diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c b/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c new file mode 100644 index 0000000000..212d7eb938 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c @@ -0,0 +1,84 @@ +/* vmeintr.c + * + * VMEbus support routines for the DMV170. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems.h> +#include <bsp.h> +#include <vmeintr.h> + +/* PAGE + * + * VME_interrupt_Disable + * + * This routine disables vme interupts + * + * Input parameters: + * mask - interupt mask + * + * Output parameters: NONE + * + * Return values: NONE + */ + +void VME_interrupt_Disable ( + VME_interrupt_Mask mask /* IN */ +) +{ + volatile rtems_unsigned8 *VME_interrupt_enable; + rtems_unsigned8 value; + +#if 0 + VME_interrupt_enable = ACC_VIE; +#else + VME_interrupt_enable = 0; +#endif + value = *VME_interrupt_enable; + + value &= ~mask; /* turn off interrupts for all levels in mask */ + + *VME_interrupt_enable = value; +} + +/* PAGE + * + * VME_interrupt_Enable + * + * This routine enables vme interupts + * + * Input parameters: + * mask - interupt mask + * + * Output parameters: NONE + * + * Return values: + */ + +void VME_interrupt_Enable ( + VME_interrupt_Mask mask /* IN */ +) +{ + volatile rtems_unsigned8 *VME_interrupt_enable; + rtems_unsigned8 value; + +#if 0 + VME_interrupt_enable = ACC_VIE; +#else + VME_interrupt_enable = 0; +#endif + value = *VME_interrupt_enable; + + value |= mask; /* turn on interrupts for all levels in mask */ + + *VME_interrupt_enable = value; +} |