diff options
Diffstat (limited to 'qemu/roms/u-boot/examples/standalone/interrupt.c')
-rw-r--r-- | qemu/roms/u-boot/examples/standalone/interrupt.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/qemu/roms/u-boot/examples/standalone/interrupt.c b/qemu/roms/u-boot/examples/standalone/interrupt.c deleted file mode 100644 index 6e0086015..000000000 --- a/qemu/roms/u-boot/examples/standalone/interrupt.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * (C) Copyright 2006 - * Detlev Zundel, DENX Software Engineering, dzu@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - * - * This is a very simple standalone application demonstrating - * catching IRQs on the MPC52xx architecture. - * - * The interrupt to be intercepted can be specified as an argument - * to the application. Specifying nothing will intercept IRQ1 on the - * MPC5200 platform. On the CR825 carrier board from MicroSys this - * maps to the ABORT switch :) - * - * Note that the specified vector is only a logical number specified - * by the respective header file. - */ - -#include <common.h> -#include <exports.h> -#include <config.h> - -#if defined(CONFIG_MPC5xxx) -#define DFL_IRQ MPC5XXX_IRQ1 -#else -#define DFL_IRQ 0 -#endif - -static void irq_handler (void *arg); - -int interrupt (int argc, char * const argv[]) -{ - int c, irq = -1; - - app_startup (argv); - - if (argc > 1) - irq = simple_strtoul (argv[1], NULL, 0); - if ((irq < 0) || (irq > NR_IRQS)) - irq = DFL_IRQ; - - printf ("Installing handler for irq vector %d and doing busy wait\n", - irq); - printf ("Press 'q' to quit\n"); - - /* Install interrupt handler */ - install_hdlr (irq, irq_handler, NULL); - while ((c = getc ()) != 'q') { - printf ("Ok, ok, I am still alive!\n"); - } - - free_hdlr (irq); - printf ("\nInterrupt handler has been uninstalled\n"); - - return (0); -} - -/* - * Handler for interrupt - */ -static void irq_handler (void *arg) -{ - /* just for demonstration */ - printf ("+"); -} |