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authorLeah Rowe <leah@libreboot.org>2023-04-08 03:14:48 +0100
committerLeah Rowe <leah@libreboot.org>2023-04-08 18:36:50 +0100
commiteb9d06304049ca03e4d00c81b43fb996d8424a1f (patch)
tree367193972648607d31f502a5be7b2047ae6fc5e0 /util/ich9utils/src/common/descriptor_gbe.c
parent58e12063c72b7b2a7f4bb2c0c9e71b467d41d2c1 (diff)
add ich9utils back to utils
don't download it. keep it in lbmk. libreboot moved to codeberg for git hosting, and i didn't want to keep lugging around an extra git repo just for one tiny project.
Diffstat (limited to 'util/ich9utils/src/common/descriptor_gbe.c')
-rw-r--r--util/ich9utils/src/common/descriptor_gbe.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/util/ich9utils/src/common/descriptor_gbe.c b/util/ich9utils/src/common/descriptor_gbe.c
new file mode 100644
index 00000000..1c1ad32b
--- /dev/null
+++ b/util/ich9utils/src/common/descriptor_gbe.c
@@ -0,0 +1,90 @@
+/*
+ * descriptor_gbe.c
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: common descriptor/gbe functions used by ich9deblob
+ *
+ * Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "descriptor_gbe.h"
+
+/*
+ * create 12KiB file with descriptor, and then gbe immediately after.
+ */
+int notCreatedDescriptorGbeFile(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k, char* fileName)
+{
+ FILE* fileStream = NULL;
+
+ /* delete old file before continuing */
+ remove(fileName);
+
+ /* open new file for writing the descriptor+gbe */
+ fileStream = fopen(fileName, "ab");
+
+ /* write the descriptor region into the first part */
+ if (DESCRIPTORREGIONSIZE != fwrite((uint8_t*)&descriptorStruct, 1, sizeof(descriptorStruct), fileStream))
+ {
+ printf("\nerror: writing descriptor region failed\n");
+ return 1;
+ }
+
+ /* add gbe to the end of the file */
+ if (GBEREGIONSIZE_8K != fwrite((uint8_t*)&gbeStruct8k, 1, sizeof(gbeStruct8k), fileStream))
+ {
+ printf("\nerror: writing GBe region failed\n");
+ return 1;
+ }
+
+ fclose(fileStream);
+
+ printf("descriptor and gbe successfully written to the file: %s\n", fileName);
+ printf("Now do: dd if=%s of=libreboot.rom bs=1 count=12k conv=notrunc\n", fileName);
+ printf("(in other words, add the modified descriptor+gbe to your ROM image)\n\n");
+
+ return 0;
+}
+
+/*
+ * create 4KiB file with descriptor
+ */
+int notCreated4kDescriptorFile(struct DESCRIPTORREGIONRECORD descriptorStruct, char* fileName)
+{
+ FILE* fileStream = NULL;
+
+ /* delete old file before continuing */
+ remove(fileName);
+
+ /* open new file for writing the descriptor+gbe */
+ fileStream = fopen(fileName, "ab");
+
+ /* write the descriptor region into the first part */
+ if (DESCRIPTORREGIONSIZE != fwrite((uint8_t*)&descriptorStruct, 1, sizeof(descriptorStruct), fileStream))
+ {
+ printf("\nerror: writing descriptor region failed\n");
+ return 1;
+ }
+
+
+ fclose(fileStream);
+
+ printf("descriptor successfully written to the file: %s\n", fileName);
+ printf("Now do: dd if=%s of=yourrom.rom bs=1 count=4k conv=notrunc\n", fileName);
+ printf("(in other words, add the modified descriptor to your ROM image)\n\n");
+
+ return 0;
+}