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/*
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/*
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* $Id: aeMB_testbench.c,v 1.11 2007-11-14 23:41:06 sybreon Exp $
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* $Id: aeMB_testbench.c,v 1.12 2007-11-18 19:41:45 sybreon Exp $
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*
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*
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* AEMB Function Verification C Testbench
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* AEMB Function Verification C Testbench
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* Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>
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* Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>
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*
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*
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* This library is free software; you can redistribute it and/or
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* This library is free software; you can redistribute it and/or
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* It tests a whole gamut of operations and is tightly linked to the
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* It tests a whole gamut of operations and is tightly linked to the
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* ae68_testbench.v testbench module for verification.
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* ae68_testbench.v testbench module for verification.
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*
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*
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* HISTORY
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* HISTORY
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* $Log: not supported by cvs2svn $
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* $Log: not supported by cvs2svn $
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* Revision 1.11 2007/11/14 23:41:06 sybreon
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* Fixed minor interrupt test typo.
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*
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* Revision 1.10 2007/11/14 22:12:02 sybreon
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* Revision 1.10 2007/11/14 22:12:02 sybreon
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* Added interrupt test routine.
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* Added interrupt test routine.
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*
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*
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* Revision 1.9 2007/11/09 20:51:53 sybreon
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* Revision 1.9 2007/11/09 20:51:53 sybreon
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* Added GET/PUT support through a FSL bus.
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* Added GET/PUT support through a FSL bus.
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This tests for the following:
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This tests for the following:
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- Pointer addressing
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- Pointer addressing
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- Interrupt handling
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- Interrupt handling
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*/
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*/
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// void int_service (void) __attribute__((save_volatiles));
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void int_handler (void) __attribute__ ((interrupt_handler));
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void int_handler (void) __attribute__ ((interrupt_handler));
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int service;
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volatile int service = 0xDEADDEAD;
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void int_enable()
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void int_enable()
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{
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{
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int tmp;
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int tmp;
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service = 0;
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asm volatile ("mfs %0, rmsr;"
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asm ("mfs %0, rmsr;" : "=r" (tmp));
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"ori %1, %0, 0x02;"
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tmp = tmp | 0x02;
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"mts rmsr, %1;"
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asm ("mts rmsr, %0;" :: "r" (tmp));
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: "=r" (tmp)
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: "r" (tmp));
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}
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}
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void int_disable()
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void int_disable()
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{
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{
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int tmp;
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int tmp;
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service = 1;
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asm volatile ("mfs %0, rmsr;"
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asm ("mfs %0, rmsr;" : "=r" (tmp));
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"andi %1, %0, 0xFD;"
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tmp = tmp & 0xFD;
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"mts rmsr, %1;"
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asm ("mts rmsr, %0;" :: "r" (tmp));
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: "=r" (tmp)
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: "r" (tmp));
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}
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}
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void int_service()
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void int_service()
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{
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{
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int* pio = (int*)0xFFFFFFFC;
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int* pio = (int*)0xFFFFFFFC;
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*pio = 0x52544E49; // "INTR"
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*pio = 0x52544E49; // "INTR"
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service = -1;
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service = 0;
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}
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}
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void int_handler()
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void int_handler()
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{
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{
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int_service();
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int_service();
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INTERRUPT TEST ROUTINE
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INTERRUPT TEST ROUTINE
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*/
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*/
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int int_test ()
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int int_test ()
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{
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{
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// Delay loop until hardware interrupt triggers
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// Delay loop until hardware interrupt triggers
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int i;
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for (volatile int i=0; i < 999; i++) {
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for (i=0; i < 777; i++) {
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if (service == 0) return 0;
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asm volatile ("nop;");
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};
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}
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return (service == 0) ? -1 : 1;
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return -1;
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}
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}
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/**
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/**
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FIBONACCI TEST
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FIBONACCI TEST
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http://en.literateprograms.org/Fibonacci_numbers_(C)
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http://en.literateprograms.org/Fibonacci_numbers_(C)
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int FSL = 0xCAFEF00D;
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int FSL = 0xCAFEF00D;
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asm ("PUT %0, RFSL1" :: "r"(FSL));
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asm ("PUT %0, RFSL1" :: "r"(FSL));
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asm ("GET %0, RFSL1" : "=r"(FSL));
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asm ("GET %0, RFSL1" : "=r"(FSL));
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if (FSL != 0x04) return -1;
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if (FSL != 0x01) return -1;
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asm ("PUT %0, RFSL31" :: "r"(FSL));
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asm ("PUT %0, RFSL31" :: "r"(FSL));
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asm ("GET %0, RFSL31" : "=r"(FSL));
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asm ("GET %0, RFSL31" : "=r"(FSL));
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if (FSL != 0x7C) return -1;
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if (FSL != 0x1F) return -1;
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return 0;
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return 0;
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}
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}
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/**
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/**
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