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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 sparc64interrupt

 * @{

 */

/** @file

 *

 */

#include <arch/trap/exception.h>

#include <arch/mm/tlb.h>

#include <arch/interrupt.h>

#include <interrupt.h>

#include <arch/asm.h>

#include <arch/register.h>

#include <debug.h>

#include <symtab.h>

#include <print.h>

void dump_istate(istate_t *istate)

{

    printf("TSTATE=%#" PRIx64 "\n", istate->tstate);

    printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));

    printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));

}

/** Handle instruction_access_exception. (0x8) */

void instruction_access_exception(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle instruction_access_error. (0xa) */

void instruction_access_error(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle illegal_instruction. (0x10) */

void illegal_instruction(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle privileged_opcode. (0x11) */

void privileged_opcode(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle unimplemented_LDD. (0x12) */

void unimplemented_LDD(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle unimplemented_STD. (0x13) */

void unimplemented_STD(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle fp_disabled. (0x20) */

void fp_disabled(int n, istate_t *istate)

{

    fprs_reg_t fprs;

    fprs.value = fprs_read();

    if (!fprs.fef) {

        fprs.fef = true;

        fprs_write(fprs.value);

        return;

    }

#ifdef CONFIG_FPU_LAZY

    scheduler_fpu_lazy_request();

#else

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

#endif

}

/** Handle fp_exception_ieee_754. (0x21) */

void fp_exception_ieee_754(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle fp_exception_other. (0x22) */

void fp_exception_other(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle tag_overflow. (0x23) */

void tag_overflow(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle division_by_zero. (0x28) */

void division_by_zero(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle data_access_exception. (0x30) */

void data_access_exception(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    describe_mmu_fault();

    panic("%s\n", __func__);

}

/** Handle data_access_error. (0x32) */

void data_access_error(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle mem_address_not_aligned. (0x34) */

void mem_address_not_aligned(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle LDDF_mem_address_not_aligned. (0x35) */

void LDDF_mem_address_not_aligned(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle STDF_mem_address_not_aligned. (0x36) */

void STDF_mem_address_not_aligned(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle privileged_action. (0x37) */

void privileged_action(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle LDQF_mem_address_not_aligned. (0x38) */

void LDQF_mem_address_not_aligned(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** Handle STQF_mem_address_not_aligned. (0x39) */

void STQF_mem_address_not_aligned(int n, istate_t *istate)

{

    fault_if_from_uspace(istate, "%s\n", __func__);

    dump_istate(istate);

    panic("%s\n", __func__);

}

/** @}

 */