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- /*
- * Copyright (C) 2018 Alexander Graf <agraf@suse.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include "imagetool.h"
- #include "mkimage.h"
- #include "zynqmpimage.h"
- #include <elf.h>
- #include <image.h>
- struct bif_entry {
- const char *filename;
- uint64_t flags;
- uint64_t dest_cpu;
- uint64_t exp_lvl;
- uint64_t dest_dev;
- uint64_t load;
- uint64_t entry;
- size_t offset;
- };
- enum bif_flag {
- BIF_FLAG_AESKEYFILE,
- BIF_FLAG_INIT,
- BIF_FLAG_UDF_BH,
- BIF_FLAG_HEADERSIGNATURE,
- BIF_FLAG_PPKFILE,
- BIF_FLAG_PSKFILE,
- BIF_FLAG_SPKFILE,
- BIF_FLAG_SSKFILE,
- BIF_FLAG_SPKSIGNATURE,
- BIF_FLAG_FSBL_CONFIG,
- BIF_FLAG_AUTH_PARAMS,
- BIF_FLAG_KEYSRC_ENCRYPTION,
- BIF_FLAG_PMUFW_IMAGE,
- BIF_FLAG_BOOTLOADER,
- BIF_FLAG_TZ,
- BIF_FLAG_BH_KEY_IV,
- BIF_FLAG_BH_KEYFILE,
- BIF_FLAG_PUF_FILE,
- BIF_FLAG_AARCH32,
- BIF_FLAG_PART_OWNER_UBOOT,
- /* Internal flags */
- BIF_FLAG_BIT_FILE,
- BIF_FLAG_ELF_FILE,
- BIF_FLAG_BIN_FILE,
- };
- struct bif_flags {
- const char name[32];
- uint64_t flag;
- char *(*parse)(char *line, struct bif_entry *bf);
- };
- struct bif_file_type {
- const char name[32];
- uint32_t header;
- int (*add)(struct bif_entry *bf);
- };
- struct bif_output {
- size_t data_len;
- char *data;
- struct image_header_table *imgheader;
- struct zynqmp_header *header;
- struct partition_header *last_part;
- };
- struct bif_output bif_output;
- static uint32_t zynqmp_csum(void *start, void *end)
- {
- uint32_t checksum = 0;
- uint32_t *ptr32 = start;
- while (ptr32 != end) {
- checksum += le32_to_cpu(*ptr32);
- ptr32++;
- }
- return ~checksum;
- }
- static int zynqmpbif_check_params(struct image_tool_params *params)
- {
- if (!params)
- return 0;
- if (params->addr != 0x0) {
- fprintf(stderr, "Error: Load Address can not be specified.\n");
- return -1;
- }
- if (params->eflag) {
- fprintf(stderr, "Error: Entry Point can not be specified.\n");
- return -1;
- }
- return !(params->lflag || params->dflag);
- }
- static int zynqmpbif_check_image_types(uint8_t type)
- {
- return (type == IH_TYPE_ZYNQMPBIF) ? EXIT_SUCCESS : EXIT_FAILURE;
- }
- static char *parse_dest_cpu(char *line, struct bif_entry *bf)
- {
- uint64_t i;
- for (i = 0; i < ARRAY_SIZE(dest_cpus); i++) {
- if (!strncmp(line, dest_cpus[i], strlen(dest_cpus[i]))) {
- bf->dest_cpu = i << PART_ATTR_DEST_CPU_SHIFT;
- return line + strlen(dest_cpus[i]);
- }
- /* a5x can also be written as a53 */
- if (!strncmp(dest_cpus[i], "a5x", 3)) {
- char a53[] = "a53-X";
- a53[4] = dest_cpus[i][4];
- if (!strncmp(line, a53, strlen(a53))) {
- bf->dest_cpu = i << PART_ATTR_DEST_CPU_SHIFT;
- return line + strlen(a53);
- }
- }
- }
- return line;
- }
- static char *parse_el(char *line, struct bif_entry *bf)
- {
- const char *dest_els[] = { "none", "el-0", "el-1", "el-2", "el-3" };
- int i;
- for (i = 0; i < ARRAY_SIZE(dest_els); i++) {
- if (!strncmp(line, dest_els[i], strlen(dest_els[i]))) {
- bf->exp_lvl = i;
- return line + strlen(dest_els[i]);
- }
- }
- return line;
- }
- static char *parse_load(char *line, struct bif_entry *bf)
- {
- char *endptr;
- bf->load = strtoll(line, &endptr, 0);
- return endptr;
- }
- static char *parse_entry(char *line, struct bif_entry *bf)
