diff options
Diffstat (limited to 'arch/sparc/prom/console_64.c')
| -rw-r--r-- | arch/sparc/prom/console_64.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c index 0da88d10beff..ed39e75828bd 100644 --- a/arch/sparc/prom/console_64.c +++ b/arch/sparc/prom/console_64.c @@ -15,35 +15,34 @@ extern int prom_stdin, prom_stdout; -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -static int prom_nbputchar(const char *buf) +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] = 1; + args[5] = (unsigned int) len; args[6] = (unsigned long) -1; p1275_cmd_direct(args); - if (args[6] == 1) - return 0; - else + ret = (int) args[6]; + if (ret < 0) return -1; + return ret; } -/* Blocking version of put character routine above. */ -void prom_putchar(const char *buf) +void prom_console_write_buf(const char *buf, int len) { - while (1) { - int err = prom_nbputchar(buf); - if (!err) - break; + while (len) { + int n = __prom_console_write_buf(buf, len); + if (n < 0) + continue; + len -= n; + buf += len; } } |