/*
* 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 <print.h>
#ifdef CONFIG_SYMTAB
#include <symtab.h>
#endif
void dump_istate(istate_t *istate)
{
char *tpcs, *tnpcs;
#ifdef CONFIG_SYMTAB
tpcs = get_symtab_entry(istate->tpc);
tnpcs = get_symtab_entry(istate->tnpc);
#else
tpcs = tnpcs = "n/a";
#endif
printf("TSTATE=%#" PRIx64
"\n", istate
->tstate
); printf("TPC=%#" PRIx64
" (%s)\n", istate
->tpc
, tpcs
); printf("TNPC=%#" PRIx64
" (%s)\n", istate
->tnpc
, tnpcs
); }
/** Handle instruction_access_exception. (0x8) */
void instruction_access_exception(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle instruction_access_error. (0xa) */
void instruction_access_error(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle illegal_instruction. (0x10) */
void illegal_instruction(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle privileged_opcode. (0x11) */
void privileged_opcode(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle unimplemented_LDD. (0x12) */
void unimplemented_LDD(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle unimplemented_STD. (0x13) */
void unimplemented_STD(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __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.", __func__);
dump_istate(istate);
panic("%s.", __func__);
#endif
}
/** Handle fp_exception_ieee_754. (0x21) */
void fp_exception_ieee_754(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle fp_exception_other. (0x22) */
void fp_exception_other(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle tag_overflow. (0x23) */
void tag_overflow(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle division_by_zero. (0x28) */
void division_by_zero(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle data_access_exception. (0x30) */
void data_access_exception(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
dump_sfsr_and_sfar();
panic("%s.", __func__);
}
/** Handle data_access_error. (0x32) */
void data_access_error(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle mem_address_not_aligned. (0x34) */
void mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __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.", __func__);
dump_istate(istate);
panic("%s.", __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.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** Handle privileged_action. (0x37) */
void privileged_action(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
dump_istate(istate);
panic("%s.", __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.", __func__);
dump_istate(istate);
panic("%s.", __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.", __func__);
dump_istate(istate);
panic("%s.", __func__);
}
/** @}
*/