* monitor.c: Move all xmodem stuff into xmodem.[ch]. Remove
unnecessary remoteloadprotocol and remoteloadtype support. * (expect expect_prompt): Change names to monitor_expect and monitor_expect_prompt. Make them global. * (printf_monitor): Change name to monitor_printf. Make global. * (monitor_read_memory): Flush command echo to avoid parsing ambiguity with CPU32Bug monitor. * (monitor_load): Remove remoteloadprotocol and remoteloadtype support. Call target_ops->load_routine, default to monitor_load_srec. * (monitor_load_srec): Remove everything but S-record support. * monitor.h (monitor_ops): Add load_routine to provide monitor specific download capability. * remote-est.c: Clean up copyrights and comments. * w89k-rom.c: Use new xmodem support. * xmodem.c xmodem.h: New files to support xmodem downloads. * rom68k-rom.c remote-est.c: Fix copyrights, add load_routine entry to monitor_ops. * cpu32bug-rom.c: New file to support Moto BCC debuggers. * config/m68k/est.mt (TDEPFILES): Add cpu32bug.o. * config/pa/hppapro.mt (TDEPFILES): Add xmodem.o.
This commit is contained in:
Stu Grossman
parent
9ce0322db8
commit
5de0c6486d
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@ -112,6 +112,7 @@ core.c
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coredep.c
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corelow.c
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cp-valprint.c
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cpu32bug-rom.c
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cxux-nat.c
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dbxread.c
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dcache.c
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@ -326,6 +327,8 @@ w89k-rom.c
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xcoffread.c
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xcoffsolib.c
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xcoffsolib.h
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xmodem.c
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xmodem.h
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z8k-tdep.c
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@ -1,3 +1,3 @@
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# Target: m68k emulator EST-300
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TDEPFILES= m68k-tdep.o monitor.o remote-est.o
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TDEPFILES= m68k-tdep.o monitor.o remote-est.o cpu32bug-rom.o
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TM_FILE= tm-est.h
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@ -1,4 +1,4 @@
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# Target: PA based debug monitor
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TDEPFILES= hppa-tdep.o op50-rom.o w89k-rom.o monitor.o
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TDEPFILES= hppa-tdep.o op50-rom.o w89k-rom.o monitor.o xmodem.o
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TM_FILE= tm-pro.h
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XDEPFILES= ser-tcp.o
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@ -0,0 +1,177 @@
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/* Remote debugging interface for CPU32Bug Rom monitor for GDB, the GNU debugger.
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Copyright 1995 Free Software Foundation, Inc.
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Written by Stu Grossman of Cygnus Support
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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||||
the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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||||
along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "monitor.h"
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#include "serial.h"
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static void cpu32bug_open PARAMS ((char *args, int from_tty));
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static void
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cpu32bug_supply_register (regname, regnamelen, val, vallen)
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char *regname;
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int regnamelen;
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char *val;
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int vallen;
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{
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int regno;
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if (regnamelen != 2)
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return;
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switch (regname[0])
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{
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case 'S':
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if (regname[1] != 'R')
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return;
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regno = PS_REGNUM;
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break;
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case 'P':
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if (regname[1] != 'C')
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return;
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regno = PC_REGNUM;
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break;
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case 'D':
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if (regname[1] < '0' || regname[1] > '7')
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return;
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regno = regname[1] - '0' + D0_REGNUM;
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break;
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case 'A':
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if (regname[1] < '0' || regname[1] > '7')
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return;
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regno = regname[1] - '0' + A0_REGNUM;
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break;
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default:
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return;
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}
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monitor_supply_register (regno, val);
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}
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/*
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* This array of registers needs to match the indexes used by GDB. The
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* whole reason this exists is because the various ROM monitors use
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* different names than GDB does, and don't support all the
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* registers either. So, typing "info reg sp" becomes an "A7".
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*/
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static char *cpu32bug_regnames[NUM_REGS] =
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{
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"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
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"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
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"SR", "PC",
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};
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/*
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* Define the monitor command strings. Since these are passed directly
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* through to a printf style function, we need can include formatting
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* strings. We also need a CR or LF on the end.
