/* Remote serial interface for local (hardwired) serial ports for GO32.
- Copyright 1992, 1993, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 2000, 2001, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Nigel Stephens, Algorithmics Ltd. (nigel@algor.co.uk).
- This version uses DPMI interrupts to handle buffered i/o
+ This version uses DPMI interrupts to handle buffered i/o
without the separate "asynctsr" program.
- 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcmd.h"
#include "serial.h"
+#include "gdb_string.h"
/*
#define MSR_DDSR 0x02
#define MSR_DCTS 0x01
-#include <string.h>
+#include <time.h>
#include <dos.h>
#include <go32.h>
#include <dpmi.h>
/* input buffer size */
#define CBSIZE 4096
-/* return raw 18Hz clock count */
-extern long rawclock (void);
-
#define RAWHZ 18
#ifdef DOS_STATS
ports[4] =
{
{
- COM1ADDR, 4
+ COM1ADDR, 4, 0, NULL, 0, 0, "", 0, 0, 0, 0, 0, 0, 0, 0
}
,
{
- COM2ADDR, 3
+ COM2ADDR, 3, 0, NULL, 0, 0, "", 0, 0, 0, 0, 0, 0, 0, 0
}
,
{
- COM3ADDR, 4
+ COM3ADDR, 4, 0, NULL, 0, 0, "", 0, 0, 0, 0, 0, 0, 0, 0
}
,
{
- COM4ADDR, 3
+ COM4ADDR, 3, 0, NULL, 0, 0, "", 0, 0, 0, 0, 0, 0, 0, 0
}
};
-static int dos_open PARAMS ((serial_t scb, const char *name));
-static void dos_raw PARAMS ((serial_t scb));
-static int dos_readchar PARAMS ((serial_t scb, int timeout));
-static int dos_setbaudrate PARAMS ((serial_t scb, int rate));
-static int dos_write PARAMS ((serial_t scb, const char *str, int len));
-static void dos_close PARAMS ((serial_t scb));
-static serial_ttystate dos_get_tty_state PARAMS ((serial_t scb));
-static int dos_set_tty_state PARAMS ((serial_t scb, serial_ttystate state));
-static int dos_baudconv PARAMS ((int rate));
+static int dos_open (struct serial *scb, const char *name);
+static void dos_raw (struct serial *scb);
+static int dos_readchar (struct serial *scb, int timeout);
+static int dos_setbaudrate (struct serial *scb, int rate);
+static int dos_write (struct serial *scb, const char *str, int len);
+static void dos_close (struct serial *scb);
+static serial_ttystate dos_get_tty_state (struct serial *scb);
+static int dos_set_tty_state (struct serial *scb, serial_ttystate state);
+static int dos_baudconv (int rate);
#define inb(p,a) inportb((p)->base + (a))
#define outb(p,a,v) outportb((p)->base + (a), (v))
static int
-dos_getc (port)
- volatile struct dos_ttystate *port;
+dos_getc (volatile struct dos_ttystate *port)
{
int c;
static int
-dos_putc (c, port)
- int c;
- struct dos_ttystate *port;
+dos_putc (int c, struct dos_ttystate *port)
{
if (port->count >= CBSIZE - 1)
return -1;
static void
-dos_comisr (irq)
- int irq;
+dos_comisr (int irq)
{
struct dos_ttystate *port;
unsigned char iir, lsr, c;
}
}
-#ifdef __STDC__
#define ISRNAME(x) dos_comisr##x
-#else
-#define ISRNAME(x) dos_comisr/**/x
-#endif
-#define ISR(x) static void ISRNAME(x)() {dos_comisr(x);}
+#define ISR(x) static void ISRNAME(x)(void) {dos_comisr(x);}
-ISR (0) ISR (1) ISR (2) ISR (3)
-ISR (4) ISR (5) ISR (6) ISR (7)
+ISR (0) ISR (1) ISR (2) ISR (3) /* OK */
+ISR (4) ISR (5) ISR (6) ISR (7) /* OK */
- typedef void (*isr_t) ();
+typedef void (*isr_t) (void);
- static isr_t isrs[NINTR] =
- {
+static isr_t isrs[NINTR] =
+ {
ISRNAME (0), ISRNAME (1), ISRNAME (2), ISRNAME (3),
ISRNAME (4), ISRNAME (5), ISRNAME (6), ISRNAME (7)
-};
+ };
\f
- static struct intrupt *
- dos_hookirq (irq)
- unsigned int irq;
+static struct intrupt *
+dos_hookirq (unsigned int irq)
{
struct intrupt *intr;
unsigned int vec;
intr->new_pmhandler.pm_offset = (u_long) isr;
_go32_dpmi_allocate_iret_wrapper (&intr->new_pmhandler);
- if (_go32_dpmi_set_protected_mode_interrupt_vector (vec, &intr->new_pmhandler))
+ if (_go32_dpmi_set_protected_mode_interrupt_vector (vec,
+ &intr->new_pmhandler))
{
return 0;
}
static void
-dos_unhookirq (intr)
- struct intrupt *intr;