- {
- char *endptr;
- bf->entry = strtoll(line, &endptr, 0);
- return endptr;
- }
- static char *parse_offset(char *line, struct bif_entry *bf)
- {
- char *endptr;
- bf->offset = strtoll(line, &endptr, 0);
- return endptr;
- }
- static char *parse_partition_owner(char *line, struct bif_entry *bf)
- {
- char *endptr = NULL;
- if (!strncmp(line, "fsbl", 4)) {
- endptr = line + 4;
- } else if (!strncmp(line, "uboot", 5)) {
- bf->flags |= 1ULL << BIF_FLAG_PART_OWNER_UBOOT;
- endptr = line + 5;
- } else {
- printf("ERROR: Unknown partition type '%s'\n", line);
- }
- return endptr;
- }
- static const struct bif_flags bif_flags[] = {
- { "fsbl_config", BIF_FLAG_FSBL_CONFIG },
- { "trustzone", BIF_FLAG_TZ },
- { "pmufw_image", BIF_FLAG_PMUFW_IMAGE },
- { "bootloader", BIF_FLAG_BOOTLOADER },
- { "destination_cpu=", 0, parse_dest_cpu },
- { "exception_level=", 0, parse_el },
- { "load=", 0, parse_load },
- { "startup=", 0, parse_entry },
- { "offset=", 0, parse_offset },
- { "partition_owner=", 0, parse_partition_owner },
- };
- static char *read_full_file(const char *filename, size_t *size)
- {
- char *buf, *bufp;
- struct stat sbuf;
- int len = 0, r, fd;
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- return NULL;
- if (fstat(fd, &sbuf) < 0)
- return NULL;
- if (size)
- *size = sbuf.st_size;
- buf = malloc(sbuf.st_size);
- if (!buf)
- return NULL;
- bufp = buf;
- while (len < sbuf.st_size) {
- r = read(fd, bufp, sbuf.st_size - len);
- if (r < 0)
- return NULL;
- len += r;
- bufp += r;
- }
- close(fd);
- return buf;
- }
- static int bif_add_blob(const void *data, size_t len, size_t *offset)
- {
- size_t new_size;
- uintptr_t header_off;
- uintptr_t last_part_off;
- uintptr_t imgheader_off;
- uintptr_t old_data = (uintptr_t)bif_output.data;
- void *new_data;
- header_off = (uintptr_t)bif_output.header - old_data;
- last_part_off = (uintptr_t)bif_output.last_part - old_data;
- imgheader_off = (uintptr_t)bif_output.imgheader - old_data;
- if (offset && *offset) {
- /* Pad to a given offset */
- if (bif_output.data_len > *offset) {
- printf("Can not pad to offset %zx\n", *offset);
- return -1;
- }
- bif_output.data_len = *offset;
- }
- new_size = ROUND(bif_output.data_len + len, 64);
- new_data = realloc(bif_output.data, new_size);
- memcpy(new_data + bif_output.data_len, data, len);
- if (offset)
- *offset = bif_output.data_len;
- bif_output.data = new_data;
- bif_output.data_len = new_size;
- /* Readjust internal pointers */
- if (bif_output.header)
- bif_output.header = new_data + header_off;
- if (bif_output.last_part)
- bif_output.last_part = new_data + last_part_off;
- if (bif_output.imgheader)
- bif_output.imgheader = new_data + imgheader_off;
- return 0;
- }
- static int bif_init(void)
- {
- struct zynqmp_header header = { { 0 } };
- int r;
- zynqmpimage_default_header(&header);
- r = bif_add_blob(&header, sizeof(header), NULL);
- if (r)
- return r;
- bif_output.header = (void *)bif_output.data;
- return 0;
- }
- static int bif_add_pmufw(struct bif_entry *bf, const char *data, size_t len)
- {
- int r;
- if (bif_output.header->image_offset) {
- printf("PMUFW expected before bootloader in your .bif file!\n");
- return -1;
- }
