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  • This comparison shows the changes necessary to convert path 
    /openrisc/tags/or1ksim/or1ksim-0.4.0/testsuite/test-code-or1k/acv-gpio
    from Rev 121 to Rev 135
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  •

Rev 121 → Rev 135

/Makefile.in
0,0 → 1,504
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# @configure_input@
 
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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@SET_MAKE@
 
# Makefile.am for or1ksim testsuite CPU test program: acv-gpio
 
# Copyright (C) Embecosm Limited, 2010
 
# 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.
# -----------------------------------------------------------------------------
 
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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/acv-gpio.c
0,0 → 1,257
/* acv-gpio.c. GPIO test for Or1ksim
 
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.
--------------------------------------------------------------------------*/
 
/* GPIO test */
 
#include "spr-defs.h"
#include "support.h"
#include "int.h"
 
/* Relative Register Addresses */
#define RGPIO_IN 0x00
#define RGPIO_OUT 0x04
#define RGPIO_OE 0x08
#define RGPIO_INTE 0x0C
#define RGPIO_PTRIG 0x10
#define RGPIO_AUX 0x14
#define RGPIO_CTRL 0x18
#define RGPIO_INTS 0x1C
 
/* Fields inside RGPIO_CTRL */
#define RGPIO_CTRL_ECLK 0x00000001
#define RGPIO_CTRL_NEC 0x00000002
#define RGPIO_CTRL_INTE 0x00000004
#define RGPIO_CTRL_INTS 0x00000008
 
#define GPIO_BASE 0xB0000000LU
 
#define GPIO_INT_LINE 23 /* To which interrupt is GPIO connected */
 
typedef volatile unsigned long *GPIO_REG;
 
GPIO_REG rgpio_in = (unsigned long *)(GPIO_BASE + RGPIO_IN),
rgpio_out = (unsigned long *)(GPIO_BASE + RGPIO_OUT),
rgpio_oe = (unsigned long *)(GPIO_BASE + RGPIO_OE),
rgpio_inte = (unsigned long *)(GPIO_BASE + RGPIO_INTE),
rgpio_ptrig = (unsigned long *)(GPIO_BASE + RGPIO_PTRIG),
rgpio_aux = (unsigned long *)(GPIO_BASE + RGPIO_AUX),
rgpio_ctrl = (unsigned long *)(GPIO_BASE + RGPIO_CTRL),
rgpio_ints = (unsigned long *)(GPIO_BASE + RGPIO_INTS);
 
/* fails if x is false */
#define ASSERT(x) ((x)?1: fail (__FILE__, __LINE__))
 
static void fail (char *file, int line)
{
printf( "Test failed in %s:%i\n", file, line );
report( 0xeeeeeeee );
exit( 1 );
}
 
 
static void wait_input( unsigned long value )
{
unsigned long first = *rgpio_in;
if ( first == value )
return;
while ( 1 ) {
unsigned long curr = *rgpio_in;
if ( curr == value )
return;
if ( curr != first ) {
printf( "While waiting for 0x%08lX, input changed from 0x%08lX to 0x%08lX\n", value, first, curr );
ASSERT( 0 );
}
}
}
 
static volatile unsigned int_count = 0;
 
 
static void gpio_interrupt( void *arg )
{
++ int_count;
}
 
static void init_interrupts( void )
{
int_init();
int_add( GPIO_INT_LINE, gpio_interrupt, 0);
/* Enable interrupts */
mtspr( SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE );
}
 
 
 
static void test_registers( void )
{
printf( "Testing initial values of all registers\n" );
ASSERT( *rgpio_oe == 0 );
ASSERT( *rgpio_inte == 0 );
ASSERT( *rgpio_ptrig == 0 );
ASSERT( *rgpio_ctrl == 0 );
ASSERT( *rgpio_ints == 0 );
 
printf( "Verifying that RGPIO_IN is read-only\n" );
{
unsigned long value = *rgpio_in;
unsigned i;
*rgpio_in = ~value;
ASSERT( *rgpio_in == value );
 
for ( i = 0; i < 32; ++ i ) {
*rgpio_in = 1LU << i;
ASSERT( *rgpio_in == value );
}
}
}
 
 
static void test_simple_io( void )
{
unsigned i;
unsigned long oe;
 
