along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-#ifdef __GO32__
+#if defined __GO32__ || defined _WIN32
#include "defs.h"
#include "serial.h"
-#include <sys/dos.h>
+#include "gdb_string.h"
+/* MSVC uses strnicmp instead of strncasecmp */
+#ifdef _MSC_VER
+#define strncasecmp strnicmp
+#define WIN32_LEAN_AND_MEAN
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#ifdef __GO32__
+#include <sys/dos.h>
+#endif
static int e7000pc_open PARAMS ((serial_t scb, const char *name));
static void e7000pc_raw PARAMS ((serial_t scb));
static void e7000pc_close PARAMS ((serial_t scb));
static serial_ttystate e7000pc_get_tty_state PARAMS ((serial_t scb));
static int e7000pc_set_tty_state PARAMS ((serial_t scb, serial_ttystate state));
-static char *aptr PARAMS ((short p));
-
-static int dos_async_init PARAMS ((int port));
-static void dos_async_tx PARAMS ((const char c));
-static int dos_async_rx PARAMS (());
-
-
#define OFF_DPD 0x0000
#define OFF_DDP 0x1000
static unsigned long irqtop;
static unsigned long board_at;
+#ifdef __GO32__
+
#define SET_BYTE(x,y) { char _buf = y;dosmemput(&_buf,1, x);}
#define SET_WORD(x,y) { short _buf = y;dosmemput(&_buf,2, x);}
#define GET_BYTE(x) ( dosmemget(x,1,&bb), bb)
#define GET_WORD(x) ( dosmemget(x,2,&sb), sb)
-
static unsigned char bb;
static unsigned short sb;
+#else /* win32 */
+
+#define SET_BYTE(x,y) *(volatile unsigned char *)(x) = (y)
+#define SET_WORD(x,y) *(volatile unsigned short *)(x) = (y)
+#define GET_BYTE(x) (*(volatile unsigned char *)(x))
+#define GET_WORD(x) (*(volatile unsigned short *)(x))
+#define dosmemget(FROM, LEN, TO) memcpy ((void *)(TO), (void *)(FROM), (LEN))
+#define dosmemput(FROM, LEN, TO) memcpy ((void *)(TO), (void *)(FROM), (LEN))
+#endif
static struct sw
{
{0x17, 0xdc000},
0};
+#ifdef _MSC_VER
+/* Get the base of the data segment. This is needed to calculate the offset
+ between data segment addresses and the base of linear memory, which is where
+ device registers reside. Note that this is really only necessary for
+ Win32s, since Win95 and NT keep the data segment at linear 0. */
+
+static unsigned long
+get_ds_base (void)
+{
+ unsigned short dsval;
+ LDT_ENTRY ldt;
+ unsigned long dsbase;
+
+ __asm
+ {
+ mov dsval,ds
+ }
+
+ dsbase = 0;
+
+ GetThreadSelectorEntry (GetCurrentThread(), dsval, &ldt);
+
+ dsbase = ldt.HighWord.Bits.BaseHi << 24 | ldt.HighWord.Bits.BaseMid << 16
+ | ldt.BaseLow;
+
+ return dsbase;
+}
+#else /* !_MSC_VER */
+#define get_ds_base() 0
+#endif /* _MSC_VER */
+
static int
e7000pc_init ()
{
- /* Look around in memory for the board's signature */
-
int try;
+ unsigned long dsbase;
- for (try = 0; sigs[try].sw; try++)
+ dsbase = get_ds_base ();
+ /* Look around in memory for the board's signature */
+
+ for (try = 0; sigs[try].sw; try++)
{
int val;
- board_at = sigs[try].addr;
+ board_at = sigs[try].addr - dsbase;
fa = board_at + OFF_FA;
fb = board_at + OFF_FB;
cpd = board_at + OFF_CPD;
if (val == (0xaaa0 | sigs[try].sw))
{
- if (GET_BYTE (pon) & 0xf)
+ if (GET_WORD (pon) & 0xf)
{
- SET_BYTE(fa, 0);
- SET_BYTE (fb, 0);
+ SET_WORD (fa, 0);
+ SET_WORD (fb, 0);
- SET_BYTE (irqtop, 1); /* Disable interrupts from e7000 */
+ SET_WORD (irqtop, 1); /* Disable interrupts from e7000 */
SET_WORD (ready, 1);
printf_filtered ("\nConnected to the E7000PC at address 0x%x\n",
sigs[try].addr);
static int pbuf_size;
static int pbuf_index;
-static
-int
-e7000_get ()
+/* Return next byte from cdp. If no more, then return -1. */
+
+static int
+e7000_get (void)
{
static char pbuf[1000];
char tmp[1000];
int x;
+
if (pbuf_index < pbuf_size)
{
x = pbuf[pbuf_index++];
}
- else if ((GET_BYTE (fb) & 1))
+ else if ((GET_WORD (fb) & 1))
{
int i;
- pbuf_size = GET_WORD(cdp + 2);
+ pbuf_size = GET_WORD (cdp + 2);
dosmemget (cdp + 8, pbuf_size + 1, tmp);
/* Tell the E7000 we've eaten */
- SET_BYTE(fb,0);
+ SET_WORD (fb, 0);
/* Swap it around */
for (i = 0; i < pbuf_size; i++)
{
return x;
}
+/* Works just like read(), except that it takes a TIMEOUT in seconds. Note
+ that TIMEOUT == 0 is a poll, and TIMEOUT == -1 means wait forever. */
+
static int
dosasync_read (fd, buf, len, timeout)
int fd;
long now;
long then;
int i = 0;
- int p;
/* Then look for some more if we're still hungry */
time (&now);
{
int i;
char dummy[1000];
-
/* Construct copy locally */
((short *)dummy)[0] = CMD_CI;
}
/* Wait for the card to get ready */
- while ((GET_BYTE(fa) & 1) != 0)
- ;
+ while (GET_WORD (fa) & 1) ;
/* Blast onto the ISA card */
dosmemput (dummy, 8 + len + 1, cpd);
- SET_BYTE(fa, 1);
- SET_BYTE(irqtod, 1); /* Interrupt the E7000 */
+ SET_WORD (fa, 1);
+ SET_WORD (irqtod, 1); /* Interrupt the E7000 */
return len;
}
e7000pc_print_tty_state,
e7000pc_noflush_set_tty_state,
e7000pc_setbaudrate,
+ e7000pc_noop, /* wait for output to drain */
};
void
projects / deliverable / binutils-gdb.git / blobdiff