-/* Remote debugging interface for HMS Monitor Version 1.0
-
+/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
Copyright 1992 Free Software Foundation, Inc.
-
- Contributed by Steve Chamberlain sac@cygnus.com
-
+ Contributed by Cygnus Support. Written by Steve Chamberlain
+ (sac@cygnus.com).
This file is part of GDB.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
-#include <stdio.h>
-#include <string.h>
#include "defs.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
+#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
/* External data declarations */
extern int stop_soon_quietly; /* for wait_for_inferior */
-/* External function declarations */
-extern struct value *call_function_by_hand();
-
/* Forward data declarations */
extern struct target_ops hms_ops; /* Forward declaration */
extern struct target_ops hms_ops;
-#define DEBUG
+static int quiet = 1;
+
#ifdef DEBUG
-# define DENTER(NAME) (printf_filtered("Entering %s\n",NAME), fflush(stdout))
-# define DEXIT(NAME) (printf_filtered("Exiting %s\n",NAME), fflush(stdout))
+# define DENTER(NAME) if (!quiet) (printf_filtered("Entering %s\n",NAME), fflush(stdout))
+# define DEXIT(NAME) if (!quiet) (printf_filtered("Exiting %s\n",NAME), fflush(stdout))
#else
# define DENTER(NAME)
# define DEXIT(NAME)
#endif
+/***********************************************************************/
+/* Caching stuff stolen from remote-nindy.c */
-static int timeout = 5;
-static char *dev_name = "/dev/ttya";
+/* The data cache records all the data read from the remote machine
+ since the last time it stopped.
+ Each cache block holds LINE_SIZE bytes of data
+ starting at a multiple-of-LINE_SIZE address. */
-static int quiet;
-/* Descriptor for I/O to remote machine. Initialize it to -1 so that
- hms_open knows that we don't have a file open when the program
- starts. */
-int hms_desc = -1;
-#define OPEN(x) ((x) >= 0)
+#define LINE_SIZE_POWER 4
+#define LINE_SIZE (1<<LINE_SIZE_POWER) /* eg 1<<3 == 8 */
+#define LINE_SIZE_MASK ((LINE_SIZE-1)) /* eg 7*2+1= 111*/
+#define DCACHE_SIZE 64 /* Number of cache blocks */
+#define XFORM(x) ((x&LINE_SIZE_MASK)>>2)
+struct dcache_block {
+ struct dcache_block *next, *last;
+ unsigned int addr; /* Address for which data is recorded. */
+ int data[LINE_SIZE/sizeof(int)];
+};
+struct dcache_block dcache_free, dcache_valid;
-#define ON 1
-#define OFF 0
-static void
-rawmode(desc, turnon)
-int desc;
-int turnon;
+/* Free all the data cache blocks, thus discarding all cached data. */
+static
+void
+dcache_flush ()
{
- TERMINAL sg;
+ register struct dcache_block *db;
- if (desc < 0)
- return;
+ while ((db = dcache_valid.next) != &dcache_valid)
+ {
+ remque (db);
+ insque (db, &dcache_free);
+ }
+}
- ioctl (desc, TIOCGETP, &sg);
+/*
+ * If addr is present in the dcache, return the address of the block
+ * containing it.
