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Diffstat (limited to 'docs/platform-interrupt-controller-API.rst')
| -rw-r--r-- | docs/platform-interrupt-controller-API.rst | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/docs/platform-interrupt-controller-API.rst b/docs/platform-interrupt-controller-API.rst index df4139e3d..d5c167339 100644 --- a/docs/platform-interrupt-controller-API.rst +++ b/docs/platform-interrupt-controller-API.rst @@ -243,6 +243,37 @@ In case of ARM standard platforms using GIC, the implementation of the API writes to the GIC *Target Register* (GICv2) or *Route Register* (GICv3) to set the routing. +Function: void plat_ic_set_interrupt_pending(unsigned int id); [optional] +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +:: + + Argument : unsigned int + Return : void + +This API should set the interrupt specified by first parameter ``id`` to +*Pending*. + +In case of ARM standard platforms using GIC, the implementation of the API +inserts barrier to make memory updates visible before setting interrupt pending, +and writes to the GIC *Set Pending Register* to set the interrupt pending +status. + +Function: void plat_ic_clear_interrupt_pending(unsigned int id); [optional] +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +:: + + Argument : unsigned int + Return : void + +This API should clear the *Pending* status of the interrupt specified by first +parameter ``id``. + +In case of ARM standard platforms using GIC, the implementation of the API +writes to the GIC *Clear Pending Register* to clear the interrupt pending +status, and inserts barrier to make memory updates visible afterwards. + ---- *Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.* |