Fri Sep 4 13:57:43 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>

[deliverable/binutils-gdb.git] / gdb / ser-mac.c

diff --git a/gdb/ser-mac.c b/gdb/ser-mac.c
index d502ad1ef526cbaa0287297734461798fc89bccf..df0040edbf20aa23d0f79c61167eba97aa18f87a 100644 (file)
--- a/gdb/ser-mac.c
+++ b/gdb/ser-mac.c
@@ -16,14 +16,16 @@
 
    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.  */
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
 #include "serial.h"
 
 #include <Types.h>
 #include <Devices.h>
-#include <Serial.h>
+/* This is the regular Mac Serial.h, but copied to a different name
+   so as not to get confused with the GDB serial.h above.  */
+#include "MacSerial.h"
 
 /* This is unused for now.  We just return a placeholder. */
 
@@ -58,7 +60,7 @@ mac_open (scb, name)
   /* Alloc buffer space first - that way any allocation failures are
      intercepted before the serial driver gets involved. */
   if (mac_input_buffer == NULL)
-    mac_input_buffer = (char *) xmalloc (256);
+    mac_input_buffer = (char *) xmalloc (4096);
   /* Match on a name and open a port. */
   if (strcmp (name, "modem") == 0)
     {
@@ -93,13 +95,13 @@ mac_open (scb, name)
     }
   else
     {
-      error ("You must specify a port.  Choices are `modem' or `printer'.");
+      error ("You must specify a valid serial port name; your choices are `modem' or `printer'.");
       errno = ENOENT;
       return (-1);
     }
   /* We got something open. */
   if (1 /* using custom buffer */)
-    SerSetBuf (input_refnum, mac_input_buffer, 256);
+    SerSetBuf (input_refnum, mac_input_buffer, 4096);
   /* Set to a GDB-preferred state. */
   SerReset (input_refnum,  stop10|noParity|data8|baud9600);
   SerReset (output_refnum, stop10|noParity|data8|baud9600);
@@ -193,6 +195,7 @@ mac_readchar (scb, timeout)
          if (now > start_time + timeout)
            return SERIAL_TIMEOUT;
        }
+      PROGRESS (1);
     }
 }
 
@@ -236,10 +239,52 @@ mac_print_tty_state (scb, ttystate)
   return;
 }
 
+/* If there is a tricky formula to relate real baud rates
+   to what the serial driver wants, we should use it.  Until
+   we get one, this table will have to do.  */
+
+static struct {
+  int real_rate;
+  int bits;
+} mac_baud_rate_table[] = {
+  { 57600, baud57600 },
+  { 38400, 1 },
+  { 19200, baud19200 },
+  { 9600, baud9600 },
+  { 7200, baud7200 },
+  { 4800, baud4800 },
+  { 3600, baud3600 },
+  { 2400, baud2400 },
+  { 1800, baud1800 },
+  { 1200, baud1200 },
+  { 600, baud600 },
+  { 300, baud300 },
+  { 0, 0 }
+};
+
 static int
 mac_set_baud_rate (scb, rate)
      serial_t scb;
      int rate;
+{
+  int i, bits;
+
+  for (i = 0; mac_baud_rate_table[i].real_rate != 0; ++i)
+    {
+      if (mac_baud_rate_table[i].real_rate == rate)
+       {
+         bits = mac_baud_rate_table[i].bits;
+         break;
+       }
+    }
+  SerReset (input_refnum,  stop10|noParity|data8|bits);
+  SerReset (output_refnum, stop10|noParity|data8|bits);
+}
+
+static int
+mac_set_stop_bits (scb, num)
+     serial_t scb;
+     int num;
 {
   return 0;
 }
@@ -257,7 +302,7 @@ mac_write (scb, str, len)
 
   if (first_mac_write++ < 4)
     {
-      sec_sleep (1);
+      sleep (1);
     }
   pb.ioRefNum = output_refnum;
   pb.ioBuffer = (Ptr) str;
@@ -270,20 +315,6 @@ mac_write (scb, str, len)
   return 0;
 }
 
-sec_sleep (int timeout)
-{
-  unsigned long start_time, now;
-
-  time (&start_time);
-
-  while (1)
-    {
-      time (&now);
-      if (now > start_time + timeout)
-       return;
-    }
-}
-
 static void
 mac_close (serial_t scb)
 {
@@ -297,7 +328,7 @@ mac_close (serial_t scb)
   if (output_refnum)
     {
       if (0 /* custom buffer */)
-       SetSetBuf (input_refnum, mac_output_buffer, 0);
+       SerSetBuf (input_refnum, mac_output_buffer, 0);
       CloseDriver (output_refnum);
       output_refnum = 0;
     }
@@ -320,6 +351,8 @@ static struct serial_ops mac_ops =
   mac_print_tty_state,
   mac_noflush_set_tty_state,
   mac_set_baud_rate,
+  mac_set_stop_bits,
+  mac_noop,                    /* wait for output to drain */
 };
 
 void