+ */
+static
+struct dcache_block *
+dcache_hit (addr)
+ unsigned int addr;
+{
+ register struct dcache_block *db;
- if (turnon) {
-#ifdef HAVE_TERMIO
- sg.c_lflag &= ~(ICANON);
-#else
- sg.sg_flags |= RAW;
-#endif
- } else {
-#ifdef HAVE_TERMIO
- sg.c_lflag |= ICANON;
-#else
- sg.sg_flags &= ~(RAW);
-#endif
+ if (addr & 3)
+ abort ();
+
+ /* Search all cache blocks for one that is at this address. */
+ db = dcache_valid.next;
+ while (db != &dcache_valid)
+ {
+ if ((addr & ~LINE_SIZE_MASK)== db->addr)
+ return db;
+ db = db->next;
+ }
+ return NULL;
+}
+
+/* Return the int data at address ADDR in dcache block DC. */
+static
+int
+dcache_value (db, addr)
+ struct dcache_block *db;
+ unsigned int addr;
+{
+ if (addr & 3)
+ abort ();
+ return (db->data[XFORM(addr)]);
+}
+
+/* Get a free cache block, put or keep it on the valid list,
+ and return its address. The caller should store into the block
+ the address and data that it describes, then remque it from the
+ free list and insert it into the valid list. This procedure
+ prevents errors from creeping in if a ninMemGet is interrupted
+ (which used to put garbage blocks in the valid list...). */
+static
+struct dcache_block *
+dcache_alloc ()
+{
+ register struct dcache_block *db;
+
+ if ((db = dcache_free.next) == &dcache_free)
+ {
+ /* If we can't get one from the free list, take last valid and put
+ it on the free list. */
+ db = dcache_valid.last;
+ remque (db);
+ insque (db, &dcache_free);
+ }
+
+ remque (db);
+ insque (db, &dcache_valid);
+ return (db);
+}
+
+/* Return the contents of the word at address ADDR in the remote machine,
+ using the data cache. */
+static
+int
+dcache_fetch (addr)
+ CORE_ADDR addr;
+{
+ register struct dcache_block *db;
+
+ db = dcache_hit (addr);
+ if (db == 0)
+ {
+ db = dcache_alloc ();
+ immediate_quit++;
+ hms_read_inferior_memory(addr & ~LINE_SIZE_MASK, (unsigned char *)db->data, LINE_SIZE);
+ immediate_quit--;
+ db->addr = addr & ~LINE_SIZE_MASK;
+ remque (db); /* Off the free list */
+ insque (db, &dcache_valid); /* On the valid list */
+ }
+ return (dcache_value (db, addr));
+}
+
+/* Write the word at ADDR both in the data cache and in the remote machine. */
+static void
+dcache_poke (addr, data)
+ CORE_ADDR addr;
+ int data;
+{
+ register struct dcache_block *db;
+
+ /* First make sure the word is IN the cache. DB is its cache block. */
+ db = dcache_hit (addr);
+ if (db == 0)
+ {
+ db = dcache_alloc ();
+ immediate_quit++;
+ hms_write_inferior_memory(addr & ~LINE_SIZE_MASK, (unsigned char *)db->data, LINE_SIZE);
+ immediate_quit--;
+ db->addr = addr & ~LINE_SIZE_MASK;
+ remque (db); /* Off the free list */
+ insque (db, &dcache_valid); /* On the valid list */
}
- ioctl (desc, TIOCSETP, &sg);
+
+ /* Modify the word in the cache. */
+ db->data[XFORM(addr)] = data;
+
+ /* Send the changed word. */
+ immediate_quit++;
+ hms_write_inferior_memory(addr, (unsigned char *)&data, 4);
+ immediate_quit--;
}
-/* Suck up all the input from the hms */
-slurp_input()
+/* The cache itself. */
+struct dcache_block the_cache[DCACHE_SIZE];
+
+/* Initialize the data cache. */
+static void
+dcache_init ()
{
- char buf[8];
+ register i;
+ register struct dcache_block *db;
+
+ db = the_cache;
+ dcache_free.next = dcache_free.last = &dcache_free;
+ dcache_valid.next = dcache_valid.last = &dcache_valid;
+ for (i=0;i<DCACHE_SIZE;i++,db++)
+ insque (db, &dcache_free);
+}
-#ifdef HAVE_TERMIO
- /* termio does the timeout for us. */
- while (read (hms_desc, buf, 8) > 0);
-#else
- alarm (timeout);
- while (read (hms_desc, buf, 8) > 0);
- alarm (0);
-#endif
+
+/***********************************************************************
+ * I/O stuff stolen from remote-eb.c
+ ***********************************************************************/
+
+static int timeout = 2;
+
+static const char *dev_name;
+
+
+/* Descriptor for I/O to remote machine. Initialize it to -1 so that
+ hms_open knows that we don't have a file open when the program
+ starts. */
+
+
+int is_open = 0;
+int check_open()
+{
+ if (!is_open)
+ {
+ error("remote device not open");
+ }
}
+#define ON 1
+#define OFF 0
+
/* Read a character from the remote system, doing all the fancy
timeout stuff. */
static int
readchar ()
{
- char buf;
+ int ok;
+ int buf;
+ buf = serial_timedreadchar(timeout, &ok);
- buf = '\0';
-#ifdef HAVE_TERMIO
- /* termio does the timeout for us. */
- read (hms_desc, &buf, 1);
-#else
- alarm (timeout);
- if (read (hms_desc, &buf, 1) < 0)
- {
- if (errno == EINTR)
- error ("Timeout reading from remote system.");
- else
- perror_with_name ("remote");
- }
- alarm (0);
-#endif
+ if (!ok)
+ error ("Timeout reading from remote system.");
- if (buf == '\0')
- error ("Timeout reading from remote system.");
+ if (!quiet)
+ printf("%c",buf);
+
+ return buf & 0x7f;
+}
-if (!quiet)
- printf("'%c'",buf);
+static int
+readchar_nofail ()
+{
+ int ok;
+ int buf;
+ buf = serial_timedreadchar(timeout, &ok);
+ if (!ok) buf = 0;
+ if (!quiet)
+ printf("%c",buf);
return buf & 0x7f;
+
}
/* Keep discarding input from the remote system, until STRING is found.
