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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
Restores the previous interrupt level on the current processor.
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
definition:
default:
attributes: null
body: ${/score/isr/if/local-enable:/name}( ${.:/params[0]/name} )
params:
- ${level:/name} ${.:/params[0]/name}
return: void
variants: []
description: |
This directive restores the interrupt level specified by
${.:/params[0]/name} on the current processor.
enabled-by:
not: RTEMS_SMP
index-entries:
- enable interrupts
- restore interrupt level
interface-type: macro
links:
- role: interface-placement
uid: header
- role: interface-ingroup
uid: group
- role: constraint
uid: /constraint/directive-not-pre-qualified
- role: constraint
uid: /constraint/directive-ctx-any
- role: constraint
uid: /constraint/directive-no-preempt
- role: constraint
uid: /constraint/interrupt-enable
- role: constraint
uid: ../constraint/no-smp
name: rtems_interrupt_enable
notes: |
The ${.:/params[0]/name} parameter value must be obtained by a previous
call to ${disable:/name} or ${flash:/name}. Using an otherwise obtained
value is undefined behaviour.
This directive is unsuitable to enable particular interrupt sources, for
example in an interrupt controller.
params:
- description: |
is the previous interrupt level to restore. The value must be obtained by
a previous call to ${disable:/name} or ${flash:/name}.
dir: in
name: _isr_cookie
return: null
type: interface
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