diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 10 | ||||
| -rw-r--r-- | gdb/Makefile.in | 5 | ||||
| -rw-r--r-- | gdb/README | 1 | ||||
| -rw-r--r-- | gdb/config/djgpp/fnchange.lst | 1 | ||||
| -rw-r--r-- | gdb/config/m68k/es1800.mt | 9 | ||||
| -rw-r--r-- | gdb/configure.tgt | 1 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 13 | ||||
| -rw-r--r-- | gdb/remote-es.c | 2047 |
9 files changed, 15 insertions, 2076 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ec0621b14bf..a01a894386d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,13 @@ +2003-01-31 Andrew Cagney <ac131313@redhat.com> + + * README: Remove reference to Ericsson 1800 monitor. + * Makefile.in (remote-es.o): Delete rule. + (ALLDEPFILES): Delete remote-es.c. + * remote-es.c: Delete file. + * config/m68k/es1800.mt: Delete file. + * config/djgpp/fnchange.lst: Update. + * configure.tgt: Delete m68*-ericsson-* target. + 2003-01-31 Adam Fedor <fedor@gnu.org> * infrun.c (handle_inferior_event): Rename 'tmp' to real_stop_pc. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index c2bc8e172c0..d7c6a06fc94 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1384,7 +1384,7 @@ ALLDEPFILES = a68v-nat.c \ ppcnbsd-nat.o ppcnbsd-tdep.o \ procfs.c \ remote-array.c remote-e7000.c \ - remote-es.c remote-hms.c remote-mips.c \ + remote-hms.c remote-mips.c \ remote-rdp.c remote-sim.c \ remote-st.c remote-utils.c dcache.c \ remote-vx.c \ @@ -2046,9 +2046,6 @@ remote-array.o: remote-array.c $(defs_h) $(gdbcore_h) $(target_h) \ remote-e7000.o: remote-e7000.c $(defs_h) $(gdbcore_h) $(gdbarch_h) \ $(inferior_h) $(target_h) $(value_h) $(command_h) $(gdb_string_h) \ $(gdbcmd_h) $(serial_h) $(remote_utils_h) $(symfile_h) $(regcache_h) -remote-es.o: remote-es.c $(defs_h) $(gdb_string_h) $(frame_h) $(inferior_h) \ - $(target_h) $(command_h) $(symfile_h) $(remote_utils_h) $(gdbcore_h) \ - $(serial_h) $(regcache_h) $(value_h) remote-est.o: remote-est.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ $(serial_h) $(regcache_h) $(m68k_tdep_h) remote-hms.o: remote-hms.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ diff --git a/gdb/README b/gdb/README index 97224c75e01..a8b4b82f3ef 100644 --- a/gdb/README +++ b/gdb/README @@ -464,7 +464,6 @@ monitors and other hardware: remote-array.c Array Tech RAID controller remote-e7000.c Hitachi E7000 ICE - remote-es.c Ericsson 1800 monitor remote-est.c EST emulator remote-hms.c Hitachi Micro Systems H8/300 monitor remote-mips.c MIPS remote debugging protocol diff --git a/gdb/config/djgpp/fnchange.lst b/gdb/config/djgpp/fnchange.lst index 813fd2d9fb4..151c47a41fa 100644 --- a/gdb/config/djgpp/fnchange.lst +++ b/gdb/config/djgpp/fnchange.lst @@ -172,7 +172,6 @@ @V@/gdb/remote-array.c @V@/gdb/rmt-array.c @V@/gdb/remote-e7000.c @V@/gdb/rmt-e7000.c @V@/gdb/remote-eb.c @V@/gdb/rmt-eb.c -@V@/gdb/remote-es.c @V@/gdb/rmt-es.c @V@/gdb/remote-est.c @V@/gdb/rmt-est.c @V@/gdb/remote-mips.c @V@/gdb/emt-mips.c @V@/gdb/remote-mm.c @V@/gdb/emt-mm.c diff --git a/gdb/config/m68k/es1800.mt b/gdb/config/m68k/es1800.mt deleted file mode 100644 index d809c610718..00000000000 --- a/gdb/config/m68k/es1800.mt +++ /dev/null @@ -1,9 +0,0 @@ -# Target: Ericsson ES-1800 emulator (remote) for m68k. - -# remote-es.o should perhaps be part of the standard monitor.mt -# configuration, if it is desirable to reduce the number of different -# configurations. However, before that happens remote-es.c has to be -# fixed to compile on a DOS host. - -TDEPFILES= m68k-tdep.o remote-es.o -TM_FILE= tm-es1800.h diff --git a/gdb/configure.tgt b/gdb/configure.tgt index 76b9b12578e..488b41f89e2 100644 --- a/gdb/configure.tgt +++ b/gdb/configure.tgt @@ -126,7 +126,6 @@ m68000-*-sunos4*) gdb_target=sun2os4 ;; m68*-bull-sysv*) gdb_target=dpx2 ;; m68*-att-*) gdb_target=3b1 ;; m68*-cisco*-*) gdb_target=cisco ;; -m68*-ericsson-*) gdb_target=es1800 ;; m68*-motorola-*) gdb_target=delta68 ;; m68*-netx-*) gdb_target=vxworks68 ;; m68*-tandem-*) gdb_target=st2000 ;; diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 30d09cc2c94..a4b7ec24f6b 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -5,6 +5,10 @@ 2003-01-29 Andrew Cagney <ac131313@redhat.com> + * gdb.texinfo (M68K): Delete reference to es1800. + +2003-01-29 Andrew Cagney <ac131313@redhat.com> + * gdb.texinfo (Maintenance Commands): Document `maint print reggroups' and `maint print register-groups'. * gdbint.texinfo (Target Architecture Definition): Document diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 8626e3d220a..58c254d6bb7 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -11831,19 +11831,6 @@ ROM 68K monitor, running on an M68K IDP board. @end table -If @value{GDBN} is configured with @code{m68*-ericsson-*}, it will -instead have only a single special target command: - -@table @code - -@kindex target es1800 -@item target es1800 @var{dev} -ES-1800 emulator for M68K. - -@end table - -[context?] - @table @code @kindex target rombug diff --git a/gdb/remote-es.c b/gdb/remote-es.c deleted file mode 100644 index 39e50ff8bc0..00000000000 --- a/gdb/remote-es.c +++ /dev/null @@ -1,2047 +0,0 @@ -/* Memory-access and commands for remote es1800 processes, for GDB. - - Copyright 1988, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, - 2001, 2002 Free Software Foundation, Inc. - - This file is added to GDB to make it possible to do debugging via an - ES-1800 emulator. The code was originally written by Johan Holmberg - TT/SJ Ericsson Telecom AB and later modified by Johan Henriksson - TT/SJ. It was modified for gdb 4.0 by TX/DK Jan Nordenand by TX/DKG - Harald Johansen. - - This file is part of GDB. - - GDB 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 1, or (at your option) - any later version. - - GDB 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. */ - - -/* Emulator communication protocol. - All values are encoded in ascii hex digits. - - Request - Command - Reply - read registers: - DR<cr> - - 0 - - 1 - - 2 - - 3 - - 4 - - 5 - -- 6 - - 7 - - D = XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX - A = XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX - PC = XXXXXX SSP = XXXXXX USP = XXXXXX SR = XXXXXXXX - > - Each byte of register data is described by two hex digits. - - write regs - D0=XXXXXXXX<cr> - >D1=XXXXXXXX<cr> - >D2=XXXXXXXX<cr> - >D3=XXXXXXXX<cr> - >D4=XXXXXXXX<cr> - >D5=XXXXXXXX<cr> - >D6=XXXXXXXX<cr> - >D7=XXXXXXXX<cr> - >A0=XXXXXXXX<cr> - >A1=XXXXXXXX<cr> - >A2=XXXXXXXX<cr> - >A3=XXXXXXXX<cr> - >A4=XXXXXXXX<cr> - >A5=XXXXXXXX<cr> - >A6=XXXXXXXX<cr> - >A7=XXXXXXXX<cr> - >SR=XXXXXXXX<cr> - >PC=XXXXXX<cr> - > - Each byte of register data is described by two hex digits. - - read mem - @.BAA..AA - $FFFFFFXX - > - AA..AA is address, XXXXXXX is the contents - - write mem - @.BAA..AA=$XXXXXXXX - > - AA..AA is address, XXXXXXXX is data - - cont - PC=$AA..AA - >RBK - R> - AA..AA is address to resume. If AA..AA is omitted, resume at same address. - - step - PC=$AA..AA - >STP - R> - AA..AA is address to resume. If AA..AA is omitted, resume at same address. - - kill req - STP - > - */ - - -#include <stdio.