printf( "Testing simple I/O\n" );
for ( i = 1, oe = 1; i < 31; ++ i, oe = (oe << 1) | 1 ) {
*rgpio_oe = oe;
*rgpio_out = 0xFFFFFFFF;
wait_input( 0xFFFFFFFF );
*rgpio_out = 0x00000000;
wait_input( 0x00000000 );
}
}
 
 
static void clear_interrupt_status( void )
{
*rgpio_ctrl &= ~RGPIO_CTRL_INTS;
*rgpio_ints = 0;
}
 
static void assert_good_interrupt( unsigned expected_count, unsigned long expected_mask )
{
ASSERT( int_count == expected_count );
ASSERT( (*rgpio_ctrl & RGPIO_CTRL_INTS) == RGPIO_CTRL_INTS );
ASSERT( (*rgpio_in & ~*rgpio_oe) == expected_mask );
ASSERT( (*rgpio_ints & ~*rgpio_oe) == expected_mask );
}
 
static void test_interrupts( void )
{
unsigned i;
printf( "Testing interrupts\n" );
*rgpio_oe = 0x80000000;
int_count = 0;
*rgpio_inte = 0x7fffffff;
*rgpio_ptrig = 0x7fffffff;
*rgpio_ctrl = RGPIO_CTRL_INTE;
*rgpio_out = 0x80000000;
for ( i = 0; i < 31; ++ i ) {
/* Wait for interrupt */
while ( int_count <= i );
assert_good_interrupt( i + 1, 1LU << i );
clear_interrupt_status();
*rgpio_out = (i % 2) ? 0x80000000 : 0;
}
 
/* Return things to normal */
*rgpio_ctrl = 0;
}
 
static void test_external_clock( void )
{
unsigned i;
printf( "Testing external clock\n" );
 
*rgpio_oe = 0x80000000;
*rgpio_inte = 0x7fffffff;
*rgpio_ptrig = 0x7fffffff;
/* Test positive edge */
int_count = 0;
*rgpio_ctrl = RGPIO_CTRL_INTE;
*rgpio_out = 0x80000000;
for ( i = 0; i < 31; ++ i ) {
while ( int_count <= i );
assert_good_interrupt( i + 1, 1LU << i );
clear_interrupt_status();
*rgpio_out = (i % 2) ? 0x80000000 : 0;
}
 
/* Test negative edge */
int_count = 0;
*rgpio_ctrl = RGPIO_CTRL_INTE | RGPIO_CTRL_NEC;
*rgpio_out = 0x80000000;
for ( i = 0; i < 31; ++ i ) {
while ( int_count <= i );
assert_good_interrupt( i + 1, 1LU << i );
clear_interrupt_status();
*rgpio_out = (i % 2) ? 0x80000000 : 0;
}
 
/* Return things to normal */
*rgpio_ctrl = 0;
}
 
 
static void endshake( void )
{
printf( "Finishing simulation\n" );
*rgpio_oe = 0xffff0000;
*rgpio_out = 0x12340000;
wait_input( 0x12345678 );
*rgpio_oe = 0xffffffff;
*rgpio_out = 0xDeadDead;
}
 
 
int main()
{
printf( "Starting GPIO test\n" );
 
init_interrupts();
test_registers();
test_simple_io();
test_interrupts();
test_external_clock();
endshake();
 
printf( "Ending GPIO test\n" );
report (0xdeaddead);
return 0;
}
 
 
acv-gpio.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: Makefile.am =================================================================== --- Makefile.am (nonexistent) +++ Makefile.am (revision 135) @@ -0,0 +1,37 @@ +# Makefile.am for or1ksim testsuite CPU test program: acv-gpio + +# Copyright (C) Embecosm Limited, 2010 + +# Contributor Jeremy Bennett + +# 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 . */ + +# ----------------------------------------------------------------------------- +# This code is commented throughout for use with Doxygen. +# ----------------------------------------------------------------------------- + + +# A test of the GPIO + +# Currently this test is not working. +check_PROGRAMS = acv-gpio + +acv_gpio_SOURCES = acv-gpio.c + +acv_gpio_LDFLAGS = -T$(srcdir)/../default.ld + +acv_gpio_LDADD = ../except/except.lo \ + ../support/libsupport.la
Makefile.am Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property

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