/* SPDX-License-Identifier: GPL-2.0-only */ /* * ROMSIG At ROMBASE + 0x20000: * 0 4 8 C * +------------+---------------+----------------+------------+ * | 0x55AA55AA |EC ROM Address |GEC ROM Address |USB3 ROM | * +------------+---------------+----------------+------------+ * | PSPDIR ADDR|PSPDIR ADDR |<-- Field 0x14 could be either * +------------+---------------+ 2nd PSP directory or PSP COMBO directory * EC ROM should be 64K aligned. * * PSP directory (Where "PSPDIR ADDR" points) * +------------+---------------+----------------+------------+ * | 'PSP$' | Fletcher | Count | Reserved | * +------------+---------------+----------------+------------+ * | 0 | size | Base address | Reserved | Pubkey * +------------+---------------+----------------+------------+ * | 1 | size | Base address | Reserved | Bootloader * +------------+---------------+----------------+------------+ * | 8 | size | Base address | Reserved | Smu Firmware * +------------+---------------+----------------+------------+ * | 3 | size | Base address | Reserved | Recovery Firmware * +------------+---------------+----------------+------------+ * | | * | | * | Other PSP Firmware | * | | * | | * +------------+---------------+----------------+------------+ * * PSP Combo directory * +------------+---------------+----------------+------------+ * | 'PSP2' | Fletcher | Count |Look up mode| * +------------+---------------+----------------+------------+ * | R e s e r v e d | * +------------+---------------+----------------+------------+ * | ID-Sel | PSP ID | PSPDIR ADDR | | 2nd PSP directory * +------------+---------------+----------------+------------+ * | ID-Sel | PSP ID | PSPDIR ADDR | | 3rd PSP directory * +------------+---------------+----------------+------------+ * | | * | Other PSP | * | | * +------------+---------------+----------------+------------+ * */ #include #include #include #include #include #include #include #include #include #include #include #include #include "amdfwtool.h" #define AMD_ROMSIG_OFFSET 0x20000 #define MIN_ROM_KB 256 #define ALIGN(val, by) (((val) + (by) - 1) & ~((by) - 1)) #define _MAX(A, B) (((A) > (B)) ? (A) : (B)) #define ERASE_ALIGNMENT 0x1000U #define TABLE_ALIGNMENT 0x1000U #define BLOB_ALIGNMENT 0x100U #define TABLE_ERASE_ALIGNMENT _MAX(TABLE_ALIGNMENT, ERASE_ALIGNMENT) #define BLOB_ERASE_ALIGNMENT _MAX(BLOB_ALIGNMENT, ERASE_ALIGNMENT) #define DEFAULT_SOFT_FUSE_CHAIN "0x1" /* * Beginning with Family 15h Models 70h-7F, a.k.a Stoney Ridge, the PSP * can support an optional "combo" implementation. If the PSP sees the * PSP2 cookie, it interprets the table as a roadmap to additional PSP * tables. Using this, support for multiple product generations may be * built into one image. If the PSP$ cookie is found, the table is a * normal directory table. * * Modern generations supporting the combo directories require the * pointer to be at offset 0x14 of the Embedded Firmware Structure, * regardless of the type of directory used. The --combo-capable * argument enforces this placement. * * TODO: Future work may require fully implementing the PSP_COMBO feature. */ #define PSP_COMBO 0 /* * Creates the OSI Fletcher checksum. See 8473-1, Appendix C, section C.3. * The checksum field of the passed PDU does not need to be reset to zero. * * The "Fletcher Checksum" was proposed in a paper by John G. Fletcher of * Lawrence Livermore Labs. The Fletcher Checksum was proposed as an * alternative to cyclical redundancy checks because it provides error- * detection properties similar to cyclical redundancy checks but at the * cost of a simple summation technique. Its characteristics were first * published in IEEE Transactions on Communications in January 1982. One * version has been adopted by ISO for use in the class-4 transport layer * of the network protocol. * * This program expects: * stdin: The input file to compute a checksum for. The input file * not be longer than 256 bytes. * stdout: Copied from the input file with the Fletcher's Checksum * inserted 8 bytes after the beginning of the file. * stderr: Used to print out error messages. */ static uint32_t fletcher32(const void *data, int length) { uint32_t c0; uint32_t c1; uint32_t checksum; int index; const uint16_t *pptr = data; length /= 2; c0 = 0xFFFF; c1 = 0xFFFF; while (length) { index = length >= 359 ? 359 : length; length -= index; do { c0 += *(pptr++); c1 += c0; } while (--index); c0 = (c0 & 0xFFFF) + (c0 >> 16); c1 = (c1 & 0xFFFF) + (c1 >> 16); } /* Sums[0,1] mod 64K + overflow */ c0 = (c0 & 0xFFFF) + (c0 >> 16); c1 = (c1 & 0xFFFF) + (c1 >> 16); checksum = (c1 << 16) | c0; return checksum; } static void usage(void) { printf("amdfwtool: Create AMD Firmware combination\n"); printf("Usage: amdfwtool [options] --flashsize --output \n"); printf("--xhci Add XHCI blob\n"); printf("--imc Add IMC blob\n"); printf("--gec Add GEC blob\n"); printf("\nPSP options:\n"); printf("--combo-capable Place PSP directory pointer at Embedded\n"); printf(" Firmware\n"); printf(" offset able to support combo directory\n"); printf("--multilevel Generate primary and secondary tables\n"); printf("--nvram Add nvram binary\n"); printf("--soft-fuse Set soft fuse\n"); printf("--token-unlock Set token unlock\n"); printf("--whitelist Set if there is a whitelist\n"); printf("--use-pspsecureos Set if psp secure OS is needed\n"); printf("--load-mp2-fw Set if load MP2 firmware\n"); printf("--load-s0i3 Set if load s0i3 firmware\n"); printf("--verstage Add verstage\n"); printf("--verstage_sig Add verstage signature\n"); printf("--recovery-ab Use the recovery A/B layout\n"); printf("\nBIOS options:\n"); printf("--instance Sets instance field for the next BIOS\n"); printf(" firmware\n"); printf("--apcb Add AGESA PSP customization block\n"); printf("--apob-base Destination for AGESA PSP output block\n"); printf("--apob-nv-base Location of S3 resume data\n"); printf("--apob-nv-size Size of S3 resume data\n"); printf("--ucode Add microcode patch\n"); printf("--bios-bin Add compressed image; auto source address\n"); printf("--bios-bin-src Address in flash of source if -V not used\n"); printf("--bios-bin-dest Destination for uncompressed BIOS\n"); printf("--bios-uncomp-size Uncompressed size of BIOS image\n"); printf("--output output filename\n"); printf("--flashsize ROM size in bytes\n"); printf(" size must be larger than %dKB\n", MIN_ROM_KB); printf(" and must a multiple of 1024\n"); printf("--location Location of Directory\n"); printf("--anywhere Use any 64-byte aligned addr for Directory\n"); printf("--sharedmem Location of PSP/FW shared memory\n"); printf("--sharedmem-size Maximum size of the PSP/FW shared memory\n"); printf(" area\n"); printf("--soc-name Specify SOC name. Supported names are\n"); printf(" Stoneyridge, Raven, Picasso, Renoir, Cezanne\n"); printf(" or Lucienne\n"); printf("\nEmbedded Firmware Structure options used by the PSP:\n"); printf("--spi-speed SPI fast speed to place in EFS Table\n"); printf(" 0x0 66.66Mhz\n"); printf(" 0x1 33.33MHz\n"); printf(" 0x2 22.22MHz\n"); printf(" 0x3 16.66MHz\n"); printf(" 0x4 100MHz\n"); printf(" 0x5 