OS_GetIrqCheckFlag


C Specification

#include <nitro/os.h>

OSIrqMask OS_GetIrqCheckFlag( void );

Description

Gets an IRQ check flag

These flags are normally set by the IRQ interrupt handler. For information on the types of flags see OS_SetIrqCheckFlag.

Internal Operation

On the ARM9, the predetermined location (DTCM_END - 8) in DTCM is designated to be the check flag region. This function operates in that region.

In the ARM7, the predetermined location of the ARM7 WRAM (highest address - 8) is designated to be the check flag region. The function operates on this region.

Arguments

None.

Return Values

An IRQ interrupt check flag.

See Also

OS_SetIrqCheckFlag, OS_ClearIrqCheckFlag

Revision History

04/06/2004 Initial version