acrn-kernel/arch/ppc/boot/of1275/ofstdio.c

33 lines
767 B
C

/*
* Copyright (C) Paul Mackerras 1997.
* Copyright (C) Leigh Brown 2002.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include "of1275.h"
int
ofstdio(ihandle *stdin, ihandle *stdout, ihandle *stderr)
{
ihandle in, out;
phandle chosen;
if ((chosen = finddevice("/chosen")) == OF_INVALID_HANDLE)
goto err;
if (getprop(chosen, "stdout", &out, sizeof(out)) != 4)
goto err;
if (getprop(chosen, "stdin", &in, sizeof(in)) != 4)
goto err;
*stdin = in;
*stdout = out;
*stderr = out;
return 0;
err:
return -1;
}