original_kernel/arch/xtensa/platforms/iss/io.c

33 lines
441 B
C

/* This file isn't really needed right now. */
#if 0
#include <asm/io.h>
#include <xtensa/simcall.h>
extern int __simc ();
char iss_serial_getc()
{
char c;
__simc( SYS_read, 0, &c, 1 );
return c;
}
void iss_serial_putc( char c )
{
__simc( SYS_write, 1, &c, 1 );
}
void iss_serial_puts( char *s )
{
if( s != 0 && *s != 0 )
__simc( SYS_write, 1, s, strlen(s) );
}
/*#error Need I/O ports to specific hardware!*/
#endif