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-rw-r--r--arch/sparc/prom/console_64.c81
1 files changed, 15 insertions, 66 deletions
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index 10322dc2f557..ed39e75828bd 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -15,85 +15,34 @@
extern int prom_stdin, prom_stdout;
-/* Non blocking get character from console input device, returns -1
- * if no input was taken. This can be used for polling.
- */
-inline int
-prom_nbgetchar(void)
-{
- unsigned long args[7];
- char inc;
-
- args[0] = (unsigned long) "read";
- args[1] = 3;
- args[2] = 1;
- args[3] = (unsigned int) prom_stdin;
- args[4] = (unsigned long) &inc;
- args[5] = 1;
- args[6] = (unsigned long) -1;
-
- p1275_cmd_direct(args);
-
- if (args[6] == 1)
- return inc;
- return -1;
-}
-
-/* Non blocking put character to console device, returns -1 if
- * unsuccessful.
- */
-inline int
-prom_nbputchar(char c)
+static int __prom_console_write_buf(const char *buf, int len)
{
unsigned long args[7];
- char outc;
-
- outc = c;
+ int ret;
args[0] = (unsigned long) "write";
args[1] = 3;
args[2] = 1;
args[3] = (unsigned int) prom_stdout;
- args[4] = (unsigned long) &outc;
- args[5] = 1;
+ args[4] = (unsigned long) buf;
+ 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 get character routine above. */
-char
-prom_getchar(void)
-{
- int character;
- while((character = prom_nbgetchar()) == -1) ;
- return (char) character;
-}
-
-/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
+void prom_console_write_buf(const char *buf, int len)
{
- prom_nbputchar(c);
-}
-
-void
-prom_puts(const char *s, int len)
-{
- unsigned long args[7];
-
- args[0] = (unsigned long) "write";
- args[1] = 3;
- args[2] = 1;
- args[3] = (unsigned int) prom_stdout;
- args[4] = (unsigned long) s;
- args[5] = len;
- args[6] = (unsigned long) -1;
-
- p1275_cmd_direct(args);
+ while (len) {
+ int n = __prom_console_write_buf(buf, len);
+ if (n < 0)
+ continue;
+ len -= n;
+ buf += len;
+ }
}