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431 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
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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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 *
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 * - 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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 * - 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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 * - 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 ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup ia64interrupt
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_ia64_INTERRUPT_H_
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#define KERN_ia64_INTERRUPT_H_
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#include <arch/types.h>
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#include <arch/register.h>
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/** ia64 has 256 INRs. */
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#define INR_COUNT   256
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/*
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 * We need to keep this just to compile.
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 * We might eventually move interrupt/ stuff
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 * to genarch.
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 */
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#define IVT_ITEMS       0
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#define IVT_FIRST       0
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472 jermar 52
/** External Interrupt vectors. */
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#define VECTOR_TLB_SHOOTDOWN_IPI 0xf0
2064 vana 55
#define INTERRUPT_TIMER     255
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#define IRQ_KBD         (0x01 + LEGACY_INTERRUPT_BASE)
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#define IRQ_MOUSE       (0x0c + LEGACY_INTERRUPT_BASE)
433 jermar 58
#define INTERRUPT_SPURIOUS  15
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#define LEGACY_INTERRUPT_BASE   0x20
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472 jermar 61
/** General Exception codes. */
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#define GE_ILLEGALOP        0
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#define GE_PRIVOP       1
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#define GE_PRIVREG      2
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#define GE_RESREGFLD        3
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#define GE_DISBLDISTRAN     4
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#define GE_ILLEGALDEP       8
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435 jermar 69
#define EOI 0       /**< The actual value doesn't matter. */
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2089 decky 71
typedef struct {
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    uint128_t f2;
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    uint128_t f3;
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    uint128_t f4;
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    uint128_t f5;
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    uint128_t f6;
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    uint128_t f7;
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    uint128_t f8;
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    uint128_t f9;
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    uint128_t f10;
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    uint128_t f11;
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    uint128_t f12;
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    uint128_t f13;
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    uint128_t f14;
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    uint128_t f15;
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    uint128_t f16;
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    uint128_t f17;
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    uint128_t f18;
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    uint128_t f19;
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    uint128_t f20;
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    uint128_t f21;
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    uint128_t f22;
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    uint128_t f23;
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    uint128_t f24;
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    uint128_t f25;
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    uint128_t f26;
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    uint128_t f27;
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    uint128_t f28;
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    uint128_t f29;
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    uint128_t f30;
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    uint128_t f31;
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    uintptr_t ar_bsp;
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    uintptr_t ar_bspstore;
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    uintptr_t ar_bspstore_new;
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    uint64_t ar_rnat;
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    uint64_t ar_ifs;
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    uint64_t ar_pfs;
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    uint64_t ar_rsc;
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    uintptr_t cr_ifa;
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    cr_isr_t cr_isr;
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    uintptr_t cr_iipa;
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    psr_t cr_ipsr;
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    uintptr_t cr_iip;
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    uint64_t pr;
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    uintptr_t sp;
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    /*
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     * The following variables are defined only for break_instruction
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     * handler.
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     */
1780 jermar 122
    uint64_t in0;
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    uint64_t in1;
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    uint64_t in2;
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    uint64_t in3;
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    uint64_t in4;
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    uint64_t in5;
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    uint64_t in6;
2089 decky 129
} istate_t;
431 jermar 130
 
1780 jermar 131
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
1288 jermar 132
{
1295 jermar 133
    istate->cr_iip = retaddr;
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    istate->cr_ipsr.ri = 0;     /* return to instruction slot #0 */
1288 jermar 135
}
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1780 jermar 137
static inline unative_t istate_get_pc(istate_t *istate)
1595 palkovsky 138
{
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    return istate->cr_iip;
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}
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1595 palkovsky 142
static inline int istate_from_uspace(istate_t *istate)
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{
1942 jermar 144
    return (istate->cr_iip) < 0xe000000000000000ULL;
1595 palkovsky 145
}
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470 jermar 147
extern void *ivt;
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extern void general_exception(uint64_t vector, istate_t *istate);
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extern int break_instruction(uint64_t vector, istate_t *istate);
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extern void universal_handler(uint64_t vector, istate_t *istate);
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extern void nop_handler(uint64_t vector, istate_t *istate);
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extern void external_interrupt(uint64_t vector, istate_t *istate);
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extern void disabled_fp_register(uint64_t vector, istate_t *istate);
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4342 svoboda 156
extern void trap_virtual_enable_irqs(uint16_t irqmask);
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431 jermar 158
#endif
1702 cejka 159
 
1888 jermar 160
/** @}
1702 cejka 161
 */