aboutsummaryrefslogtreecommitdiff
path: root/sim/i960/traps.c
diff options
context:
space:
mode:
authorAndrew Cagney <cagney@redhat.com>2004-12-01 15:27:21 +0000
committerAndrew Cagney <cagney@redhat.com>2004-12-01 15:27:21 +0000
commit33841fd962589682168c2eada0f46d46be828fe4 (patch)
treed5f421bd1c8690e683cff05ca4ffb208a31536d0 /sim/i960/traps.c
parent6e56eb075ae1f3f6306df28c64b1a5e92a7273ff (diff)
downloadgdb-33841fd962589682168c2eada0f46d46be828fe4.zip
gdb-33841fd962589682168c2eada0f46d46be828fe4.tar.gz
gdb-33841fd962589682168c2eada0f46d46be828fe4.tar.bz2
Delete i960; deleted from GDB long long ago.
Diffstat (limited to 'sim/i960/traps.c')
-rw-r--r--sim/i960/traps.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/sim/i960/traps.c b/sim/i960/traps.c
deleted file mode 100644
index 570fc95..0000000
--- a/sim/i960/traps.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/* i960 exception, interrupt, and trap (EIT) support
- Copyright (C) 1998, 1999 Free Software Foundation, Inc.
- Contributed by Cygnus Solutions.
-
-This file is part of GDB, the GNU debugger.
-
-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.
-
-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. */
-
-#include "sim-main.h"
-#include "targ-vals.h"
-
-/* The semantic code invokes this for illegal (unrecognized) instructions. */
-
-SEM_PC
-sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc)
-{
- SIM_DESC sd = CPU_STATE (current_cpu);
-
-#if 0
- if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
- {
- h_bsm_set (current_cpu, h_sm_get (current_cpu));
- h_bie_set (current_cpu, h_ie_get (current_cpu));
- h_bcond_set (current_cpu, h_cond_get (current_cpu));
- /* sm not changed */
- h_ie_set (current_cpu, 0);
- h_cond_set (current_cpu, 0);
-
- h_bpc_set (current_cpu, cia);
-
- sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
- EIT_RSVD_INSN_ADDR);
- }
- else
-#endif
- sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL);
- return vpc;
-}
-
-/* Process an address exception. */
-
-void
-i960_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia,
- unsigned int map, int nr_bytes, address_word addr,
- transfer_type transfer, sim_core_signals sig)
-{
-#if 0
- if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
- {
- h_bsm_set (current_cpu, h_sm_get (current_cpu));
- h_bie_set (current_cpu, h_ie_get (current_cpu));
- h_bcond_set (current_cpu, h_cond_get (current_cpu));
- /* sm not changed */
- h_ie_set (current_cpu, 0);
- h_cond_set (current_cpu, 0);
-
- h_bpc_set (current_cpu, cia);
-
- sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
- EIT_ADDR_EXCP_ADDR);
- }
- else
-#endif
- sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr,
- transfer, sig);
-}
-
-/* Read/write functions for system call interface. */
-
-static int
-syscall_read_mem (host_callback *cb, struct cb_syscall *sc,
- unsigned long taddr, char *buf, int bytes)
-{
- SIM_DESC sd = (SIM_DESC) sc->p1;
- SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
- return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes);
-}
-
-static int
-syscall_write_mem (host_callback *cb, struct cb_syscall *sc,
- unsigned long taddr, const char *buf, int bytes)
-{
- SIM_DESC sd = (SIM_DESC) sc->p1;
- SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
- return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes);
-}
-
-/* Trap support.
- The result is the pc address to continue at.
- Preprocessing like saving the various registers has already been done. */
-
-USI
-i960_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
-{
- SIM_DESC sd = CPU_STATE (current_cpu);
- host_callback *cb = STATE_CALLBACK (sd);
-
-#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 0
- /* ??? wilson, don't know what this does. */
- if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
- {
- /* The new pc is the trap vector entry.
- We assume there's a branch there to some handler. */
- USI new_pc = EIT_TRAP_BASE_ADDR + num * 4;
- return new_pc;
- }
-#endif
-
- switch (num)
- {
- default:
- case TRAP_SYSCALL :
- {
- CB_SYSCALL s;
-
- CB_SYSCALL_INIT (&s);
- s.func = num;
- s.arg1 = a_i960_h_gr_get (current_cpu, 16);
- s.arg2 = a_i960_h_gr_get (current_cpu, 17);
- s.arg3 = a_i960_h_gr_get (current_cpu, 18);
-
- if (s.func == TARGET_SYS_exit)
- {
- sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1);
- }
-
- s.p1 = (PTR) sd;
- s.p2 = (PTR) current_cpu;
- s.read_mem = syscall_read_mem;
- s.write_mem = syscall_write_mem;
- cb_syscall (cb, &s);
- /* ??? This stuff is probably wrong, but libgloss doesn't look at
- these values, so it shouldn't matter. */
- a_i960_h_gr_set (current_cpu, 18, s.errcode);
- a_i960_h_gr_set (current_cpu, 16, s.result);
- a_i960_h_gr_set (current_cpu, 17, s.result2);
- break;
- }
-
- case TRAP_BREAKPOINT:
- sim_engine_halt (sd, current_cpu, NULL, NULL_CIA,
- sim_stopped, SIM_SIGTRAP);
- break;
-
-#if 0
- /* ??? wilson, don't know what this does. */
- default :
- {
- USI new_pc = EIT_TRAP_BASE_ADDR + num * 4;
- return new_pc;
- }
-#endif
- }
-
- /* Fake an "rte" insn. */
- /* FIXME: Should duplicate all of rte processing. */
- return (pc & -4) + 4;
-}
-
-/* Breakpoint support.
- The result is the pc address to continue at. */
-/* ??? This is an editted copy of the above. */
-
-USI
-i960_breakpoint (SIM_CPU *current_cpu, PCADDR pc)
-{
- SIM_DESC sd = CPU_STATE (current_cpu);
- host_callback *cb = STATE_CALLBACK (sd);
-
-#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
-
- sim_engine_halt (sd, current_cpu, NULL, NULL_CIA,
- sim_stopped, SIM_SIGTRAP);
-
- /* Fake an "rte" insn. */
- /* FIXME: Should duplicate all of rte processing. */
- return (pc & -4) + 4;
-}