- r = bif_add_blob(data, len, &bf->offset);
- if (r)
- return r;
- len = ROUND(len, 64);
- bif_output.header->pfw_image_length = cpu_to_le32(len);
- bif_output.header->total_pfw_image_length = cpu_to_le32(len);
- bif_output.header->image_offset = cpu_to_le32(bf->offset);
- return 0;
- }
- static int bif_add_part(struct bif_entry *bf, const char *data, size_t len)
- {
- size_t parthdr_offset = 0;
- struct partition_header parthdr = {
- .len_enc = cpu_to_le32(len / 4),
- .len_unenc = cpu_to_le32(len / 4),
- .len = cpu_to_le32(len / 4),
- .entry_point = cpu_to_le64(bf->entry),
- .load_address = cpu_to_le64(bf->load),
- };
- int r;
- uint32_t csum;
- if (bf->flags & (1ULL << BIF_FLAG_PMUFW_IMAGE))
- return bif_add_pmufw(bf, data, len);
- r = bif_add_blob(data, len, &bf->offset);
- if (r)
- return r;
- parthdr.offset = cpu_to_le32(bf->offset / 4);
- if (bf->flags & (1ULL << BIF_FLAG_BOOTLOADER)) {
- if (bif_output.last_part) {
- printf("ERROR: Bootloader expected before others\n");
- return -1;
- }
- parthdr.offset = cpu_to_le32(bif_output.header->image_offset);
- parthdr.len = cpu_to_le32((bf->offset + len -
- bif_output.header->image_offset) / 4);
- parthdr.len_enc = parthdr.len;
- parthdr.len_unenc = parthdr.len;
- }
- /* Normalize EL */
- bf->exp_lvl = bf->exp_lvl ? bf->exp_lvl - 1 : 3;
- parthdr.attributes |= bf->exp_lvl << PART_ATTR_TARGET_EL_SHIFT;
- parthdr.attributes |= bf->dest_dev;
- parthdr.attributes |= bf->dest_cpu;
- if (bf->flags & (1ULL << BIF_FLAG_TZ))
- parthdr.attributes |= PART_ATTR_TZ_SECURE;
- if (bf->flags & (1ULL << BIF_FLAG_PART_OWNER_UBOOT))
- parthdr.attributes |= PART_ATTR_PART_OWNER_UBOOT;
- switch (bf->dest_cpu) {
- case PART_ATTR_DEST_CPU_NONE:
- case PART_ATTR_DEST_CPU_A53_0:
- case PART_ATTR_DEST_CPU_A53_1:
- case PART_ATTR_DEST_CPU_A53_2:
- case PART_ATTR_DEST_CPU_A53_3:
- if (bf->flags & (1ULL << BIF_FLAG_AARCH32))
- parthdr.attributes |= PART_ATTR_A53_EXEC_AARCH32;
- }
- csum = zynqmp_csum(&parthdr, &parthdr.checksum);
- parthdr.checksum = cpu_to_le32(csum);
- r = bif_add_blob(&parthdr, sizeof(parthdr), &parthdr_offset);
- if (r)
- return r;
- /* Add image header table if not there yet */
- if (!bif_output.imgheader) {
- size_t imghdr_off = 0;
- struct image_header_table imghdr = {
- .version = cpu_to_le32(0x01020000),
- .nr_parts = 0,
- };
- r = bif_add_blob(&imghdr, sizeof(imghdr), &imghdr_off);
- if (r)
- return r;
- bif_output.header->image_header_table_offset = imghdr_off;
- bif_output.imgheader = (void *)(bif_output.data + imghdr_off);
- }
- bif_output.imgheader->nr_parts = cpu_to_le32(le32_to_cpu(
- bif_output.imgheader->nr_parts) + 1);
- /* Link to this partition header */
- if (bif_output.last_part) {
- bif_output.last_part->next_partition_offset =
- cpu_to_le32(parthdr_offset / 4);
- /* Recalc checksum of last_part */
- csum = zynqmp_csum(bif_output.last_part,
- &bif_output.last_part->checksum);
- bif_output.last_part->checksum = cpu_to_le32(csum);
- } else {
- bif_output.imgheader->partition_header_offset =
- cpu_to_le32(parthdr_offset / 4);
- }
- bif_output.last_part = (void *)(bif_output.data + parthdr_offset);
- if (bf->flags & (1ULL << BIF_FLAG_BOOTLOADER)) {
- bif_output.header->image_load = cpu_to_le32(bf->load);
