1 | /** |
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2 | * @file |
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3 | * |
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4 | */ |
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5 | |
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6 | /* |
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7 | * COPYRIGHT (c) 1989-2012. |
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8 | * On-Line Applications Research Corporation (OAR). |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #include <rtems.h> |
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16 | #include <stdlib.h> |
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17 | #include <bsp/irq-generic.h> |
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18 | #include <bsp/pci.h> |
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19 | #include <bsp/i8259.h> |
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20 | #include <bsp.h> |
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21 | #include <libcpu/isr_entries.h> |
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22 | |
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23 | void mips_default_isr( int vector ); |
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24 | |
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25 | #include <rtems/bspIo.h> /* for printk */ |
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26 | |
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27 | void mips_vector_isr_handlers( CPU_Interrupt_frame *frame ) |
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28 | { |
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29 | unsigned int sr; |
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30 | unsigned int cause; |
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31 | unsigned int pending; |
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32 | |
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33 | mips_get_sr( sr ); |
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34 | mips_get_cause( cause ); |
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35 | |
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36 | pending = (cause & sr & 0xff00) >> CAUSE_IPSHIFT; |
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37 | |
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38 | /* SW Bits */ |
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39 | if ( pending & 0x01) { |
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40 | printk("Pending IRQ Q 0x%x\n", pending ); |
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41 | } |
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42 | |
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43 | if ( pending & 0x02) { |
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44 | printk("Pending IRQ Q 0x%x\n", pending ); |
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45 | } |
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46 | |
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47 | /* South Bridge Interrupt */ |
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48 | if ( pending & 0x04) { |
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49 | BSP_i8259s_int_process(); |
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50 | } |
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51 | |
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52 | /* South Bridge SMI */ |
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53 | if (pending & 0x08){ |
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54 | printk( "Pending IRQ 0x%x\n", pending ); |
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55 | } |
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56 | |
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57 | /* TTY 2 */ |
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58 | if (pending & 0x10) { |
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59 | printk( "Pending IRQ 0x%x\n", pending ); |
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60 | } |
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61 | /* Core HI */ |
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62 | if (pending & 0x20) { |
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63 | printk( "Pending IRQ 0x%x\n", pending ); |
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64 | } |
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65 | /* Core LO */ |
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66 | if (pending & 0x40) { |
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67 | printk( "Pending IRQ 0x%x\n", pending ); |
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68 | } |
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69 | |
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70 | if ( pending & 0x80 ) { |
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71 | bsp_interrupt_handler_dispatch( MALTA_INT_TICKER ); |
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72 | } |
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73 | } |
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74 | |
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75 | void mips_default_isr( int vector ) |
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76 | { |
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77 | unsigned int sr; |
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78 | unsigned int cause; |
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79 | |
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80 | mips_get_sr( sr ); |
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81 | mips_get_cause( cause ); |
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82 | |
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83 | printk( "Unhandled isr exception: vector 0x%02x, cause 0x%08X, sr 0x%08X\n", |
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84 | vector, cause, sr ); |
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85 | |
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86 | while(1); /* Lock it up */ |
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87 | |
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88 | rtems_fatal_error_occurred(1); |
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89 | } |
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90 | |
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