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*/
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static struct target_ops cpu32bug_ops;
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static char *cpu32bug_loadtypes[] = {"srec", NULL};
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static char *cpu32bug_loadprotos[] = {"none", NULL};
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static char *cpu32bug_inits[] = {"\r", NULL};
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static struct monitor_ops cpu32bug_cmds =
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{
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MO_CLR_BREAK_USES_ADDR,
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cpu32bug_inits, /* Init strings */
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"g\r", /* continue command */
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"t\r", /* single step */
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NULL, /* interrupt command */
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"br %x\r", /* set a breakpoint */
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"nobr %x\r", /* clear a breakpoint */
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"nobr\r", /* clear all breakpoints */
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"bf %x:%x %x;b\r", /* fill (start count val) */
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{
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"ms %x %02x\r", /* setmem.cmdb (addr, value) */
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"ms %x %04x\r", /* setmem.cmdw (addr, value) */
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"ms %x %08x\r", /* setmem.cmdl (addr, value) */
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NULL, /* setmem.cmdll (addr, value) */
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NULL, /* setreg.resp_delim */
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NULL, /* setreg.term */
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NULL, /* setreg.term_cmd */
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},
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{
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"md %x:%x;b\r", /* getmem.cmdb (addr, len) */
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"md %x:%x;b\r", /* getmem.cmdw (addr, len) */
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"md %x:%x;b\r", /* getmem.cmdl (addr, len) */
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NULL, /* getmem.cmdll (addr, len) */
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" ", /* getmem.resp_delim */
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NULL, /* getmem.term */
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NULL, /* getmem.term_cmd */
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},
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{
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"rs %s %x\r", /* setreg.cmd (name, value) */
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NULL, /* setreg.resp_delim */
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NULL, /* setreg.term */
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NULL /* setreg.term_cmd */
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},
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{
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"rs %s\r", /* getreg.cmd (name) */
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"=", /* getreg.resp_delim */
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NULL, /* getreg.term */
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NULL /* getreg.term_cmd */
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},
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"rd\r", /* dump_registers */
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"\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)", /* register_pattern */
