diff options
Diffstat (limited to 'arch/powerpc/boot/ofconsole.c')
-rw-r--r-- | arch/powerpc/boot/ofconsole.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ofconsole.c b/arch/powerpc/boot/ofconsole.c new file mode 100644 index 000000000000..00c9dc92dd2f --- /dev/null +++ b/arch/powerpc/boot/ofconsole.c @@ -0,0 +1,45 @@ +/* + * OF console routines + * + * Copyright (C) Paul Mackerras 1997. + * + * 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 <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" + +#include "of.h" + +static void *of_stdout_handle; + +static int of_console_open(void) +{ + void *devp; + + if (((devp = finddevice("/chosen")) != NULL) + && (getprop(devp, "stdout", &of_stdout_handle, + sizeof(of_stdout_handle)) + == sizeof(of_stdout_handle))) + return 0; + + return -1; +} + +static void of_console_write(char *buf, int len) +{ + of_call_prom("write", 3, 1, of_stdout_handle, buf, len); +} + +void of_console_init(void) +{ + console_ops.open = of_console_open; + console_ops.write = of_console_write; +} |