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serial enable step 1

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This commit is contained in:
Todd T.Fries 2001-06-19 17:52:46 +00:00
parent 4df55e3713
commit 7f18b0c181
1 changed files with 36 additions and 25 deletions
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61
bochs/iodev/serial.cc
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@ -47,8 +47,11 @@
#endif
#endif
#if defined(__FreeBSD__) || defined(__OpenBSD__)
// #define SERIAL_ENABLE
#endif
#ifdef __FreeBSD__
#ifdef SERIAL_ENABLE
extern "C" {
#include <termios.h>
};
@ -59,7 +62,7 @@ bx_serial_c bx_serial;
#define this (&bx_serial)
#endif
#ifdef __FreeBSD__
#ifdef SERIAL_ENABLE
static struct termios term_orig, term_new;
#endif
@ -69,8 +72,9 @@ bx_serial_c::bx_serial_c(void)
{
setprefix("[SER ]");
settype(SERLOG);
#ifdef __FreeBSD__
tcgetattr(0, &term_orig);
#ifdef SERIAL_ENABLE
tty_id = open("/dev/ptyqf",O_RDWR|O_NONBLOCK,600);
tcgetattr(tty_id, &term_orig);
bcopy((caddr_t) &term_orig, (caddr_t) &term_new, sizeof(struct termios));
cfmakeraw(&term_new);
term_new.c_oflag |= OPOST | ONLCR; // Enable NL to CR-NL translation
@ -85,8 +89,8 @@ bx_serial_c::bx_serial_c(void)
term_new.c_iflag &= ~BRKINT;
#endif /* !def TRUE_CTLC */
//term_new.c_iflag |= IXOFF;
//tcsetattr(0, TCSAFLUSH, &term_new);
#endif /* def __FreeBSD__ */
//tcsetattr(tty_id, TCSAFLUSH, &term_new);
#endif /* def SERIAL_ENABLE */
// nothing for now
#if USE_RAW_SERIAL
this->raw = new serial_raw("/dev/cua0", SIGUSR1);
@ -95,13 +99,10 @@ bx_serial_c::bx_serial_c(void)
bx_serial_c::~bx_serial_c(void)
{
#ifdef __FreeBSD__
tcsetattr(0, TCSAFLUSH, &term_orig);
#ifdef SERIAL_ENABLE
tcsetattr(tty_id, TCSAFLUSH, &term_orig);
#endif
// nothing for now
#if USE_RAW_SERIAL
delete raw;
#endif // USE_RAW_SERIAL
}
@ -119,7 +120,7 @@ bx_serial_c::init(bx_devices_c *d)
else
BX_INFO(("TTY allocation failed"));
#else
BX_INFO(("TTY not used, serial port is not connected"));
//BX_INFO(("TTY not used, serial port is not connected"));
#endif
/*
@ -201,6 +202,7 @@ bx_serial_c::init(bx_devices_c *d)
}
for (unsigned addr=0x03F8; addr<=0x03FF; addr++) {
BX_DEBUG(("register read/write: 0x%x",addr));
BX_SER_THIS devices->register_io_read_handler(this,
read_handler,
addr, "Serial Port 1");
@ -209,6 +211,8 @@ bx_serial_c::init(bx_devices_c *d)
addr, "Serial Port 1");
}
BX_INFO(( "com0 at 0x3f8/8 irq 4" ));
}
@ -232,7 +236,7 @@ bx_serial_c::read(Bit32u address, unsigned io_len)
#else
UNUSED(this_ptr);
#endif // !BX_USE_SER_SMF
UNUSED(address);
//UNUSED(address);
Bit8u val;
/* SERIAL PORT 1 */
@ -242,8 +246,7 @@ bx_serial_c::read(Bit32u address, unsigned io_len)
(unsigned) address,
(unsigned) io_len));
BX_DEBUG(("serial register read from address 0x%x - ",
(unsigned) address));
BX_DEBUG(("register read from address 0x%x - ", (unsigned) address));
switch (address) {
case 0x03F8: /* receive buffer, or divisor latch LSB if DLAB set */
@ -362,7 +365,7 @@ bx_serial_c::read(Bit32u address, unsigned io_len)
// static IO port write callback handler
// redirects to non-static class handler to avoid virtual functions
void
void
bx_serial_c::write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
{
#if !BX_USE_SER_SMF
@ -371,12 +374,13 @@ bx_serial_c::write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigne
class_ptr->write(address, value, io_len);
}
void
void
bx_serial_c::write(Bit32u address, Bit32u value, unsigned io_len)
{
#else
UNUSED(this_ptr);
#endif // !BX_USE_SER_SMF
BX_DEBUG(("write: 0x%x <- %d",address,value));
/* SERIAL PORT 1 */
@ -417,7 +421,7 @@ bx_serial_c::write(Bit32u address, Bit32u value, unsigned io_len)
(int) (1000000.0 / (BX_SER_THIS s[0].baudrate / 8)),
0); /* not continuous */
} else {
BX_INFO(("serial: write to tx hold register when not empty"));
BX_ERROR(("serial: write to tx hold register when not empty"));
}
}
break;
@ -493,7 +497,7 @@ bx_serial_c::write(Bit32u address, Bit32u value, unsigned io_len)
(int) (1000000.0 / (BX_SER_THIS s[0].baudrate / 4)),
0); /* not continuous */
}
BX_DEBUG(("serial: baud rate set - %d", BX_SER_THIS s[0].baudrate));
BX_DEBUG(("baud rate set - %d", BX_SER_THIS s[0].baudrate));
}
BX_SER_THIS s[0].line_cntl.dlab = (value & 0x80) >> 7;
break;
@ -583,8 +587,13 @@ bx_serial_c::tx_timer(void)
if (!BX_SER_THIS raw->ready_transmit())
BX_PANIC(("[serial] Not ready to transmit"));
BX_SER_THIS raw->transmit(BX_SER_THIS s[0].txbuffer);
#elif 0
write(0, (bx_ptr_t) & BX_SER_THIS s[0].txbuffer, 1);
#endif
#if defined(SERIAL_ENABLE)
# warning serial enable write
{ char *s = (char *)(BX_SER_THIS s[0].txbuffer);
BX_DEBUG(("write: '%c'",(bx_ptr_t) & s));
}
write(tty_id, (bx_ptr_t) & BX_SER_THIS s[0].txbuffer, 1);
#endif
}
@ -625,7 +634,7 @@ bx_serial_c::rx_timer(void)
// declared in the CodeWarrior standard library headers. I'm just
// leaving it commented out for the moment.
FD_SET(0, &fds);
FD_SET(tty_id, &fds);
if (BX_SER_THIS s[0].line_status.rxdata_ready == 0) {
#if defined (USE_TTY_HACK)
@ -637,16 +646,18 @@ bx_serial_c::rx_timer(void)
if ((rdy = BX_SER_THIS raw->ready_receive())) {
data = BX_SER_THIS raw->receive();
if (data == C_BREAK) {
BX_INFO(("[serial] Got BREAK"));
BX_DEBUG(("[serial] Got BREAK"));
BX_SER_THIS s[0].line_status.break_int = 1;
rdy = 0;
}
}
if (rdy) {
chbuf = data;
#elif 0
#elif defined(SERIAL_ENABLE)
# warning serial_enable read
if (select(1, &fds, NULL, NULL, &tval) == 1) {
(void) read(0, &chbuf, 1);
(void) read(tty_id, &chbuf, 1);
BX_DEBUG(("read: '%c'",chbuf));
#else
if (0) {
#endif