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cpu32bug_supply_register, /* supply_register */
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NULL, /* load_routine (defaults to SRECs) */
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"lo\r", /* download command */
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"lo\r\n", /* load response */
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"CPU32Bug>", /* monitor command prompt */
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NULL, /* end-of-command delimitor */
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NULL, /* optional command terminator */
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&cpu32bug_ops, /* target operations */
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cpu32bug_loadtypes, /* loadtypes */
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cpu32bug_loadprotos, /* loadprotos */
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"9600", /* supported baud rates */
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SERIAL_1_STOPBITS, /* number of stop bits */
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cpu32bug_regnames, /* registers names */
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MONITOR_OPS_MAGIC /* magic */
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};
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void
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cpu32bug_open(args, from_tty)
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char *args;
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int from_tty;
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{
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monitor_open (args, &cpu32bug_cmds, from_tty);
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}
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void
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_initialize_cpu32bug_rom ()
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{
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init_monitor_ops (&cpu32bug_ops);
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cpu32bug_ops.to_shortname = "cpu32bug";
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cpu32bug_ops.to_longname = "CPU32Bug monitor";
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cpu32bug_ops.to_doc = "Debug via the CPU32Bug monitor.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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cpu32bug_ops.to_open = cpu32bug_open;
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add_target (&cpu32bug_ops);
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}
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@ -22,6 +22,8 @@
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "serial.h"
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struct rom_cmd_data {
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char *cmd; /* command to send */
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char *delim; /* the delimiter */
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@ -98,6 +100,7 @@ struct monitor_ops
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char *dump_registers; /* Command to dump all regs at once */
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char *register_pattern; /* Pattern that picks out register from reg dump */
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void (*supply_register) PARAMS ((char *name, int namelen, char *val, int vallen));
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void (*load_routine) PARAMS ((serial_t desc, char *file, int hashmark)); /* Download routine */
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char *load; /* load command */
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char *loadresp; /* Response to load command */
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char *prompt; /* monitor command prompt */
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@ -167,8 +170,9 @@ extern struct monitor_ops *current_monitor;
