diff options
Diffstat (limited to 'sim/z8k/iface.c')
| -rw-r--r-- | sim/z8k/iface.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/sim/z8k/iface.c b/sim/z8k/iface.c deleted file mode 100644 index 1b3883ef545..00000000000 --- a/sim/z8k/iface.c +++ /dev/null @@ -1,263 +0,0 @@ -/* gdb->simulator interface. - Copyright (C) 1992, 1993, 1994, 1997 Free Software Foundation, Inc. - -This file is part of Z8KSIM - -Z8KSIM 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. - -Z8KSIM 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 Z8KZIM; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "ansidecl.h" -#include "sim.h" -#include "tm.h" -#include "signal.h" -#include "bfd.h" -#include "callback.h" -#include "remote-sim.h" - -#ifndef NULL -#define NULL 0 -#endif - -host_callback *z8k_callback; - -static SIM_OPEN_KIND sim_kind; -static char *myname; - -void -sim_size (n) - int n; -{ - /* Size is fixed. */ -} - -int -sim_store_register (sd, regno, value, length) - SIM_DESC sd; - int regno; - unsigned char *value; - int length; -{ - /* FIXME: Review the computation of regval. */ - int regval = (value[0] << 24) | (value[1] << 16) | (value[2] << 8) | value[3]; - - tm_store_register (regno, regval); - return -1; -} - -int -sim_fetch_register (sd, regno, buf, length) - SIM_DESC sd; - int regno; - unsigned char *buf; - int length; -{ - tm_fetch_register (regno, buf); - return -1; -} - -int -sim_write (sd, where, what, howmuch) - SIM_DESC sd; - SIM_ADDR where; - unsigned char *what; - int howmuch; -{ - int i; - - for (i = 0; i < howmuch; i++) - tm_write_byte (where + i, what[i]); - return howmuch; -} - -int -sim_read (sd, where, what, howmuch) - SIM_DESC sd; - SIM_ADDR where; - unsigned char *what; - int howmuch; -{ - int i; - - for (i = 0; i < howmuch; i++) - what[i] = tm_read_byte (where + i); - return howmuch; -} - -static void -control_c (sig, code, scp, addr) - int sig; - int code; - char *scp; - char *addr; -{ - tm_exception (SIM_INTERRUPT); -} - -int -sim_stop (sd) - SIM_DESC sd; -{ - tm_exception (SIM_INTERRUPT); - return 1; -} - -void -sim_resume (sd, step, sig) - SIM_DESC sd; - int step; - int sig; -{ - void (*prev) (); - - prev = signal (SIGINT, control_c); - tm_resume (step); - signal (SIGINT, prev); -} - -void -sim_stop_reason (sd, reason, sigrc) - SIM_DESC sd; - enum sim_stop *reason; - int *sigrc; -{ - switch (tm_signal ()) - { - case SIM_DIV_ZERO: - *sigrc = SIGFPE; - break; - case SIM_INTERRUPT: - *sigrc = SIGINT; - break; - case SIM_BAD_INST: - *sigrc = SIGILL; - break; - case SIM_BREAKPOINT: - *sigrc = SIGTRAP; - break; - case SIM_SINGLE_STEP: - *sigrc = SIGTRAP; - break; - case SIM_BAD_SYSCALL: - *sigrc = SIGILL; - break; - case SIM_BAD_ALIGN: - *sigrc = SIGSEGV; - break; - case SIM_DONE: - { - sim_state_type x; - tm_state (&x); - *sigrc = x.regs[2].word & 255; - *reason = sim_exited; - return; - } - default: - abort (); - } - *reason = sim_stopped; -} - -void -sim_info (sd, verbose) - SIM_DESC sd; - int verbose; -{ - sim_state_type x; - - tm_state (&x); - tm_info_print (&x); -} - -SIM_DESC -sim_open (kind, cb, abfd, argv) - SIM_OPEN_KIND kind; - host_callback *cb; - struct _bfd *abfd; - char **argv; -{ - /* FIXME: The code in sim_load that determines the exact z8k arch - should be moved to here */ - - sim_kind = kind; - myname = argv[0]; - z8k_callback = cb; - - /* fudge our descriptor for now */ - return (SIM_DESC) 1; -} - -void -sim_close (sd, quitting) - SIM_DESC sd; - int quitting; -{ - /* nothing to do */ -} - -SIM_RC -sim_load (sd, prog, abfd, from_tty) - SIM_DESC sd; - char *prog; - bfd *abfd; - int from_tty; -{ - extern bfd *sim_load_file (); /* ??? Don't know where this should live. */ - bfd *prog_bfd; - - /* FIXME: The code determining the type of z9k processor should be - moved from here to sim_open. */ - - prog_bfd = sim_load_file (sd, myname, z8k_callback, prog, abfd, - sim_kind == SIM_OPEN_DEBUG, - 0, sim_write); - if (prog_bfd == NULL) - return SIM_RC_FAIL; - if (bfd_get_mach (prog_bfd) == bfd_mach_z8001) - { - extern int sim_z8001_mode; - sim_z8001_mode = 1; - } - /* Close the bfd if we opened it. */ - if (abfd == NULL) - bfd_close (prog_bfd); - return SIM_RC_OK; -} - -SIM_RC -sim_create_inferior (sd, abfd, argv, env) - SIM_DESC sd; - struct _bfd *abfd; - char **argv; - char **env; -{ - if (abfd != NULL) - tm_store_register (REG_PC, bfd_get_start_address (abfd)); - else - tm_store_register (REG_PC, 0); - return SIM_RC_OK; -} - -void -sim_do_command (sd, cmd) - SIM_DESC sd; - char *cmd; -{ -} - -void -sim_set_callbacks (ptr) - host_callback *ptr; -{ - z8k_callback = ptr; -} |