static void
expect_prompt ()
{
-
expect ("HMS>");
}
return val;
}
/* Called when SIGALRM signal sent due to alarm() timeout. */
-#ifndef HAVE_TERMIO
-
-#ifndef __STDC__
-# ifndef volatile
-# define volatile /**/
-# endif
-#endif
-volatile int n_alarms;
-void
-hms_timer ()
-{
-#if 0
- if (kiodebug)
- printf ("hms_timer called\n");
-#endif
- n_alarms++;
-}
-#endif
-/* malloc'd name of the program on the remote system. */
-static char *prog_name = NULL;
/* Number of SIGTRAPs we need to simulate. That is, the next
NEED_ARTIFICIAL_TRAP calls to hms_wait should just return
char *arg;
int from_tty;
{
-#if 0
- DENTER("hms_kill()");
- fprintf (hms_stream, "K");
- fprintf (hms_stream, "\r");
- expect_prompt ();
- DEXIT("hms_kill()");
-#endif
}
+
+
+
/*
* Download a file specified in 'args', to the hms.
*/
asection *s;
int n;
char buffer[1024];
-
+
+
DENTER("hms_load()");
- if (!OPEN(hms_desc))
- {
- printf_filtered("HMS not open. Use 'target' command to open HMS\n");
- return;
- }
+ check_open();
+
+ dcache_flush();
+ inferior_pid = 0;
abfd = bfd_openr(args,"coff-h8300");
if (!abfd)
{
- printf_filtered("Can't open a bfd on file\n");
+ printf_filtered("Unable to open file %s\n", args);
return;
}
{
if (s->flags & SEC_LOAD)
{
- char *buffer = xmalloc(s->_raw_size);
- bfd_get_section_contents(abfd, s, buffer, 0, s->_raw_size);
+ int i;
- hms_write_inferior_memory(s->vma, buffer, s->_raw_size);
+
+#define DELTA 1024
+ char *buffer = xmalloc(DELTA);
+ printf_filtered("%s\t: 0x%4x .. 0x%4x ",s->name, s->vma, s->vma + s->_raw_size);
+ for (i = 0; i < s->_raw_size; i+= DELTA)
+ {
+ int delta = DELTA;
+ if (delta > s->_raw_size - i)
+ delta = s->_raw_size - i ;
+
+ bfd_get_section_contents(abfd, s, buffer, i, delta);
+ hms_write_inferior_memory(s->vma + i, buffer, delta);
+ printf_filtered("*");
+ fflush(stdout);
+ }
+ printf_filtered( "\n");
free(buffer);
}
s = s->next;
}
+ sprintf(buffer, "r PC=%x", abfd->start_address);
+ hms_write_cr(buffer);
+ expect_prompt();
DEXIT("hms_load()");
}
char **env;
{
int entry_pt;
-
+ char buffer[100];
DENTER("hms_create_inferior()");
if (args && *args)
error ("No exec file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
+ check_open();
- if (OPEN(hms_desc))
- {
-
- hms_kill(NULL,NULL);
- hms_clear_breakpoints();
- init_wait_for_inferior ();
- /* Clear the input because what the hms sends back is different
- * depending on whether it was running or not.
