0,0 → 1,220 |
/* |
* 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); |
dump_sfsr_and_sfar(); |
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__); |
} |
|
/** @} |
*/ |