diff options
Diffstat (limited to 'resources/utilities/ich9deblob/common')
| -rw-r--r-- | resources/utilities/ich9deblob/common/common.c | 70 | ||||
| -rw-r--r-- | resources/utilities/ich9deblob/common/common.h | 35 |
2 files changed, 105 insertions, 0 deletions
diff --git a/resources/utilities/ich9deblob/common/common.c b/resources/utilities/ich9deblob/common/common.c new file mode 100644 index 0000000..cef5b3e --- /dev/null +++ b/resources/utilities/ich9deblob/common/common.c @@ -0,0 +1,70 @@ +/* + * common.c + * This file is part of the ich9deblob utility from the libreboot project + * + * Purpose: common functions/methods used by ich9deblob + * + * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org> + * Francis Rowe <info@gluglug.org.uk> + * + * 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 <stdio.h> +#include <string.h> +#include "common.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; + + /* These will have the structs copied to them */ + char descriptorBuffer[DESCRIPTORREGIONSIZE]; + char gbeBuffer8k[GBEREGIONSIZE_8K]; + + /* Copy the structs to buffers, to make writing them as files easier */ + memcpy(&descriptorBuffer, &descriptorStruct, DESCRIPTORREGIONSIZE); /* descriptor */ + memcpy(&gbeBuffer8k, &gbeStruct8k, GBEREGIONSIZE_8K); /* gbe */ + + /* 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(descriptorBuffer, sizeof(char), DESCRIPTORREGIONSIZE, fileStream)) + { + printf("\nerror: writing descriptor region failed\n"); + return 1; + } + + /* add gbe to the end of the file */ + if (GBEREGIONSIZE_8K != fwrite(gbeBuffer8k, sizeof(char), GBEREGIONSIZE_8K, 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=deblobbed_descriptor.bin of=libreboot.rom bs=1 count=12k conv=notrunc\n"); + printf("(in other words, add the modified descriptor+gbe to your ROM image)\n\n"); + + return 0; +} diff --git a/resources/utilities/ich9deblob/common/common.h b/resources/utilities/ich9deblob/common/common.h new file mode 100644 index 0000000..e72821d --- /dev/null +++ b/resources/utilities/ich9deblob/common/common.h @@ -0,0 +1,35 @@ +/* + * common.h + * This file is part of the ich9deblob utility from the libreboot project + * + * Purpose: header file for common.c + * + * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org> + * Francis Rowe <info@gluglug.org.uk> + * + * 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/>. + */ + +#ifndef COMMON_H +#define COMMON_H + +#include <stdio.h> +#include <string.h> + +#include "../descriptor/descriptor.h" /* structs describing what's in the descriptor region */ +#include "../gbe/gbe.h" /* structs describing what's in the gbe region */ + +int notCreatedDescriptorGbeFile(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k, char* fileName); + +#endif |