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#define MEM_DIS_CMD (current_monitor->getmem)
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#define REG_DELIM (current_monitor->regset.delim)
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extern void monitor_open PARAMS ((char *args, struct monitor_ops *ops, int from_tty));
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extern char *monitor_supply_register PARAMS ((int regno, char *valstr));
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extern int monitor_expect PARAMS ((char *prompt, char *buf, int buflen));
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extern int monitor_expect_prompt PARAMS ((char *buf, int buflen));
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extern void monitor_printf ();
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extern void init_monitor_ops PARAMS ((struct target_ops *));
|
||||
|
||||
extern void monitor_open PARAMS ((char *, struct monitor_ops *, int));
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||||
extern char *monitor_supply_register PARAMS ((int, char *));
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|
|
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|
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@ -1,25 +1,25 @@
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|||
/* Remote debugging interface for EST-300 ICE, for GDB
|
||||
Copyright 1994 Free Software Foundation, Inc.
|
||||
Copyright 1995 Free Software Foundation, Inc.
|
||||
Contributed by Cygnus Support.
|
||||
|
||||
Written by Steve Chamberlain for Cygnus Support.
|
||||
Re-written by Stu Grossman of Cygnus Support
|
||||
|
||||
This file is part of GDB.
|
||||
This file is part of GDB.
|
||||
|
||||
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 of the License, or
|
||||
(at your option) any later version.
|
||||
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 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.
|
||||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "gdbcore.h"
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||||
|
|
@ -142,6 +142,7 @@ static struct monitor_ops est_cmds =
|
|||
"dr\r", /* dump_registers */
|
||||
"\\(\\w+\\) = \\([0-9a-fA-F]+\\)", /* register_pattern */
|
||||
est_supply_register, /* supply_register */
|
||||
NULL, /* load_routine (defaults to SRECs) */
|
||||
"dl\r", /* download command */
|
||||
"+", /* load response */
|
||||
">BKM>", /* monitor command prompt */
|
||||
|
|
|
|||
|
|
@ -23,7 +23,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|||
#include "monitor.h"
|
||||
#include "serial.h"
|
||||
|
||||
static void rom68k_open PARAMS ((char *, int));
|
||||
static void rom68k_open PARAMS ((char *args, int from_tty));
|
||||
|
||||
static void
|
||||
rom68k_supply_register (regname, regnamelen, val, vallen)
|
||||
|
|
@ -39,40 +39,36 @@ rom68k_supply_register (regname, regnamelen, val, vallen)
|
|||
regno = -1;
|
||||
|
||||
if (regnamelen == 2)
|
||||
{
|
||||
switch (regname[0])
|
||||
{
|
||||
case 'S':
|
||||
if (regname[1] == 'R')
|
||||
regno = PS_REGNUM;
|
||||
switch (regname[0])
|
||||
{
|
||||
case 'S':
|
||||
if (regname[1] == 'R')
|
||||
regno = PS_REGNUM;
|
||||
break;
|
||||
case 'P':
|
||||
if (regname[1] == 'C')
|
||||
regno = PC_REGNUM;
|
||||
break;
|
||||
case 'D':
|
||||
if (regname[1] != 'R')
|
||||
break;
|
||||
case 'P':
|
||||
if (regname[1] == 'C')
|
||||
regno = PC_REGNUM;
|
||||
regno = D0_REGNUM;
|
||||
numregs = 8;
|
||||
break;
|
||||
case 'A':
|
||||
if (regname[1] != 'R')
|
||||
break;
|
||||
case 'D':
|
||||
if (regname[1] != 'R')
|
||||
break;
|
||||
regno = D0_REGNUM;
|
||||
numregs = 8;
|
||||
break;
|
||||
case 'A':
|
||||
if (regname[1] != 'R')
|
||||
break;
|
||||
regno = A0_REGNUM;
|
||||
numregs = 7;
|
||||
break;
|
||||
}
|
||||
}
|
||||
regno = A0_REGNUM;
|
||||
numregs = 7;
|
||||
break;
|
||||
}
|
||||
else if (regnamelen == 3)
|
||||
{
|
||||
switch (regname[0])
|
||||
{
|
||||
case 'I':
|
||||
