diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c b/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c new file mode 100644 index 0000000000..700b06776d --- /dev/null +++ b/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c @@ -0,0 +1,60 @@ +/* vmeintr.c + * + * VMEbus support routines for the DMV152. + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + +#include <rtems.h> +#include <bsp.h> +#include <vmeintr.h> + +/*PAGE + * + * VME_interrupt_Disable + * + */ + +void VME_interrupt_Disable ( + VME_interrupt_Mask mask /* IN */ +) +{ + volatile rtems_unsigned8 *VME_interrupt_enable; + rtems_unsigned8 value; + + VME_interrupt_enable = ACC_VIE; + value = *VME_interrupt_enable; + + value &= ~mask; /* turn off interrupts for all levels in mask */ + + *VME_interrupt_enable = value; +} + +/*PAGE + * + * VME_interrupt_Enable + * + */ + +void VME_interrupt_Enable ( + VME_interrupt_Mask mask /* IN */ +) +{ + volatile rtems_unsigned8 *VME_interrupt_enable; + rtems_unsigned8 value; + + VME_interrupt_enable = ACC_VIE; + value = *VME_interrupt_enable; + + value |= mask; /* turn on interrupts for all levels in mask */ + + *VME_interrupt_enable = value; +} |