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#include <nwtypes.h>
#include "alpha-patch.h"
#include <errno.h>
#include <stdio.h>
#define CONST const
/* This file provides stubs and equivalent interfaces for all functions that
the debugger stub needs, but aren't yet implemented. */
int
AIOReadData (int portHandle, char *buffer, LONG length, LONG *numberBytesRead)
{
ULONG c;
while (1)
{
c = com_interrupt ();
if ((c & ~0377) == COM1)
break;
}
*buffer = c;
*numberBytesRead = 1;
return AIO_SUCCESS;
}
int
AIOWriteData (int portHandle, char *buffer, LONG length,
LONG *numberBytesWritten)
{
*numberBytesWritten = length;
while (length-- > 0)
uart_putchar (COM1, *buffer++);
return AIO_SUCCESS;
}
int
AIOAcquirePort (int *hardwareType, int *boardNumber, int *portNumber,
int *portHandle)
{
return AIO_SUCCESS;
}
int
AIOConfigurePort (int portHandle, BYTE bitRate, BYTE dataBits, BYTE stopBits,
BYTE parityMode, BYTE flowCtrlMode)
{
uart_init_line (1, 9600);
return AIO_SUCCESS;
}
int
AIOGetPortConfiguration (int portHandle, AIOPORTCONFIG *pPortConfig,
AIODVRCONFIG *pDvrConfig)
{
fprintf (stderr, "AIOGetPortConfiguration stubbed out\n");
exit (1);
}
int
AIOReleasePort (int portHandle)
{
return AIO_SUCCESS;
}
int
AIOSetExternalControl (int portHandle, int requestType, int requestValue)
{
return AIO_SUCCESS;
}
int
AIOGetExternalStatus (int portHandle, LONG *extStatus, LONG *chgdExtStatus)
{
fprintf (stderr, "AIOGetExternalStatus stubbed out\n");
exit (1);
}
void
StopBell ()
{
}
int
Breakpoint (int __arg)
{
fprintf (stderr, "Breakpoint() stubbed out\n");
exit (1);
}
/*
* strtol : convert a string to long.
*
* Andy Wilson, 2-Oct-89.
*/
/* FIXME: It'd be nice to configure around these, but the include files are too
painful. These macros should at least be more portable than hardwired hex
constants. */
#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF */
#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF */
#define LONG_MIN ((long)(~LONG_MAX)) /* 0x80000000 */
extern int errno;
long
strtol(s, ptr, base)
CONST char *s; char **ptr; int base;
{
extern unsigned long strtoul();
int minus=0;
unsigned long tmp;
CONST char *start=s, *eptr;
if (s==NULL)
{
errno = ERANGE;
if (!ptr)
*ptr = (char *)start;
return 0L;
}
while (isspace(*s))
s++;
if (*s == '-') {
s++;
minus = 1;
}
else if (*s == '+')
s++;
/*
* let strtoul do the hard work.
*/
tmp = strtoul(s, &eptr, base);
if (ptr != NULL)
*ptr = (char *)((eptr==s) ? (char *)start : eptr);
if (tmp > (minus ? - (unsigned long) LONG_MIN : (unsigned long) LONG_MAX))
{
errno = ERANGE;
return (minus ? LONG_MIN : LONG_MAX);
}
return (minus ? (long) -tmp : (long) tmp);
}
/*
* strtol : convert a string to long.
*
* Andy Wilson, 2-Oct-89.
*/
#ifndef ULONG_MAX
#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF */
#endif
extern int errno;
unsigned long
strtoul(s, ptr, base)
CONST char *s; char **ptr; int base;
{
unsigned long total = 0;
unsigned digit;
CONST char *start=s;
int did_conversion=0;
int overflow = 0;
int negate = 0;
unsigned long maxdiv, maxrem;
if (s==NULL)
{
errno = ERANGE;
if (!ptr)
*ptr = (char *)start;
return 0L;
}
while (isspace(*s))
s++;
if (*s == '+')
s++;
else if (*s == '-')
s++, negate = 1;
if (base==0 || base==16) /* the 'base==16' is for handling 0x */
{
int tmp;
/*
* try to infer base from the string
*/
if (*s != '0')
tmp = 10; /* doesn't start with 0 - assume decimal */
else if (s[1] == 'X' || s[1] == 'x')
tmp = 16, s += 2; /* starts with 0x or 0X - hence hex */
else
tmp = 8; /* starts with 0 - hence octal */
if (base==0)
base = (int)tmp;
}
maxdiv = ULONG_MAX / base;
maxrem = ULONG_MAX % base;
while ((digit = *s) != '\0')
{
if (digit >= '0' && digit < ('0'+base))
digit -= '0';
else
if (base > 10)
{
if (digit >= 'a' && digit < ('a'+(base-10)))
digit = digit - 'a' + 10;
else if (digit >= 'A' && digit < ('A'+(base-10)))
digit = digit - 'A' + 10;
else
break;
}
else
break;
did_conversion = 1;
if (total > maxdiv
|| (total == maxdiv && digit > maxrem))
overflow = 1;
total = (total * base) + digit;
s++;
}
if (overflow)
{
errno = ERANGE;
if (ptr != NULL)
*ptr = (char *)s;
return (ULONG_MAX);
}
if (ptr != NULL)
*ptr = (char *) ((did_conversion) ? (char *)s : (char *)start);
return negate ? -total : total;
}
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