diff options
| -rw-r--r-- | doc/cpu_supplement/arm.t | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/doc/cpu_supplement/arm.t b/doc/cpu_supplement/arm.t index 88693aa213..304e1e1f0a 100644 --- a/doc/cpu_supplement/arm.t +++ b/doc/cpu_supplement/arm.t @@ -152,10 +152,9 @@ confusion. @subsection Interrupt Levels -The RTEMS interrupt level mapping scheme for the ARM is not a numeric level as -on most RTEMS ports. It is a bit mapping that corresponds the enable bit -postions in the Current Program Status Register (CPSR). There are only two -levels: IRQ enabled and IRQ disabled. +There are exactly two interrupt levels on ARM with respect to RTEMS. Level +zero corresponds to interrupts enabled. Level one corresponds to interrupts +disabled. @subsection Interrupt Stack |