- */
- /* slurp_input(); /* After this there should be a prompt */
- hms_write_cr("r");
-
- expect_prompt();
- printf_filtered("Do you want to download '%s' (y/n)? [y] : ",prog_name);
- {
- char buffer[10];
- gets(buffer);
- if (*buffer != 'n') {
- hms_load(prog_name,0);
- }
- }
+ hms_kill(NULL,NULL);
+ hms_clear_breakpoints();
+ init_wait_for_inferior ();
+ hms_write_cr("");
+ expect_prompt();
- insert_breakpoints (); /* Needed to get correct instruction in cache */
- proceed(entry_pt, -1, 0);
+ insert_breakpoints (); /* Needed to get correct instruction in cache */
+ proceed(entry_pt, -1, 0);
- } else
- {
- printf_filtered("Hms not open yet.\n");
- }
DEXIT("hms_create_inferior()");
}
-/* Translate baud rates from integers to damn B_codes. Unix should
- have outgrown this crap years ago, but even POSIX wouldn't buck it. */
-
-#ifndef B19200
-#define B19200 EXTA
-#endif
-#ifndef B38400
-#define B38400 EXTB
-#endif
-
-static struct {int rate, damn_b;} baudtab[] = {
- {0, B0},
- {50, B50},
- {75, B75},
- {110, B110},
- {134, B134},
- {150, B150},
- {200, B200},
- {300, B300},
- {600, B600},
- {1200, B1200},
- {1800, B1800},
- {2400, B2400},
- {4800, B4800},
- {9600, B9600},
- {19200, B19200},
- {38400, B38400},
- {-1, -1},
-};
-
-static int damn_b (rate)
- int rate;
-{
- int i;
-
- for (i = 0; baudtab[i].rate != -1; i++)
- if (rate == baudtab[i].rate) return baudtab[i].damn_b;
- return B38400; /* Random */
-}
-
/* Open a connection to a remote debugger.
NAME is the filename used for communication, then a space,
}
static int baudrate = 9600;
+
+static int
+is_baudrate_right()
+{
+ int ok;
+ /* Put this port into NORMAL mode, send the 'normal' character */
+
+ hms_write("\001", 1); /* Control A */
+ hms_write("\r", 1); /* Cr */
+
+ while (1)
+ {
+ serial_timedreadchar(timeout, &ok);
+ if (!ok) break;
+ }
+
+ hms_write("r",1);
+
+ if (readchar_nofail() == 'r')
+ return 1;
+
+ /* Not the right baudrate, or the board's not on */
+ return 0;
+}
+static void
+set_rate()
+{
+ if (!serial_setbaudrate(baudrate))
+ error("Can't set baudrate");
+}
+
+static void
+get_baudrate_right()
+{
+ while (!is_baudrate_right())
+ {
+ baudrate = serial_nextbaudrate(baudrate);
+ if (baudrate == 0) {
+ printf_filtered("Board not yet in sync\n");
+ break;
+ }
+ printf_filtered("Board not responding, trying %d baud\n",baudrate);
+ QUIT;
+ serial_setbaudrate(baudrate);
+ }
+}
+
static void
hms_open (name, from_tty)
char *name;
int from_tty;
{
- TERMINAL sg;
+
unsigned int prl;
char *p;
name = "";
}
-
- printf("Input string %s\n", name);
-
- prog_name = get_word(&name);
-
- hms_close (0);
-
- hms_desc = open (dev_name, O_RDWR);
- if (hms_desc < 0)
- perror_with_name (dev_name);
- ioctl (hms_desc, TIOCGETP, &sg);
-#ifdef HAVE_TERMIO
- sg.c_cc[VMIN] = 0; /* read with timeout. */
- sg.c_cc[VTIME] = timeout * 10;
- sg.c_lflag &= ~(ICANON | ECHO);
- sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate);
-#else
- sg.sg_ispeed = damn_b (baudrate);
- sg.sg_ospeed = damn_b (baudrate);
- sg.sg_flags |= RAW | ANYP;
- sg.sg_flags &= ~ECHO;
-#endif
+ if (is_open)
+ hms_close (0);
+ if (name && strlen(name))
+ dev_name = strdup(name);
+ if (!serial_open(dev_name))
+ perror_with_name ((char *)dev_name);
+ serial_raw();
+ is_open = 1;
