Wed Apr 26 19:01:08 1995 Steve Chamberlain <sac@slash.cygnus.com>
* remote-hms.c: Rewrite to use new monitor conventions.
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Steve Chamberlain
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@ -1,3 +1,7 @@
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Wed Apr 26 19:01:08 1995 Steve Chamberlain <sac@slash.cygnus.com>
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* remote-hms.c: Rewrite to use new monitor conventions.
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Tue Apr 25 11:27:14 1995 Jim Kingdon (kingdon@lioth.cygnus.com)
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* dbxread.c: Add comment explaining lowest_text_address.
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@ -461,6 +465,7 @@ Fri Apr 7 17:43:01 1995 Stu Grossman (grossman@andros.cygnus.com)
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* config/pa/tm-hppa.h: Define lots register offsets needed by
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w89k-rom.c.
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Thu Apr 6 17:00:46 1995 Michael Meissner <meissner@tiktok.cygnus.com>
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* Makefile.in (X11_INCLUDES): Define as empty.
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172
gdb/remote-hms.c
172
gdb/remote-hms.c
@ -1,5 +1,5 @@
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/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
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Copyright 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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Copyright 1995 Free Software Foundation, Inc.
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Contributed by Cygnus Support. Written by Steve Chamberlain
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(sac@cygnus.com).
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@ -20,6 +20,156 @@
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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 hms_open PARAMS ((char *args, int from_tty));
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static void
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hms_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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if (regname[0] != 'P')
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return;
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/* We scan off all the registers in one go */
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val = monitor_supply_register (PC_REGNUM, val);
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/* Skip the ccr string */
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while (*val != '=' && *val)
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val++;
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val = monitor_supply_register (CCR_REGNUM, val + 1);
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/* Skip up to rest of regs */
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while (*val != '=' && *val)
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val++;
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for (regno = 0; regno < 7; regno++)
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{
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val = monitor_supply_register (regno, val + 1);
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}
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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 a "r30".
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*/
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static char *hms_regnames[NUM_REGS] =
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{
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"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "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 hms_ops;
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static char *hms_inits[] =
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{"\003", /* Resets the prompt, and clears repeated cmds */
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NULL};
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static struct monitor_ops hms_cmds =
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{
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MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE,
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hms_inits, /* Init strings */
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"g\r", /* continue command */
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"s\r", /* single step */
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"\003", /* ^C interrupts the program */
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"b %x\r", /* set a breakpoint */
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"b - %x\r", /* clear a breakpoint */
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"b -\r", /* clear all breakpoints */
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"f %x %x %x\r", /* fill (start end val) */
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{
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"m.b %x=%x\r", /* setmem.cmdb (addr, value) */
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"m.w %x=%x\r", /* setmem.cmdw (addr, value) */
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NULL, /* 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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"m.b %x %x\r", /* getmem.cmdb (addr, addr) */
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"m.w %x %x\r", /* getmem.cmdw (addr, addr) */
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NULL, /* getmem.cmdl (addr, addr) */
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NULL, /* getmem.cmdll (addr, addr) */
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": ", /* getmem.resp_delim */
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">", /* getmem.term */
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"\003", /* getmem.term_cmd */
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},
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{
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"\003r %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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"r %s\r", /* getreg.cmd (name) */
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" (", /* getreg.resp_delim */
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"):", /* getreg.term */
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"\003", /* getreg.term_cmd */
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},
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"r\r", /* dump_registers */
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"\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */
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hms_supply_register, /* supply_register */
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NULL, /* load_routine (defaults to SRECs) */
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"tl\r", /* download command */
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NULL, /* load response */
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">", /* monitor command prompt */
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NULL, /* end-of-command delimitor */
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NULL, /* optional command terminator */
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&hms_ops, /* target operations */
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SERIAL_1_STOPBITS, /* number of stop bits */
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hms_regnames, /* registers names */
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MONITOR_OPS_MAGIC /* magic */
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};
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void
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hms_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, &hms_cmds, from_tty);
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}
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int write_dos_tick_delay;
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void
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_initialize_remote_hms ()
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{
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init_monitor_ops (&hms_ops);
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hms_ops.to_shortname = "hms";
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hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor";
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hms_ops.to_doc = "Debug via the HMS monitor.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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hms_ops.to_open = hms_open;
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/* By trial and error I've found that this delay doesn't break things */
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write_dos_tick_delay = 1;
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add_target (&hms_ops);
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}
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#if 0
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/* This is kept here because we used to support the H8/500 in this module,
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and I haven't done the H8/500 yet */
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#include "defs.h"
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#include "inferior.h"
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#include "wait.h"
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#include "value.h"
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@ -53,7 +203,8 @@ static void remove_commands ();
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static int quiet = 1; /* FIXME - can be removed after Dec '94 */
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static DCACHE *remote_dcache;
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DCACHE *dcache_ptr;
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int remote_dcache;
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serial_t desc;
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@ -112,7 +263,7 @@ readchar ()
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return buf & 0x7f;
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}
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static void
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static void
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flush ()
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{
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while (1)
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@ -382,6 +533,7 @@ hms_close (quitting)
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SERIAL_CLOSE (desc);
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}
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is_open = 0;
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remote_dcache = 0;
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}
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/* Terminate the open connection to the remote debugger. Use this
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@ -410,7 +562,7 @@ hms_resume (pid, step, sig)
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enum target_signal
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sig;
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{
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dcache_flush (remote_dcache);
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dcache_flush (dcache_ptr);
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if (step)
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{
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@ -890,7 +1042,7 @@ int
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hms_fetch_word (addr)
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CORE_ADDR addr;
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{
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return dcache_fetch (remote_dcache, addr);
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return dcache_fetch (dcache_ptr, addr);
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}
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/* Write a word WORD into remote address ADDR.
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@ -901,7 +1053,7 @@ hms_store_word (addr, word)
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CORE_ADDR addr;
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int word;
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{
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dcache_poke (remote_dcache, addr, word);
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dcache_poke (dcache_ptr, addr, word);
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}
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int
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@ -1252,9 +1404,9 @@ hms_open (name, from_tty)
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SERIAL_RAW (desc);
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is_open = 1;
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push_target (&hms_ops);
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dcache_init (hms_read_inferior_memory,
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hms_write_inferior_memory);
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dcache_ptr = dcache_init (hms_read_inferior_memory,
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hms_write_inferior_memory);
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remote_dcache = 1;
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/* Hello? Are you there? */
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SERIAL_WRITE (desc, "\r\n", 2);
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expect_prompt ();
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@ -1400,3 +1552,5 @@ _initialize_remote_hms ()
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dev_name = NULL;
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}
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#endif
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