+dos_unhookirq (struct intrupt *intr)
{
unsigned int irq, vec;
unsigned char mask;
static int
-dos_open (scb, name)
- serial_t scb;
- const char *name;
+dos_open (struct serial *scb, const char *name)
{
struct dos_ttystate *port;
int fd, i;
outb (port, com_ier, 0);
/* tentatively enable 16550 fifo, and see if it responds */
- outb (port, com_fifo, FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER);
+ outb (port, com_fifo,
+ FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER);
sleep (1);
port->fifo = ((inb (port, com_iir) & IIR_FIFO_MASK) == IIR_FIFO_MASK);
static void
-dos_close (scb)
- serial_t scb;
+dos_close (struct serial *scb)
{
struct dos_ttystate *port;
struct intrupt *intrupt;
static int
-dos_noop (scb)
- serial_t scb;
+dos_noop (struct serial *scb)
{
return 0;
}
static void
-dos_raw (scb)
- serial_t scb;
+dos_raw (struct serial *scb)
{
/* Always in raw mode */
}
static int
-dos_readchar (scb, timeout)
- serial_t scb;
- int timeout;
+dos_readchar (struct serial *scb, int timeout)
{
struct dos_ttystate *port = &ports[scb->fd];
long then;
{
if (timeout >= 0 && (rawclock () - then) >= 0)
return SERIAL_TIMEOUT;
- notice_quit ();
}
return c;
static serial_ttystate
-dos_get_tty_state (scb)
- serial_t scb;
+dos_get_tty_state (struct serial *scb)
{
struct dos_ttystate *port = &ports[scb->fd];
struct dos_ttystate *state;
}
static int
-dos_set_tty_state (scb, ttystate)
- serial_t scb;
- serial_ttystate ttystate;
+dos_set_tty_state (struct serial *scb, serial_ttystate ttystate)
{
struct dos_ttystate *state;
}
static int
-dos_noflush_set_tty_state (scb, new_ttystate, old_ttystate)
- serial_t scb;
- serial_ttystate new_ttystate;
- serial_ttystate old_ttystate;
+dos_noflush_set_tty_state (struct serial *scb, serial_ttystate new_ttystate,
+ serial_ttystate old_ttystate)
{
struct dos_ttystate *state;
}
static int
-dos_flush_input (scb)
- serial_t scb;
+dos_flush_input (struct serial *scb)
{
struct dos_ttystate *port = &ports[scb->fd];
+
disable ();
port->first = port->count = 0;
if (port->fifo)
}
static void
-dos_print_tty_state (serial_t scb,
- serial_ttystate ttystate,
+dos_print_tty_state (struct serial *scb, serial_ttystate ttystate,
struct ui_file *stream)
{
/* Nothing to print */
}
static int
-dos_baudconv (rate)
- int rate;
+dos_baudconv (int rate)
{
long x, err;
if (rate <= 0)
return -1;
-#define divrnd(n, q) (((n) * 2 / (q) + 1) / 2) /* divide and round off */
+#define divrnd(n, q) (((n) * 2 / (q) + 1) / 2) /* divide and round off */
x = divrnd (COMTICK, rate);
if (x <= 0)
return -1;
static int
-dos_setbaudrate (scb, rate)
- serial_t scb;
- int rate;
+dos_setbaudrate (struct serial *scb, int rate)
{
struct dos_ttystate *port = &ports[scb->fd];
}
static int
-dos_setstopbits (scb, num)
- serial_t scb;
- int num;
+dos_setstopbits (struct serial *scb, int num)
{
struct dos_ttystate *port = &ports[scb->fd];
unsigned char cfcr;
}
static int
-dos_write (scb, str, len)
- serial_t scb;
- const char *str;
- int len;
+dos_write (struct serial *scb, const char *str, int len)
{
volatile struct dos_ttystate *port = &ports[scb->fd];
int fifosize = port->fifo ? 16 : 1;
/* send the data, fifosize bytes at a time */
cnt = fifosize > len ? len : fifosize;
port->txbusy = 1;
+ /* Francisco Pastor <fpastor.etra-id@etra.es> says OUTSB messes
+ up the communications with UARTs with FIFOs. */
+#ifdef UART_FIFO_WORKS
outportsb (port->base + com_data, str, cnt);
str += cnt;
len -= cnt;
+#else
+ for ( ; cnt > 0; cnt--, len--)
+ outportb (port->base + com_data, *str++);
+#endif
#ifdef DOS_STATS
cnts[CNT_TX] += cnt;
#endif
static int
-dos_sendbreak (scb)
- serial_t scb;
+dos_sendbreak (struct serial *scb)
{
volatile struct dos_ttystate *port = &ports[scb->fd];
unsigned char cfcr;
0,
dos_open,
dos_close,
+ NULL, /* fdopen, not implemented */
dos_readchar,
dos_write,
