68 lines
3 KiB
C
68 lines
3 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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//----------------------------------------------------------------------------------------------------//
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//! @file libintr.c
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//! API to manipulate interrupt controller and register user handlers for
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//! interrupts in the system
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//----------------------------------------------------------------------------------------------------//
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#include <os_config.h>
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#include <sys/syscall.h>
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#include <sys/intr.h>
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extern void* make_syscall (void *arg1, void *arg2, void *arg3, void *arg4, void *arg5, int syscall_num);
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#ifdef CONFIG_INTC
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unsigned int register_int_handler (int_id_t intr_id, void (*handler)(void*), void *callback)
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{
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return (unsigned int) make_syscall ((void*) (unsigned int)intr_id, (void*)handler, (void*)callback, NULL, NULL, SC_REGISTER_INT_HANDLER);
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}
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void unregister_int_handler (int_id_t intr_id)
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{
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make_syscall ((void*) (unsigned int) intr_id, NULL, NULL, NULL, NULL, SC_UNREGISTER_INT_HANDLER);
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}
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void enable_interrupt (int_id_t intr_id)
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{
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make_syscall ((void*) (unsigned int) intr_id, NULL, NULL, NULL, NULL, SC_ENABLE_INTERRUPT);
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}
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void disable_interrupt (int_id_t intr_id)
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{
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make_syscall ((void*) (unsigned int)intr_id, NULL, NULL, NULL, NULL, SC_DISABLE_INTERRUPT);
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}
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void acknowledge_interrupt (int_id_t intr_id)
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{
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make_syscall ((void*) (unsigned int)intr_id, NULL, NULL, NULL, NULL, SC_ACKNOWLEDGE_INTERRUPT);
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}
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#endif /* CONFIG_INTC */
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