- ioctl (hms_desc, TIOCSETP, &sg);
-
- push_target (&hms_ops);
- /* start_remote (); /* Initialize gdb process mechanisms */
+ dcache_init();
-#ifndef HAVE_TERMIO
-#ifndef NO_SIGINTERRUPT
- /* Cause SIGALRM's to make reads fail with EINTR instead of resuming
- the read. */
- if (siginterrupt (SIGALRM, 1) != 0)
- perror ("hms_open: error in siginterrupt");
-#endif
-
- /* Set up read timeout timer. */
- if ((void (*)) signal (SIGALRM, hms_timer) == (void (*)) -1)
- perror ("hms_open: error in signal");
-#endif
-
+ /* start_remote (); /* Initialize gdb process mechanisms */
- /* Put this port into NORMAL mode, send the 'normal' character */
- hms_write("\001", 1); /* Control A */
- hms_write("\r", 1); /* Cr */
- expect_prompt ();
+ get_baudrate_right();
/* Hello? Are you there? */
- write (hms_desc, "\r", 1);
-
+ serial_write("\r",1);
expect_prompt ();
/* Clear any break points */
hms_clear_breakpoints();
- printf_filtered("Remote debugging on an H8/300 HMS via %s %s.\n",dev_name,prog_name);
+ printf_filtered("Connected to remote H8/300 HMS system.\n");
DEXIT("hms_open()");
}
hms_clear_breakpoints();
/* Put this port back into REMOTE mode */
- if (OPEN(hms_desc)) {
-
- sleep(1); /* Let any output make it all the way back */
- write(hms_desc, "R\r", 2);
- }
-
- /* Due to a bug in Unix, fclose closes not only the stdio stream,
- but also the file descriptor. So we don't actually close
- hms_desc. */
- if (OPEN(hms_desc))
- close (hms_desc);
-
- /* Do not try to close hms_desc again, later in the program. */
-
- hms_desc = -1;
+ sleep(1); /* Let any output make it all the way back */
+ serial_write("R\r", 2);
+ serial_close();
+ is_open = 0;
DEXIT("hms_close()");
}
{
DENTER("hms_attach()");
- if (from_tty)
- printf_filtered ("Attaching to remote program %s.\n", prog_name);
/* push_target(&hms_ops); /* This done in hms_open() */
int from_tty;
{
DENTER("hms_detach()");
- if (OPEN(hms_desc)) { /* Send it on its way (tell it to continue) */
+ if (is_open)
+ {
hms_clear_breakpoints();
-#if 0
- fprintf(hms_stream,"G\r");
-#endif
}
pop_target(); /* calls hms_close to do the real work */
int step, sig;
{
DENTER("hms_resume()");
+ dcache_flush();
+
if (step)
{
hms_write_cr("s");
-
- hms_write("\003",1);
- expect_prompt();
+ expect("Step>");
+
/* Force the next hms_wait to return a trap. Not doing anything
about I/O from the target means that the user has to type
"continue" to see any. FIXME, this should be fixed. */
else
{
hms_write_cr("g");
- expect("g\r");
+ expect("g");
}
DEXIT("hms_resume()");
}
int ch_handled;
int old_timeout = timeout;
int old_immediate_quit = immediate_quit;
-
+ int swallowed_cr = 0;
+
DENTER("hms_wait()");
WSETEXIT ((*status), 0);
if (need_artificial_trap != 0)
+ {
+ WSETSTOP ((*status), SIGTRAP);
+ need_artificial_trap--;
+ return 0;
+ }
+
+ timeout = 99999; /* Don't time out -- user program is running. */
+ immediate_quit = 1; /* Helps ability to QUIT */
+ while (1)
+ {
+ QUIT; /* Let user quit and leave process running */
+ ch_handled = 0;
+ ch = readchar ();
+ if (ch == *bp)
+ {
+ bp++;
+ if (*bp == '\0')
+ break;
+ ch_handled = 1;
+
+ *swallowed_p++ = ch;
+ }
+ else
{
- WSETSTOP ((*status), SIGTRAP);
- need_artificial_trap--;
- return 0;
+ bp = bpt;
}
+ if (ch == *ep || *ep == '?')