if (regname[1] == 'S' && regname[2] == 'P')
|
||||
regno = SP_REGNUM;
|
||||
}
|
||||
}
|
||||
switch (regname[0])
|
||||
{
|
||||
case 'I':
|
||||
if (regname[1] == 'S' && regname[2] == 'P')
|
||||
regno = SP_REGNUM;
|
||||
}
|
||||
|
||||
if (regno >= 0)
|
||||
while (numregs-- > 0)
|
||||
|
|
@ -145,6 +141,7 @@ static struct monitor_ops rom68k_cmds =
|
|||
/* register_pattern */
|
||||
"\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)",
|
||||
rom68k_supply_register, /* supply_register */
|
||||
NULL, /* load_routine (defaults to SRECs) */
|
||||
"dc\r", /* download command */
|
||||
"Waiting for S-records from host... ", /* Load response */
|
||||
"ROM68K :->", /* monitor command prompt */
|
||||
|
|
|
|||
|
|
@ -24,6 +24,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|||
#include "target.h"
|
||||
#include "monitor.h"
|
||||
#include "serial.h"
|
||||
#include "xmodem.h"
|
||||
|
||||
static void w89k_open PARAMS ((char *args, int from_tty));
|
||||
|
||||
|
|
@ -154,6 +155,82 @@ w89k_supply_register (regname, regnamelen, val, vallen)
|
|||
val = monitor_supply_register (regno++, val);
|
||||
}
|
||||
|
||||
static int hashmark = 1; /* flag set by "set hash" */
|
||||
|
||||
extern struct monitor_ops w89k_cmds; /* fwd decl */
|
||||
|
||||
static void
|
||||
w89k_load (desc, file, hashmark)
|
||||
serial_t desc;
|
||||
char *file;
|
||||
int hashmark;
|
||||
{
|
||||
bfd *abfd;
|
||||
asection *s;
|
||||
char *buffer;
|
||||
int i;
|
||||
|
||||
buffer = alloca (XMODEM_PACKETSIZE);
|
||||
|
||||
abfd = bfd_openr (file, 0);
|
||||
if (!abfd)
|
||||
{
|
||||
printf_filtered ("Unable to open file %s\n", file);
|
||||
return;
|
||||
}
|
||||
|
||||
if (bfd_check_format (abfd, bfd_object) == 0)
|
||||
{
|
||||
printf_filtered ("File is not an object file\n");
|
||||
return;
|
||||
}
|
||||
|
||||
for (s = abfd->sections; s; s = s->next)
|
||||
if (s->flags & SEC_LOAD)
|
||||
{
|
||||
bfd_size_type section_size;
|
||||
|
||||
printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
|
||||
s->vma + s->_raw_size);
|
||||
gdb_flush (gdb_stdout);
|
||||
|
||||
monitor_printf (w89k_cmds.load, s->vma);
|
||||
if (w89k_cmds.loadresp)
|
||||
monitor_expect (w89k_cmds.loadresp, NULL, 0);
|
||||
|
||||
xmodem_init_xfer (desc);
|
||||
|
||||
section_size = bfd_section_size (abfd, s);
|
||||
|
||||
for (i = 0; i < section_size; i += XMODEM_DATASIZE)
|
||||
{
|
||||
int numbytes;
|
||||
|
||||
numbytes = min (XMODEM_DATASIZE, section_size - i);
|
||||
|
||||
bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
|
||||
numbytes);
|
||||
|
||||
xmodem_send_packet (desc, buffer, numbytes, hashmark);
|
||||
|
||||
if (hashmark)
|
||||
{
|
||||
putchar_unfiltered ('#');
|
||||
gdb_flush (gdb_stdout);
|
||||
}
|
||||
} /* Per-packet (or S-record) loop */
|
||||
|
||||
xmodem_finish_xfer (desc);
|
||||
|
||||
monitor_expect_prompt (NULL, 0);
|
||||
|
||||
putchar_unfiltered ('\n');
|
||||
} /* Loadable sections */
|
||||
|
||||
if (hashmark)
|
||||
putchar_unfiltered ('\n');
|
||||
}
|
||||
|
||||
/*
|
||||
* Define the monitor command strings. Since these are passed directly
|
||||
* through to a printf style function, we need can include formatting
|
||||
|
|
@ -162,7 +239,7 @@ w89k_supply_register (regname, regnamelen, val, vallen)
|
|||
|
||||
static struct target_ops w89k_ops;
|
||||
|
||||
static char *w89k_loadtypes[] = {"srec", NULL};
|
||||
static char *w89k_loadtypes[] = {"binary", NULL};
|
||||
static char *w89k_loadprotos[] = {"xmodem", NULL};
|
||||
|
||||
static char *w89k_inits[] = {"\r", NULL};
|
||||
|
|
@ -211,8 +288,9 @@ static struct monitor_ops w89k_cmds =
|
|||
"r\r", /* dump_registers */
|
||||
"\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+",
|
||||
w89k_supply_register, /* supply_register */
|
||||
"u\r", /* download command */
|
||||
"u\n\r", /* load response */
|
||||
w89k_load, /* load routine */
|
||||
"u %x\r", /* download command */
|
||||
"\r", /* load response */
|
||||
"ROM>", /* monitor command prompt */
|
||||