- if (!bif_output.header->image_offset)
- bif_output.header->image_offset =
- cpu_to_le32(bf->offset);
- bif_output.header->image_size = cpu_to_le32(len);
- bif_output.header->image_stored_size = cpu_to_le32(len);
- bif_output.header->image_attributes &= ~HEADER_CPU_SELECT_MASK;
- switch (bf->dest_cpu) {
- default:
- case PART_ATTR_DEST_CPU_A53_0:
- if (bf->flags & BIF_FLAG_AARCH32)
- bif_output.header->image_attributes |=
- HEADER_CPU_SELECT_A53_32BIT;
- else
- bif_output.header->image_attributes |=
- HEADER_CPU_SELECT_A53_64BIT;
- break;
- case PART_ATTR_DEST_CPU_R5_0:
- bif_output.header->image_attributes |=
- HEADER_CPU_SELECT_R5_SINGLE;
- break;
- case PART_ATTR_DEST_CPU_R5_L:
- bif_output.header->image_attributes |=
- HEADER_CPU_SELECT_R5_DUAL;
- break;
- }
- }
- return 0;
- }
- /* Add .bit bitstream */
- static int bif_add_bit(struct bif_entry *bf)
- {
- char *bit = read_full_file(bf->filename, NULL);
- char *bitbin;
- uint8_t initial_header[] = { 0x00, 0x09, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f,
- 0xf0, 0x0f, 0xf0, 0x00, 0x00, 0x01, 0x61 };
- uint16_t len;
- uint32_t bitlen;
- int i;
- if (!bit)
- return -1;
- /* Skip initial header */
- if (memcmp(bit, initial_header, sizeof(initial_header)))
- return -1;
- bit += sizeof(initial_header);
- /* Design name */
- len = be16_to_cpu(*(uint16_t *)bit);
- bit += sizeof(uint16_t);
- debug("Design: %s\n", bit);
- bit += len;
- /* Device identifier */
- if (*bit != 'b')
- return -1;
- bit++;
- len = be16_to_cpu(*(uint16_t *)bit);
- bit += sizeof(uint16_t);
- debug("Device: %s\n", bit);
- bit += len;
- /* Date */
- if (*bit != 'c')
- return -1;
- bit++;
- len = be16_to_cpu(*(uint16_t *)bit);
- bit += sizeof(uint16_t);
- debug("Date: %s\n", bit);
- bit += len;
- /* Time */
- if (*bit != 'd')
- return -1;
- bit++;
- len = be16_to_cpu(*(uint16_t *)bit);
- bit += sizeof(uint16_t);
- debug("Time: %s\n", bit);
- bit += len;
- /* Bitstream length */
- if (*bit != 'e')
- return -1;
- bit++;
- bitlen = be32_to_cpu(*(uint32_t *)bit);
- bit += sizeof(uint32_t);
- bitbin = bit;
- debug("Bitstream Length: 0x%x\n", bitlen);
- for (i = 0; i < bitlen; i += sizeof(uint32_t)) {
- uint32_t *bitbin32 = (uint32_t *)&bitbin[i];
- *bitbin32 = __swab32(*bitbin32);
- }
- if (!bf->dest_dev)
- bf->dest_dev = PART_ATTR_DEST_DEVICE_PL;
- bf->load = 0xffffffff;
- bf->entry = 0;
- bf->flags |= 1ULL << BIF_FLAG_BIT_FILE;
- return bif_add_part(bf, bit, bitlen);
- }
- /* Add .bin bitstream */
- static int bif_add_bin(struct bif_entry *bf)
- {
- size_t size;
- char *bin = read_full_file(bf->filename, &size);
- if (!bf->dest_dev)
- bf->dest_dev = PART_ATTR_DEST_DEVICE_PS;
- bf->flags |= 1ULL << BIF_FLAG_BIN_FILE;
- return bif_add_part(bf, bin, size);
- }
- /* Add elf file */
- static char *elf2flat64(char *elf, size_t *flat_size, size_t *load_addr)
- {
- Elf64_Ehdr *ehdr;
- Elf64_Shdr *shdr;
- size_t min_addr = -1, max_addr = 0;
- char *flat;
- int i;
- ehdr = (void *)elf;
- shdr = (void *)(elf + le64_to_cpu(ehdr->e_shoff));
- /* Look for smallest / biggest address */
- for (i = 0; i < le64_to_cpu(ehdr->e_shnum); i++, shdr++) {
- if (!shdr->sh_size || !shdr->sh_addr ||
- !(shdr->sh_flags & SHF_ALLOC) ||
