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https://opencores.org/ocsvn/aemb/aemb/trunk
[/] [aemb/] [trunk/] [sw/] [cc/] [corefunc.hh] - Diff between revs 206 and 209
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| Rev 206 |
Rev 209 |
| Line 35... |
Line 35... |
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#define MAGIC 0xAE63AE63 // magic number
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#define MAGIC 0xAE63AE63 // magic number
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volatile int exce = 0;
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volatile int exce = 0;
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void exceptionHandler()
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volatile void _hw_exception_handler()
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{
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{
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exce++; // flag the exception service routine
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int resr;
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}
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asm volatile ("mfs %0, resr" : "=r"(resr));
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volatile void _hw_exception_handler()
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switch (resr)
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{
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{
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//exceptionHandler();
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case 1: // unaligned
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exce++;
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--exce;
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asm volatile (//"lwi r15,r1,0\n"
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break;
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"rted r17, 0\n"
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case 2: // illegal
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++exce;
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break;
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default:
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exce = 0;
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break;
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}
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asm volatile ("rted r17, 0\n"
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"nop\n");
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"nop\n");
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//"addik r1,r1,28\n");
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}
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}
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/**
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/**
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EXCEPTION TEST ROUTINE
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EXCEPTION TEST ROUTINE
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*/
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*/
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int exceptionTest(int timeout)
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int exceptionTest(int timeout)
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{
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{
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volatile int *toggle = (int *)0xFFFFFFE2;
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volatile int *toggle = (int *)0xFFFFFFE2;
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// enable exceptions
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// enable exceptions
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asm volatile (".long 0xDEADC0DE"); // define illegal instruction (1 error)
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asm volatile (".long 0xDEADC0DE"); // define illegal instruction (1 error)
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*toggle = *toggle; // test unaligned memory access (2 errors)
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*toggle = *toggle; // test unaligned memory access (2 errors)
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// disable exceptions
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// disable exceptions
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return (exce != 3) ? EXIT_FAILURE : EXIT_SUCCESS;
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return (exce != -1) ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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}
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volatile int intr = 0;
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volatile int intr = 0;
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void __attribute__ ((interrupt_handler)) interruptHandler()
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void __attribute__ ((interrupt_handler)) interruptHandler()
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