800KHz\n"); printf("--spi-read-mode SPI read mode to place in EFS Table\n"); printf(" 0x0 Normal Read (up to 33M)\n"); printf(" 0x1 Reserved\n"); printf(" 0x2 Dual IO (1-1-2)\n"); printf(" 0x3 Quad IO (1-1-4)\n"); printf(" 0x4 Dual IO (1-2-2)\n"); printf(" 0x5 Quad IO (1-4-4)\n"); printf(" 0x6 Normal Read (up to 66M)\n"); printf(" 0x7 Fast Read\n"); printf("--spi-micron-flag Micron SPI part support for RV and later SOC\n"); printf(" 0x0 Micron parts are not used\n"); printf(" 0x1 Micron parts are always used\n"); printf(" 0x2 Micron parts optional, this option is only\n"); printf(" supported with RN/LCN SOC\n"); printf("\nGeneral options:\n"); printf("-c|--config Config file\n"); printf("-d|--debug Print debug message\n"); printf("-l|--list List out the firmware files\n"); printf("-h|--help Show this help\n"); } amd_fw_entry amd_psp_fw_table[] = { { .type = AMD_FW_PSP_PUBKEY, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_BOOTLOADER, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE, .subprog = 0, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_RECOVERY, .level = PSP_LVL1 }, { .type = AMD_FW_PSP_RTM_PUBKEY, .level = PSP_BOTH }, { .type = AMD_FW_PSP_SECURED_OS, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_NVRAM, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE, .subprog = 2, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SECURED_DEBUG, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_TRUSTLETS, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_TRUSTLETKEY, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE2, .subprog = 2, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE, .subprog = 1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE2, .subprog = 1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE2, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMUSCS, .level = PSP_BOTH }, { .type = AMD_PSP_FUSE_CHAIN, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_DEBUG_UNLOCK, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_HW_IPCFG, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_WRAPPED_IKEK, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_TOKEN_UNLOCK, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_SEC_GASKET, .subprog = 0, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_SEC_GASKET, .subprog = 2, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_SEC_GASKET, .subprog = 1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_MP2_FW, .subprog = 2, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_MP2_FW, .subprog = 1, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_MP2_FW, .subprog = 0, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_DRIVER_ENTRIES, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_KVM_IMAGE, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_S0I3_DRIVER, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_VBIOS_BTLOADER, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_TOS_SEC_POLICY, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_USB_PHY, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_DRTM_TA, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_KEYDB_BL, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_KEYDB_TOS, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_SPL, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_DMCU_ERAM, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_DMCU_ISR, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_RPMC_NVRAM, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_FW_PSP_BOOTLOADER_AB, .level = PSP_LVL2 | PSP_LVL2_AB }, { .type = AMD_ABL0, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL2, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL3, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL4, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL5, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL6, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_ABL7, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE, .subprog = 1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_SMU_FIRMWARE2, .subprog = 1, .level = PSP_BOTH | PSP_LVL2_AB }, { .type = AMD_FW_PSP_WHITELIST, .level = PSP_LVL2 }, { .type = AMD_FW_PSP_VERSTAGE, .level = PSP_BOTH | PSP_BOTH_AB }, { .type = AMD_FW_VERSTAGE_SIG, .level = PSP_BOTH | PSP_BOTH_AB }, { .type = AMD_FW_INVALID }, }; amd_fw_entry amd_fw_table[] = { { .type = AMD_FW_XHCI }, { .type = AMD_FW_IMC }, { .type = AMD_FW_GEC }, { .type = AMD_FW_INVALID }, }; amd_bios_entry amd_bios_table[] = { { .type = AMD_BIOS_RTM_PUBKEY, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 2, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 3, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 4, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 5, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 6, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 7, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 8, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 9, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 10, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 11, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 12, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 13, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 14, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 15, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 2, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 3, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 4, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 5, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 6, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 7, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 8, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 9, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 10, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 11, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 12, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 13, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 14, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB_BK, .inst = 15, .level = BDT_BOTH }, { .type = AMD_BIOS_APOB, .level = BDT_BOTH }, { .type = AMD_BIOS_BIN, .reset = 1, .copy = 1, .zlib = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_APOB_NV, .level = BDT_LVL2 }, { .type = AMD_BIOS_PMUI, .inst = 1, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 1, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUI, .inst = 2, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 2, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUI, .inst = 4, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 4, .subpr = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUI, .inst = 1, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 1, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUI, .inst = 2, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 2, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUI, .inst = 4, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_PMUD, .inst = 4, .subpr = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_UCODE, .inst = 0, .level = BDT_LVL2 }, { .type = AMD_BIOS_UCODE, .inst = 1, .level = BDT_LVL2 }, { .type = AMD_BIOS_UCODE, .inst = 2, .level = BDT_LVL2 }, { .type = AMD_BIOS_MP2_CFG, .level = BDT_LVL2 }, { .type = AMD_BIOS_PSP_SHARED_MEM, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_INVALID }, }; #define MAX_BIOS_ENTRIES 0x2f typedef struct _context { char *rom; /* target buffer, size of flash device */ uint32_t rom_size; /* size of flash device */ uint32_t address_mode; /* 0:abs address; 1:relative to flash; 2: relative to table */ uint32_t current; /* pointer within flash & proxy buffer */ uint32_t current_table; } context; #define ADDRESS_MODE_0_PHY 0 #define ADDRESS_MODE_1_REL_BIOS 1 #define ADDRESS_MODE_2_REL_TAB 2 #define ADDRESS_MODE_3_REL_SLOT 3 #define RUN_BASE(ctx) (0xFFFFFFFF - (ctx).rom_size + 1) #define RUN_OFFSET_MODE(ctx, offset, mode) \ ((mode) == ADDRESS_MODE_0_PHY ? RUN_BASE(ctx) + (offset) : \ ((mode) == ADDRESS_MODE_1_REL_BIOS ? (offset) : \ ((mode) == ADDRESS_MODE_2_REL_TAB ? (offset) - ctx.current_table : (offset)))) #define RUN_OFFSET(ctx, offset) RUN_OFFSET_MODE((ctx), (offset), (ctx).address_mode) #define RUN_TO_OFFSET(ctx, run) ((ctx).address_mode == ADDRESS_MODE_0_PHY ? \ (run) - RUN_BASE(ctx) : (run)) /* TODO: */ #define RUN_CURRENT(ctx) RUN_OFFSET((ctx), (ctx).current) /* The mode in entry can not be higher than the header's. For example, if table mode is 0, all the entry mode will be 0. */ #define RUN_CURRENT_MODE(ctx, mode) RUN_OFFSET_MODE((ctx), (ctx).current, \ (ctx).address_mode < (mode) ? (ctx).address_mode : (mode)) #define BUFF_OFFSET(ctx, offset) ((void *)((ctx).rom + (offset))) #define BUFF_CURRENT(ctx) BUFF_OFFSET((ctx), (ctx).current) #define BUFF_TO_RUN(ctx, ptr) RUN_OFFSET((ctx), ((char *)(ptr) - (ctx).rom)) #define BUFF_TO_RUN_MODE(ctx, ptr, mode) RUN_OFFSET_MODE((ctx), ((char *)(ptr) - (ctx).rom), \ (ctx).address_mode < (mode) ? (ctx).address_mode : (mode)) #define BUFF_ROOM(ctx) ((ctx).rom_size - (ctx).current) /* Only set the address mode in entry if the table is mode 2. */ #define SET_ADDR_MODE(table, mode) \ ((table)->header.additional_info_fields.address_mode == \ ADDRESS_MODE_2_REL_TAB ? (mode) : 0) #define SET_ADDR_MODE_BY_TABLE(table) \ SET_ADDR_MODE((table), (table)->header.additional_info_fields.address_mode) void assert_fw_entry(uint32_t count, uint32_t max, context *ctx) { if (count >= max) { fprintf(stderr, "Error: BIOS entries (%d) exceeds max allowed items " "(%d)\n", count, max); free(ctx->rom); exit(1); } } static void *new_psp_dir(context *ctx, int multi) { void *ptr; /* * Force both onto boundary when multi. Primary table is after * updatable table, so alignment ensures primary can stay intact * if secondary is reprogrammed. */ if (multi) ctx->current = ALIGN(ctx->current, TABLE_ERASE_ALIGNMENT); else ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); ptr = BUFF_CURRENT(*ctx); ((psp_directory_header *)ptr)->num_entries = 0; ((psp_directory_header *)ptr)->additional_info = 0; ((psp_directory_header *)ptr)->additional_info_fields.address_mode = ctx->address_mode; ctx->current += sizeof(psp_directory_header) + MAX_PSP_ENTRIES * sizeof(psp_directory_entry); return ptr; } #if PSP_COMBO static void *new_combo_dir(context *ctx) { void *ptr; ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); ptr = BUFF_CURRENT(*ctx); ctx->current += sizeof(psp_combo_header) + MAX_COMBO_ENTRIES * sizeof(psp_combo_entry); return ptr; } #endif static void fill_dir_header(void *directory, uint32_t count, uint32_t cookie, context *ctx) { psp_combo_directory *cdir = directory; psp_directory_table *dir = directory; bios_directory_table *bdir = directory; uint32_t table_size = 0; if (!count) return; if (ctx == NULL || directory == NULL) { fprintf(stderr, "Calling %s with NULL pointers\n", __func__); return; } /* The table size needs to be 0x1000 aligned. So align the end of table. */ ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); switch (cookie) { case PSP2_COOKIE: /* caller is responsible for lookup mode */ cdir->header.cookie = cookie; cdir->header.num_entries = count; cdir->header.reserved[0] = 0; cdir->header.reserved[1] = 0; /* checksum everything that comes after the Checksum field */ cdir->header.checksum = fletcher32(&cdir->header.num_entries, count * sizeof(psp_combo_entry) + sizeof(cdir->header.num_entries) + sizeof(cdir->header.lookup) + 2 * sizeof(cdir->header.reserved[0])); break; case PSP_COOKIE: case PSPL2_COOKIE: table_size = ctx->current - ctx->current_table; if ((table_size % TABLE_ALIGNMENT) != 0) { fprintf(stderr, "The PSP table size should be 4K aligned\n"); exit(1); } dir->header.cookie = cookie; dir->header.num_entries = count; dir->header.additional_info_fields.dir_size = table_size / TABLE_ALIGNMENT; dir->header.additional_info_fields.spi_block_size = 1; dir->header.additional_info_fields.base_addr = 0; /* checksum everything that comes after the Checksum field */ dir->header.checksum = fletcher32(&dir->header.num_entries, count * sizeof(psp_directory_entry) + sizeof(dir->header.num_entries) + sizeof(dir->header.additional_info)); break; case BDT1_COOKIE: case BDT2_COOKIE: table_size = ctx->current - ctx->current_table; if ((table_size % TABLE_ALIGNMENT) != 0) { fprintf(stderr, "The BIOS table size should be 4K aligned\n"); exit(1); } bdir->header.cookie = cookie; bdir->header.num_entries = count; bdir->header.additional_info_fields.dir_size = table_size / TABLE_ALIGNMENT; bdir->header.additional_info_fields.spi_block_size = 1; bdir->header.additional_info_fields.base_addr = 0; /* checksum everything that comes after the Checksum field */ bdir->header.checksum = fletcher32(&bdir->header.num_entries, count * sizeof(bios_directory_entry) + sizeof(bdir->header.num_entries) + sizeof(bdir->header.additional_info)); break; } } static ssize_t copy_blob(void *dest, const char *src_file, size_t room) { int fd; struct stat fd_stat; ssize_t bytes; fd = open(src_file, O_RDONLY); if (fd < 0) { fprintf(stderr, "Error opening file: %s: %s\n", src_file, strerror(errno)); return -1; } if (fstat(fd, &fd_stat)) { fprintf(stderr, "fstat error: %s\n", strerror(errno)); close(fd); return -2; } if ((size_t)fd_stat.st_size > room) { fprintf(stderr, "Error: %s will not fit. Exiting.