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sys/file.h> -#include <errno.h> -#include <ctype.h> -#include <setjmp.h> -#include <fcntl.h> -#include "defs.h" -#include "gdb_string.h" -#include "frame.h" -#include "inferior.h" -#include "target.h" -#include "command.h" -#include "symfile.h" -#include "remote-utils.h" -#include "gdbcore.h" -#include "serial.h" -#include "regcache.h" -#include "value.h" - -/* Prototypes for local functions */ - -static void es1800_child_detach (char *, int); - -static void es1800_child_open (char *, int); - -static void es1800_transparent (char *, int); - -static void es1800_create_inferior (char *, char *, char **); - -static void es1800_load (char *, int); - -static void es1800_kill (void); - -static int verify_break (int); - -static int es1800_remove_breakpoint (CORE_ADDR, char *); - -static int es1800_insert_breakpoint (CORE_ADDR, char *); - -static void es1800_files_info (struct target_ops *); - -static int es1800_xfer_inferior_memory (CORE_ADDR, char *, int, int, - struct mem_attrib *, - struct target_ops *); - -static void es1800_prepare_to_store (void); - -static ptid_t es1800_wait (ptid_t, struct target_waitstatus *); - -static void es1800_resume (ptid_t, int, enum target_signal); - -static void es1800_detach (char *, int); - -static void es1800_attach (char *, int); - -static int damn_b (char *); - -static void es1800_open (char *, int); - -static void es1800_timer (void); - -static void es1800_reset (char *); - -static void es1800_request_quit (void); - -static int readchar (void); - -static void expect (char *, int); - -static void expect_prompt (void); - -static void download (FILE *, int, int); - -#if 0 -static void bfd_copy (bfd *, bfd *); -#endif - -static void get_break_addr (int, CORE_ADDR *); - -static int fromhex (int); - -static int tohex (int); - -static void es1800_close (int); - -static void es1800_fetch_registers (void); - -static void es1800_fetch_register (int); - -static void es1800_store_register (int); - -static void es1800_read_bytes (CORE_ADDR, char *, int); - -static void es1800_write_bytes (CORE_ADDR, char *, int); - -static void send_with_reply (char *, char *, int); - -static void send_command (char *); - -static void send (char *); - -static void getmessage (char *, int); - -static void es1800_mourn_inferior (void); - -static void es1800_create_break_insn (char *, int); - -static void es1800_init_break (char *, int); - -/* Local variables */ - -/* FIXME: Convert this to use "set remotedebug" instead. */ -#define LOG_FILE "es1800.log" -#if defined (LOG_FILE) -static FILE *log_file; -#endif - -extern struct target_ops es1800_ops; /* Forward decl */ -extern struct target_ops es1800_child_ops; /* Forward decl */ - -static int kiodebug; -static int timeout = 100; -static char *savename; /* Name of i/o device used */ -static serial_ttystate es1800_saved_ttystate; -static int es1800_fc_save; /* Save fcntl state */ - -/* indicates that the emulator uses 32-bit data-adress (68020-mode) - instead of 24-bit (68000 -mode) */ - -static int m68020; - -#define MODE (m68020 ? "M68020" : "M68000" ) -#define ES1800_BREAK_VEC (0xf) - -/* Descriptor for I/O to remote machine. Initialize it to NULL so that - es1800_open knows that we don't have a file open when the program - starts. */ - -static struct serial *es1800_desc = NULL; - -#define PBUFSIZ 1000 -#define HDRLEN sizeof("@.BAAAAAAAA=$VV\r") - -/* Maximum number of bytes to read/write at once. The value here - is chosen to fill up a packet. */ - -#define MAXBUFBYTES ((PBUFSIZ-150)*16/75 ) - -static int es1800_break_vec = 0; -static char es1800_break_insn[2]; -static long es1800_break_address; -static void (*old_sigint) (); /* Old signal-handler for sigint */ -static jmp_buf interrupt; - -/* Local signalhandler to allow breaking tranfers or program run. - Rely on global variables: old_sigint(), interrupt */ - -static void -es1800_request_quit (void) -{ - /* restore original signalhandler */ - signal (SIGINT, old_sigint); - longjmp (interrupt, 1); -} - - -/* Reset emulator. - Sending reset character(octal 32) to emulator. - quit - return to '(esgdb)' prompt or continue */ - -static void -es1800_reset (char *quit) -{ - char buf[80]; - - if (quit) - { - printf ("\nResetting emulator... "); - } - strcpy (buf, "\032"); - send (buf); - expect_prompt (); - if (quit) - { - error ("done\n"); - } -} - - -/* Open a connection to a remote debugger and push the new target - onto the stack. Check if the emulator is responding and find out - what kind of processor the emulator is connected to. - Initiate the breakpoint handling in the emulator. - - name - the filename used for communication (ex. '/dev/tta') - from_tty - says whether to be verbose or not */ - -static void -es1800_open (char *name, int from_tty) -{ - char buf[PBUFSIZ]; - char *p; - int i, fcflag; - - m68020 = 0; - - if (!name) /* no device name given in target command */ - { - error_no_arg ("serial port device name"); - } - - target_preopen (from_tty); - es1800_close (0); - - /* open the device and configure it for communication */ - -#ifndef DEBUG_STDIN - - es1800_desc = serial_open (name); - if (es1800_desc == NULL) - { - perror_with_name (name); - } - savename = savestring (name, strlen (name)); - - es1800_saved_ttystate = serial_get_tty_state (es1800_desc); - - if ((fcflag = fcntl (deprecated_serial_fd (es1800_desc), F_GETFL, 0)) == -1) - { - perror_with_name ("fcntl serial"); - } - es1800_fc_save = fcflag; - - fcflag = (fcflag & (FREAD | FWRITE)); /* mask out any funny stuff */ - if (fcntl (deprecated_serial_fd (es1800_desc), F_SETFL, fcflag) == -1) - { - perror_with_name ("fcntl serial"); - } - - if (baud_rate != -1) - { - if (serial_setbaudrate (es1800_desc, baud_rate)) - { - serial_close (es1800_desc); - perror_with_name (name); - } - } - - serial_raw (es1800_desc); - - /* If there is something sitting in the buffer we might take it as a - response to a command, which would be bad. */ - serial_flush_input (es1800_desc); - -#endif /* DEBUG_STDIN */ - - push_target (&es1800_ops); /* Switch to using remote target now */ - if (from_tty) - { - printf ("Remote ES1800 debugging using %s\n", name); - } - -#if defined (LOG_FILE) - - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - { - perror_with_name (LOG_FILE); - } - -#endif /* LOG_FILE */ - - /* Hello? Are you there?, also check mode */ - - /* send_with_reply( "DB 0 TO 1", buf, sizeof(buf)); */ - /* for (p = buf, i = 0; *p++ =='0';) *//* count the number of zeros */ - /* i++; */ - - send ("\032"); - getmessage (buf, sizeof (buf)); /* send reset character */ - - if (from_tty) - { - printf ("Checking mode.... "); - } - /* m68020 = (i==8); *//* if eight zeros then we are in m68020 mode */ - - /* What kind of processor am i talking to ? */ - p = buf; - while (*p++ != '\n') - {; - } - while (*p++ != '\n') - {; - } - while (*p++ != '\n') - {; - } - for (i = 0; i < 20; i++, p++) - {; - } - m68020 = !strncmp (p, "68020", 5); - if (from_tty) - { - printf ("You are in %s(%c%c%c%c%c)-mode\n", MODE, p[0], p[1], p[2], - p[3], p[4]); - } - - /* if no init_break statement is present in .gdb file we have to check - whether to download a breakpoint routine or not */ - -#if 0 - if ((es1800_break_vec == 0) || (verify_break (es1800_break_vec) != 0) - && query ("No breakpoint routine in ES 1800 emulator!\nDownload a breakpoint routine to the emulator? ")) - { - CORE_ADDR memaddress; - printf ("Give the start address of the breakpoint routine: "); - scanf ("%li", &memaddress); - es1800_init_break ((es1800_break_vec ? es1800_break_vec : - ES1800_BREAK_VEC), memaddress); - } -#endif - -} - -/* Close out all files and local state before this target loses control. - quitting - are we quitting gdb now? */ - -static void -es1800_close (int quitting) -{ - if (es1800_desc != NULL) - { - printf ("\nClosing connection to emulator...\n"); - if (serial_set_tty_state (es1800_desc, es1800_saved_ttystate) < 0) - print_sys_errmsg ("warning: unable to restore tty state", errno); - fcntl (deprecated_serial_fd (es1800_desc), F_SETFL, es1800_fc_save); - serial_close (es1800_desc); - es1800_desc = NULL; - } - if (savename != NULL) - { - xfree (savename); - } - savename = NULL; - -#if defined (LOG_FILE) - - if (log_file != NULL) - { - if (ferror (log_file)) - { - printf ("Error writing log file.\n"); - } - if (fclose (log_file) != 0) - { - printf ("Error closing log file.\n"); - } - log_file = NULL; - } - -#endif /* LOG_FILE */ - -} - -/* Attaches to a process on the target side - proc_id - the id of the process to be attached. - from_tty - says whether to be verbose or not */ - -static void -es1800_attach (char *args, int from_tty) -{ - error ("Cannot attach to pid %s, this feature is not implemented yet.", - args); -} - - -/* Takes a program previously attached to and detaches it. - We better not have left any breakpoints - in the program or it'll die when it hits one. - Close the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. - - args - arguments given to the 'detach' command - from_tty - says whether to be verbose or not */ - -static void -es1800_detach (char *args, int from_tty) -{ - if (args) - { - error ("Argument given to \"detach\" when remotely debugging."); - } - pop_target (); - if (from_tty) - { - printf ("Ending es1800 remote debugging.\n"); - } -} - - -/* Tell the remote machine to resume. - step - single-step or run free - siggnal - the signal value to be given to the target (0 = no signal) */ - -static void -es1800_resume (ptid_t ptid, int step, enum target_signal siggnal) -{ - char buf[PBUFSIZ]; - - if (siggnal) - { - error ("Can't send signals to a remote system."); - } - if (step) - { - strcpy (buf, "STP\r"); - send (buf); - } - else - { - send_command ("RBK"); - } -} - -/* Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. - status - */ - -static ptid_t -es1800_wait (ptid_t ptid, struct target_waitstatus *status) -{ - unsigned char buf[PBUFSIZ]; - int old_timeout = timeout; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - - timeout = 0; /* Don't time out -- user program is running. */ - if (!setjmp (interrupt)) - { - old_sigint = signal (SIGINT, es1800_request_quit); - while (1) - { - getmessage (buf, sizeof (buf)); - if (strncmp (buf, "\r\n* BREAK *", 11) == 0) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - send_command ("STP"); /* Restore stack and PC and such */ - if (m68020) - { - send_command ("STP"); - } - break; - } - if (strncmp (buf, "STP\r\n ", 6) == 0) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - break; - } - if (buf[strlen (buf) - 2] == 'R') - { - printf ("Unexpected emulator reply: \n%s\n", buf); - } - else - { - printf ("Unexpected stop: \n%s\n", buf); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_QUIT; - break; - } - } - } - else - { - fflush (stdin); - printf ("\nStopping emulator..."); - if (!setjmp (interrupt)) - { - old_sigint = signal (SIGINT, es1800_request_quit); - send_command ("STP"); - printf (" emulator stopped\n"); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_INT; - } - else - { - fflush (stdin); - es1800_reset ((char *) 1); - } - } - signal (SIGINT, old_sigint); - timeout = old_timeout; - return inferior_ptid; -} - - -/* Fetch register values from remote machine. - regno - the register to be fetched (fetch all registers if -1) */ - -static void -es1800_fetch_register (int regno) -{ - char buf[PBUFSIZ]; - int k; - int r; - char *p; - static char regtab[18][4] = - { - "D0 ", "D1 ", "D2 ", "D3 ", "D4 ", "D5 ", "D6 ", "D7 ", - "A0 ", "A1 ", "A2 ", "A3 ", "A4 ", "A5 ", "A6 ", "SSP", - "SR ", "PC " - }; - - if ((regno < 15) || (regno == 16) || (regno == 17)) - { - r = regno * 4; - send_with_reply (regtab[regno], buf, sizeof (buf)); - p = buf; - for (k = 0; k < 4; k++) - { - if ((p[k * 2 + 1] == 0) || (p[k * 2 + 2] == 0)) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = (fromhex (p[k * 2 + 1]) * 16) + fromhex (p[k * 2 + 2]); - } - } - else - { - es1800_fetch_registers (); - } -} - -/* Read the remote registers into REGISTERS. - Always fetches all registers. */ - -static void -es1800_fetch_registers (void) -{ - char buf[PBUFSIZ]; - char SR_buf[PBUFSIZ]; - int i; - int k; - int r; - char *p; - - send_with_reply ("DR", buf, sizeof (buf)); - - /* Reply is edited to a string that describes registers byte by byte, - each byte encoded as two hex characters. */ - - p = buf; - r = 0; - - /* parsing row one - D0-D7-registers */ - - while (*p++ != '\n') - {; - } - for (i = 4; i < 70; i += (i == 39 ? 3 : 1)) - { - for (k = 0; k < 4; k++) - { - if (p[i + 0] == 0 || p[i + 1] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = (fromhex (p[i + 0]) * 16) + fromhex (p[i + 1]); - i += 2; - } - } - p += i; - - /* parsing row two - A0-A6-registers */ - - while (*p++ != '\n') - {; - } - for (i = 4; i < 61; i += (i == 39 ? 3 : 1)) - { - for (k = 0; k < 4; k++) - { - if (p[i + 0] == 0 || p[i + 1] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = (fromhex (p[i + 0])) * 16 + fromhex (p[i + 1]); - i += 2; - } - } - p += i; - - while (*p++ != '\n') - {; - } - - /* fetch SSP-, SR- and PC-registers */ - - /* first - check STATUS-word and decide which stackpointer to use */ - - send_with_reply ("SR", SR_buf, sizeof (SR_buf)); - p = SR_buf; - p += 5; - - if (m68020) - { - if (*p == '3') /* use masterstackpointer MSP */ - { - send_with_reply ("MSP", buf, sizeof (buf)); - } - else if (*p == '2') /* use interruptstackpointer ISP */ - { - send_with_reply ("ISP", buf, sizeof (buf)); - } - else - /* use userstackpointer USP */ - { - send_with_reply ("USP", buf, sizeof (buf)); - } - p = buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = fromhex (buf[k * 2 + 1]) * 16 + fromhex (buf[k * 2 + 2]); - } - - p = SR_buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = - fromhex (SR_buf[k * 2 + 1]) * 16 + fromhex (SR_buf[k * 2 + 2]); - } - send_with_reply ("PC", buf, sizeof (buf)); - p = buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = fromhex (buf[k * 2 + 1]) * 16 + fromhex (buf[k * 2 + 2]); - } - } - else - /* 68000-mode */ - { - if (*p == '2') /* use supervisorstackpointer SSP */ - { - send_with_reply ("SSP", buf, sizeof (buf)); - } - else - /* use userstackpointer USP */ - { - send_with_reply ("USP", buf, sizeof (buf)); - } - - /* fetch STACKPOINTER */ - - p = buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = fromhex (buf[k * 2 + 1]) * 16 + fromhex (buf[k * 2 + 2]); - } - - /* fetch STATUS */ - - p = SR_buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = - fromhex (SR_buf[k * 2 + 1]) * 16 + fromhex (SR_buf[k * 2 + 2]); - } - - /* fetch PC */ - - send_with_reply ("PC", buf, sizeof (buf)); - p = buf; - for (k = 0; k < 4; k++) - { - if (p[k * 2 + 1] == 0 || p[k * 2 + 2] == 0) - { - error ("Emulator reply is too short: %s", buf); - } - deprecated_registers[r++] = fromhex (buf[k * 2 + 1]) * 16 + fromhex (buf[k * 2 + 2]); - } - } -} - -/* Store register value, located in REGISTER, on the target processor. - regno - the register-number of the register to store - (-1 means store them all) - FIXME: Return errno value. */ - -static void -es1800_store_register (int regno) -{ - - static char regtab[18][4] = - { - "D0 ", "D1 ", "D2 ", "D3 ", "D4 ", "D5 ", "D6 ", "D7 ", - "A0 ", "A1 ", "A2 ", "A3 ", "A4 ", "A5 ", "A6 ", "SSP", - "SR ", "PC " - }; - - char buf[PBUFSIZ]; - char SR_buf[PBUFSIZ]; - char stack_pointer[4]; - char *p; - int i; - int j; - int k; - unsigned char *r; - - r = (unsigned char *) deprecated_registers; - - if (regno == -1) /* write all registers */ - { - j = 0; - k = 18; - } - else - /* write one register */ - { - j = regno; - k = regno + 1; - r += regno * 4; - } - - if ((regno == -1) || (regno == 15)) - { - /* fetch current status */ - send_with_reply ("SR", SR_buf, sizeof (SR_buf)); - p = SR_buf; - p += 5; - if (m68020) - { - if (*p == '3') /* use masterstackpointer MSP */ - { - strcpy (stack_pointer, "MSP"); - } - else - { - if (*p == '2') /* use interruptstackpointer ISP */ - { - strcpy (stack_pointer, "ISP"); - } - else - { - strcpy (stack_pointer, "USP"); /* use userstackpointer USP */ - } - } - } - else - /* 68000-mode */ - { - if (*p == '2') /* use supervisorstackpointer SSP */ - { - strcpy (stack_pointer, "SSP"); - } - else - { - strcpy (stack_pointer, "USP"); /* use userstackpointer USP */ - } - } - strcpy (regtab[15], stack_pointer); - } - - for (i = j; i < k; i++) - { - buf[0] = regtab[i][0]; - buf[1] = regtab[i][1]; - buf[2] = regtab[i][2]; - buf[3] = '='; - buf[4] = '$'; - buf[5] = tohex ((*r >> 4) & 0x0f); - buf[6] = tohex (*r++ & 0x0f); - buf[7] = tohex ((*r >> 4) & 0x0f); - buf[8] = tohex (*r++ & 0x0f); - buf[9] = tohex ((*r >> 4) & 0x0f); - buf[10] = tohex (*r++ & 0x0f); - buf[11] = tohex ((*r >> 4) & 0x0f); - buf[12] = tohex (*r++ & 0x0f); - buf[13] = 0; - - send_with_reply (buf, buf, sizeof (buf)); /* FIXME, reply not used? */ - } -} - - -/* Prepare to store registers. */ - -static void -es1800_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -/* Convert hex digit A to a number. */ - -static int -fromhex (int a) -{ - if (a >= '0' && a <= '9') - { - return a - '0'; - } - else if (a >= 'a' && a <= 'f') - { - return a - 'a' + 10; - } - else if (a >= 'A' && a <= 'F') - { - return a - 'A' + 10; - } - else - { - error ("Reply contains invalid hex digit"); - } - return (-1); -} - - -/* Convert number NIB to a hex digit. */ - -static int -tohex (int nib) -{ - if (nib < 10) - { - return ('0' + nib); - } - else - { - return ('A' + nib - 10); - } -} - -/* Read or write LEN bytes from inferior memory at MEMADDR, transferring - to or from debugger address MYADDR. Write to inferior if WRITE is - nonzero. Returns length of data written or read; 0 for error. - - memaddr - the target's address - myaddr - gdb's address - len - number of