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/*
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/*
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 * Copyright (C) 2005 Jakub Jermar
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 * Copyright (C) 2005 Jakub Jermar
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 * Copyright (C) 2005 Jakub Vana
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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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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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <arch/barrier.h>
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#include <arch/barrier.h>
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#include <arch/register.h>
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#include <arch/register.h>
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#include <arch/drivers/it.h>
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#include <arch/drivers/it.h>
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#include <arch.h>
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#include <arch.h>
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#include <symtab.h>
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#include <debug.h>
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#define VECTORS_64_BUNDLE   20
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#define VECTORS_16_BUNDLE   48
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#define VECTORS_16_BUNDLE_START 0x5000
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#define VECTOR_MAX      0x7f00
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#define BUNDLE_SIZE     16
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char *vector_names_64_bundle[VECTORS_64_BUNDLE] = {
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    "VHPT Translation vector",
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    "Instruction TLB vector",
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    "Data TLB vector",
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    "Alternate Instruction TLB vector",
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    "Alternate Data TLB vector",
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    "Data Nested TLB vector",
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    "Instruction Key Miss vector",
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    "Data Key Miss vector",
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    "Dirty-Bit vector",
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    "Instruction Access-Bit vector",
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    "Data Access-Bit vector"
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    "Break Instruction vector",
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void external_interrupt(void)
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    "External Interrupt vector"
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved"
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};
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char *vector_names_16_bundle[VECTORS_16_BUNDLE] = {
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    "Page Not Present vector",
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    "Key Permission vector",
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    "Instruction Access rights vector",
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    "Data Access Rights vector",
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    "General Exception vector",
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    "Disabled FP-Register vector",
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    "NaT Consumption vector",
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    "Speculation vector",
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    "Reserved",
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    "Debug vector",
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    "Unaligned Reference vector",
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    "Unsupported Data Reference vector",
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    "Floating-point Fault vector",
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    "Floating-point Trap vector",
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    "Lower-Privilege Transfer Trap vector",
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    "Taken Branch Trap vector",
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    "Single STep Trap vector",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "Reserved",
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    "IA-32 Exception vector",
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    "IA-32 Intercept vector",
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    "IA-32 Interrupt vector",
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    "Reserved",
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    "Reserved",
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    "Reserved"
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};
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static char *vector_to_string(__u16 vector);
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static void dump_stack(struct exception_regdump *pstate);
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char *vector_to_string(__u16 vector)
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{
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    ASSERT(vector <= VECTOR_MAX);
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    if (vector >= VECTORS_16_BUNDLE_START)
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        return vector_names_16_bundle[(vector-VECTORS_16_BUNDLE_START)/(16*BUNDLE_SIZE)];
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    else
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        return vector_names_64_bundle[vector/(64*BUNDLE_SIZE)];
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}
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void dump_stack(struct exception_regdump *pstate)
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{
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    char *ifa, *iipa, *iip;
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    ifa = get_symtab_entry(pstate->cr_ifa);
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    iipa = get_symtab_entry(pstate->cr_iipa);
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    iip = get_symtab_entry(pstate->cr_iip);
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    putchar('\n');
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    printf("ar.bsp=%P\tar.bspstore=%P\n", pstate->ar_bsp, pstate->ar_bspstore);
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    printf("ar.rnat=%Q\tar.rsc=%Q\n", pstate->ar_rnat, pstate->ar_rsc);
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    printf("ar.ifs=%Q\tar.pfs=%Q\n", pstate->ar_ifs, pstate->ar_pfs);
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    printf("cr.isr=%Q\tcr.ips=%Q\t\n", pstate->cr_isr, pstate->cr_ips);
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    printf("cr.iip=%Q (%s)\n", pstate->cr_iip, iip ? iip : "?");
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    printf("cr.iipa=%Q (%s)\n", pstate->cr_iipa, iipa ? iipa : "?");
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    printf("cr.ifa=%Q (%s)\n", pstate->cr_ifa, ifa ? ifa : "?");
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}
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void general_exception(__u64 vector, struct exception_regdump *pstate)
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{
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    dump_stack(pstate);
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    panic("General Exception\n");
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}
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void break_instruction(__u64 vector, struct exception_regdump *pstate)
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{
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    dump_stack(pstate);
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    panic("Break Instruction\n");
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}
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void universal_handler(__u64 vector, struct exception_regdump *pstate)
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{
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    dump_stack(pstate);
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    panic("Interruption: %W (%s)\n", (__u16) vector, vector_to_string(vector));
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}
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void external_interrupt(__u64 vector, struct exception_regdump *pstate)
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{
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{
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    cr_ivr_t ivr;
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    cr_ivr_t ivr;
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    ivr.value = ivr_read();
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    ivr.value = ivr_read();
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    srlz_d();
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    srlz_d();