#include <__armlib.h>
void __ARMLIB_disableIRQ(void);
__ARMLIB_disableIRQ globally disables the ARM's IRQ interrupts by setting the I bit of the CPSR register.
__ARMLIB_disableIRQ is an ARM specific extension provided by CrossWorks C.
__ARMLIB_enableIRQ __ARMLIB_enableFIQ __ARMLIB_disableFIQ __ARMLIB_isrEnableIRQ __ARMLIB_isrDisableIRQ