source: mainline/arch/ia64/src/interrupt_handler.c@ 37e9dbd

/*
 * Copyright (C) 2005 Jakub Vana
 * 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.
 *
 */

#include <panic.h>
#include <print.h>
#include <arch/types.h>
#include <arch/asm.h>
#include <symtab.h>
#include <debug.h>

#define VECTORS_64_BUNDLE       20
#define VECTORS_16_BUNDLE       48
#define VECTORS_16_BUNDLE_START 0x5000
#define VECTOR_MAX              0x7f00

#define BUNDLE_SIZE             16

extern __u64 REG_DUMP;

char *vector_names_64_bundle[VECTORS_64_BUNDLE] = {
        "VHPT Translation vector",
        "Instruction TLB vector",
        "Data TLB vector",
        "Alternate Instruction TLB vector",
        "Alternate Data TLB vector",
        "Data Nested TLB vector",
        "Instruction Key Miss vector",
        "Data Key Miss vector",
        "Dirty-Bit vector",
        "Instruction Access-Bit vector",
        "Data Access-Bit vector"
        "Break Instruction vector",
        "External Interrupt vector"
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved"
};

char *vector_names_16_bundle[VECTORS_16_BUNDLE] = {
        "Page Not Present vector",
        "Key Permission vector",
        "Instruction Access rights vector",
        "Data Access Rights vector",
        "General Exception vector",
        "Disabled FP-Register vector",
        "NaT Consumption vector",
        "Speculation vector",
        "Reserved",
        "Debug vector",
        "Unaligned Reference vector",
        "Unsupported Data Reference vector",
        "Floating-point Fault vector",
        "Floating-point Trap vector",
        "Lower-Privilege Transfer Trap vector",
        "Taken Branch Trap vector",
        "Single STep Trap vector",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "Reserved",
        "IA-32 Exception vector",
        "IA-32 Intercept vector",
        "IA-32 Interrupt vector",
        "Reserved",
        "Reserved",
        "Reserved"
};

static char *vector_to_string(__u16 vector);

char *vector_to_string(__u16 vector)
{
        ASSERT(vector <= VECTOR_MAX);
        
        if (vector >= VECTORS_16_BUNDLE_START)
                return vector_names_16_bundle[(vector-VECTORS_16_BUNDLE_START)/(16*BUNDLE_SIZE)];
        else
                return vector_names_64_bundle[vector/(64*BUNDLE_SIZE)];
}


void general_exception(void);
void general_exception(void)
{
        panic("\nGeneral Exception\n");
}



void break_instruction(void);
void break_instruction(void)
{
        panic("\nBreak Instruction\n");
}

#define cr_dump(r) {__u64 val; get_control_register(r,val); printf("\ncr"#r":%Q",val);}
#define ar_dump(r) {__u64 val; get_aplication_register(r,val); printf("\nar"#r":%Q",val);}

void universal_handler(void);
void universal_handler(void)
{
        __u64 vector,psr,PC;
        __u64 *p;
        int i;
        char *sym;
        
        get_shadow_register(16,vector);

        p=&REG_DUMP;

        for(i=0;i<128;i+=2) printf("gr%d:%Q\tgr%d:%Q\n",i,p[i],i+1,p[i+1]);

        cr_dump(0);     
        cr_dump(1);     
        cr_dump(2);     
        cr_dump(8);     
        cr_dump(16);    
        cr_dump(17);    
        cr_dump(19);get_control_register(19,PC); if(sym=get_symtab_entry(PC)) printf("(%s)",sym);
        cr_dump(20);get_control_register(20,PC); if(sym=get_symtab_entry(PC)) printf("(%s)",sym);       
        cr_dump(21);    
        cr_dump(22);get_control_register(22,PC); if(sym=get_symtab_entry(PC)) printf("(%s)",sym);       
        cr_dump(23);    
        cr_dump(24);    
        cr_dump(25);    
        cr_dump(64);    
        cr_dump(65);    
        cr_dump(66);    
        cr_dump(67);    
        cr_dump(68);    
        cr_dump(69);    
        cr_dump(70);    
        cr_dump(71);    
        cr_dump(72);    
        cr_dump(73);    
        cr_dump(74);    
        cr_dump(80);    
        cr_dump(81);    
        
        ar_dump(0);     
        ar_dump(1);     
        ar_dump(2);     
        ar_dump(3);     
        ar_dump(4);     
        ar_dump(5);     
        ar_dump(6);     
        ar_dump(7);     
        ar_dump(16);    
        ar_dump(17);    
        ar_dump(18);    
        ar_dump(19);    
        ar_dump(21);    
        ar_dump(24);    
        ar_dump(25);    
        ar_dump(26);    
        ar_dump(27);    
        ar_dump(28);    
        ar_dump(29);    
        ar_dump(30);    
        ar_dump(32);    
        ar_dump(36);    
        ar_dump(40);    
        ar_dump(44);    
        ar_dump(64);    
        ar_dump(65);    
        ar_dump(66);    

        get_psr(psr);

        printf("\nPSR:%Q\n",psr);
        
        panic("\nException:%W (%s)\n", (__u16) vector, vector_to_string(vector));
}