1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/sample/hello2.c b/contrib/syslinux-4.02/sample/hello2.c
new file mode 100644
index 0000000..e892011
--- /dev/null
+++ b/contrib/syslinux-4.02/sample/hello2.c
@@ -0,0 +1,58 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2002-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   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, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * hello2.c
+ *
+ * Simple COM32 image
+ *
+ * This version shows how to use the bounce buffer for data transfer
+ * to the BIOS or COMBOOT system calls.
+ */
+
+#include <com32.h>
+
+#define NULL ((void *)0)
+
+static inline void memset(void *buf, int ch, unsigned int len)
+{
+    asm volatile ("cld; rep; stosb":"+D" (buf), "+c"(len):"a"(ch):"memory");
+}
+
+static void strcpy(char *dst, const char *src)
+{
+    while (*src)
+	*dst++ = *src++;
+
+    *dst = '\0';
+}
+
+static void writemsg(const char *msg)
+{
+    com32sys_t inreg;
+
+    memset(&inreg, 0, sizeof inreg);
+
+    strcpy(__com32.cs_bounce, msg);
+    inreg.eax.w[0] = 0x0002;	/* Write string */
+    inreg.ebx.w[0] = OFFS(__com32.cs_bounce);
+    inreg.es = SEG(__com32.cs_bounce);
+    __com32.cs_intcall(0x22, &inreg, NULL);
+};
+
+int __start(void)
+{
+    writemsg("Hello, World!\r\n" "cmdline = ");
+    writemsg(__com32.cs_cmdline);
+    writemsg("\r\n");
+    return 0;
+}