- (shdr->sh_type == SHT_NOBITS))
- continue;
- if (le64_to_cpu(shdr->sh_addr) < min_addr)
- min_addr = le64_to_cpu(shdr->sh_addr);
- if ((le64_to_cpu(shdr->sh_addr) + le64_to_cpu(shdr->sh_size)) >
- max_addr)
- max_addr = le64_to_cpu(shdr->sh_addr) +
- le64_to_cpu(shdr->sh_size);
- }
- *load_addr = min_addr;
- *flat_size = max_addr - min_addr;
- flat = calloc(1, *flat_size);
- if (!flat)
- return NULL;
- shdr = (void *)(elf + le64_to_cpu(ehdr->e_shoff));
- for (i = 0; i < le64_to_cpu(ehdr->e_shnum); i++, shdr++) {
- char *dst = flat + le64_to_cpu(shdr->sh_addr) - min_addr;
- char *src = elf + le64_to_cpu(shdr->sh_offset);
- if (!shdr->sh_size || !shdr->sh_addr ||
- !(shdr->sh_flags & SHF_ALLOC))
- continue;
- if (shdr->sh_type != SHT_NOBITS)
- memcpy(dst, src, le64_to_cpu(shdr->sh_size));
- }
- return flat;
- }
- static char *elf2flat32(char *elf, size_t *flat_size, size_t *load_addr)
- {
- Elf32_Ehdr *ehdr;
- Elf32_Shdr *shdr;
- size_t min_addr = -1, max_addr = 0;
- char *flat;
- int i;
- ehdr = (void *)elf;
- shdr = (void *)(elf + le32_to_cpu(ehdr->e_shoff));
- /* Look for smallest / biggest address */
- for (i = 0; i < le32_to_cpu(ehdr->e_shnum); i++, shdr++) {
- if (!shdr->sh_size || !shdr->sh_addr ||
- !(shdr->sh_flags & SHF_ALLOC) ||
- (shdr->sh_type == SHT_NOBITS))
- continue;
- if (le32_to_cpu(shdr->sh_addr) < min_addr)
- min_addr = le32_to_cpu(shdr->sh_addr);
- if ((le32_to_cpu(shdr->sh_addr) + le32_to_cpu(shdr->sh_size)) >
- max_addr)
- max_addr = le32_to_cpu(shdr->sh_addr) +
- le32_to_cpu(shdr->sh_size);
- }
- *load_addr = min_addr;
- *flat_size = max_addr - min_addr;
- flat = calloc(1, *flat_size);
- if (!flat)
- return NULL;
- shdr = (void *)(elf + le32_to_cpu(ehdr->e_shoff));
- for (i = 0; i < le32_to_cpu(ehdr->e_shnum); i++, shdr++) {
- char *dst = flat + le32_to_cpu(shdr->sh_addr) - min_addr;
- char *src = elf + le32_to_cpu(shdr->sh_offset);
- if (!shdr->sh_size || !shdr->sh_addr ||
- !(shdr->sh_flags & SHF_ALLOC))
- continue;
- if (shdr->sh_type != SHT_NOBITS)
- memcpy(dst, src, le32_to_cpu(shdr->sh_size));
- }
- return flat;
- }
- static int bif_add_elf(struct bif_entry *bf)
- {
- size_t size;
- size_t elf_size;
- char *elf;
- char *flat;
- size_t load_addr;
- Elf32_Ehdr *ehdr32;
- Elf64_Ehdr *ehdr64;
- elf = read_full_file(bf->filename, &elf_size);
- if (!elf)
- return -1;
- ehdr32 = (void *)elf;
- ehdr64 = (void *)elf;
- switch (ehdr32->e_ident[EI_CLASS]) {
- case ELFCLASS32:
- flat = elf2flat32(elf, &size, &load_addr);
- bf->entry = le32_to_cpu(ehdr32->e_entry);
- bf->flags |= 1ULL << BIF_FLAG_AARCH32;
- break;
- case ELFCLASS64:
- flat = elf2flat64(elf, &size, &load_addr);
- bf->entry = le64_to_cpu(ehdr64->e_entry);
- break;
- default:
- printf("Unknown ELF class: %d\n", ehdr32->e_ident[EI_CLASS]);
- return -1;
- }
- if (!flat)
- return -1;
- bf->load = load_addr;
- if (!bf->dest_dev)
- bf->dest_dev = PART_ATTR_DEST_DEVICE_PS;
- bf->flags |= 1ULL << BIF_FLAG_ELF_FILE;
- return bif_add_part(bf, flat, size);
- }
- static const struct bif_file_type bif_file_types[] = {
- {
- .name = "bitstream (.bit)",
- .header = 0x00090ff0,
- .add = bif_add_bit,
- },
- {
- .name = "ELF",
- .header = 0x7f454c46,
- .add = bif_add_elf,
- },
- /* Anything else is a .bin file */
