0,0 → 1,126 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#ifndef __ia64_INTERRUPT_H__ |
#define __ia64_INTERRUPT_H__ |
|
#include <typedefs.h> |
#include <arch/types.h> |
#include <arch/register.h> |
|
#define IRQ_COUNT 1 /* TODO */ |
|
/** External Interrupt vectors. */ |
#define INTERRUPT_TIMER 0 |
#define INTERRUPT_SPURIOUS 15 |
|
/** General Exception codes. */ |
#define GE_ILLEGALOP 0 |
#define GE_PRIVOP 1 |
#define GE_PRIVREG 2 |
#define GE_RESREGFLD 3 |
#define GE_DISBLDISTRAN 4 |
#define GE_ILLEGALDEP 8 |
|
#define EOI 0 /**< The actual value doesn't matter. */ |
|
struct istate { |
__r128 f2; |
__r128 f3; |
__r128 f4; |
__r128 f5; |
__r128 f6; |
__r128 f7; |
__r128 f8; |
__r128 f9; |
__r128 f10; |
__r128 f11; |
__r128 f12; |
__r128 f13; |
__r128 f14; |
__r128 f15; |
__r128 f16; |
__r128 f17; |
__r128 f18; |
__r128 f19; |
__r128 f20; |
__r128 f21; |
__r128 f22; |
__r128 f23; |
__r128 f24; |
__r128 f25; |
__r128 f26; |
__r128 f27; |
__r128 f28; |
__r128 f29; |
__r128 f30; |
__r128 f31; |
|
__address ar_bsp; |
__address ar_bspstore; |
__address ar_bspstore_new; |
__u64 ar_rnat; |
__u64 ar_ifs; |
__u64 ar_pfs; |
__u64 ar_rsc; |
__address cr_ifa; |
cr_isr_t cr_isr; |
__address cr_iipa; |
psr_t cr_ipsr; |
__address cr_iip; |
__u64 pr; |
__address sp; |
|
/* |
* The following variables are defined only for break_instruction handler. |
*/ |
__u64 in0; |
__u64 in1; |
__u64 in2; |
__u64 in3; |
__u64 in4; |
}; |
|
static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
{ |
istate->cr_iip = retaddr; |
istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
} |
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extern void *ivt; |
|
extern void general_exception(__u64 vector, istate_t *istate); |
extern int break_instruction(__u64 vector, istate_t *istate); |
extern void universal_handler(__u64 vector, istate_t *istate); |
extern void nop_handler(__u64 vector, istate_t *istate); |
extern void external_interrupt(__u64 vector, istate_t *istate); |
extern void disabled_fp_register(__u64 vector, istate_t *istate); |
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#endif |