[61ba9763] | 1 | /* |
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| 2 | * C4X Spurious Trap Handler |
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| 3 | * |
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| 4 | * This is just enough of a trap handler to let us know what |
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| 5 | * the likely source of the trap was. |
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| 6 | * |
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| 7 | * COPYRIGHT (c) 1989-1999. |
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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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[9daf475] | 12 | * http://www.rtems.com/license/LICENSE. |
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[61ba9763] | 13 | * |
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| 14 | * $Id$ |
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| 15 | */ |
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| 16 | |
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| 17 | #include <bsp.h> |
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[49b325f] | 18 | #include <rtems/bspIo.h> |
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[61ba9763] | 19 | |
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| 20 | /* |
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| 21 | * bsp_spurious_handler |
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| 22 | * |
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| 23 | * Print a message on the debug console and then die |
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| 24 | */ |
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| 25 | |
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| 26 | void bsp_spurious_handler_assistant( |
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| 27 | rtems_vector_number, |
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| 28 | CPU_Interrupt_frame * |
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| 29 | ); |
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| 30 | |
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| 31 | #if defined(_C4x) |
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| 32 | rtems_isr bsp_spurious_handler( |
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| 33 | rtems_vector_number vector, |
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| 34 | CPU_Interrupt_frame *isf |
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| 35 | ) |
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| 36 | { |
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| 37 | char *s; |
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| 38 | |
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| 39 | printk( "Unexpected interrupt (0x%x)\n", vector ); |
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| 40 | printk( "It looks like we got the interrupt at 0x%x\n", isf->interrupted ); |
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| 41 | |
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| 42 | /* |
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| 43 | * Can we print a name? |
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| 44 | */ |
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| 45 | |
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| 46 | printk( "Looks like it was a " ); |
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| 47 | if ( vector >= 0x0d && vector <= 0x24 ) { |
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| 48 | switch ( vector & 0x3 ) { |
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| 49 | case 1: s = "ICFULL"; break; |
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| 50 | case 2: s = "ICRDY"; break; |
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| 51 | case 3: s = "OCRDY"; break; |
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| 52 | case 0: s = "OCEMPTY"; break; |
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| 53 | } |
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| 54 | printk( "%s%d\n", s, (vector - 0x0d) / 4 ); |
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| 55 | } else if ( vector >= 0x25 && vector <= 0x2a ) { |
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| 56 | printk( "DMA INT%d\n", (vector - 0x25) ); |
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| 57 | } else /* if ( vector <= 0x0c || vector >= 0x2b ) */ { |
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| 58 | switch ( vector ) { |
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| 59 | case 0: s = "RESET"; break; |
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| 60 | case 1: s = "NMI"; break; |
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| 61 | case 2: s = "TINT0"; break; |
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| 62 | case 3: s = "IIOF0"; break; |
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| 63 | case 4: s = "IIOF1"; break; |
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| 64 | case 5: s = "IIOF2"; break; |
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| 65 | case 6: s = "IIOF3"; break; |
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| 66 | case 0x2b: s = "TINT1"; break; |
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| 67 | case 0x3f: s = "Reserved"; break; |
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| 68 | default: s = "Unused"; break; |
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| 69 | } |
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| 70 | printk( "%s\n", s ); |
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| 71 | } |
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| 72 | |
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| 73 | /* |
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| 74 | * Now call the BSP specific routine |
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| 75 | */ |
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| 76 | |
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| 77 | bsp_spurious_handler_assistant( vector, isf ); |
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| 78 | } |
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| 79 | #endif |
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