diff options
Diffstat (limited to 'purgatory/arch/ppc64/console-ppc64.c')
-rw-r--r-- | purgatory/arch/ppc64/console-ppc64.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/purgatory/arch/ppc64/console-ppc64.c b/purgatory/arch/ppc64/console-ppc64.c new file mode 100644 index 0000000..2403312 --- /dev/null +++ b/purgatory/arch/ppc64/console-ppc64.c @@ -0,0 +1,45 @@ +/* + * kexec: Linux boots Linux + * + * Created by: Mohan Kumar M (mohan@in.ibm.com) + * + * Copyright (C) IBM Corporation, 2005. All rights reserved + * + * 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 (version 2 of the License). + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <purgatory.h> +#include "hvCall.h" +#include <byteswap.h> +#include <endian.h> +#include <asm/byteorder.h> + +extern int debug; + +void putchar(int c) +{ + char buff[16] = ""; + unsigned long *lbuf = (unsigned long *)buff; + + if (!debug) /* running on non pseries */ + return; + + if (c == '\n') + putchar('\r'); + + buff[0] = c; + plpar_hcall_norets(H_PUT_TERM_CHAR, 0, 1, + __cpu_to_be64(lbuf[0]), __cpu_to_be64(lbuf[1])); + return; +} |