\n", src_file); close(fd); return -3; } bytes = read(fd, dest, (size_t)fd_stat.st_size); close(fd); if (bytes != (ssize_t)fd_stat.st_size) { fprintf(stderr, "Error while reading %s\n", src_file); return -4; } return bytes; } enum platform { PLATFORM_UNKNOWN, PLATFORM_STONEYRIDGE, PLATFORM_RAVEN, PLATFORM_PICASSO, PLATFORM_RENOIR, PLATFORM_CEZANNE, PLATFORM_MENDOCINO, PLATFORM_LUCIENNE, }; static uint32_t get_psp_id(enum platform soc_id) { uint32_t psp_id; switch (soc_id) { case PLATFORM_RAVEN: case PLATFORM_PICASSO: psp_id = 0xBC0A0000; break; case PLATFORM_RENOIR: case PLATFORM_LUCIENNE: psp_id = 0xBC0C0000; break; case PLATFORM_CEZANNE: psp_id = 0xBC0C0140; break; case PLATFORM_MENDOCINO: psp_id = 0xBC0D0900; break; case PLATFORM_STONEYRIDGE: psp_id = 0x10220B00; break; default: psp_id = 0; break; } return psp_id; } static void integrate_firmwares(context *ctx, embedded_firmware *romsig, amd_fw_entry *fw_table) { ssize_t bytes; uint32_t i; ctx->current += sizeof(embedded_firmware); ctx->current = ALIGN(ctx->current, BLOB_ALIGNMENT); for (i = 0; fw_table[i].type != AMD_FW_INVALID; i++) { if (fw_table[i].filename != NULL) { switch (fw_table[i].type) { case AMD_FW_IMC: ctx->current = ALIGN(ctx->current, 0x10000U); romsig->imc_entry = RUN_CURRENT(*ctx); break; case AMD_FW_GEC: romsig->gec_entry = RUN_CURRENT(*ctx); break; case AMD_FW_XHCI: romsig->xhci_entry = RUN_CURRENT(*ctx); break; default: /* Error */ break; } bytes = copy_blob(BUFF_CURRENT(*ctx), fw_table[i].filename, BUFF_ROOM(*ctx)); if (bytes < 0) { free(ctx->rom); exit(1); } ctx->current = ALIGN(ctx->current + bytes, BLOB_ALIGNMENT); } } } /* For debugging */ static void dump_psp_firmwares(amd_fw_entry *fw_table) { amd_fw_entry *index; printf("PSP firmware components:"); for (index = fw_table; index->type != AMD_FW_INVALID; index++) { if (index->filename) printf(" %2x: %s\n", index->type, index->filename); } } static void dump_bdt_firmwares(amd_bios_entry *fw_table) { amd_bios_entry *index; printf("BIOS Directory Table (BDT) components:"); for (index = fw_table; index->type != AMD_BIOS_INVALID; index++) { if (index->filename) printf(" %2x: %s\n", index->type, index->filename); } } static void free_psp_firmware_filenames(amd_fw_entry *fw_table) { amd_fw_entry *index; for (index = fw_table; index->type != AMD_FW_INVALID; index++) { if (index->filename && index->type != AMD_FW_VERSTAGE_SIG && index->type != AMD_FW_PSP_VERSTAGE && index->type != AMD_FW_SPL && index->type != AMD_FW_PSP_WHITELIST) { free(index->filename); } } } static void free_bdt_firmware_filenames(amd_bios_entry *fw_table) { amd_bios_entry *index; for (index = fw_table; index->type != AMD_BIOS_INVALID; index++) { if (index->filename && index->type != AMD_BIOS_APCB && index->type != AMD_BIOS_BIN && index->type != AMD_BIOS_APCB_BK) free(index->filename); } } static void integrate_psp_ab(context *ctx, psp_directory_table *pspdir, psp_directory_table *pspdir2, amd_fw_type ab) { uint32_t count; uint32_t current_table_save; current_table_save = ctx->current_table; ctx->current_table = (char *)pspdir - ctx->rom; count = pspdir->header.num_entries; assert_fw_entry(count, MAX_PSP_ENTRIES, ctx); pspdir->entries[count].type = (uint8_t)ab; pspdir->entries[count].subprog = 0; pspdir->entries[count].rsvd = 0; pspdir->entries[count].addr = BUFF_TO_RUN_MODE(*ctx, pspdir2, ADDRESS_MODE_1_REL_BIOS); pspdir->entries[count].address_mode = SET_ADDR_MODE(pspdir, ADDRESS_MODE_1_REL_BIOS); pspdir->entries[count].size = pspdir2->header.num_entries * sizeof(psp_directory_entry) + sizeof(psp_directory_header); count++; pspdir->header.num_entries = count; ctx->current_table = current_table_save; } static void integrate_psp_firmwares(context *ctx, psp_directory_table *pspdir, psp_directory_table *pspdir2, psp_directory_table *pspdir2_b, amd_fw_entry *fw_table, uint32_t cookie, amd_cb_config *cb_config) { ssize_t bytes; unsigned int i, count; int level; uint32_t current_table_save; bool recovery_ab = cb_config->recovery_ab; /* This function can create a primary table, a secondary table, or a * flattened table which contains all applicable types. These if-else * statements infer what the caller intended. If a 2nd-level cookie * is passed, clearly a 2nd-level table is intended. However, a * 1st-level cookie may indicate level 1 or flattened. If the caller * passes a pointer to a 2nd-level table, then assume not flat. */ if (!cb_config->multi_level) level = PSP_BOTH; else if (cookie == PSPL2_COOKIE) level = PSP_LVL2; else if (pspdir2) level = PSP_LVL1; else level = PSP_BOTH; if (recovery_ab) { if (cookie == PSPL2_COOKIE) level = PSP_LVL2_AB; else if (pspdir2) level = PSP_LVL1_AB; else level = PSP_BOTH_AB; } current_table_save = ctx->current_table; ctx->current_table = (char *)pspdir - ctx->rom; ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); for (i = 0, count = 0; fw_table[i].type != AMD_FW_INVALID; i++) { if (!(fw_table[i].level & level)) continue; assert_fw_entry(count, MAX_PSP_ENTRIES, ctx); if (fw_table[i].type == AMD_TOKEN_UNLOCK) { if (!fw_table[i].other) continue; ctx->current = ALIGN(ctx->current, ERASE_ALIGNMENT); pspdir->entries[count].type = fw_table[i].type; pspdir->entries[count].size = 4096; /* TODO: doc? */ pspdir->entries[count].addr = RUN_CURRENT(*ctx); pspdir->entries[count].address_mode = SET_ADDR_MODE_BY_TABLE(pspdir); pspdir->entries[count].subprog = fw_table[i].subprog; pspdir->entries[count].rsvd = 0; ctx->current = ALIGN(ctx->current + 4096, 0x100U); count++; } else if (fw_table[i].type == AMD_PSP_FUSE_CHAIN) { pspdir->entries[count].type = fw_table[i].type; pspdir->entries[count].subprog = fw_table[i].subprog; pspdir->entries[count].rsvd = 0; pspdir->entries[count].size = 0xFFFFFFFF; pspdir->entries[count].addr = fw_table[i].other; pspdir->entries[count].address_mode = 0; count++; } else if (fw_table[i].type == AMD_FW_PSP_NVRAM) { if (fw_table[i].filename == NULL) continue; /* TODO: Add a way to reserve for NVRAM without * requiring a filename. This isn't a feature used * by coreboot systems, so priority is very low. */ ctx->current = ALIGN(ctx->current, ERASE_ALIGNMENT); bytes = copy_blob(BUFF_CURRENT(*ctx), fw_table[i].filename, BUFF_ROOM(*ctx)); if (bytes <= 0) { free(ctx->rom); exit(1); } pspdir->entries[count].type = fw_table[i].type; pspdir->entries[count].subprog = fw_table[i].subprog; pspdir->entries[count].rsvd = 0; pspdir->entries[count].size = ALIGN(bytes, ERASE_ALIGNMENT); pspdir->entries[count].addr = RUN_CURRENT_MODE(*ctx, ADDRESS_MODE_1_REL_BIOS); pspdir->entries[count].address_mode = SET_ADDR_MODE(pspdir, ADDRESS_MODE_1_REL_BIOS); ctx->current = ALIGN(ctx->current + bytes, BLOB_ERASE_ALIGNMENT); count++; } else if (fw_table[i].filename != NULL) { bytes = copy_blob(BUFF_CURRENT(*ctx), fw_table[i].filename, BUFF_ROOM(*ctx)); if (bytes < 0) { free(ctx->rom); exit(1); } pspdir->entries[count].type = fw_table[i].type; pspdir->entries[count].subprog = fw_table[i].subprog; pspdir->entries[count].rsvd = 0; pspdir->entries[count].size = (uint32_t)bytes; pspdir->entries[count].addr = RUN_CURRENT(*ctx); pspdir->entries[count].address_mode = SET_ADDR_MODE_BY_TABLE(pspdir); ctx->current = ALIGN(ctx->current + bytes, BLOB_ALIGNMENT); count++; } else { /* This APU doesn't have this firmware. */ } } if (recovery_ab && (pspdir2 != NULL)) { pspdir->header.num_entries = count; integrate_psp_ab(ctx, pspdir, pspdir2, AMD_FW_RECOVERYAB_A); if (pspdir2_b != NULL) integrate_psp_ab(ctx, pspdir, pspdir2_b, AMD_FW_RECOVERYAB_B); count = pspdir->header.num_entries; } else if (pspdir2 != NULL) { assert_fw_entry(count, MAX_PSP_ENTRIES, ctx); pspdir->entries[count].type = AMD_FW_L2_PTR; pspdir->entries[count].subprog = 0; pspdir->entries[count].rsvd = 0; pspdir->entries[count].size = sizeof(pspdir2->header) + pspdir2->header.num_entries * sizeof(psp_directory_entry); pspdir->entries[count].addr = BUFF_TO_RUN_MODE(*ctx, pspdir2, ADDRESS_MODE_1_REL_BIOS); pspdir->entries[count].address_mode = SET_ADDR_MODE(pspdir, ADDRESS_MODE_1_REL_BIOS); count++; } fill_dir_header(pspdir, count, cookie, ctx); ctx->current_table = current_table_save; } static void add_psp_firmware_entry(context *ctx, psp_directory_table *pspdir, void *table, amd_fw_type type, uint32_t size) { uint32_t count = pspdir->header.num_entries; uint32_t index; uint32_t current_table_save; current_table_save = ctx->current_table; ctx->current_table = (char *)pspdir - ctx->rom; /* If there is an entry of "type", replace it. */ for (index = 0; index < count; index++) { if (pspdir->entries[index].type == (uint8_t)type) break; } assert_fw_entry(count, MAX_PSP_ENTRIES, ctx); pspdir->entries[index].type = (uint8_t)type; pspdir->entries[index].subprog = 0; pspdir->entries[index].rsvd = 0; pspdir->entries[index].addr = BUFF_TO_RUN(*ctx, table); pspdir->entries[index].address_mode = SET_ADDR_MODE_BY_TABLE(pspdir); pspdir->entries[index].size = size; if (index == count) count++; pspdir->header.num_entries = count; pspdir->header.checksum = fletcher32(&pspdir->header.num_entries, count * sizeof(psp_directory_entry) + sizeof(pspdir->header.num_entries) + sizeof(pspdir->header.additional_info)); ctx->current_table = current_table_save; } static void *new_bios_dir(context *ctx, bool multi) { void *ptr; /* * Force both onto boundary when multi. Primary table is after * updatable table, so alignment ensures primary can stay intact * if secondary is reprogrammed. */ if (multi) ctx->current = ALIGN(ctx->current, TABLE_ERASE_ALIGNMENT); else ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); ptr = BUFF_CURRENT(*ctx); ((bios_directory_hdr *) ptr)->additional_info = 0; ((bios_directory_hdr *) ptr)->additional_info_fields.address_mode = ctx->address_mode; ctx->current_table = ctx->current; ctx->current += sizeof(bios_directory_hdr) + MAX_BIOS_ENTRIES * sizeof(bios_directory_entry); return ptr; } static int locate_bdt2_bios(bios_directory_table *level2, uint64_t *source, uint32_t *size) { uint32_t i; *source = 0; *size = 0; if (!level2) return 0; for (i = 0 ; i < level2->header.num_entries ; i++) { if (level2->entries[i].type == AMD_BIOS_BIN) { *source = level2->entries[i].source; *size = level2->entries[i].size; return 1; } } return 0; } static int have_bios_tables(amd_bios_entry *table) { int i; for (i = 0 ; table[i].type != AMD_BIOS_INVALID; i++) { if (table[i].level & BDT_LVL1 && table[i].filename) return 1; } return 0; } static int find_bios_entry(amd_bios_type type) { int i; for (i = 0; amd_bios_table[i].type != AMD_BIOS_INVALID; i++) { if (amd_bios_table[i].type == type) return i; } return -1; } static void integrate_bios_firmwares(context *ctx, bios_directory_table *biosdir, bios_directory_table *biosdir2, amd_bios_entry *fw_table, uint32_t cookie, amd_cb_config *cb_config) { ssize_t bytes; unsigned int i, count; int level; int apob_idx; uint32_t size; uint64_t source; /* This function can create a primary table, a secondary table, or a * flattened table which contains all applicable types. These if-else * statements infer what the caller intended. If a 2nd-level cookie * is passed, clearly a 2nd-level table is intended. However, a * 1st-level cookie may indicate level 1 or flattened. If the caller * passes a pointer to a 2nd-level table, then assume not flat. */ if (!cb_config->multi_level) level = BDT_BOTH; else if (cookie == BDT2_COOKIE) level = BDT_LVL2; else if (biosdir2) level = BDT_LVL1; else level = BDT_BOTH; ctx->current = ALIGN(ctx->current, TABLE_ALIGNMENT); for (i = 0, count = 0; fw_table[i].type != AMD_BIOS_INVALID; i++) { if (!(fw_table[i].level & level)) continue; if (fw_table[i].filename == NULL && ( fw_table[i].type != AMD_BIOS_APOB && fw_table[i].type != AMD_BIOS_APOB_NV && fw_table[i].type != AMD_BIOS_L2_PTR && fw_table[i].type != AMD_BIOS_BIN && fw_table[i].type != AMD_BIOS_PSP_SHARED_MEM)) continue; /* BIOS Directory items may have additional requirements */ /* Check APOB_NV requirements */ if (fw_table[i].type == AMD_BIOS_APOB_NV) { if (!fw_table[i].size && !fw_table[i].src) continue; /* APOB_NV not used */ if (fw_table[i].src && !fw_table[i].size) { fprintf(stderr, "Error: APOB NV address provided, but no size\n"); free(ctx->rom); exit(1); } /* If the APOB isn't used, APOB_NV isn't used either */ apob_idx = find_bios_entry(AMD_BIOS_APOB); if (apob_idx < 0 || !fw_table[apob_idx].dest) continue; /* APOV NV not supported */ } /* APOB_DATA needs destination */ if (fw_table[i].type == AMD_BIOS_APOB && !fw_table[i].dest) { fprintf(stderr, "Error: APOB destination not provided\n"); free(ctx->rom); exit(1); } /* BIOS binary must have destination and uncompressed size. If * no filename given, then user must provide a source address. */ if (fw_table[i].type == AMD_BIOS_BIN) { if (!fw_table[i].dest || !fw_table[i].size) { fprintf(stderr, "Error: BIOS binary destination and uncompressed size are required\n"); free(ctx->rom); exit(1); } if (!fw_table[i].filename && !fw_table[i].src) { fprintf(stderr, "Error: BIOS binary assumed outside amdfw.rom but no source address given\n"); free(ctx->rom); exit(1); } } /* PSP_SHARED_MEM needs a destination and size */ if (fw_table[i].type == AMD_BIOS_PSP_SHARED_MEM && (!fw_table[i].dest || !fw_table[i].size)) continue; assert_fw_entry(count, MAX_BIOS_ENTRIES, ctx); biosdir->entries[count].type = fw_table[i].type; biosdir->entries[count].region_type = fw_table[i].region_type; biosdir->entries[count].dest = fw_table[i].dest ? fw_table[i].dest : (uint64_t)-1; biosdir->entries[count].reset = fw_table[i].reset; biosdir->entries[count].copy = fw_table[i].copy; biosdir->entries[count].ro = fw_table[i].ro; biosdir->entries[count].compressed = fw_table[i].zlib; biosdir->entries[count].inst = fw_table[i].inst; biosdir->entries[count].subprog = fw_table[i].subpr; switch (fw_table[i].type) { case AMD_BIOS_APOB: biosdir->entries[count].size = fw_table[i].size; biosdir->entries[count].source = fw_table[i].src; biosdir->entries[count].address_mode = SET_ADDR_MODE_BY_TABLE(biosdir); break; case AMD_BIOS_APOB_NV: if (fw_table[i].src) { /* If source is given, use that and its size */ biosdir->entries[count].source = fw_table[i].src; biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].size = fw_table[i].size; } else { /* Else reserve size bytes within amdfw.rom */ ctx->current = ALIGN(ctx->current, ERASE_ALIGNMENT); biosdir->entries[count].source = RUN_CURRENT(*ctx); biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].size = ALIGN( fw_table[i].size, ERASE_ALIGNMENT); memset(BUFF_CURRENT(*ctx), 0xff, biosdir->entries[count].size); ctx->current = ctx->current + biosdir->entries[count].size; } break; case AMD_BIOS_BIN: /* Don't make a 2nd copy, point to the same one */ if (level == BDT_LVL1 && locate_bdt2_bios(biosdir2, &source, &size)) { biosdir->entries[count].source = source; biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].size = size; break; } /* level 2, or level 1 and no copy found in level 2 */ biosdir->entries[count].source = fw_table[i].src; biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].dest = fw_table[i].dest; biosdir->entries[count].size = fw_table[i].size; if (!fw_table[i].filename) break; bytes = copy_blob(BUFF_CURRENT(*ctx), fw_table[i].filename, BUFF_ROOM(*ctx)); if (bytes <= 0) { free(ctx->rom); exit(1); } biosdir->entries[count].source = RUN_CURRENT_MODE(*ctx, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); ctx->current = ALIGN(ctx->current + bytes, 0x100U); break; case AMD_BIOS_PSP_SHARED_MEM: biosdir->entries[count].dest = fw_table[i].dest; biosdir->entries[count].size = fw_table[i].size; break; default: /* everything else is copied from input */ if (fw_table[i].type == AMD_BIOS_APCB || fw_table[i].type == AMD_BIOS_APCB_BK) ctx->current = ALIGN( ctx->current, ERASE_ALIGNMENT); bytes = copy_blob(BUFF_CURRENT(*ctx), fw_table[i].filename, BUFF_ROOM(*ctx)); if (bytes <= 0) { free(ctx->rom); exit(1); } biosdir->entries[count].size = (uint32_t)bytes; biosdir->entries[count].source = RUN_CURRENT(*ctx); biosdir->entries[count].address_mode = SET_ADDR_MODE_BY_TABLE(biosdir); ctx->current = ALIGN(ctx->current + bytes, 0x100U); break; } count++; } if (biosdir2) { assert_fw_entry(count, MAX_BIOS_ENTRIES, ctx); biosdir->entries[count].type = AMD_BIOS_L2_PTR; biosdir->entries[count].region_type = 0; biosdir->entries[count].size = + MAX_BIOS_ENTRIES * sizeof(bios_directory_entry); biosdir->entries[count].source = BUFF_TO_RUN(*ctx, biosdir2); biosdir->entries[count].address_mode = SET_ADDR_MODE(biosdir, ADDRESS_MODE_1_REL_BIOS); biosdir->entries[count].subprog = 0; biosdir->entries[count].inst = 0; biosdir->entries[count].copy = 0; biosdir->entries[count].compressed = 0; biosdir->entries[count].dest = -1; biosdir->entries[count].reset = 0; biosdir->entries[count].ro = 0; count++; } fill_dir_header(biosdir, count, cookie, ctx); } enum { AMDFW_OPT_CONFIG = 'c', AMDFW_OPT_DEBUG = 'd', AMDFW_OPT_HELP = 'h', AMDFW_OPT_LIST_DEPEND = 'l', AMDFW_OPT_XHCI = 128, AMDFW_OPT_IMC, AMDFW_OPT_GEC, AMDFW_OPT_COMBO, AMDFW_OPT_RECOVERY_AB, AMDFW_OPT_MULTILEVEL, AMDFW_OPT_NVRAM, AMDFW_OPT_FUSE, AMDFW_OPT_UNLOCK, AMDFW_OPT_WHITELIST, AMDFW_OPT_USE_PSPSECUREOS, AMDFW_OPT_LOAD_MP2FW, AMDFW_OPT_LOAD_S0I3, AMDFW_OPT_SPL_TABLE, AMDFW_OPT_VERSTAGE, AMDFW_OPT_VERSTAGE_SIG, AMDFW_OPT_INSTANCE, AMDFW_OPT_APCB, AMDFW_OPT_APOBBASE, AMDFW_OPT_BIOSBIN, AMDFW_OPT_BIOSBIN_SOURCE, AMDFW_OPT_BIOSBIN_DEST, AMDFW_OPT_BIOS_UNCOMP_SIZE, AMDFW_OPT_UCODE, AMDFW_OPT_APOB_NVBASE, AMDFW_OPT_APOB_NVSIZE, AMDFW_OPT_OUTPUT, AMDFW_OPT_FLASHSIZE, AMDFW_OPT_LOCATION, AMDFW_OPT_ANYWHERE, AMDFW_OPT_SHAREDMEM, AMDFW_OPT_SHAREDMEM_SIZE, AMDFW_OPT_SOC_NAME, /* begin after ASCII characters */ LONGOPT_SPI_READ_MODE = 256, LONGOPT_SPI_SPEED = 257, LONGOPT_SPI_MICRON_FLAG = 258, }; static char const optstring[] = {AMDFW_OPT_CONFIG, ':', AMDFW_OPT_DEBUG, AMDFW_OPT_HELP, AMDFW_OPT_LIST_DEPEND }; static struct option long_options[] = { {"xhci", required_argument, 0, AMDFW_OPT_XHCI }, {"imc", required_argument, 0, AMDFW_OPT_IMC }, {"gec", required_argument, 0, AMDFW_OPT_GEC }, /* PSP Directory Table items */ {"combo-capable", no_argument, 0, AMDFW_OPT_COMBO }, {"recovery-ab", no_argument, 0, AMDFW_OPT_RECOVERY_AB }, {"multilevel", no_argument, 0, AMDFW_OPT_MULTILEVEL }, {"nvram", required_argument, 0, AMDFW_OPT_NVRAM }, {"soft-fuse", required_argument, 0, AMDFW_OPT_FUSE }, {"token-unlock", no_argument, 0, AMDFW_OPT_UNLOCK }, {"whitelist", required_argument, 0, AMDFW_OPT_WHITELIST }, {"use-pspsecureos", no_argument, 0, AMDFW_OPT_USE_PSPSECUREOS }, {"load-mp2-fw", no_argument, 0, AMDFW_OPT_LOAD_MP2FW }, {"load-s0i3", no_argument, 0, AMDFW_OPT_LOAD_S0I3 }, {"spl-table", required_argument, 0, AMDFW_OPT_SPL_TABLE }, {"verstage", required_argument, 0, AMDFW_OPT_VERSTAGE }, {"verstage_sig", required_argument, 0, AMDFW_OPT_VERSTAGE_SIG }, /* BIOS Directory Table items */ {"instance", required_argument, 0, AMDFW_OPT_INSTANCE }, {"apcb", required_argument, 0, AMDFW_OPT_APCB }, {"apob-base", required_argument, 0, AMDFW_OPT_APOBBASE }, {"bios-bin", required_argument, 0, AMDFW_OPT_BIOSBIN }, {"bios-bin-src", required_argument, 0, AMDFW_OPT_BIOSBIN_SOURCE }, {"bios-bin-dest", required_argument, 0, AMDFW_OPT_BIOSBIN_DEST }, {"bios-uncomp-size", required_argument, 0, AMDFW_OPT_BIOS_UNCOMP_SIZE }, {"ucode", required_argument, 0, AMDFW_OPT_UCODE }, {"apob-nv-base", required_argument, 0, AMDFW_OPT_APOB_NVBASE }, {"apob-nv-size", required_argument, 0, AMDFW_OPT_APOB_NVSIZE }, /* Embedded Firmware Structure items*/ {"spi-read-mode", required_argument, 0, LONGOPT_SPI_READ_MODE }, {"spi-speed", required_argument, 0, LONGOPT_SPI_SPEED }, {"spi-micron-flag", required_argument, 0, LONGOPT_SPI_MICRON_FLAG }, /* other */ {"output", required_argument, 0, AMDFW_OPT_OUTPUT }, {"flashsize", required_argument, 0, AMDFW_OPT_FLASHSIZE }, {"location", required_argument, 0, AMDFW_OPT_LOCATION }, {"anywhere", no_argument, 0, AMDFW_OPT_ANYWHERE }, {"sharedmem", required_argument, 0, AMDFW_OPT_SHAREDMEM }, {"sharedmem-size", required_argument, 0, AMDFW_OPT_SHAREDMEM_SIZE }, {"soc-name", required_argument, 0, AMDFW_OPT_SOC_NAME }, {"config", required_argument, 0, AMDFW_OPT_CONFIG }, {"debug", no_argument, 0, AMDFW_OPT_DEBUG }, {"help", no_argument, 0, AMDFW_OPT_HELP }, {"list", no_argument, 0, AMDFW_OPT_LIST_DEPEND }, {NULL, 0, 0, 0 } }; void register_fw_fuse(char *str) { uint32_t i; for (i = 0; i < sizeof(amd_psp_fw_table) / sizeof(amd_fw_entry); i++) { if (amd_psp_fw_table[i].type != AMD_PSP_FUSE_CHAIN) continue; amd_psp_fw_table[i].other = strtoull(str, NULL, 16); return; } } static void register_fw_token_unlock(void) { uint32_t i; for (i = 0; i < sizeof(amd_psp_fw_table) / sizeof(amd_fw_entry); i++) { if (amd_psp_fw_table[i].type != AMD_TOKEN_UNLOCK) continue; amd_psp_fw_table[i].other = 1; return; } } static void register_fw_filename(amd_fw_type type, uint8_t sub, char filename[]) { unsigned int i; for (i = 0; i < sizeof(amd_fw_table) / sizeof(amd_fw_entry); i++) { if (amd_fw_table[i].type == type) { amd_fw_table[i].filename = filename; return; } } for (i = 0; i < sizeof(amd_psp_fw_table) / sizeof(amd_fw_entry); i++) { if (amd_psp_fw_table[i].type != type) continue; if (amd_psp_fw_table[i].subprog == sub) { amd_psp_fw_table[i].filename = filename; return; } } } static void register_bdt_data(amd_bios_type type, int sub, int ins, char name[]) { uint32_t i; for (i = 0; i < sizeof(amd_bios_table) / sizeof(amd_bios_entry); i++) { if (amd_bios_table[i].type == type && amd_bios_table[i].inst == ins && amd_bios_table[i].subpr == sub) { amd_bios_table[i].filename = name; return; } } } static void register_fw_addr(amd_bios_type type, char *src_str, char *dst_str, char *size_str) { uint32_t i; for (i = 0; i < sizeof(amd_bios_table) / sizeof(amd_bios_entry); i++) { if (amd_bios_table[i].type != type) continue; if (src_str) amd_bios_table[i].src = strtoull(src_str, NULL, 16); if (dst_str) amd_bios_table[i].dest = strtoull(dst_str, NULL, 16); if (size_str) amd_bios_table[i].size = strtoul(size_str, NULL, 16); return; } } static int set_efs_table(uint8_t soc_id, embedded_firmware *amd_romsig, uint8_t efs_spi_readmode, uint8_t efs_spi_speed, uint8_t efs_spi_micron_flag) { if ((efs_spi_readmode == 0xFF) || (efs_spi_speed == 0xFF)) { fprintf(stderr, "Error: EFS read mode and SPI speed must be set\n"); return 1; } switch (soc_id) { case PLATFORM_STONEYRIDGE: amd_romsig->spi_readmode_f15_mod_60_6f = efs_spi_readmode; amd_romsig->fast_speed_new_f15_mod_60_6f = efs_spi_speed; break; case PLATFORM_RAVEN: case PLATFORM_PICASSO: /* amd_romsig->efs_gen introduced after RAVEN/PICASSO. * Leave as 0xffffffff for first gen */ amd_romsig->spi_readmode_f17_mod_00_2f = efs_spi_readmode; amd_romsig->spi_fastspeed_f17_mod_00_2f = efs_spi_speed; switch (efs_spi_micron_flag) { case 0: amd_romsig->qpr_dummy_cycle_f17_mod_00_2f = 0xff; break; case 1: amd_romsig->qpr_dummy_cycle_f17_mod_00_2f = 0xa; break; default: fprintf(stderr, "Error: EFS Micron flag must be correctly set.