diff options
Diffstat (limited to 'sim/fr30/traps.c')
-rw-r--r-- | sim/fr30/traps.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/sim/fr30/traps.c b/sim/fr30/traps.c deleted file mode 100644 index 6852359..0000000 --- a/sim/fr30/traps.c +++ /dev/null @@ -1,218 +0,0 @@ -// OBSOLETE /* fr30 exception, interrupt, and trap (EIT) support -// OBSOLETE Copyright (C) 1998, 1999 Free Software Foundation, Inc. -// OBSOLETE Contributed by Cygnus Solutions. -// OBSOLETE -// OBSOLETE This file is part of the GNU simulators. -// OBSOLETE -// OBSOLETE This program is free software; you can redistribute it and/or modify -// OBSOLETE it under the terms of the GNU General Public License as published by -// OBSOLETE the Free Software Foundation; either version 2, or (at your option) -// OBSOLETE any later version. -// OBSOLETE -// OBSOLETE This program is distributed in the hope that it will be useful, -// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of -// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// OBSOLETE GNU General Public License for more details. -// OBSOLETE -// OBSOLETE You should have received a copy of the GNU General Public License along -// OBSOLETE with this program; if not, write to the Free Software Foundation, Inc., -// OBSOLETE 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -// OBSOLETE -// OBSOLETE #include "sim-main.h" -// OBSOLETE #include "targ-vals.h" -// OBSOLETE #include "cgen-engine.h" -// OBSOLETE -// OBSOLETE /* The semantic code invokes this for invalid (unrecognized) instructions. */ -// OBSOLETE -// OBSOLETE SEM_PC -// OBSOLETE sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc) -// OBSOLETE { -// OBSOLETE SIM_DESC sd = CPU_STATE (current_cpu); -// OBSOLETE -// OBSOLETE #if 0 -// OBSOLETE if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) -// OBSOLETE { -// OBSOLETE h_bsm_set (current_cpu, h_sm_get (current_cpu)); -// OBSOLETE h_bie_set (current_cpu, h_ie_get (current_cpu)); -// OBSOLETE h_bcond_set (current_cpu, h_cond_get (current_cpu)); -// OBSOLETE /* sm not changed */ -// OBSOLETE h_ie_set (current_cpu, 0); -// OBSOLETE h_cond_set (current_cpu, 0); -// OBSOLETE -// OBSOLETE h_bpc_set (current_cpu, cia); -// OBSOLETE -// OBSOLETE sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, -// OBSOLETE EIT_RSVD_INSN_ADDR); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE #endif -// OBSOLETE sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); -// OBSOLETE return vpc; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Process an address exception. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE fr30_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, -// OBSOLETE unsigned int map, int nr_bytes, address_word addr, -// OBSOLETE transfer_type transfer, sim_core_signals sig) -// OBSOLETE { -// OBSOLETE #if 0 -// OBSOLETE if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) -// OBSOLETE { -// OBSOLETE h_bsm_set (current_cpu, h_sm_get (current_cpu)); -// OBSOLETE h_bie_set (current_cpu, h_ie_get (current_cpu)); -// OBSOLETE h_bcond_set (current_cpu, h_cond_get (current_cpu)); -// OBSOLETE /* sm not changed */ -// OBSOLETE h_ie_set (current_cpu, 0); -// OBSOLETE h_cond_set (current_cpu, 0); -// OBSOLETE -// OBSOLETE h_bpc_set (current_cpu, cia); -// OBSOLETE -// OBSOLETE sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, -// OBSOLETE EIT_ADDR_EXCP_ADDR); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE #endif -// OBSOLETE sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, -// OBSOLETE transfer, sig); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Read/write functions for system call interface. */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE syscall_read_mem (host_callback *cb, struct cb_syscall *sc, -// OBSOLETE unsigned long taddr, char *buf, int bytes) -// OBSOLETE { -// OBSOLETE SIM_DESC sd = (SIM_DESC) sc->p1; -// OBSOLETE SIM_CPU *cpu = (SIM_CPU *) sc->p2; -// OBSOLETE -// OBSOLETE return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static int -// OBSOLETE syscall_write_mem (host_callback *cb, struct cb_syscall *sc, -// OBSOLETE unsigned long taddr, const char *buf, int bytes) -// OBSOLETE { -// OBSOLETE SIM_DESC sd = (SIM_DESC) sc->p1; -// OBSOLETE SIM_CPU *cpu = (SIM_CPU *) sc->p2; -// OBSOLETE -// OBSOLETE return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Subroutine of fr30_int to save the PS and PC and setup for INT and INTE. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE setup_int (SIM_CPU *current_cpu, PCADDR pc) -// OBSOLETE { -// OBSOLETE USI ssp = fr30bf_h_dr_get (current_cpu, H_DR_SSP); -// OBSOLETE USI ps = fr30bf_h_ps_get (current_cpu); -// OBSOLETE -// OBSOLETE ssp -= 4; -// OBSOLETE SETMEMSI (current_cpu, pc, ssp, ps); -// OBSOLETE ssp -= 4; -// OBSOLETE SETMEMSI (current_cpu, pc, ssp, pc + 2); -// OBSOLETE fr30bf_h_dr_set (current_cpu, H_DR_SSP, ssp); -// OBSOLETE fr30bf_h_sbit_set (current_cpu, 0); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Trap support. -// OBSOLETE The result is the pc address to continue at. -// OBSOLETE Preprocessing like saving the various registers has already been done. */ -// OBSOLETE -// OBSOLETE USI -// OBSOLETE fr30_int (SIM_CPU *current_cpu, PCADDR pc, int num) -// OBSOLETE { -// OBSOLETE SIM_DESC sd = CPU_STATE (current_cpu); -// OBSOLETE host_callback *cb = STATE_CALLBACK (sd); -// OBSOLETE -// OBSOLETE #ifdef SIM_HAVE_BREAKPOINTS -// OBSOLETE /* Check for breakpoints "owned" by the simulator first, regardless -// OBSOLETE of --environment. */ -// OBSOLETE if (num == TRAP_BREAKPOINT) -// OBSOLETE { -// OBSOLETE /* First try sim-break.c. If it's a breakpoint the simulator "owns" -// OBSOLETE it doesn't return. Otherwise it returns and let's us try. */ -// OBSOLETE sim_handle_breakpoint (sd, current_cpu, pc); -// OBSOLETE /* Fall through. */ -// OBSOLETE } -// OBSOLETE #endif -// OBSOLETE -// OBSOLETE if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) -// OBSOLETE { -// OBSOLETE /* The new pc is the trap vector entry. -// OBSOLETE We assume there's a branch there to some handler. */ -// OBSOLETE USI new_pc; -// OBSOLETE setup_int (current_cpu, pc); -// OBSOLETE fr30bf_h_ibit_set (current_cpu, 0); -// OBSOLETE new_pc = GETMEMSI (current_cpu, pc, -// OBSOLETE fr30bf_h_dr_get (current_cpu, H_DR_TBR) -// OBSOLETE + 1024 - ((num + 1) * 4)); -// OBSOLETE return new_pc; -// OBSOLETE } -// OBSOLETE -// OBSOLETE switch (num) -// OBSOLETE { -// OBSOLETE case TRAP_SYSCALL : -// OBSOLETE { -// OBSOLETE /* TODO: find out what the ABI for this is */ -// OBSOLETE CB_SYSCALL s; -// OBSOLETE -// OBSOLETE CB_SYSCALL_INIT (&s); -// OBSOLETE s.func = fr30bf_h_gr_get (current_cpu, 0); -// OBSOLETE s.arg1 = fr30bf_h_gr_get (current_cpu, 4); -// OBSOLETE s.arg2 = fr30bf_h_gr_get (current_cpu, 5); -// OBSOLETE s.arg3 = fr30bf_h_gr_get (current_cpu, 6); -// OBSOLETE -// OBSOLETE if (s.func == TARGET_SYS_exit) -// OBSOLETE { -// OBSOLETE sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1); -// OBSOLETE } -// OBSOLETE -// OBSOLETE s.p1 = (PTR) sd; -// OBSOLETE s.p2 = (PTR) current_cpu; -// OBSOLETE s.read_mem = syscall_read_mem; -// OBSOLETE s.write_mem = syscall_write_mem; -// OBSOLETE cb_syscall (cb, &s); -// OBSOLETE fr30bf_h_gr_set (current_cpu, 2, s.errcode); /* TODO: check this one */ -// OBSOLETE fr30bf_h_gr_set (current_cpu, 4, s.result); -// OBSOLETE fr30bf_h_gr_set (current_cpu, 1, s.result2); /* TODO: check this one */ -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE -// OBSOLETE case TRAP_BREAKPOINT: -// OBSOLETE sim_engine_halt (sd, current_cpu, NULL, pc, -// OBSOLETE sim_stopped, SIM_SIGTRAP); -// OBSOLETE break; -// OBSOLETE -// OBSOLETE default : -// OBSOLETE { -// OBSOLETE USI new_pc; -// OBSOLETE setup_int (current_cpu, pc); -// OBSOLETE fr30bf_h_ibit_set (current_cpu, 0); -// OBSOLETE new_pc = GETMEMSI (current_cpu, pc, -// OBSOLETE fr30bf_h_dr_get (current_cpu, H_DR_TBR) -// OBSOLETE + 1024 - ((num + 1) * 4)); -// OBSOLETE return new_pc; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Fake an "reti" insn. -// OBSOLETE Since we didn't push anything to stack, all we need to do is -// OBSOLETE update pc. */ -// OBSOLETE return pc + 2; -// OBSOLETE } -// OBSOLETE -// OBSOLETE USI -// OBSOLETE fr30_inte (SIM_CPU *current_cpu, PCADDR pc, int num) -// OBSOLETE { -// OBSOLETE /* The new pc is the trap #9 vector entry. -// OBSOLETE We assume there's a branch there to some handler. */ -// OBSOLETE USI new_pc; -// OBSOLETE setup_int (current_cpu, pc); -// OBSOLETE fr30bf_h_ilm_set (current_cpu, 4); -// OBSOLETE new_pc = GETMEMSI (current_cpu, pc, -// OBSOLETE fr30bf_h_dr_get (current_cpu, H_DR_TBR) -// OBSOLETE + 1024 - ((9 + 1) * 4)); -// OBSOLETE return new_pc; -// OBSOLETE } |