- {
- .name = ".bin",
- .add = bif_add_bin,
- },
- };
- static int bif_fsbl_config(struct bif_entry *fsbl_config,
- struct bif_entry *entries, int nr_entries)
- {
- int i;
- int config_set = 0;
- struct {
- const char *name;
- uint64_t flags;
- uint64_t dest_cpu;
- } configs[] = {
- { .name = "a5x_x64", .dest_cpu = PART_ATTR_DEST_CPU_A53_0 },
- { .name = "a53_x64", .dest_cpu = PART_ATTR_DEST_CPU_A53_0 },
- { .name = "a5x_x32", .dest_cpu = PART_ATTR_DEST_CPU_A53_0,
- .flags = 1ULL << BIF_FLAG_AARCH32 },
- { .name = "a53_x32", .dest_cpu = PART_ATTR_DEST_CPU_A53_0,
- .flags = 1ULL << BIF_FLAG_AARCH32 },
- { .name = "r5_single", .dest_cpu = PART_ATTR_DEST_CPU_R5_0 },
- { .name = "r5_dual", .dest_cpu = PART_ATTR_DEST_CPU_R5_L },
- };
- /* Set target CPU of bootloader entry */
- for (i = 0; i < nr_entries; i++) {
- struct bif_entry *b = &entries[i];
- const char *config_attr = fsbl_config->filename;
- int j;
- if (!(b->flags & (1ULL << BIF_FLAG_BOOTLOADER)))
- continue;
- for (j = 0; j < ARRAY_SIZE(configs); j++) {
- if (!strncmp(config_attr, configs[j].name,
- strlen(configs[j].name))) {
- b->dest_cpu = configs[j].dest_cpu;
- b->flags |= configs[j].flags;
- config_set = 1;
- }
- }
- if (!config_set) {
- printf("ERROR: Unsupported fsbl_config: %s\n",
- config_attr);
- return -1;
- }
- }
- if (!config_set) {
- printf("ERROR: fsbl_config w/o bootloader\n");
- return -1;
- }
- return 0;
- }
- static const struct bif_flags *find_flag(char *str)
- {
- const struct bif_flags *bf;
- int i;
- for (i = 0; i < ARRAY_SIZE(bif_flags); i++) {
- bf = &bif_flags[i];
- if (!strncmp(bf->name, str, strlen(bf->name)))
- return bf;
- }
- printf("ERROR: Flag '%s' not found\n", str);
- return NULL;
- }
- static int bif_open_file(struct bif_entry *entry)
- {
- int fd = open(entry->filename, O_RDONLY);
- if (fd < 0)
- printf("Error opening file %s\n", entry->filename);
- return fd;
- }
- static const struct bif_file_type *get_file_type(struct bif_entry *entry)
- {
- int fd = bif_open_file(entry);
- uint32_t header;
- int i;
- if (fd < 0)
- return NULL;
- if (read(fd, &header, sizeof(header)) != sizeof(header)) {
- printf("Error reading file %s", entry->filename);
- return NULL;
- }
- close(fd);
- for (i = 0; i < ARRAY_SIZE(bif_file_types); i++) {
- const struct bif_file_type *type = &bif_file_types[i];
- if (!type->header)
- return type;
- if (type->header == be32_to_cpu(header))
- return type;
- }
- return NULL;
- }
- #define NEXT_CHAR(str, chr) ({ \
- char *_n = strchr(str, chr); \
- if (!_n) \
- goto err; \
- _n; \
- })
- static char *skip_whitespace(char *str)
- {
- while (*str == ' ' || *str == '\t')
- str++;
- return str;
- }
- int zynqmpbif_copy_image(int outfd, struct image_tool_params *mparams)
- {
- char *bif, *bifp, *bifpn;
- char *line;
- struct bif_entry entries[32] = { { 0 } };
- int nr_entries = 0;
- struct bif_entry *entry = entries;
- size_t len;
- int i;
- uint32_t csum;
- int bldr = -1;
- bif_init();
- /* Read .bif input file */
- bif = read_full_file(mparams->datafile, NULL);
- if (!bif)
- goto err;
- /* Interpret .bif file */
- bifp = bif;
- /* A bif description starts with a { section */
- bifp = NEXT_CHAR(bifp, '{') + 1;
- /* Read every line */
