1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/syslinux/latest/com32/lib/syslinux/dsinfo.c b/contrib/syslinux/latest/com32/lib/syslinux/dsinfo.c
new file mode 100644
index 0000000..c1f02a5
--- /dev/null
+++ b/contrib/syslinux/latest/com32/lib/syslinux/dsinfo.c
@@ -0,0 +1,45 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2008-2009 H. Peter Anvin - All Rights Reserved
+ *   Copyright 2009 Intel Corporation; author: H. Peter Anvin
+ *
+ *   Permission is hereby granted, free of charge, to any person
+ *   obtaining a copy of this software and associated documentation
+ *   files (the "Software"), to deal in the Software without
+ *   restriction, including without limitation the rights to use,
+ *   copy, modify, merge, publish, distribute, sublicense, and/or
+ *   sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following
+ *   conditions:
+ *
+ *   The above copyright notice and this permission notice shall
+ *   be included in all copies or substantial portions of the Software.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *   OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <syslinux/config.h>
+#include <klibc/compiler.h>
+#include <com32.h>
+
+union syslinux_derivative_info __syslinux_derivative_info;
+
+void __constructor __syslinux_get_derivative_info(void)
+{
+    com32sys_t *const r = &__syslinux_derivative_info.rr.r;
+
+    r->eax.w[0] = 0x000A;
+    __intcall(0x22, r, r);
+
+    __syslinux_derivative_info.r.esbx = MK_PTR(r->es, r->ebx.w[0]);
+    __syslinux_derivative_info.r.fssi = MK_PTR(r->fs, r->esi.w[0]);
+    __syslinux_derivative_info.r.gsdi = MK_PTR(r->gs, r->edi.w[0]);
+}