119 lines
4.4 KiB
ArmAsm
119 lines
4.4 KiB
ArmAsm
/* $NetBSD: irq_dispatch.S,v 1.5 2003/10/30 08:57:24 scw Exp $ */
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/*-
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* Copyright (c) 2002 Fujitsu Component Limited
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* Copyright (c) 2002 Genetec Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Fujitsu Component Limited nor the name of
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* Genetec corporation may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
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* CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
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* CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*-
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* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "assym.s"
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#include <machine/asm.h>
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#include <machine/asmacros.h>
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#include <machine/armreg.h>
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__FBSDID("$FreeBSD$");
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/*
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* irq_entry:
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* Main entry point for the IRQ vector. This is a generic version
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* which can be used by different platforms.
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*/
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.text
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.align 0
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.Lcurrent_intr_depth:
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.word _C_LABEL(current_intr_depth)
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AST_LOCALS
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ASENTRY_NP(irq_entry)
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sub lr, lr, #0x00000004 /* Adjust the lr */
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PUSHFRAMEINSVC /* Push an interrupt frame */
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mov r0, sp /* arg for dispatcher */
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mov r1, #0
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bl _C_LABEL(arm_handler_execute)
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DO_AST
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PULLFRAMEFROMSVCANDEXIT
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movs pc, lr /* Exit */
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.data
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.align 0
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.global _C_LABEL(intrnames), _C_LABEL(sintrnames)
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.global _C_LABEL(intrcnt), _C_LABEL(sintrcnt)
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_C_LABEL(intrnames):
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.space NIRQ * (MAXCOMLEN + 1)
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_C_LABEL(intrcnt):
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.space NIRQ * 4
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_C_LABEL(sintrnames):
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.int NIRQ * (MAXCOMLEN + 1)
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_C_LABEL(sintrcnt):
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.int NIRQ * 4
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.global _C_LABEL(current_intr_depth)
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_C_LABEL(current_intr_depth):
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.word 0
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