\n\n"); return 1; } break; case PLATFORM_RENOIR: case PLATFORM_LUCIENNE: case PLATFORM_CEZANNE: case PLATFORM_MENDOCINO: amd_romsig->efs_gen.gen = EFS_SECOND_GEN; amd_romsig->spi_readmode_f17_mod_30_3f = efs_spi_readmode; amd_romsig->spi_fastspeed_f17_mod_30_3f = efs_spi_speed; switch (efs_spi_micron_flag) { case 0: amd_romsig->micron_detect_f17_mod_30_3f = 0xff; break; case 1: amd_romsig->micron_detect_f17_mod_30_3f = 0xaa; break; case 2: amd_romsig->micron_detect_f17_mod_30_3f = 0x55; break; default: fprintf(stderr, "Error: EFS Micron flag must be correctly set.\n\n"); return 1; } break; case PLATFORM_UNKNOWN: default: fprintf(stderr, "Error: Invalid SOC name.\n\n"); return 1; } return 0; } static int identify_platform(char *soc_name) { if (!strcasecmp(soc_name, "Stoneyridge")) return PLATFORM_STONEYRIDGE; else if (!strcasecmp(soc_name, "Raven")) return PLATFORM_RAVEN; else if (!strcasecmp(soc_name, "Picasso")) return PLATFORM_PICASSO; else if (!strcasecmp(soc_name, "Cezanne")) return PLATFORM_CEZANNE; else if (!strcasecmp(soc_name, "Mendocino")) return PLATFORM_MENDOCINO; else if (!strcasecmp(soc_name, "Renoir")) return PLATFORM_RENOIR; else if (!strcasecmp(soc_name, "Lucienne")) return PLATFORM_LUCIENNE; else return PLATFORM_UNKNOWN; } int main(int argc, char **argv) { int c; int retval = 0; char *tmp; char *rom = NULL; embedded_firmware *amd_romsig; psp_directory_table *pspdir = NULL; psp_directory_table *pspdir2 = NULL; psp_directory_table *pspdir2_b = NULL; bool comboable = false; int fuse_defined = 0; int targetfd; char *output = NULL, *config = NULL; FILE *config_handle; context ctx = { 0 }; /* Values cleared after each firmware or parameter, regardless if N/A */ uint8_t sub = 0, instance = 0; uint32_t dir_location = 0; bool any_location = 0; uint32_t romsig_offset; uint32_t rom_base_address; uint8_t soc_id = PLATFORM_UNKNOWN; uint8_t efs_spi_readmode = 0xff; uint8_t efs_spi_speed = 0xff; uint8_t efs_spi_micron_flag = 0xff; amd_cb_config cb_config; int debug = 0; int list_deps = 0; cb_config.have_whitelist = false; cb_config.unlock_secure = false; cb_config.use_secureos = false; cb_config.load_mp2_fw = false; cb_config.s0i3 = false; cb_config.multi_level = false; cb_config.recovery_ab = false; while (1) { int optindex = 0; c = getopt_long(argc, argv, optstring, long_options, &optindex); if (c == -1) break; switch (c) { case AMDFW_OPT_XHCI: register_fw_filename(AMD_FW_XHCI, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_IMC: register_fw_filename(AMD_FW_IMC, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_GEC: register_fw_filename(AMD_FW_GEC, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_COMBO: comboable = true; break; case AMDFW_OPT_RECOVERY_AB: cb_config.recovery_ab = true; break; case AMDFW_OPT_MULTILEVEL: cb_config.multi_level = true; break; case AMDFW_OPT_UNLOCK: register_fw_token_unlock(); cb_config.unlock_secure = true; sub = instance = 0; break; case AMDFW_OPT_USE_PSPSECUREOS: cb_config.use_secureos = true; break; case AMDFW_OPT_INSTANCE: instance = strtoul(optarg, &tmp, 16); break; case AMDFW_OPT_LOAD_MP2FW: cb_config.load_mp2_fw = true; break; case AMDFW_OPT_NVRAM: register_fw_filename(AMD_FW_PSP_NVRAM, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_FUSE: register_fw_fuse(optarg); fuse_defined = 1; sub = 0; break; case AMDFW_OPT_APCB: if ((instance & 0xF0) == 0) register_bdt_data(AMD_BIOS_APCB, sub, instance & 0xF, optarg); else register_bdt_data(AMD_BIOS_APCB_BK, sub, instance & 0xF, optarg); sub = instance = 0; break; case AMDFW_OPT_APOBBASE: /* APOB destination */ register_fw_addr(AMD_BIOS_APOB, 0, optarg, 0); sub = instance = 0; break; case AMDFW_OPT_APOB_NVBASE: /* APOB NV source */ register_fw_addr(AMD_BIOS_APOB_NV, optarg, 0, 0); sub = instance = 0; break; case AMDFW_OPT_APOB_NVSIZE: /* APOB NV size */ register_fw_addr(AMD_BIOS_APOB_NV, 0, 0, optarg); sub = instance = 0; break; case AMDFW_OPT_BIOSBIN: register_bdt_data(AMD_BIOS_BIN, sub, instance, optarg); sub = instance = 0; break; case AMDFW_OPT_BIOSBIN_SOURCE: /* BIOS source */ register_fw_addr(AMD_BIOS_BIN, optarg, 0, 0); sub = instance = 0; break; case AMDFW_OPT_BIOSBIN_DEST: /* BIOS destination */ register_fw_addr(AMD_BIOS_BIN, 0, optarg, 0); sub = instance = 0; break; case AMDFW_OPT_BIOS_UNCOMP_SIZE: /* BIOS destination size */ register_fw_addr(AMD_BIOS_BIN, 0, 0, optarg); sub = instance = 0; break; case AMDFW_OPT_UCODE: register_bdt_data(AMD_BIOS_UCODE, sub, instance, optarg); sub = instance = 0; break; case AMDFW_OPT_LOAD_S0I3: cb_config.s0i3 = true; break; case AMDFW_OPT_SPL_TABLE: register_fw_filename(AMD_FW_SPL, sub, optarg); sub = instance = 0; cb_config.have_mb_spl = true; break; case AMDFW_OPT_WHITELIST: register_fw_filename(AMD_FW_PSP_WHITELIST, sub, optarg); sub = instance = 0; cb_config.have_whitelist = true; break; case AMDFW_OPT_VERSTAGE: register_fw_filename(AMD_FW_PSP_VERSTAGE, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_VERSTAGE_SIG: register_fw_filename(AMD_FW_VERSTAGE_SIG, sub, optarg); sub = instance = 0; break; case AMDFW_OPT_SOC_NAME: soc_id = identify_platform(optarg); if (soc_id == PLATFORM_UNKNOWN) { fprintf(stderr, "Error: Invalid SOC name specified\n\n"); retval = 1; } sub = instance = 0; break; case LONGOPT_SPI_READ_MODE: efs_spi_readmode = strtoull(optarg, NULL, 16); sub = instance = 0; break; case LONGOPT_SPI_SPEED: efs_spi_speed = strtoull(optarg, NULL, 16); sub = instance = 0; break; case LONGOPT_SPI_MICRON_FLAG: efs_spi_micron_flag = strtoull(optarg, NULL, 16); sub = instance = 0; break; case AMDFW_OPT_OUTPUT: output = optarg; break; case AMDFW_OPT_FLASHSIZE: ctx.rom_size = (uint32_t)strtoul(optarg, &tmp, 16); if (*tmp != '\0') { fprintf(stderr, "Error: ROM size specified" " incorrectly (%s)\n\n", optarg); retval = 1; } break; case AMDFW_OPT_LOCATION: dir_location = (uint32_t)strtoul(optarg, &tmp, 16); if (*tmp != '\0') { fprintf(stderr, "Error: Directory Location specified" " incorrectly (%s)\n\n", optarg); retval = 1; } break; case AMDFW_OPT_ANYWHERE: any_location = 1; break; case AMDFW_OPT_SHAREDMEM: /* shared memory destination */ register_fw_addr(AMD_BIOS_PSP_SHARED_MEM, 0, optarg, 0); sub = instance = 0; break; case AMDFW_OPT_SHAREDMEM_SIZE: /* shared memory size */ register_fw_addr(AMD_BIOS_PSP_SHARED_MEM, NULL, NULL, optarg); sub = instance = 0; break; case AMDFW_OPT_CONFIG: config = optarg; break; case AMDFW_OPT_DEBUG: debug = 1; break; case AMDFW_OPT_HELP: usage(); return 0; case AMDFW_OPT_LIST_DEPEND: list_deps = 1; break; default: break; } } if (config) { config_handle = fopen(config, "r"); if (config_handle == NULL) { fprintf(stderr, "Can not open file %s for reading: %s\n", config, strerror(errno)); exit(1); } if (process_config(config_handle, &cb_config, list_deps) == 0) { fprintf(stderr, "Configuration file %s parsing error\n", config); fclose(config_handle); exit(1); } fclose(config_handle); } /* For debug. */ if (debug) { dump_psp_firmwares(amd_psp_fw_table); dump_bdt_firmwares(amd_bios_table); } if (!fuse_defined) register_fw_fuse(DEFAULT_SOFT_FUSE_CHAIN); if (!output && !list_deps) { fprintf(stderr, "Error: Output value is not specified.