NULL, /* end-of-command delimitor */
|
||||
NULL, /* optional command terminator */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,284 @@
|
|||
/* XMODEM support for GDB, the GNU debugger.
|
||||
Copyright 1995 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "serial.h"
|
||||
#include "target.h"
|
||||
#include "xmodem.h"
|
||||
|
||||
/* These definitions are for xmodem protocol. */
|
||||
|
||||
#define SOH 0x01
|
||||
#define STX 0x02
|
||||
#define ACK 0x06
|
||||
#define NAK 0x15
|
||||
#define EOT 0x04
|
||||
#define CANCEL 0x18
|
||||
|
||||
static int blknum; /* XMODEM block number */
|
||||
static int crcflag; /* Sez we are using CRC's instead of cksums */
|
||||
|
||||
static int
|
||||
readchar (desc, timeout)
|
||||
serial_t desc;
|
||||
int timeout;
|
||||
{
|
||||
int c;
|
||||
|
||||
c = SERIAL_READCHAR (desc, timeout);
|
||||
|
||||
if (remote_debug > 0)
|
||||
fputc_unfiltered (c, gdb_stderr);
|
||||
|
||||
if (c >= 0)
|
||||
return c;
|
||||
|
||||
if (c == SERIAL_TIMEOUT)
|
||||
error ("Timeout reading from remote system.");
|
||||
|
||||
perror_with_name ("xmodem.c:readchar()");
|
||||
}
|
||||
|
||||
#define CRC16 0x1021 /* Generator polynomial (X^16 + X^12 + X^5 + 1) */
|
||||
|
||||
static unsigned short *crctab;
|
||||
|
||||
/* Call this to init the fast CRC-16 calculation table. */
|
||||
|
||||
static void
|
||||
crcinit ()
|
||||
{
|
||||
static int crctab_inited = 0;
|
||||
int val;
|
||||
|
||||
if (crctab_inited == 1)
|
||||
return;
|
||||
|
||||
crctab = xmalloc (256 * sizeof (short));
|
||||
|
||||
for (val = 0; val <= 255; val++)
|
||||
{
|
||||
int i;
|
||||
unsigned int crc;
|
||||
|
||||
crc = val << 8;
|
||||
|
||||
for (i = 0; i < 8; ++i)
|
||||
{
|
||||
crc <<= 1;
|
||||
|
||||
if (crc & 0x10000)
|
||||
crc ^= CRC16;
|
||||
}
|
||||
|
||||
crctab [val] = crc;
|
||||
}
|
||||
|
||||
crctab_inited = 1;
|
||||
}
|
||||
|
||||
/* Calculate a CRC-16 for the LEN byte message pointed at by P. */
|
||||
|
||||
static unsigned short
|
||||
docrc (p, len)
|
||||
unsigned char *p;
|
||||
int len;
|
||||
{
|
||||
unsigned short crc = 0;
|
||||
|
||||
while (len-- > 0)
|
||||
crc = (crc << 8) ^ crctab [(crc >> 8) ^ *p++];
|
||||
|
||||
return crc;
|
||||
}
|
||||
|
||||
/* Start up the transmit process. Reset state variables. Wait for receiver to
|
||||
send NAK or CRC request. */
|
||||
|
||||
int
|
||||
xmodem_init_xfer (desc)
|
||||
serial_t desc;
|
||||
{
|
||||
int c;
|
||||
int i;
|
||||
|
||||
blknum = 1;
|
||||
crcflag = 0;
|
||||
crcinit ();
|
||||
|
||||
for (i = 1; i <= 10; i++)
|
||||
{
|
||||
c = readchar (desc, 6);
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case 'C':
|
||||
crcflag = 1;
|
||||
case NAK:
|
||||
return 0;
|
||||
default:
|
||||
fprintf_unfiltered (gdb_stderr, "xmodem_init_xfer: Got unexpected character %c (0%o)\n", c, c);
|
||||
continue;
|
||||
case CANCEL: /* target aborted load */
|
||||
fprintf_unfiltered (gdb_stderr, "Got a CANCEL from the target.\n");
|
||||
continue;
|
||||
}
|
||||
}
|
||||
error ("xmodem_init_xfer: Too many unexpected characters.");
|
||||
}
|
||||
|
||||
/* Take 128 bytes of data and make a packet out of it.
|
||||
*
|
||||
* Each packet looks like this:
|
||||
* +-----+-------+-------+------+-----+
|
||||
* | SOH | Seq1. | Seq2. | data | SUM |
|
||||
* +-----+-------+-------+------+-----+
|
||||
* SOH = 0x01
|
||||
* Seq1 = The sequence number.
|
||||
* Seq2 = The complement of the sequence number.
|
||||
* Data = A 128 bytes of data.
|
||||
* SUM = Add the contents of the 128 bytes and use the low-order
|
||||
* 8 bits of the result.
|
||||
*
|
||||
* send_xmodem_packet fills in the XMODEM fields of PACKET and sends it to the
|
||||
* remote system. PACKET must be XMODEM_PACKETSIZE bytes long. The data must
|
||||
* start 3 bytes after the beginning of the packet to leave room for the
|
||||
* XMODEM header. LEN is the length of the data portion of the packet (and
|
||||
* must be <= 128 bytes). If it is < 128 bytes, ^Z padding will be added.
