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/*
* 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.
*/
/** @addtogroup ia64interrupt
* @{
*/
/** @file
*/
#ifndef KERN_ia64_INTERRUPT_H_
#define KERN_ia64_INTERRUPT_H_
#include <arch/types.h>
#include <arch/register.h>
/** ia64 has 256 INRs. */
#define INR_COUNT 256
/*
* We need to keep this just to compile.
* We might eventually move interrupt/ stuff
* to genarch.
*/
#define IVT_ITEMS 0
#define IVT_FIRST 0
/** External Interrupt vectors. */
#define INTERRUPT_TIMER 255
#define IRQ_KBD 241
#define IRQ_MOUSE 252
#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. */
typedef struct {
uint128_t f2;
uint128_t f3;
uint128_t f4;
uint128_t f5;
uint128_t f6;
uint128_t f7;
uint128_t f8;
uint128_t f9;
uint128_t f10;
uint128_t f11;
uint128_t f12;
uint128_t f13;
uint128_t f14;
uint128_t f15;
uint128_t f16;
uint128_t f17;
uint128_t f18;
uint128_t f19;
uint128_t f20;
uint128_t f21;
uint128_t f22;
uint128_t f23;
uint128_t f24;
uint128_t f25;
uint128_t f26;
uint128_t f27;
uint128_t f28;
uint128_t f29;
uint128_t f30;
uint128_t f31;
uintptr_t ar_bsp;
uintptr_t ar_bspstore;
uintptr_t ar_bspstore_new;
uint64_t ar_rnat;
uint64_t ar_ifs;
uint64_t ar_pfs;
uint64_t ar_rsc;
uintptr_t cr_ifa;
cr_isr_t cr_isr;
uintptr_t cr_iipa;
psr_t cr_ipsr;
uintptr_t cr_iip;
uint64_t pr;
uintptr_t sp;
/*
* The following variables are defined only for break_instruction
* handler.
*/
uint64_t in0;
uint64_t in1;
uint64_t in2;
uint64_t in3;
uint64_t in4;
uint64_t in5;
uint64_t in6;
} istate_t;
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
{
istate->cr_iip = retaddr;
istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */
}
static inline unative_t istate_get_pc(istate_t *istate)
{
return istate->cr_iip;
}
static inline int istate_from_uspace(istate_t *istate)
{
return (istate->cr_iip) < 0xe000000000000000ULL;
}
extern void *ivt;
extern void general_exception(uint64_t vector, istate_t *istate);
extern int break_instruction(uint64_t vector, istate_t *istate);
extern void universal_handler(uint64_t vector, istate_t *istate);
extern void nop_handler(uint64_t vector, istate_t *istate);
extern void external_interrupt(uint64_t vector, istate_t *istate);
extern void disabled_fp_register(uint64_t vector, istate_t *istate);
#endif
/** @}
*/