\n\n"); retval = 1; } if ((ctx.rom_size % 1024 != 0) && !list_deps) { fprintf(stderr, "Error: ROM Size (%d bytes) should be a multiple of" " 1024 bytes.\n\n", ctx.rom_size); retval = 1; } if ((ctx.rom_size < MIN_ROM_KB * 1024) && !list_deps) { fprintf(stderr, "Error: ROM Size (%dKB) must be at least %dKB.\n\n", ctx.rom_size / 1024, MIN_ROM_KB); retval = 1; } if (cb_config.recovery_ab) { cb_config.multi_level = true; } if (retval) { usage(); return retval; } if (list_deps) { return retval; } printf(" AMDFWTOOL Using ROM size of %dKB\n", ctx.rom_size / 1024); rom_base_address = 0xFFFFFFFF - ctx.rom_size + 1; if (dir_location && (dir_location < rom_base_address)) { fprintf(stderr, "Error: Directory location outside of ROM.\n\n"); return 1; } if (any_location) { if (dir_location & 0x3f) { fprintf(stderr, "Error: Invalid Directory location.\n"); fprintf(stderr, " Valid locations are 64-byte aligned\n"); return 1; } } else { switch (dir_location) { case 0: /* Fall through */ case 0xFFFA0000: /* Fall through */ case 0xFFF20000: /* Fall through */ case 0xFFE20000: /* Fall through */ case 0xFFC20000: /* Fall through */ case 0xFF820000: /* Fall through */ case 0xFF020000: /* Fall through */ break; default: fprintf(stderr, "Error: Invalid Directory location.\n"); fprintf(stderr, " Valid locations are 0xFFFA0000, 0xFFF20000,\n"); fprintf(stderr, " 0xFFE20000, 0xFFC20000, 0xFF820000, 0xFF020000\n"); return 1; } } ctx.rom = malloc(ctx.rom_size); if (!ctx.rom) { fprintf(stderr, "Error: Failed to allocate memory\n"); return 1; } memset(ctx.rom, 0xFF, ctx.rom_size); if (dir_location) romsig_offset = ctx.current = dir_location - rom_base_address; else romsig_offset = ctx.current = AMD_ROMSIG_OFFSET; amd_romsig = BUFF_OFFSET(ctx, romsig_offset); amd_romsig->signature = EMBEDDED_FW_SIGNATURE; amd_romsig->imc_entry = 0; amd_romsig->gec_entry = 0; amd_romsig->xhci_entry = 0; if (soc_id != PLATFORM_UNKNOWN) { retval = set_efs_table(soc_id, amd_romsig, efs_spi_readmode, efs_spi_speed, efs_spi_micron_flag); if (retval) { fprintf(stderr, "ERROR: Failed to initialize EFS table!\n"); return retval; } } else { fprintf(stderr, "WARNING: No SOC name specified.\n"); } if (amd_romsig->efs_gen.gen == EFS_SECOND_GEN) ctx.address_mode = ADDRESS_MODE_1_REL_BIOS; else ctx.address_mode = ADDRESS_MODE_0_PHY; printf(" AMDFWTOOL Using firmware directory location of %s address: 0x%08x\n", ctx.address_mode == ADDRESS_MODE_0_PHY ? "absolute" : "relative", RUN_CURRENT(ctx)); integrate_firmwares(&ctx, amd_romsig, amd_fw_table); ctx.current = ALIGN(ctx.current, 0x10000U); /* TODO: is it necessary? */ ctx.current_table = 0; if (cb_config.multi_level) { /* Do 2nd PSP directory followed by 1st */ pspdir2 = new_psp_dir(&ctx, cb_config.multi_level); integrate_psp_firmwares(&ctx, pspdir2, NULL, NULL, amd_psp_fw_table, PSPL2_COOKIE, &cb_config); if (cb_config.recovery_ab) { /* B is same as above directories for A */ /* Skip creating pspdir2_b here to save flash space. Related * biosdir2_b will be skipped automatically. */ pspdir2_b = new_psp_dir(&ctx, cb_config.multi_level); integrate_psp_firmwares(&ctx, pspdir2_b, NULL, NULL, amd_psp_fw_table, PSPL2_COOKIE, &cb_config); } else { pspdir2_b = NULL; /* More explicitly */ } pspdir = new_psp_dir(&ctx, cb_config.multi_level); integrate_psp_firmwares(&ctx, pspdir, pspdir2, pspdir2_b, amd_psp_fw_table, PSP_COOKIE, &cb_config); } else { /* flat: PSP 1 cookie and no pointer to 2nd table */ pspdir = new_psp_dir(&ctx, cb_config.multi_level); integrate_psp_firmwares(&ctx, pspdir, NULL, NULL, amd_psp_fw_table, PSP_COOKIE, &cb_config); } if (comboable) amd_romsig->new_psp_directory = BUFF_TO_RUN(ctx, pspdir); else amd_romsig->psp_directory = BUFF_TO_RUN(ctx, pspdir); #if PSP_COMBO psp_combo_directory *combo_dir = new_combo_dir(&ctx); amd_romsig->combo_psp_directory = BUFF_TO_RUN(ctx, combo_dir); /* 0 -Compare PSP ID, 1 -Compare chip family ID */ combo_dir->entries[0].id_sel = 0; combo_dir->entries[0].id = get_psp_id(soc_id); combo_dir->entries[0].lvl2_addr = BUFF_TO_RUN(ctx, pspdir); combo_dir->header.lookup = 1; fill_dir_header(combo_dir, 1, PSP2_COOKIE, &ctx); #endif if (have_bios_tables(amd_bios_table)) { bios_directory_table *biosdir = NULL; if (cb_config.multi_level) { /* Do 2nd level BIOS directory followed by 1st */ bios_directory_table *biosdir2 = NULL; bios_directory_table *biosdir2_b = NULL; biosdir2 = new_bios_dir(&ctx, cb_config.multi_level); integrate_bios_firmwares(&ctx, biosdir2, NULL, amd_bios_table, BDT2_COOKIE, &cb_config); if (cb_config.recovery_ab) { if (pspdir2_b != NULL) { biosdir2_b = new_bios_dir(&ctx, cb_config.multi_level); integrate_bios_firmwares(&ctx, biosdir2_b, NULL, amd_bios_table, BDT2_COOKIE, &cb_config); } add_psp_firmware_entry(&ctx, pspdir2, biosdir2, AMD_FW_BIOS_TABLE, TABLE_ALIGNMENT); if (pspdir2_b != NULL) add_psp_firmware_entry(&ctx, pspdir2_b, biosdir2_b, AMD_FW_BIOS_TABLE, TABLE_ALIGNMENT); } else { biosdir = new_bios_dir(&ctx, cb_config.multi_level); integrate_bios_firmwares(&ctx, biosdir, biosdir2, amd_bios_table, BDT1_COOKIE, &cb_config); } } else { /* flat: BDT1 cookie and no pointer to 2nd table */ biosdir = new_bios_dir(&ctx, cb_config.multi_level); integrate_bios_firmwares(&ctx, biosdir, NULL, amd_bios_table, BDT1_COOKIE, &cb_config); } switch (soc_id) { case PLATFORM_RENOIR: case PLATFORM_LUCIENNE: case PLATFORM_CEZANNE: if (!cb_config.recovery_ab) amd_romsig->bios3_entry = BUFF_TO_RUN(ctx, biosdir); break; case PLATFORM_MENDOCINO: break; case PLATFORM_STONEYRIDGE: case PLATFORM_RAVEN: case PLATFORM_PICASSO: default: amd_romsig->bios1_entry = BUFF_TO_RUN(ctx, biosdir); break; } } /* Free the filename. */ free_psp_firmware_filenames(amd_psp_fw_table); free_bdt_firmware_filenames(amd_bios_table); targetfd = open(output, O_RDWR | O_CREAT | O_TRUNC, 0666); if (targetfd >= 0) { ssize_t bytes; bytes = write(targetfd, amd_romsig, ctx.current - romsig_offset); if (bytes != ctx.current - romsig_offset) { fprintf(stderr, "Error: Writing to file %s failed\n", output); retval = 1; } close(targetfd); } else { fprintf(stderr, "Error: could not open file: %s\n", output); retval = 1; } free(rom); return retval; }