+ {
+ ep++;
+ if (*ep == '\0')
+ break;
+
+ if (!ch_handled)
+ *swallowed_p++ = ch;
+ ch_handled = 1;
+ }
+ else
+ {
+ ep = exitmsg;
+ }
+
+ if (!ch_handled) {
+ char *p;
+ /* Print out any characters which have been swallowed. */
+ for (p = swallowed; p < swallowed_p; ++p)
+ putc (*p, stdout);
+ swallowed_p = swallowed;
- timeout = 0; /* Don't time out -- user program is running. */
- immediate_quit = 1; /* Helps ability to QUIT */
- while (1) {
- QUIT; /* Let user quit and leave process running */
- ch_handled = 0;
- ch = readchar ();
- if (ch == *bp) {
- bp++;
- if (*bp == '\0')
- break;
- ch_handled = 1;
-
- *swallowed_p++ = ch;
- } else
- bp = bpt;
- if (ch == *ep || *ep == '?') {
- ep++;
- if (*ep == '\0')
- break;
-
- if (!ch_handled)
- *swallowed_p++ = ch;
- ch_handled = 1;
- }, sal.line);
-d979 3
- if (!ch_handled) {
- char *p;
- /* Print out any characters which have been swallowed. */
- for (p = swallowed; p < swallowed_p; ++p)
- putc (*p, stdout);
- swallowed_p = swallowed;
-
-
- if ((ch != '\r' && ch != '\n') || swallowed_cr>10)
- {
- putc (ch, stdout);
- swallowed_cr = 10;
- }
- swallowed_cr ++;
+ if ((ch != '\r' && ch != '\n') || swallowed_cr>10)
+ {
+ putc (ch, stdout);
+ swallowed_cr = 10;
}
- }
+ swallowed_cr ++;
+
+ }
+ }
if (*bp== '\0')
{
WSETSTOP ((*status), SIGTRAP);
timeout = old_timeout;
immediate_quit = old_immediate_quit;
- printf ("%s is at %s:%d.\n",
- local_hex_string(sal.pc),
- sal.symtab->filename, sal.line);
DEXIT("hms_wait()");
return 0;
}
get_reg_name (regno)
int regno;
{
-static char *rn[NUM_REGS]= REGISTER_NAMES;
-
-
+ static char *rn[NUM_REGS]= REGISTER_NAMES;
return rn[regno];
-
}
/* Read the remote registers. */
char *a;
{
int i;
- write(hms_desc,a,l);
-if (!quiet)
- for (i = 0; i < l ; i++)
- {
- printf("%c", a[i]);
- }
+ serial_write(a, l);
+
+ if (!quiet)
+ for (i = 0; i < l ; i++)
+ {
+ printf("%c", a[i]);
+ }
}
- printf ("Line %d of \"%s\" is at pc %s but contains no code.\n",
- sal.line, sal.symtab->filename, local_hex_string(start_pc));
+hms_write_cr(s)
+char *s;
{
-hms_write( s, strlen(s));
- printf ("Line %d of \"%s\" starts at pc %s",
- sal.line, sal.symtab->filename,
- local_hex_string(start_pc));
- printf (" and ends at %s.\n",
- local_hex_string(end_pc));
+ hms_write( s, strlen(s));
+ hms_write("\r",1);
+}
+
+static void
+hms_fetch_register (dummy)
+int dummy;
{
#define REGREPLY_SIZE 79
char linebuf[REGREPLY_SIZE+1];
int s ;
int gottok;
- printf ("Line number %d is out of range for \"%s\".\n",
- sal.line, sal.symtab->filename);
+ REGISTER_TYPE reg[NUM_REGS];
+ int foo[8];
check_open();
do
linebuf[REGREPLY_SIZE] = 0;
gottok = 0;
if (linebuf[0] == 'r' &&
- linebuf[1] == '\r' &&
- linebuf[2] == '\n' &&
linebuf[3] == 'P' &&
linebuf[4] == 'C' &&
linebuf[5] == '=' &&
while (!gottok);
for (i = 0; i < NUM_REGS; i++)
{
- supply_register (i, reg+i);
- }
-}
-
-/* Fetch register REGNO, or all registers if REGNO is -1.
- */
-static void
-hms_fetch_register (regno)
- int regno;
-{
-
- hms_fetch_registers ();
+ char swapped[2];
+ swapped[1] = reg[i];
+ swapped[0] = (reg[i])>> 8;
+ supply_register (i, swapped);
+ }
}
-/* Store the remote registers from the contents of the block REGS. */
-
-static int
-hms_store_registers ()
-{
- int i;
- for (i = 0; i < NUM_REGS; i++)
- hms_store_register(i);
- return 0;
-
-}
/* Store register REGNO, or all if REGNO == -1.