- while (1) {
- bifpn = NEXT_CHAR(bifp, '\n');
- if (bifpn[-1] == '\r')
- bifpn[-1] = '\0';
- *bifpn = '\0';
- bifpn++;
- line = bifp;
- line = skip_whitespace(line);
- /* Attributes? */
- if (*line == '[') {
- line++;
- while (1) {
- const struct bif_flags *bf;
- line = skip_whitespace(line);
- bf = find_flag(line);
- if (!bf)
- goto err;
- line += strlen(bf->name);
- if (bf->parse)
- line = bf->parse(line, entry);
- else
- entry->flags |= 1ULL << bf->flag;
- if (!line)
- goto err;
- /* Go to next attribute or quit */
- if (*line == ']') {
- line++;
- break;
- }
- if (*line == ',')
- line++;
- }
- }
- /* End of image description */
- if (*line == '}')
- break;
- if (*line) {
- line = skip_whitespace(line);
- entry->filename = line;
- nr_entries++;
- entry++;
- }
- /* Use next line */
- bifp = bifpn;
- }
- for (i = 0; i < nr_entries; i++) {
- debug("Entry flags=%#lx name=%s\n", entries[i].flags,
- entries[i].filename);
- }
- /*
- * Some entries are actually configuration option for other ones,
- * let's apply them in an intermediate step.
- */
- for (i = 0; i < nr_entries; i++) {
- struct bif_entry *entry = &entries[i];
- if (entry->flags & (1ULL << BIF_FLAG_FSBL_CONFIG))
- if (bif_fsbl_config(entry, entries, nr_entries))
- goto err;
- }
- /* Make sure PMUFW comes before bootloader */
- for (i = 0; i < nr_entries; i++) {
- struct bif_entry *entry = &entries[i];
- if (entry->flags & (1ULL << BIF_FLAG_BOOTLOADER))
- bldr = i;
- if (entry->flags & (1ULL << BIF_FLAG_PMUFW_IMAGE)) {
- if (bldr >= 0) {
- struct bif_entry tmp = *entry;
- *entry = entries[bldr];
- entries[bldr] = tmp;
- }
- }
- }
- for (i = 0; i < nr_entries; i++) {
- struct bif_entry *entry = &entries[i];
- const struct bif_file_type *type;
- int r;
- if (entry->flags & (1ULL << BIF_FLAG_FSBL_CONFIG))
- continue;
- type = get_file_type(entry);
- if (!type)
- goto err;
- debug("type=%s file=%s\n", type->name, entry->filename);
- r = type->add(entry);
- if (r)
- goto err;
- }
- /* Calculate checksums */
- csum = zynqmp_csum(&bif_output.header->width_detection,
- &bif_output.header->checksum);
- bif_output.header->checksum = cpu_to_le32(csum);
- if (bif_output.imgheader) {
- csum = zynqmp_csum(bif_output.imgheader,
- &bif_output.imgheader->checksum);
- bif_output.imgheader->checksum = cpu_to_le32(csum);
- }
- /* Write headers and components */
- if (lseek(outfd, 0, SEEK_SET) != 0)
- goto err;
- len = bif_output.data_len;
- bifp = bif_output.data;
- while (len) {
- int r;
- r = write(outfd, bifp, len);
- if (r < 0)
- goto err;
- len -= r;
- bifp += r;
- }
- return 0;
- err:
- fprintf(stderr, "Error: Failed to create image.\n");
- return -1;
- }
- /* Needs to be stubbed out so we can print after creation */
- static void zynqmpbif_set_header(void *ptr, struct stat *sbuf, int ifd,
- struct image_tool_params *params)
- {
- }
- static struct zynqmp_header zynqmpimage_header;
- U_BOOT_IMAGE_TYPE(
- zynqmpbif,
- "Xilinx ZynqMP Boot Image support (bif)",
- sizeof(struct zynqmp_header),
- (void *)&zynqmpimage_header,
- zynqmpbif_check_params,
- NULL,
- zynqmpimage_print_header,
- zynqmpbif_set_header,
- NULL,
- zynqmpbif_check_image_types,
- NULL,
- NULL
- );
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