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Diffstat (limited to 'util/ich9utils/src/ich9gen.c')
-rw-r--r--util/ich9utils/src/ich9gen.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/util/ich9utils/src/ich9gen.c b/util/ich9utils/src/ich9gen.c
new file mode 100644
index 00000000..80546757
--- /dev/null
+++ b/util/ich9utils/src/ich9gen.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2014, 2015, 2019 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2016 Swift Geek <swiftgeek@gmail.com>
+ *
+ * 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/>.
+ */
+
+/* Generate deblobbed descriptor and gbe 12KiB file from scratch
+ * without relying on a factory.rom dump */
+
+#include "ich9gen.h"
+
+int main(int argc, char *argv[])
+{
+ int i, j;
+
+ struct GBEREGIONRECORD_8K gbeStruct8k = generatedGbeStruct8k();
+ struct DESCRIPTORREGIONRECORD descriptorStruct4M = generatedDescriptorStruct(ROMSIZE_4MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStruct8M = generatedDescriptorStruct(ROMSIZE_8MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStruct16M = generatedDescriptorStruct(ROMSIZE_16MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe4M = generatedDescriptorStruct(ROMSIZE_4MB, WITHOUTGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe8M = generatedDescriptorStruct(ROMSIZE_8MB, WITHOUTGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe16M = generatedDescriptorStruct(ROMSIZE_16MB, WITHOUTGBE);
+
+ /* Only for the compatibility checks */
+ struct DESCRIPTORREGIONRECORD dummyDescriptorStruct;
+ struct GBEREGIONRECORD_8K dummyGbeStruct8k;
+
+ /*
+ * ------------------------------------------------------------------
+ * Compatibility checks. This version of ich9deblob is not yet portable.
+ * ------------------------------------------------------------------
+ */
+
+ if (systemOrCompilerIncompatible(dummyDescriptorStruct, dummyGbeStruct8k)) return 1;
+ /* If true, fail with error message */
+
+ /*
+ * ------------------------------------------------------------------
+ * Arguments given on the terminal
+ * ------------------------------------------------------------------
+ */
+
+
+ if(argc==3) {
+
+ /* If user provides their own MAC address, it will be used.
+ * Otherwise, ich9gen will simply use the default one.
+ *
+ * However, if the user provides an invalid MAC address, then ich9gen
+ * will exit. */
+ if(0==strcmp(argv[1],"--macaddress")) {
+ /* 6 hex chars format (example): AA:BB:CC:DD:EE:FF */
+ if (strlen(argv[2]) != 17) {
+ printf("ich9gen: invalid mac address format (wrong length)\n");
+ return 1;
+ }
+ for(i=2; i<14; i+=3) {
+ if(argv[2][i]!=':') {
+ printf("ich9gen: invalid mac address format (non-colon characters used as spacing)\n");
+ return 1;
+ }
+ }
+ for(i=0; i<6; i++) {
+ gbeStruct8k.main.macAddress[i] = 0;
+
+ /* Go through each nibble of the byte */
+ for(j=0; j<2; j++) {
+ if(argv[2][(i*3)+j]>='a' && argv[2][(i*3)+j]<='f')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 87) << ((j^1) << 2));
+ else if(argv[2][(i*3)+j]>='A' && argv[2][(i*3)+j]<='F')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 55) << ((j^1) << 2));
+ else if(argv[2][(i*3)+j]>='0' && argv[2][(i*3)+j]<='9')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 48) << ((j^1) << 2));
+ else {
+ printf("ich9gen: invalid mac address format (non-hex characters)\n");
+ return 1;
+ }
+ }
+ }
+
+ gbeStruct8k.main.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct8k.main, GBECHECKSUMTOTAL); /* Fix the checksum */
+ memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K); /* Copy to the backup */
+
+ /* Generate ich9gen data (C code for Gbe region): */
+
+ /* mkgbe.h */
+ if (notCreatedHFileForGbeCFile("mkgbe.h", "mkgbe.c")) {
+ return 1;
+ } /* and now mkgbe.c */
+ if (notCreatedCFileFromGbeStruct4k(gbeStruct8k.backup, "mkgbe.c", "mkgbe.h")) {
+ return 1;
+ }
+
+ printf("You selected to change the MAC address in the Gbe section. This has been done.\n\n");
+
+ printf("The modified gbe region has also been dumped as src files: mkgbe.c, mkgbe.h\n");
+ printf("To use these in ich9gen, place them in src/ich9gen/ and re-build ich9gen.\n\n");
+ }
+
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 12KiB files, ready to be used in a libreboot image
+ * ------------------------------------------------------------------
+ */
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct4M, gbeStruct8k, "ich9fdgbe_4m.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct8M, gbeStruct8k, "ich9fdgbe_8m.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct16M, gbeStruct8k, "ich9fdgbe_16m.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 12KiB files, ready to be used in a libreboot image
+ * These are special descriptor files where the flash chip is set to read-only
+ * in FLMSTR1
+ * ------------------------------------------------------------------
+ */
+
+ descriptorStruct4M = descriptorHostRegionsReadOnly(descriptorStruct4M);
+ descriptorStruct8M = descriptorHostRegionsReadOnly(descriptorStruct8M);
+ descriptorStruct16M = descriptorHostRegionsReadOnly(descriptorStruct16M);
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct4M, gbeStruct8k, "ich9fdgbe_4m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct8M, gbeStruct8k, "ich9fdgbe_8m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct16M, gbeStruct8k, "ich9fdgbe_16m_ro.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 4KiB files (descriptors without GbE), ready to be used in a libreboot image
+ * In these descriptors, the onboard Intel GbE NIC is disabled; a discrete one is used instead
+ * ------------------------------------------------------------------
+ */
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe4M, "ich9fdnogbe_4m.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe8M, "ich9fdnogbe_8m.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe16M, "ich9fdnogbe_16m.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 4KiB files (descriptors without GbE), ready to be used in a libreboot image
+ * In these descriptors, the onboard Intel GbE NIC is disabled; a discrete one is used instead
+ *
+ * This is a special version where the flash chip is read-only as specified
+ * in flmstr1
+ *
+ * ------------------------------------------------------------------
+ */
+
+ descriptorStructNoGbe4M = descriptorHostRegionsReadOnly(descriptorStructNoGbe4M);
+ descriptorStructNoGbe8M = descriptorHostRegionsReadOnly(descriptorStructNoGbe8M);
+ descriptorStructNoGbe16M = descriptorHostRegionsReadOnly(descriptorStructNoGbe16M);
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe4M, "ich9fdnogbe_4m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe8M, "ich9fdnogbe_8m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe16M, "ich9fdnogbe_16m_ro.bin")) {
+ return 1;
+ }
+
+ return 0;
+}