60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright 2013 Google 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. The name of the author 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 THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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#ifndef _ARCH_EXCEPTION_H
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#define _ARCH_EXCEPTION_H
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#include <stdint.h>
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void exception_dispatch(u32 idx);
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void set_vbar(uint32_t vbar);
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struct exception_state
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{
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u32 regs[16];
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u32 cpsr;
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} __packed;
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extern struct exception_state exception_state;
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extern u32 exception_stack[];
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extern u32 *exception_stack_end;
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extern struct exception_state *exception_state_ptr;
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enum {
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EXC_UNDEF = 1,
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EXC_SWI = 2,
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EXC_PABORT = 3,
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EXC_DABORT = 4,
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EXC_IRQ = 6,
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EXC_FIQ = 7,
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EXC_COUNT
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};
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#endif
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