Return errno value. */
-int
+static void
hms_store_register (regno)
int regno;
{
- printf ("Expression not found\n");
- if (regno == -1)
- hms_store_registers ();
+ /* printf("hms_store_register() called.\n"); fflush(stdout); /* */
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno ++)
+ {
+ hms_store_register(regno);
+ }
+ }
else
{
char *name = get_reg_name (regno);
}
DEXIT("hms_store_registers()");
- return 0;
+
}
+
+
/* Get ready to modify the registers array. On machines which store
individual registers, this doesn't need to do anything. On machines
which store all the registers in one fell swoop, this makes sure
addr = memaddr & - sizeof (int);
count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
- printf ("Expression not found\n");
+
buffer = (int *)alloca (count * sizeof (int));
if (write)
{
return len;
}
-#if 0
-int
-hms_xfer_inferior_memory (memaddr, myaddr, len, write)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
-{
- memaddr &= 0xffff;
- if (write)
- return hms_write_inferior_memory (memaddr, myaddr, len);
- else
- return hms_read_inferior_memory (memaddr, myaddr, len);
-
-}
-#endif
-
int
hms_write_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
- char *myaddr;
+ unsigned char *myaddr;
int len;
{
+ bfd_vma addr;
+ int done;
+ int todo ;
+ done = 0;
+ while(done < len)
+ {
+ char buffer[20];
+ int thisgo;
+ int idx;
+ thisgo = len - done;
+ if (thisgo > 20) thisgo = 20;
+
+ sprintf(buffer,"M.B %4x =", memaddr+done);
+ hms_write(buffer,10);
+ for (idx = 0; idx < thisgo; idx++)
+ {
+ char buf[20];
+ sprintf(buf, "%2x ", myaddr[idx+done]);
+ hms_write(buf, 3);
+ }
+ hms_write_cr("");
+ expect_prompt();
+ done += thisgo;
+ }
+
- bfd *abfd = bfd_openw(dev_name, "srec");
- asection *a;
-
- bfd_set_format(abfd, bfd_object);
- a = bfd_make_section(abfd, ".text");
- a->vma = memaddr;
- a->_raw_size = len;
- a->flags = SEC_LOAD | SEC_HAS_CONTENTS;
- hms_write_cr("tl"); /* tell hms here comes the recs */
- bfd_set_section_contents(abfd, a, myaddr, 0, len);
- bfd_close(abfd);
-
- expect_prompt();
}
void
hms_files_info ()
{
- printf_filtered("\tAttached to %s at %d baud and running program %s\n",
- dev_name, baudrate, bfd_get_filename(exec_bfd));
+char *file = "nothing";
+if (exec_bfd)
+ file = bfd_get_filename(exec_bfd);
+
+if (exec_bfd)
+#ifdef __GO32__
+ printf_filtered("\tAttached to DOS asynctsr and running program %s\n",file);
+#else
+ printf_filtered("\tAttached to %s at %d baud and running program %s\n",file);
+#endif
printf_filtered("\ton an H8/300 processor.\n");
}
if (memaddr & 0xf) abort();
if (len != 16) abort();
- sprintf(buffer, "m %4x %4x", start, end);
+ sprintf(buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
hms_write_cr(buffer);
/* drop the echo and newline*/
for (i = 0; i < 13; i++)
}
}
-
-
-
- hms_write("\003",1);
+ hms_write_cr(" ");
expect_prompt();
-
-
-
-
return len;
-
}
/* This routine is run as a hook, just before the main command loop is
extern jmp_buf to_top_level;
push_target (&hms_ops);
-#if 0
-
- while (current_target != &hms_ops) {
- /* remote tty not specified yet */
- if ( instream == stdin ){
- printf("\nEnter device and filename, or \"quit\" to quit: ");
- fflush( stdout );
- }
- fgets( ttyname, sizeof(ttyname)-1, stdin );
-
- if ( !strcmp("quit", ttyname) ){
- exit(1);
- }
-
- hms_open( ttyname, 1 );
-
- /* Now that we have a tty open for talking to the remote machine,
- download the executable file if one was specified. */
- if ( !setjmp(to_top_level) && exec_bfd ) {
- target_load (bfd_get_filename (exec_bfd), 1);
- }
- }
-#endif
}
CORE_ADDR addr;
char *save; /* Throw away, let hms save instructions */
{
-
DENTER("hms_insert_breakpoint()");
check_open();
- if (num_brkpts < MAX_BREAKS) {
- char buffer[100];
- num_brkpts++;
- sprintf(buffer,"b %x", addr & 0xffff);
