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-rw-r--r--payloads/linuxcheck/i386.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/payloads/linuxcheck/i386.c b/payloads/linuxcheck/i386.c
new file mode 100644
index 000000000000..2b4b541f1ed4
--- /dev/null
+++ b/payloads/linuxcheck/i386.c
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreinfo project.
+ *
+ * Copyright (C) 2018 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include "linuxcheck.h"
+
+void buts(char *s)
+{
+ int i;
+ for (i = 0; i < strlen(s); i++)
+ outb(s[i], 0x3f8);
+}
+
+void hex4(u8 c)
+{
+ static char *hex = "0123456789abcdef";
+ outb(hex[c & 0xf], 0x3f8);
+}
+
+void hex8(u8 c)
+{
+ hex4(c >> 4);
+ hex4(c);
+}
+
+void hex16(u16 c)
+{
+ hex8((u8)(c >> 8));
+ hex8((u8)c);
+}
+void hex32(u32 c)
+{
+ hex16((u16)(c >> 16));
+ hex16((u16)c);
+}