util/x86/x86_page_tables: add license header to generated code

If one wants to check in generated page tables in C then coreboot
complains about there not being a license. Therefore, add the BSD
license to the generated page tables.

BUG=b:72728953

Change-Id: I980d7a7c0c14c1ed5aa8ce37a1484943a6a100f2
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25737
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/util/x86/x86_page_tables.go b/util/x86/x86_page_tables.go
index e03edeab19..22793654f0 100644
--- a/util/x86/x86_page_tables.go
+++ b/util/x86/x86_page_tables.go
@@ -38,6 +38,35 @@ var pdptCFilePtr = flag.String("pdpt_output_c_file", "", "File to write PDPT to
 var pdptBinFilePtr = flag.String("pdpt_output_bin_file", "", "File to write PDPT to in binary")
 var pagesBaseAddress = flag.Uint64("metadata_base_address", BASE_ADDR, "Physical base address where metadata pages allocated from")
 
+var generatedCodeLicense string =
+`/*
+ * Copyright 2018 Generated Code
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ` + "``" + `AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+`
+
 const (
 	PAT_UC      = 0
 	PAT_WC      = 1
@@ -144,6 +173,9 @@ func (cw *cWriter) WritePageEntry(data interface{}) error {
 	}
 
 	if cw.currentIndex == 0 {
+		if _, err := fmt.Fprint(cw.wr, generatedCodeLicense); err != nil {
+		return err
+	}
 		includes := []string{
 			"stdint.h",
 		}