From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/sparc/prom/console_64.c | 45 ++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 ANDROID_3.4.5/arch/sparc/prom/console_64.c (limited to 'ANDROID_3.4.5/arch/sparc/prom/console_64.c') diff --git a/ANDROID_3.4.5/arch/sparc/prom/console_64.c b/ANDROID_3.4.5/arch/sparc/prom/console_64.c new file mode 100644 index 00000000..f95edcc5 --- /dev/null +++ b/ANDROID_3.4.5/arch/sparc/prom/console_64.c @@ -0,0 +1,45 @@ +/* console.c: Routines that deal with sending and receiving IO + * to/from the current console device using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@davemloft.net) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include +#include +#include + +static int __prom_console_write_buf(const char *buf, int len) +{ + unsigned long args[7]; + int ret; + + args[0] = (unsigned long) "write"; + args[1] = 3; + args[2] = 1; + args[3] = (unsigned int) prom_stdout; + args[4] = (unsigned long) buf; + args[5] = (unsigned int) len; + args[6] = (unsigned long) -1; + + p1275_cmd_direct(args); + + ret = (int) args[6]; + if (ret < 0) + return -1; + return ret; +} + +void prom_console_write_buf(const char *buf, int len) +{ + while (len) { + int n = __prom_console_write_buf(buf, len); + if (n < 0) + continue; + len -= n; + buf += len; + } +} -- cgit