0,0 → 1,156 |
/* |
* 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 |
|
/** @} |
*/ |