/* frv trap support
- Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of the GNU simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-You should have received a copy of the GNU General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
#define WANT_CPU frvbf
#define WANT_CPU_FRVBF
#include "bfd.h"
#include "libiberty.h"
-CGEN_ATTR_VALUE_TYPE frv_current_fm_slot;
+CGEN_ATTR_VALUE_ENUM_TYPE frv_current_fm_slot;
/* The semantic code invokes this for invalid (unrecognized) instructions. */
{
if (sig == sim_core_unaligned_signal)
{
- if (STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr400)
+ if (STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr400
+ || STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr450)
frv_queue_data_access_error_interrupt (current_cpu, addr);
else
frv_queue_mem_address_not_aligned_interrupt (current_cpu, addr);
{
int i;
if (current_cpu != NULL)
- CIA_SET (current_cpu, cia);
+ CPU_PC_SET (current_cpu, cia);
/* Invalidate the insn and data caches of all cpus. */
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
host_callback *cb = STATE_CALLBACK (sd);
USI num = ((base + offset) & 0x7f) + 0x80;
-#ifdef SIM_HAVE_BREAKPOINTS
- /* Check for breakpoints "owned" by the simulator first, regardless
- of --environment. */
- if (num == TRAP_BREAKPOINT)
- {
- /* First try sim-break.c. If it's a breakpoint the simulator "owns"
- it doesn't return. Otherwise it returns and let's us try. */
- sim_handle_breakpoint (sd, current_cpu, pc);
- /* Fall through. */
- }
-#endif
-
if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
{
frv_queue_software_interrupt (current_cpu, num);
if (bfd_find_nearest_line (STATE_PROG_BFD (sd),
STATE_TEXT_SECTION (sd),
- (struct symbol_cache_entry **) 0,
+ (struct bfd_symbol **) 0,
pc - STATE_TEXT_START (sd),
&pc_filename, &pc_function, &pc_linenum)
&& (pc_function || pc_filename))
IADDR pc;
SIM_DESC sd = CPU_STATE (current_cpu);
-#ifdef SIM_HAVE_BREAKPOINTS
- /* First try sim-break.c. If it's a breakpoint the simulator "owns"
- it doesn't return. Otherwise it returns and let's us try. */
- pc = GET_H_PC ();
- sim_handle_breakpoint (sd, current_cpu, pc);
- /* Fall through. */
-#endif
-
if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT)
{
/* Invalidate the insn cache because the debugger will presumably
replace the breakpoint insn with the real one. */
-#ifndef SIM_HAVE_BREAKPOINTS
- pc = GET_H_PC ();
-#endif
sim_engine_halt (sd, current_cpu, NULL, pc, sim_stopped, SIM_SIGTRAP);
}
/* On some machines this generates an illegal_instruction interrupt. */
switch (STATE_ARCHITECTURE (sd)->mach)
{
+ /* Note: there is a discrepancy between V2.2 of the FR400
+ instruction manual and the various FR4xx LSI specs. The former
+ claims that unaligned registers cause an mp_exception while the
+ latter say it's an illegal_instruction. The LSI specs appear
+ to be correct since MTT is fixed at 1. */
case bfd_mach_fr400:
+ case bfd_mach_fr450:
case bfd_mach_fr550:
frv_queue_program_interrupt (current_cpu, FRV_ILLEGAL_INSTRUCTION);
break;
/* On some machines this generates an illegal_instruction interrupt. */
switch (STATE_ARCHITECTURE (sd)->mach)
{
+ /* See comment in frvbf_cr_not_aligned(). */
case bfd_mach_fr400:
+ case bfd_mach_fr450:
case bfd_mach_fr550:
frv_queue_program_interrupt (current_cpu, FRV_ILLEGAL_INSTRUCTION);
break;
/* On some machines this generates an illegal_instruction interrupt. */
switch (STATE_ARCHITECTURE (sd)->mach)
{
+ /* See comment in frvbf_cr_not_aligned(). */
case bfd_mach_fr400:
+ case bfd_mach_fr450:
case bfd_mach_fr550:
frv_queue_program_interrupt (current_cpu, FRV_ILLEGAL_INSTRUCTION);
break;