- hms_write_cr(buffer);
- expect_prompt ();
- DEXIT("hms_insert_breakpoint() success");
- return(0); /* Success */
- } else {
- fprintf_filtered(stderr,
- "Too many break points, break point not installed\n");
- DEXIT("hms_insert_breakpoint() failure");
- return(1); /* Failure */
- }
+ if (num_brkpts < MAX_BREAKS)
+ {
+ char buffer[100];
+ num_brkpts++;
+ sprintf(buffer,"b %x", addr & 0xffff);
+ hms_write_cr(buffer);
+ expect_prompt ();
+ DEXIT("hms_insert_breakpoint() success");
+ return(0);
+ }
+ else
+ {
+ fprintf_filtered(stderr,
+ "Too many break points, break point not installed\n");
+ DEXIT("hms_insert_breakpoint() failure");
+ return(1);
+ }
}
char *save; /* Throw away, let hms save instructions */
{
DENTER("hms_remove_breakpoint()");
- if (num_brkpts > 0) {
- char buffer[100];
+ if (num_brkpts > 0)
+ {
+ char buffer[100];
- num_brkpts--;
- sprintf(buffer,"b - %x", addr & 0xffff);
- hms_write_cr(buffer);
- expect_prompt();
+ num_brkpts--;
+ sprintf(buffer,"b - %x", addr & 0xffff);
+ hms_write_cr(buffer);
+ expect_prompt();
- }
+ }
DEXIT("hms_remove_breakpoint()");
return(0);
}
{
DENTER("hms_clear_breakpoint()");
- if (OPEN(hms_desc)) {
- hms_write_cr("b -");
- expect_prompt ();
- }
+ if (is_open) {
+ hms_write_cr("b -");
+ expect_prompt ();
+ }
num_brkpts = 0;
-
DEXIT("hms_clear_breakpoint()");
}
static void
{
DENTER("hms_mourn()");
hms_clear_breakpoints();
-/* pop_target (); /* Pop back to no-child state */
generic_mourn_inferior ();
DEXIT("hms_mourn()");
}
-/* Display everthing we read in from the hms until we match/see the
- * specified string
- */
-static int
-display_until(str)
-char *str;
-{
- int i=0,j,c;
-
- while (c=readchar()) {
- if (c==str[i]) {
- i++;
- if (i == strlen(str)) return;
- } else {
- if (i) {
- for (j=0 ; j<i ; j++) /* Put everthing we matched */
- putchar(str[j]);
- i=0;
- }
- putchar(c);
- }
- }
-
-}
/* Put a command string, in args, out to the hms. The hms is assumed to
- be in raw mode, all writing/reading done through hms_desc.
+ be in raw mode, all writing/reading done through desc.
Ouput from the hms is placed on the users terminal until the
prompt from the hms is seen.
FIXME: Can't handle commands that take input. */
/* Clear all input so only command relative output is displayed */
-
hms_write_cr(args);
hms_write("\030",1);
expect_prompt();
-
}
/* Define the target subroutine names */
0, 0, 0, 0, 0, /* Terminal handling */
hms_kill, /* FIXME, kill */
hms_load,
- call_function_by_hand,
0, /* lookup_symbol */
hms_create_inferior, /* create_inferior */
hms_mourn, /* mourn_inferior FIXME */
hms_quiet()
{
- quiet = ! quiet;
+ quiet = ! quiet;
+ if (quiet)
+ printf_filtered("Snoop disabled\n");
+ else
+ printf_filtered("Snoop enabled\n");
+
}
hms_device(s)
char *s;
{
- if (s) {
- dev_name = get_word(&s);
- }
+ if (s)
+ {
+ dev_name = get_word(&s);
+ }
}
-static hms_speed(s)
+
+static
+hms_speed(s)
char *s;
{
+ check_open();
+
if (s)
{
char buffer[100];
int newrate = atoi(s);
int which = 0;
- while (baudtab[which].rate != newrate)
- {
- if (baudtab[which].rate == -1)
- {
+ if (!serial_setbaudrate(newrate))
error("Can't use %d baud\n", newrate);
- }
- which++;
- }
-
-
printf_filtered("Checking target is in sync\n");
-
get_baudrate_right();
baudrate = newrate;
baudrate);
sprintf(buffer, "tm %d. N 8 1", baudrate);
- hms_write(buffer);
+ hms_write_cr(buffer);
}
}
"Send a command to the HMS monitor.");
add_com ("snoop", class_obscure, hms_quiet,
"Show what commands are going to the monitor");
+
add_com ("device", class_obscure, hms_device,
"Set the terminal line for HMS communications");
add_com ("speed", class_obscure, hms_speed,
"Set the terminal line speed for HMS communications");
+ dev_name = serial_default_name();
}
projects / deliverable / binutils-gdb.git / blobdiff