console: Add a console buffer

[karo-tx-uboot.git] / common / console.c

diff --git a/common/console.c b/common/console.c
index 10972b04a6f6da4980f1ceaea93d1b8f37d0a38a..b3f126cceba6633ef9e49598a81a3a1f54908d29 100644 (file)
--- a/common/console.c
+++ b/common/console.c
@@ -378,6 +378,15 @@ int getc(void)
        if (!gd->have_console)
                return 0;
 
+#ifdef CONFIG_CONSOLE_RECORD
+       if (gd->console_in.start) {
+               int ch;
+
+               ch = membuff_getbyte(&gd->console_in);
+               if (ch != -1)
+                       return 1;
+       }
+#endif
        if (gd->flags & GD_FLG_DEVINIT) {
                /* Get from the standard input */
                return fgetc(stdin);
@@ -396,7 +405,12 @@ int tstc(void)
 
        if (!gd->have_console)
                return 0;
-
+#ifdef CONFIG_CONSOLE_RECORD
+       if (gd->console_in.start) {
+               if (membuff_peekbyte(&gd->console_in) != -1)
+                       return 1;
+       }
+#endif
        if (gd->flags & GD_FLG_DEVINIT) {
                /* Test the standard input */
                return ftstc(stdin);
@@ -470,6 +484,10 @@ void putc(const char c)
                return;
        }
 #endif
+#ifdef CONFIG_CONSOLE_RECORD
+       if (gd && (gd->flags & GD_FLG_RECORD) && gd->console_out.start)
+               membuff_putbyte(&gd->console_out, c);
+#endif
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT)
                return;
@@ -513,6 +531,10 @@ void puts(const char *s)
                return;
        }
 #endif
+#ifdef CONFIG_CONSOLE_RECORD
+       if (gd && (gd->flags & GD_FLG_RECORD) && gd->console_out.start)
+               membuff_put(&gd->console_out, s, strlen(s));
+#endif
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT)
                return;
@@ -575,6 +597,32 @@ int vprintf(const char *fmt, va_list args)
        return i;
 }
 
+#ifdef CONFIG_CONSOLE_RECORD
+int console_record_init(void)
+{
+       int ret;
+
+       ret = membuff_new(&gd->console_out, CONFIG_CONSOLE_RECORD_OUT_SIZE);
+       if (ret)
+               return ret;
+       ret = membuff_new(&gd->console_in, CONFIG_CONSOLE_RECORD_IN_SIZE);
+
+       return ret;
+}
+
+void console_record_reset(void)
+{
+       membuff_purge(&gd->console_out);
+       membuff_purge(&gd->console_in);
+}
+
+void console_record_reset_enable(void)
+{
+       console_record_reset();
+       gd->flags |= GD_FLG_RECORD;
+}
+#endif
+
 /* test if ctrl-c was pressed */
 static int ctrlc_disabled = 0; /* see disable_ctrl() */
 static int ctrlc_was_pressed = 0;