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[/] [openrisc/] [tags/] [or1ksim/] [or1ksim-0.4.0rc2/] [testsuite/] [test-code/] [lib-inttest/] [lib-inttest-edge.c] - Rev 205
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/* lib-inttest-edge.c. Test of Or1ksim library edge triggered interrupt funcs. Copyright (C) 1999-2006 OpenCores Copyright (C) 2010 Embecosm Limited Contributors various OpenCores participants Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> This file is part of OpenRISC 1000 Architectural Simulator. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http: www.gnu.org/licenses/>. */ /* ---------------------------------------------------------------------------- This code is commented throughout for use with Doxygen. --------------------------------------------------------------------------*/ #include <stdlib.h> #include <stdio.h> #include "or1ksim.h" /*! Number of interrupts in PIC */ #define NUM_INTS 32 /*! Globally shared pointer to the interrupts */ char **intv; /*! Number of interrupts to process */ int intc; /* --------------------------------------------------------------------------*/ /*!Trigger the next interrupt Generate the next edge triggered interrupt. Put out a message if doing so, and warn if the interrupt would be invalid. @return 1 (true) if an interrupt was triggered, 0 (false) otherwise. */ /* --------------------------------------------------------------------------*/ static int do_next_int () { static int next_int = 0; /* Next interrupt to process */ while (next_int < intc) { int inum = atoi (intv[next_int++]); if ((0 <= inum) && (inum < NUM_INTS)) { printf ("Triggering interrupt %d\n", inum); or1ksim_interrupt (inum); return 1; } else { printf ("Warning: Invalid interrupt # %d - ignored\n", inum); } } return 0; /* No more interrupts to trigger */ } /* do_next_int () */ /* --------------------------------------------------------------------------*/ /*!Read upcall Upcall from Or1ksim to read a word from an external peripheral. If called this will trigger an interrupt. @param[in] class_ptr A handle pass back from the initalization. Intended for C++ callers, not used here. @param[in] addr Address to read from. Ignored here. @param[in] mask Byte mask for the read. Ignored here. @param[out] rdata Buffer for the data read. Ignored here. @param[in] data_len Number of bytes in mask and rdata. @return Zero on success, non-zero on failure. Always zero here. */ /* --------------------------------------------------------------------------*/ static int read_upcall (void *class_ptr, unsigned long int addr, unsigned char mask[], unsigned char rdata[], int data_len) { do_next_int (); return 0; /* Success */ } /* read_upcall () */ /* --------------------------------------------------------------------------*/ /*!Write upcall Upcall from Or1ksim to write a word to an external peripheral. If called this will trigger an interrupt. @param[in] class_ptr A handle pass back from the initalization. Intended for C++ callers, not used here. @param[in] addr Address to write to. Ignored here. @param[in] mask Byte mask for the write. Ignored here. @param[in] wdata The data to write. Ignored here. @param[in] data_len Number of bytes in mask and rdata. @return Zero on success, non-zero on failure. Always zero here. */ /* --------------------------------------------------------------------------*/ static int write_upcall (void *class_ptr, unsigned long int addr, unsigned char mask[], unsigned char wdata[], int data_len) { do_next_int (); return 0; /* Success */ } /* write_upcall () */ /* --------------------------------------------------------------------------*/ /*!Main program Build an or1ksim program using the library which loads a program and config from the command line, and then drives interrupts. Usage: lib-inttest-edge <config-file> <image> <duration_ms> <int #> <int #> ... <image> is run for repeated perios of <duration_ms>, during which it will make upcalls. Between each period and during each upcall an edge based interrupt will be triggered, until all interrupts listed have been triggered. @param[in] argc Number of elements in argv @param[in] argv Vector of program name and arguments @return Return code for the program. */ /* --------------------------------------------------------------------------*/ int main (int argc, char *argv[]) { /* Parse args */ if (argc < 5) { fprintf (stderr, "usage: lib-inttest-edge <config-file> <image> <duration_ms> " "<int #> <int #> ...\n"); return 1; } int duration_ms = atoi (argv[3]); double duration = (double) duration_ms / 1.0e3; if (duration_ms <= 0) { fprintf (stderr, "ERROR. Duration must be positive number of ms\n"); return 1; } /* Initialize the program. Put the initialization message afterwards, or it will get swamped by the Or1ksim header. */ if (0 == or1ksim_init (argv[1], argv[2], NULL, &read_upcall, &write_upcall)) { printf ("Initalization succeeded.\n"); } else { printf ("Initalization failed.\n"); return 1; } /* Do each interrupt in turn. Set up the shared pointer to the interrupts and counter. */ intv = &(argv[4]); intc = argc - 4; do { /* Run the code */ if (OR1KSIM_RC_OK != or1ksim_run (duration)) { printf ("ERROR: run failed\n"); return 1; } } while (do_next_int ()); /* One more run, to allow interrupt handler enough time to finish processing. */ if (OR1KSIM_RC_OK != or1ksim_run (duration)) { printf ("ERROR: run failed\n"); return 1; } /* All interrupts should have been handled. */ printf ("Test completed successfully.\n"); return 0; } /* main () */
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