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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [newlib-1.18.0/] [newlib-1.18.0-or32-1.0rc2/] [newlib/] [libc/] [sys/] [sysnec810/] [write.c] - Rev 520
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static volatile char *data = (char *)(0x20); static volatile char *control = (char *)(0x24); extern void _outb (volatile char*, unsigned char); extern unsigned char _inb (volatile char*); static unsigned char read_scc_reg (unsigned char n) { _outb (control, n); return _inb(control); } static void write_scc_data (unsigned char n) { _outb (data, n); } int _write (int dev, void *buf, unsigned int len) { int i; char *string = (char*)buf; for (i = 0; i < len; i++) { int j; for (j = 0 ; j < 5000; j++) ; write_scc_data (string[i]); } return len; }