5
Last change
on this file since 8f8ccee was
8f8ccee,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/23/18 at 07:50:39
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bsps: Move interrupt controller support to bsps
This patch is a part of the BSP source reorganization.
Update #3285.
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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 | * TX3904 Interrupt Vectoring |
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5 | */ |
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6 | |
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7 | /* |
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8 | * COPYRIGHT (c) 1989-2012. |
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9 | * On-Line Applications Research Corporation (OAR). |
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10 | * |
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11 | * The license and distribution terms for this file may be |
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12 | * found in the file LICENSE in this distribution or at |
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13 | * http://www.rtems.org/license/LICENSE. |
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14 | */ |
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15 | |
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16 | #include <rtems.h> |
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17 | #include <stdlib.h> |
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18 | #include <bsp/irq.h> |
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19 | #include <rtems/bspIo.h> /* for printk */ |
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20 | #include <bsp/irq-generic.h> |
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21 | #include <libcpu/isr_entries.h> |
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22 | |
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23 | void mips_vector_isr_handlers( CPU_Interrupt_frame *frame ) |
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24 | { |
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25 | unsigned int sr; |
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26 | unsigned int cause; |
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27 | |
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28 | mips_get_sr( sr ); |
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29 | mips_get_cause( cause ); |
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30 | |
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31 | cause &= (sr & SR_IMASK); |
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32 | cause >>= CAUSE_IPSHIFT; |
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33 | |
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34 | if ( cause & 0x80 ) /* IP[5] ==> INT0 */ |
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35 | bsp_interrupt_handler_dispatch( TX3904_IRQ_INT0 ); |
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36 | |
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37 | if ( cause & 0x40 ) { /* (IP[4] == 1) ==> IP[0-3] are valid */ |
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38 | unsigned int v = (cause >> 2) & 0x0f; |
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39 | bsp_interrupt_handler_dispatch( MIPS_INTERRUPT_BASE + v ); |
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40 | } |
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41 | |
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42 | if ( cause & 0x02 ) /* SW[0] */ |
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43 | bsp_interrupt_handler_dispatch( TX3904_IRQ_SOFTWARE_1 ); |
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44 | |
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45 | if ( cause & 0x01 ) /* IP[1] */ |
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46 | bsp_interrupt_handler_dispatch( TX3904_IRQ_SOFTWARE_2 ); |
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47 | } |
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