bytes - write - write if != 0 otherwise read - tops - unused */ - -static int -es1800_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, - int write, struct mem_attrib *attrib, - struct target_ops *target) -{ - int origlen = len; - int xfersize; - - while (len > 0) - { - xfersize = len > MAXBUFBYTES ? MAXBUFBYTES : len; - if (write) - { - es1800_write_bytes (memaddr, myaddr, xfersize); - } - else - { - es1800_read_bytes (memaddr, myaddr, xfersize); - } - memaddr += xfersize; - myaddr += xfersize; - len -= xfersize; - } - return (origlen); /* no error possible */ -} - - -/* Write memory data directly to the emulator. - This does not inform the data cache; the data cache uses this. - MEMADDR is the address in the remote memory space. - MYADDR is the address of the buffer in our space. - LEN is the number of bytes. - - memaddr - the target's address - myaddr - gdb's address - len - number of bytes */ - -static void -es1800_write_bytes (CORE_ADDR memaddr, char *myaddr, int len) -{ - char buf[PBUFSIZ]; - int i; - char *p; - - p = myaddr; - for (i = 0; i < len; i++) - { - sprintf (buf, "@.B$%x=$%x", memaddr + i, (*p++) & 0xff); - send_with_reply (buf, buf, sizeof (buf)); /* FIXME send_command? */ - } -} - - -/* Read memory data directly from the emulator. - This does not use the data cache; the data cache uses this. - - memaddr - the target's address - myaddr - gdb's address - len - number of bytes */ - -static void -es1800_read_bytes (CORE_ADDR memaddr, char *myaddr, int len) -{ - static int DB_tab[16] = - {8, 11, 14, 17, 20, 23, 26, 29, 34, 37, 40, 43, 46, 49, 52, 55}; - char buf[PBUFSIZ]; - int i; - int low_addr; - char *p; - char *b; - - if (len > PBUFSIZ / 2 - 1) - { - internal_error (__FILE__, __LINE__, "failed internal consistency check"); - } - - if (len == 1) /* The emulator does not like expressions like: */ - { - len = 2; /* DB.B $20018 TO $20018 */ - } - - /* Reply describes registers byte by byte, each byte encoded as two hex - characters. */ - - sprintf (buf, "DB.B $%x TO $%x", memaddr, memaddr + len - 1); - send_with_reply (buf, buf, sizeof (buf)); - b = buf; - low_addr = memaddr & 0x0f; - for (i = low_addr; i < low_addr + len; i++) - { - if ((!(i % 16)) && i) - { /* if (i = 16,32,48) */ - while (*p++ != '\n') - {; - } - b = p; - } - p = b + DB_tab[i % 16] + (m68020 ? 2 : 0); - if (p[0] == 32 || p[1] == 32) - { - error ("Emulator reply is too short: %s", buf); - } - myaddr[i - low_addr] = fromhex (p[0]) * 16 + fromhex (p[1]); - } -} - -/* Display information about the current target. TOPS is unused. */ - -static void -es1800_files_info (struct target_ops *tops) -{ - printf ("ES1800 Attached to %s at %d baud in %s mode\n", savename, 19200, - MODE); -} - - -/* We read the contents of the target location and stash it, - then overwrite it with a breakpoint instruction. - - addr - is the target location in the target machine. - contents_cache - is a pointer to memory allocated for saving the target contents. - It is guaranteed by the caller to be long enough to save sizeof - BREAKPOINT bytes. - - FIXME: This size is target_arch dependent and should be available in - the target_arch transfer vector, if we ever have one... */ - -static int -es1800_insert_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - int val; - - val = target_read_memory (addr, contents_cache, sizeof (es1800_break_insn)); - - if (val == 0) - { - val = target_write_memory (addr, es1800_break_insn, - sizeof (es1800_break_insn)); - } - - return (val); -} - - -/* Write back the stashed instruction - - addr - is the target location in the target machine. - contents_cache - is a pointer to memory allocated for saving the target contents. - It is guaranteed by the caller to be long enough to save sizeof - BREAKPOINT bytes. */ - -static int -es1800_remove_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - - return (target_write_memory (addr, contents_cache, - sizeof (es1800_break_insn))); -} - -/* create_break_insn () - Primitive datastructures containing the es1800 breakpoint instruction */ - -static void -es1800_create_break_insn (char *ins, int vec) -{ - if (vec == 15) - { - ins[0] = 0x4e; - ins[1] = 0x4f; - } -} - - -/* verify_break () - Seach for breakpoint routine in emulator memory. - returns non-zero on failure - vec - trap vector used for breakpoints */ - -static int -verify_break (int vec) -{ - CORE_ADDR memaddress; - char buf[8]; - char *instr = "NqNqNqNs"; /* breakpoint routine */ - int status; - - get_break_addr (vec, &memaddress); - - if (memaddress) - { - status = target_read_memory (memaddress, buf, 8); - if (status != 0) - { - memory_error (status, memaddress); - } - return (strcmp (instr, buf)); - } - return (-1); -} - - -/* get_break_addr () - find address of breakpoint routine - vec - trap vector used for breakpoints - addrp - store the address here */ - -static void -get_break_addr (int vec, CORE_ADDR *addrp) -{ - CORE_ADDR memaddress = 0; - int status; - int k; - char buf[PBUFSIZ]; - char base_addr[4]; - char *p; - - if (m68020) - { - send_with_reply ("VBR ", buf, sizeof (buf)); - p = buf; - for (k = 0; k < 4; k++) - { - if ((p[k * 2 + 1] == 0) || (p[k * 2 + 2] == 0)) - { - error ("Emulator reply is too short: %s", buf); - } - base_addr[k] = (fromhex (p[k * 2 + 1]) * 16) + fromhex (p[k * 2 + 2]); - } - /* base addr of exception vector table */ - memaddress = *((CORE_ADDR *) base_addr); - } - - memaddress += (vec + 32) * 4; /* address of trap vector */ - status = target_read_memory (memaddress, (char *) addrp, 4); - if (status != 0) - { - memory_error (status, memaddress); - } -} - - -/* Kill an inferior process */ - -static void -es1800_kill (void) -{ - if (!ptid_equal (inferior_ptid, null_ptid)) - { - inferior_ptid = null_ptid; - es1800_mourn_inferior (); - } -} - - -/* Load a file to the ES1800 emulator. - Converts the file from a.out format into Extended Tekhex format - before the file is loaded. - Also loads the trap routine, and sets the ES1800 breakpoint on it - filename - the a.out to be loaded - from_tty - says whether to be verbose or not - FIXME Uses emulator overlay memory for trap routine */ - -static void -es1800_load (char *filename, int from_tty) -{ - - FILE *instream; - char