|
||||
*/
|
||||
|
||||
void
|
||||
xmodem_send_packet (desc, packet, len, hashmark)
|
||||
serial_t desc;
|
||||
unsigned char *packet;
|
||||
int len;
|
||||
int hashmark;
|
||||
{
|
||||
int i;
|
||||
int retries;
|
||||
int pktlen;
|
||||
int datasize;
|
||||
|
||||
/* build the packet header */
|
||||
|
||||
packet[1] = blknum;
|
||||
packet[2] = ~blknum;
|
||||
|
||||
blknum++;
|
||||
|
||||
if (len <= XMODEM_DATASIZE)
|
||||
{
|
||||
packet[0] = SOH;
|
||||
datasize = XMODEM_DATASIZE;
|
||||
}
|
||||
else if (len <= XMODEM_1KDATASIZE)
|
||||
{
|
||||
packet[0] = STX;
|
||||
datasize = XMODEM_1KDATASIZE;
|
||||
}
|
||||
else
|
||||
abort (); /* Packet way too large */
|
||||
|
||||
/* Add ^Z padding if packet < 128 (or 1024) bytes */
|
||||
|
||||
memset (packet + 3 + len, '\026', datasize - len);
|
||||
|
||||
if (crcflag)
|
||||
{
|
||||
int crc;
|
||||
|
||||
crc = docrc (packet + 3, datasize);
|
||||
|
||||
packet[3 + datasize] = crc >> 8;
|
||||
packet[3 + datasize + 1] = crc;
|
||||
pktlen = datasize + 5;
|
||||
}
|
||||
else
|
||||
{
|
||||
int sum;
|
||||
|
||||
sum = 0;
|
||||
for (i = 3; i < datasize + 3; i++)
|
||||
sum += packet[i];
|
||||
|
||||
packet[3 + datasize] = sum; /* add the checksum */
|
||||
pktlen = datasize + 4;
|
||||
}
|
||||
|
||||
for (retries = 3; retries >= 0; retries--)
|
||||
{
|
||||
int c;
|
||||
|
||||
SERIAL_WRITE (desc, packet, pktlen);
|
||||
|
||||
c = readchar (desc, 3);
|
||||
switch (c)
|
||||
{
|
||||
case ACK:
|
||||
return;
|
||||
case NAK:
|
||||
if (!hashmark)
|
||||
continue;
|
||||
putchar_unfiltered ('-');
|
||||
gdb_flush (gdb_stdout);
|
||||
continue;
|
||||
case CANCEL:
|
||||
error ("xmodem_send_packet: Transfer aborted by receiver.");
|
||||
default:
|
||||
fprintf_unfiltered (gdb_stderr, "xmodem_send_packet: Got unexpected character %c (0%o)\n", c, c);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
SERIAL_WRITE (desc, "\004", 1); /* Send an EOT */
|
||||
|
||||
error ("xmodem_send_packet: Excessive retries.");
|
||||
}
|
||||
|
||||
/* Finish off the transfer. Send out the EOT, and wait for an ACK. */
|
||||
|
||||
void
|
||||
xmodem_finish_xfer (desc)
|
||||
serial_t desc;
|
||||
{
|
||||
int retries;
|
||||
|
||||
for (retries = 10; retries >= 0; retries--)
|
||||
{
|
||||
int c;
|
||||
|
||||
SERIAL_WRITE (desc, "\004", 1); /* Send an EOT */
|
||||
|
||||
c = readchar (desc, 3);
|
||||
switch (c)
|
||||
{
|
||||
case ACK:
|
||||
return;
|
||||
case NAK:
|
||||
continue;
|
||||
case CANCEL:
|
||||
error ("xmodem_finish_xfer: Transfer aborted by receiver.");
|
||||
default:
|
||||
fprintf_unfiltered (gdb_stderr, "xmodem_send_packet: Got unexpected character %c (0%o)\n", c, c);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
error ("xmodem_finish_xfer: Excessive retries.");
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/* XMODEM support for GDB, the GNU debugger.
|
||||
Copyright 1995 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
int xmodem_init_xfer PARAMS ((serial_t desc));
|
||||
void send_xmodem_packet PARAMS ((serial_t desc, unsigned char *packet, int len,
|
||||
int hashmark));
|
||||
void xmodem_finish_xfer PARAMS ((serial_t desc));
|
||||
|
||||
#define XMODEM_DATASIZE 128 /* The data size is ALWAYS 128 */
|
||||
#define XMODEM_1KDATASIZE 1024 /* Unless it's 1024!!! */
|
||||
#define XMODEM_PACKETSIZE 133 /* data + packet headers and crc */
|
||||
#define XMODEM_1KPACKETSIZE 1024 + 5 /* data + packet headers and crc */
|
||||
#define XMODEM_DATAOFFSET 3 /* Offset to start of actual data */
|
||||
Loading…
Reference in New Issue