diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/beatnik/irq/irq_test_app.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/beatnik/irq/irq_test_app.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/beatnik/irq/irq_test_app.c b/c/src/lib/libbsp/powerpc/beatnik/irq/irq_test_app.c new file mode 100644 index 0000000000..2a2bfdfb8a --- /dev/null +++ b/c/src/lib/libbsp/powerpc/beatnik/irq/irq_test_app.c @@ -0,0 +1,167 @@ +/* Init + * + * This routine is the initialization task for this test program. + * It is called from init_exec and has the responsibility for creating + * and starting the tasks that make up the test. If the time of day + * clock is required for the test, it should also be set to a known + * value by this function. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * OAR init.c Template modified by T. Straumann who provided + * the implementation of this application. + * + * init.c,v 1.12.4.1 2003/09/04 18:46:30 joel Exp + */ + +#define CONFIGURE_INIT + +#include <rtems.h> + +/* functions */ +rtems_task Init( + rtems_task_argument argument +); + +/* configuration information */ +#include <bsp.h> /* for device driver prototypes */ +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER +#define CONFIGURE_MAXIMUM_TASKS 1 +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE +#define CONFIGURE_USE_MINIIMFS_AS_BASE_FILESYSTEM +#include <confdefs.h> + +#include <stdio.h> +#include <stdlib.h> + +#include <bsp/irq.h> +#include <rtems/bspIo.h> + + +void noop(){} +int connected() {return 1;} + +rtems_irq_connect_data blah = { 0, 0, noop, noop, connected }; +extern void discovery_pic_set_debug_irq(); + +#define WIRE_IRQ (BSP_IRQ_GPP_0 + 6) +#define ABRT_IRQ (BSP_IRQ_GPP_0 + 2) + +static volatile int testno=0; +static volatile int wloops =0; +static volatile int aloops =0; + +void wire_hdl() +{ + if ( 1 == testno ) { + BSP_disable_irq_at_pic(WIRE_IRQ); + } + + if ( 2 == testno || 3 == testno ) { + discovery_pic_set_debug_irq(0); + printk("WIRE -- this message should be printed %s\n", 3==testno ? "FIRST":"SECOND"); + } else { + } + + /* assume the driver checks for less than 1000 loops */ + if ( ++wloops > 1000) { + printk("wire IRQ. FAILURE -- driver couldn't catch runaway ISR. Disabling IRQ source.\n"); + discovery_pic_set_debug_irq(0); + BSP_disable_irq_at_pic(WIRE_IRQ); + } + /* + */ +} + +void abrt_hdl() +{ + aloops++; + if ( 2 == testno || 3 == testno ) { + discovery_pic_set_debug_irq(1); + printk("ABRT -- this message should be printed %s\n", 2==testno ? "FIRST":"SECOND"); + } else + printk("ABRT IRQ\n"); + + if ( 1== testno ) { + BSP_enable_irq_at_pic(WIRE_IRQ); + } + BSP_disable_irq_at_pic(ABRT_IRQ); +} + + +rtems_task Init( + rtems_task_argument ignored +) +{ + blah.name = WIRE_IRQ; + blah.hdl = wire_hdl; + if (!BSP_install_rtems_irq_handler(&blah)) { + fprintf(stderr,"installing handler 1 failed\n"); + } + blah.name = ABRT_IRQ; + blah.hdl = abrt_hdl; + if (!BSP_install_rtems_irq_handler(&blah)) { + fprintf(stderr,"installing handler 2 failed\n"); + } + printf("Hello, testing the ISR dispatcher...\n"); + printf(" 1. Trying to catch runaway interrupt\n"); + printf(" If the system freezes, the test failed!\n"); + fflush(stdout); sleep(1); + aloops = wloops = 0; + discovery_pic_set_debug_irq(1); + printf(" >>> %s\n", wloops<1000 ? "SUCCESS" : "FAILED"); + discovery_pic_set_debug_irq(0); + + testno++; + printf(" 2. Testing enabling / disabling interrupt from ISR\n"); + printf(" Hit the ABORT key for this test\n"); + fflush(stdout); sleep(1); + aloops = wloops = 0; + BSP_disable_irq_at_pic(WIRE_IRQ); + BSP_irq_set_priority(ABRT_IRQ,1); + BSP_enable_irq_at_pic(ABRT_IRQ); + discovery_pic_set_debug_irq(1); + while (!aloops) + ; + discovery_pic_set_debug_irq(0); + sleep(2); + printf(" >>> disabling ABRT IRQ from isr %s\n", 1==aloops ? "SUCCESS":"FAILURE"); + printf(" flashing WIRE IRQ from isr %s\n", 1==wloops ? "SUCCESS":"FAILURE"); + + + testno++; + printf(" 3. Testing interrupt priorities\n"); + BSP_irq_set_priority(ABRT_IRQ,2); + BSP_irq_set_priority(WIRE_IRQ,2); + BSP_enable_irq_at_pic(ABRT_IRQ); + BSP_enable_irq_at_pic(WIRE_IRQ); + printf(" Hit the ABORT key for this test\n"); + fflush(stdout); sleep(1); + aloops = wloops = 0; + while (!aloops) + ; + sleep(2); + testno++; + printf(" Now we are raising the priority of the wire interrupt\n"); + BSP_irq_set_priority(WIRE_IRQ,3); + BSP_enable_irq_at_pic(ABRT_IRQ); + printf(" Hit the ABORT key for this test\n"); + fflush(stdout); sleep(1); + aloops = wloops = 0; + while (!aloops) + ; + + sleep(2); + printf( "That's it; we're done...\n" ); + exit( 0 ); +} |