loadname[15]; - char buf[160]; - struct cleanup *old_chain; - int es1800_load_format = 5; - - if (es1800_desc == NULL) - { - printf ("No emulator attached, type emulator-command first\n"); - return; - } - - filename = tilde_expand (filename); - make_cleanup (xfree, filename); - - switch (es1800_load_format) - { - case 2: /* Extended Tekhex */ - if (from_tty) - { - printf ("Converting \"%s\" to Extended Tekhex Format\n", filename); - } - sprintf (buf, "tekhex %s", filename); - system (buf); - sprintf (loadname, "out.hex"); - break; - - case 5: /* Motorola S-rec */ - if (from_tty) - { - printf ("Converting \"%s\" to Motorola S-record format\n", - filename); - } - /* in the future the source code in copy (part of binutils-1.93) will - be included in this file */ - sprintf (buf, - "copy -s \"a.out-sunos-big\" -d \"srec\" %s /tmp/out.hex", - filename); - system (buf); - sprintf (loadname, "/tmp/out.hex"); - break; - - default: - error ("Downloading format not defined\n"); - } - - breakpoint_init_inferior (); - inferior_ptid = null_ptid; - if (from_tty) - { - printf ("Downloading \"%s\" to the ES 1800\n", filename); - } - if ((instream = fopen (loadname, "r")) == NULL) - { - perror_with_name ("fopen:"); - } - - old_chain = make_cleanup (fclose, instream); - immediate_quit++; - - es1800_reset (0); - - download (instream, from_tty, es1800_load_format); - - /* if breakpoint routine is not present anymore we have to check - whether to download a new breakpoint routine or not */ - - if ((verify_break (es1800_break_vec) != 0) - && query ("No breakpoint routine in ES 1800 emulator!\nDownload a breakpoint routine to the emulator? ")) - { - char buf[128]; - printf ("Using break vector 0x%x\n", es1800_break_vec); - sprintf (buf, "0x%x ", es1800_break_vec); - printf ("Give the start address of the breakpoint routine: "); - fgets (buf + strlen (buf), sizeof (buf) - strlen (buf), stdin); - es1800_init_break (buf, 0); - } - - do_cleanups (old_chain); - expect_prompt (); - readchar (); /* FIXME I am getting a ^G = 7 after the prompt */ - printf ("\n"); - - if (fclose (instream) == EOF) - { - ; - } - - if (es1800_load_format != 2) - { - sprintf (buf, "/usr/bin/rm %s", loadname); - system (buf); - } - - symbol_file_add_main (filename, from_tty); /* reading symbol table */ - immediate_quit--; -} - -#if 0 - -#define NUMCPYBYTES 20 - -static void -bfd_copy (bfd *from_bfd, bfd *to_bfd) -{ - asection *p, *new; - int i; - char buf[NUMCPYBYTES]; - - for (p = from_bfd->sections; p != NULL; p = p->next) - { - printf (" Copying section %s. Size = %x.\n", p->name, p->_cooked_size); - printf (" vma = %x, offset = %x, output_sec = %x\n", - p->vma, p->output_offset, p->output_section); - new = bfd_make_section (to_bfd, p->name); - if (p->_cooked_size && - !bfd_set_section_size (to_bfd, new, p->_cooked_size)) - { - error ("Wrong BFD size!\n"); - } - if (!bfd_set_section_flags (to_bfd, new, p->flags)) - { - error ("bfd_set_section_flags"); - } - new->vma = p->vma; - - for (i = 0; (i + NUMCPYBYTES) < p->_cooked_size; i += NUMCPYBYTES) - { - if (!bfd_get_section_contents (from_bfd, p, buf, (file_ptr) i, - (bfd_size_type) NUMCPYBYTES)) - { - error ("bfd_get_section_contents\n"); - } - if (!bfd_set_section_contents (to_bfd, new, buf, (file_ptr) i, - (bfd_size_type) NUMCPYBYTES)) - { - error ("bfd_set_section_contents\n"); - } - } - bfd_get_section_contents (from_bfd, p, buf, (file_ptr) i, - (bfd_size_type) (p->_cooked_size - i)); - bfd_set_section_contents (to_bfd, new, buf, (file_ptr) i, - (bfd_size_type) (p->_cooked_size - i)); - } -} - -#endif - -/* Start an process on the es1800 and set inferior_ptid to the new - process' pid. - execfile - the file to run - args - arguments passed to the program - env - the environment vector to pass */ - -static void -es1800_create_inferior (char *execfile, char *args, char **env) -{ - int entry_pt; - int pid; -#if 0 - struct expression *expr; - register struct cleanup *old_chain = 0; - register value val; -#endif - - if (args && *args) - { - error ("Can't pass arguments to remote ES1800 process"); - } - -#if 0 - if (query ("Use 'start' as entry point? ")) - { - expr = parse_c_expression ("start"); - old_chain = make_cleanup (free_current_contents, &expr); - val = evaluate_expression (expr); - entry_pt = (val->location).address; - } - else - { - printf ("Enter the program's entry point (in hexadecimal): "); - scanf ("%x", &entry_pt); - } -#endif - - if (execfile == 0 || exec_bfd == 0) - { - error ("No executable file specified"); - } - - entry_pt = (int) bfd_get_start_address (exec_bfd); - - pid = 42; - - /* Now that we have a child process, make it our target. */ - - push_target (&es1800_child_ops); - - /* The "process" (board) is already stopped awaiting our commands, and - the program is already downloaded. We just set its PC and go. */ - - inferior_ptid = pid_to_ptid (pid); /* Needed for wait_for_inferior below */ - - clear_proceed_status (); - - /* Tell wait_for_inferior that we've started a new process. */ - - init_wait_for_inferior (); - - /* Set up the "saved terminal modes" of the inferior - based on what modes we are starting it with. */ - - target_terminal_init (); - - /* Install inferior's terminal modes. */ - - target_terminal_inferior (); - - /* remote_start (args); */ - /* trap_expected = 0; */ - /* insert_step_breakpoint (); FIXME, do we need this? */ - - /* Let 'er rip... */ - proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0); - -} - - -/* The process has died, clean up. */ - -static void -es1800_mourn_inferior (void) -{ - remove_breakpoints (); - unpush_target (&es1800_child_ops); - generic_mourn_inferior (); /* Do all the proper things now */ -} - -/* ES1800-protocol specific routines */ - -/* Keep discarding input from the remote system, until STRING is found. - Let the user break out immediately. - string - the string to expect - nowait - break out if string not the emulator's first respond otherwise - read until string is found (== 0) */ - -static void -expect (char *string, int nowait) -{ - char c; - char *p = string; - - immediate_quit++; - while (1) - { - c = readchar (); - if (isalpha (c)) - { - c = toupper (c); - } - if (c == toupper (*p)) - { - p++; - if (*p == '\0') - { - immediate_quit--; - return; - } - } - else if (!nowait) - { - p = string; - } - else - { - printf ("\'%s\' expected\n", string); - printf ("char %d is %d", p - string, c); - error ("\n"); - } - } -} - -/* Keep discarding input until we see the prompt. */ - -static void -expect_prompt (void) -{ - expect (">", 0); -} - - -/* Read one character */ - -#ifdef DEBUG_STDIN - -/* read from stdin */ - -static int -readchar (void) -{ - char buf[1]; - - buf[0] = '\0'; - printf ("readchar, give one character\n"); - read (0, buf, 1); - -#if defined (LOG_FILE) - putc (buf[0] & 0x7f, log_file); -#endif - - return (buf[0] & 0x7f); -} - -#else /* !DEBUG_STDIN */ - -/* Read a character from the remote system, doing all the fancy - timeout stuff. */ - -static int -readchar (void) -{ - int ch; - - ch = serial_readchar (es1800_desc, timeout); - - /* FIXME: doing an error() here will probably cause trouble, at least if from - es1800_wait. */ - if (ch == SERIAL_TIMEOUT) - error ("Timeout reading from remote system."); - else if (ch == SERIAL_ERROR) - perror_with_name ("remote read"); - -#if defined (LOG_FILE) - putc (ch & 0x7f, log_file); - fflush (log_file); -#endif - - return (ch); -} - -#endif /* DEBUG_STDIN */ - - -/* Send a command to the emulator and save the reply. - Report an error if we get an error reply. - string - the es1800 command - buf - containing the emulator reply on return - len - size of buf */ - -static void -send_with_reply (char *string, char *buf, int len) -{ - send (string); - serial_write (es1800_desc, "\r", 1); - -#ifndef DEBUG_STDIN - expect (string, 1); - expect ("\r\n", 0); -#endif - - getmessage (buf, len); -} - - -/* Send the command in STR to the emulator adding \r. check - the echo for consistency. - string - the es1800 command */ - -static void -send_command (char *string) -{ - send (string); - serial_write (es1800_desc, "\r", 1); - -#ifndef DEBUG_STDIN - expect (string, 0); - expect_prompt (); -#endif - -} - -/* Send a string - string - the es1800 command */ - -static void -send (char *string) -{ - if (kiodebug) - { - fprintf_unfiltered (gdb_stderr, "Sending: %s\n", string); - } - serial_write (es1800_desc, string, strlen (string)); -} - - -/* Read a message from the emulator and store it in BUF. - buf - containing the emulator reply on return - len - size of buf */ - -static void -getmessage (char *buf, int len) -{ - char *bp; - int c; - int prompt_found = 0; - extern kiodebug; - -#if defined (LOG_FILE) - /* This is a convenient place to do this. The idea is to do it often - enough that we never lose much data if we terminate abnormally. */ - fflush (log_file); -#endif - - bp = buf; - c = readchar (); - do - { - if (c) - { - if (len-- < 2) /* char and terminaling NULL */ - { - error ("input buffer overrun\n"); - } - *bp++ = c; - } - c = readchar (); - if ((c == '>') && (*(bp - 1) == ' ')) - { - prompt_found = 1; - } - } - while (!prompt_found); - *bp = 0; - - if (kiodebug) - { - fprintf_unfiltered (gdb_stderr, "message received :%s\n", buf); - } -} - -static void -download (FILE *instream, int from_tty, int format) -{ - char c; - char buf[160]; - int i = 0; - - send_command ("SET #2,$1A"); /* reset char = ^Z */ - send_command ("SET #3,$11,$13"); /* XON XOFF */ - if (format == 2) - { - send_command ("SET #26,#2"); - } - else - { - send_command ("SET #26,#5"); /* Format=Extended Tekhex */ - } - send_command ("DFB = $10"); - send_command ("PUR"); - send_command ("CES"); - send ("DNL\r"); - expect ("DNL", 1); - if (from_tty) - { - printf (" 0 records loaded...\r"); - } - while (fgets (buf, 160, instream)) - { - send (buf); - if (from_tty) - { - printf ("%5d\b\b\b\b\b", ++i); - fflush (stdout); - } - if ((c = readchar ()) != 006) - { - error ("expected ACK"); - } - } - if (from_tty) - { - printf ("- All"); - } -} - -/* Additional commands */ - -#if defined (TIOCGETP) && defined (FNDELAY) && defined (EWOULDBLOCK) -#define PROVIDE_TRANSPARENT -#endif - -#ifdef PROVIDE_TRANSPARENT -/* Talk directly to the emulator - FIXME, uses busy wait, and is SUNOS (or at least BSD) specific */ - -/*ARGSUSED */ -static void -es1800_transparent (char *args, int from_tty) -{ - int console; - struct sgttyb modebl; - int fcflag; - int cc; - struct sgttyb console_mode_save; - int console_fc_save; - int es1800_fc_save; - int inputcnt = 80; - char inputbuf[80]; - int consolecnt = 0; - char consolebuf[80]; - int es1800_cnt = 0; - char es1800_buf[80]; - int i; - - dont_repeat (); - if (es1800_desc == NULL) - { - printf ("No emulator attached, type emulator-command first\n"); - return; - } - - printf ("\n"); - printf ("You are now communicating directly with the ES 1800 emulator.\n"); - printf ("To leave this mode (transparent mode), press ^E.\n"); - printf ("\n"); - printf (" >"); - fflush (stdout); - - if ((console = open ("/dev/tty", O_RDWR)) == -1) - { - perror_with_name ("/dev/tty:"); - } - - if ((fcflag = fcntl (console, F_GETFL, 0)) == -1) - { - perror_with_name ("fcntl console"); - } - - console_fc_save = fcflag; - fcflag = fcflag | FNDELAY; - - if (fcntl (console, F_SETFL, fcflag) == -1) - { - perror_with_name ("fcntl console"); - } - - if (ioctl (console, TIOCGETP, &modebl)) - { - perror_with_name ("ioctl console"); - } - - console_mode_save = modebl; - modebl.sg_flags = RAW; - - if (ioctl (console, TIOCSETP, &modebl)) - { - perror_with_name ("ioctl console"); - } - - if ((fcflag = fcntl (deprecated_serial_fd (es1800_desc), F_GETFL, 0)) == -1) - { - perror_with_name ("fcntl serial"); - } - - es1800_fc_save = fcflag; - fcflag = fcflag | FNDELAY; - - if (fcntl (deprecated_serial_fd (es1800_desc), F_SETFL, fcflag) == -1) - { - perror_with_name ("fcntl serial"); - } - - while (1) - { - cc = read (console, inputbuf, inputcnt); - if (cc != -1) - { - if ((*inputbuf & 0x7f) == 0x05) - { - break; - } - for (i = 0; i < cc;) - { - es1800_buf[es1800_cnt++] = inputbuf[i++]; - } - if ((cc = serial_write (es1800_desc, es1800_buf, es1800_cnt)) == -1) - { - perror_with_name ("FEL! write:"); - } - es1800_cnt -= cc; - if (es1800_cnt && cc) - { - for (i = 0; i < es1800_cnt; i++) - { - es1800_buf[i] = es1800_buf[cc + i]; - } - } - } - else if (errno != EWOULDBLOCK) - { - perror_with_name ("FEL! read:"); - } - - cc = read (deprecated_serial_fd (es1800_desc), inputbuf, inputcnt); - if (cc != -1) - { - for (i = 0; i < cc;) - { - consolebuf[consolecnt++] = inputbuf[i++]; - } - if ((cc = write (console, consolebuf, consolecnt)) == -1) - { - perror_with_name ("FEL! write:"); - } - consolecnt -= cc; - if (consolecnt && cc) - { - for (i = 0; i < consolecnt; i++) - { - consolebuf[i] = consolebuf[cc + i]; - } - } - } - else if (errno != EWOULDBLOCK) - { - perror_with_name ("FEL! read:"); - } - } - - console_fc_save = console_fc_save & !FNDELAY; - if (fcntl (console, F_SETFL, console_fc_save) == -1) - { - perror_with_name ("FEL! fcntl"); - } - - if (ioctl (console, TIOCSETP, &console_mode_save)) - { - perror_with_name ("FEL! ioctl"); - } - - close (console); - - if (fcntl (deprecated_serial_fd (es1800_desc), F_SETFL, es1800_fc_save) == -1) - { - perror_with_name ("FEL! fcntl"); - } - - printf ("\n"); - -} -#endif /* PROVIDE_TRANSPARENT */ - -static void -es1800_init_break (char *args, int from_tty) -{ - CORE_ADDR memaddress = 0; - char buf[PBUFSIZ]; - char base_addr[4]; - char *space_index; - char *p; - int k; - - if (args == NULL) - { - error_no_arg ("a trap vector"); - } - - if (!(space_index = strchr (args, ' '))) - { - error ("Two arguments needed (trap vector and address of break routine).\n"); - } - - *space_index = '\0'; - - es1800_break_vec = strtol (args, (char **) NULL, 0); - es1800_break_address = parse_and_eval_address (space_index + 1); - - es1800_create_break_insn (es1800_break_insn, es1800_break_vec); - - if (m68020) - { - send_with_reply ("VBR ", buf, sizeof (buf)); - p = buf; - for (k = 0; k < 4; k++) - { - if ((p[k * 2 + 1] == 0) || (p[k * 2 + 2] == 0)) - { - error ("Emulator reply is too short: %s", buf); - } - base_addr[k] = (fromhex (p[k * 2 + 1]) * 16) + fromhex (p[k * 2 + 2]); - } - /* base addr of exception vector table */ - memaddress = *((CORE_ADDR *) base_addr); - } - - memaddress += (es1800_break_vec + 32) * 4; /* address of trap vector */ - - sprintf (buf, "@.L%lx=$%lx", memaddress, es1800_break_address); - send_command (buf); /* set the address of the break routine in the */ - /* trap vector */ - - sprintf (buf, "@.L%lx=$4E714E71", es1800_break_address); /* NOP; NOP */ - send_command (buf); - sprintf (buf, "@.L%lx=$4E714E73", es1800_break_address + 4); /* NOP; RTE */ - send_command (buf); - - sprintf (buf, "AC2=$%lx", es1800_break_address + 4); - /* breakpoint at es1800-break_address */ - send_command (buf); - send_command ("WHEN AC2 THEN BRK"); /* ie in exception routine */ - - if (from_tty) - { - printf ("Breakpoint (trap $%x) routine at address: %lx\n", - es1800_break_vec, es1800_break_address); - } -} - -static void -es1800_child_open (char *arg, int from_tty) -{ - error ("Use the \"run\" command to start a child process."); -} - -static void -es1800_child_detach (char *args, int from_tty) -{ - if (args) - { - error ("Argument given to \"detach\" when remotely debugging."); - } - - pop_target (); - if (from_tty) - { - printf ("Ending debugging the process %d.\n", PIDGET (inferior_ptid)); - } -} - - -/* Define the target subroutine names */ - -struct target_ops es1800_ops; - -static void -init_es1800_ops (void) -{ - es1800_ops.to_shortname = "es1800"; - es1800_ops.to_longname = "Remote serial target in ES1800-emulator protocol"; - es1800_ops.to_doc = "Remote debugging on the es1800 emulator via a serial line.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."; - es1800_ops.to_open = es1800_open; - es1800_ops.to_close = es1800_close; - es1800_ops.to_attach = es1800_attach; - es1800_ops.to_detach = es1800_detach; - es1800_ops.to_resume = es1800_resume; - es1800_ops.to_prepare_to_store = es1800_prepare_to_store; - es1800_ops.to_xfer_memory = es1800_xfer_inferior_memory; - es1800_ops.to_files_info = es1800_files_info; - es1800_ops.to_insert_breakpoint = es1800_insert_breakpoint; - es1800_ops.to_remove_breakpoint = es1800_remove_breakpoint; - es1800_ops.to_load = es1800_load; - es1800_ops.to_create_inferior = es1800_create_inferior; - es1800_ops.to_stratum = core_stratum; - es1800_ops.to_has_memory = 1; - es1800_ops.to_magic = OPS_MAGIC; -} - -/* Define the target subroutine names */ - -struct target_ops es1800_child_ops; - -static void -init_es1800_child_ops (void) -{ - es1800_child_ops.to_shortname = "es1800_process"; - es1800_child_ops.to_longname = "Remote serial target in ES1800-emulator protocol"; - es1800_child_ops.to_doc = "Remote debugging on the es1800 emulator via a serial line.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."; - es1800_child_ops.to_open = es1800_child_open; - es1800_child_ops.to_attach = es1800_attach; - es1800_child_ops.to_detach = es1800_child_detach; - es1800_child_ops.to_resume = es1800_resume; - es1800_child_ops.to_wait = es1800_wait; - es1800_child_ops.to_fetch_registers = es1800_fetch_register; - es1800_child_ops.to_store_registers = es1800_store_register; - es1800_child_ops.to_prepare_to_store = es1800_prepare_to_store; - es1800_child_ops.to_xfer_memory = es1800_xfer_inferior_memory; - es1800_child_ops.to_files_info = es1800_files_info; - es1800_child_ops.to_insert_breakpoint = es1800_insert_breakpoint; - es1800_child_ops.to_remove_breakpoint = es1800_remove_breakpoint; - es1800_child_ops.to_kill = es1800_kill; - es1800_child_ops.to_load = es1800_load; - es1800_child_ops.to_create_inferior = es1800_create_inferior; - es1800_child_ops.to_mourn_inferior = es1800_mourn_inferior; - es1800_child_ops.to_stratum = process_stratum; - es1800_child_ops.to_has_all_memory = 1; - es1800_child_ops.to_has_memory = 1; - es1800_child_ops.to_has_stack = 1; - es1800_child_ops.to_has_registers = 1; - es1800_child_ops.to_has_execution = 1; - es1800_child_ops.to_magic = OPS_MAGIC; -} - -void -_initialize_es1800 (void) -{ - init_es1800_ops (); - init_es1800_child_ops (); - add_target (&es1800_ops); - add_target (&es1800_child_ops); -#ifdef PROVIDE_TRANSPARENT - add_com ("transparent", class_support, es1800_transparent, - "Start transparent communication with the ES 1800 emulator."); -#endif /* PROVIDE_TRANSPARENT */ - add_com ("init_break", class_support, es1800_init_break, - "Download break routine and initialize break facility on ES 1800"); -} |