector)); |
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61 | } |
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62 | |
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63 | rtems_status_code bsp_interrupt_facility_initialize(void) |
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64 | { |
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65 | /* Install the IRQ exception handler */ |
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66 | _CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, _ARMV4_Exception_interrupt, NULL); |
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67 | |
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68 | return RTEMS_SUCCESSFUL; |
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69 | } |
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70 | |
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71 | #endif /* ARM_MULTILIB_ARCH_V4 */ |
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