dos_noop, /* flush output */
dos_setbaudrate,
dos_setstopbits,
dos_noop, /* wait for output to drain */
+ (void (*)(struct serial *, int))NULL /* change into async mode */
};
+int
+gdb_pipe (int pdes[2])
+{
+ /* No support for pipes. */
+ errno = ENOSYS;
+ return -1;
+}
static void
-dos_info (arg, from_tty)
- char *arg;
- int from_tty;
+dos_info (char *arg, int from_tty)
{
struct dos_ttystate *port;
+#ifdef DOS_STATS
int i;
+#endif
for (port = ports; port < &ports[4]; port++)
{
if (port->baudrate == 0)
continue;
- printf_filtered ("Port:\tCOM%d (%sactive)\n", port - ports + 1,
+ printf_filtered ("Port:\tCOM%ld (%sactive)\n", (long)(port - ports) + 1,
port->intrupt ? "" : "not ");
printf_filtered ("Addr:\t0x%03x (irq %d)\n", port->base, port->irq);
printf_filtered ("16550:\t%s\n", port->fifo ? "yes" : "no");
void
-_initialize_ser_dos ()
+_initialize_ser_dos (void)
{
- struct cmd_list_element *c;
-
serial_add_interface (&dos_ops);
/* Save original interrupt mask register. */
intrupts[1].inuse = /* keyboard */
intrupts[2].inuse = 1; /* slave icu */
- add_show_from_set (
- add_set_cmd ("com1base", class_obscure, var_zinteger,
- (char *) &ports[0].base,
- "Set COM1 base i/o port address.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com1irq", class_obscure, var_zinteger,
- (char *) &ports[0].irq,
- "Set COM1 interrupt request.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com2base", class_obscure, var_zinteger,
- (char *) &ports[1].base,
- "Set COM2 base i/o port address.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com2irq", class_obscure, var_zinteger,
- (char *) &ports[1].irq,
- "Set COM2 interrupt request.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com3base", class_obscure, var_zinteger,
- (char *) &ports[2].base,
- "Set COM3 base i/o port address.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com3irq", class_obscure, var_zinteger,
- (char *) &ports[2].irq,
- "Set COM3 interrupt request.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com4base", class_obscure, var_zinteger,
- (char *) &ports[3].base,
- "Set COM4 base i/o port address.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("com4irq", class_obscure, var_zinteger,
- (char *) &ports[3].irq,
- "Set COM4 interrupt request.",
- &setlist),
- &showlist);
+ add_setshow_zinteger_cmd ("com1base", class_obscure, &ports[0].base, _("\
+Set COM1 base i/o port address."), _("\
+Show COM1 base i/o port address."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com1irq", class_obscure, &ports[0].irq, _("\
+Set COM1 interrupt request."), _("\
+Show COM1 interrupt request."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com2base", class_obscure, &ports[1].base, _("\
+Set COM2 base i/o port address."), _("\
+Show COM2 base i/o port address."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com2irq", class_obscure, &ports[1].irq, _("\
+Set COM2 interrupt request."), _("\
+Show COM2 interrupt request."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com3base", class_obscure, &ports[2].base, _("\
+Set COM3 base i/o port address."), _("\
+Show COM3 base i/o port address."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com3irq", class_obscure, &ports[2].irq, _("\
+Set COM3 interrupt request."), _("\
+Show COM3 interrupt request."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com4base", class_obscure, &ports[3].base, _("\
+Set COM4 base i/o port address."), _("\
+Show COM4 base i/o port address."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("com4irq", class_obscure, &ports[3].irq, _("\
+Set COM4 interrupt request."), _("\
+Show COM4 interrupt request."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
add_info ("serial", dos_info,
- "Print DOS serial port status.");
+ _("Print DOS serial port status."));
}
projects / deliverable / binutils-gdb.git / blobdiff