[U-Boot] [PATCH v4 4/4] tools: zynqmpimage: Add bif support
Peter Robinson
pbrobinson at gmail.com
Wed Jun 13 06:49:02 UTC 2018
Michael or Alex,
Could someone add a ZynqMP README documenting the process required to
use U-Boot for the ZynqMP with the open tools? I looked in
board/xilinx/zynqmp and doc/ and a few other places but couldn't see
any docs for either that or the closed tools.
Peter
On Fri, Apr 13, 2018 at 1:18 PM, Alexander Graf <agraf at suse.de> wrote:
> The officially described way to generate boot.bin files for ZynqMP is to
> describe the contents of the target binary using a file of the "bif"
> format. This file then links to other files that all get packed into a
> bootable image.
>
> This patch adds support to read such a .bif file and generate a respective
> ZynqMP boot.bin file that can include the normal image and pmu files, but
> also supports image partitions now. This makes it a handy replacement for
> the proprietary "bootgen" utility that is currently used to generate
> boot.bin files with FSBL.
>
> Signed-off-by: Alexander Graf <agraf at suse.de>
>
> ---
>
> v2 -> v3:
>
> - zero initialize header
> - reduce default debug verbosity
>
> v3 -> v4:
>
> - add error handling
> - add fsbl_config support
> - add aarch32 support
> - allow a5x to be written as a53
> - add offset support
> - add support for partition_owner
> - ensure pmufw comes before bootloader
> - simplify fsbl_config
> - add non-a53 boot support
> - checkpatch fixes
> ---
> common/image.c | 1 +
> include/image.h | 1 +
> tools/Makefile | 1 +
> tools/imagetool.h | 1 +
> tools/mkimage.c | 7 +
> tools/zynqmpbif.c | 1008 +++++++++++++++++++++++++++++++++++++++++++++++++++
> tools/zynqmpimage.c | 4 +-
> tools/zynqmpimage.h | 7 +
> 8 files changed, 1028 insertions(+), 2 deletions(-)
> create mode 100644 tools/zynqmpbif.c
>
> diff --git a/common/image.c b/common/image.c
> index e1c50eb25d..f30dfa229b 100644
> --- a/common/image.c
> +++ b/common/image.c
> @@ -159,6 +159,7 @@ static const table_entry_t uimage_type[] = {
> { IH_TYPE_VYBRIDIMAGE, "vybridimage", "Vybrid Boot Image", },
> { IH_TYPE_ZYNQIMAGE, "zynqimage", "Xilinx Zynq Boot Image" },
> { IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
> + { IH_TYPE_ZYNQMPBIF, "zynqmpbif", "Xilinx ZynqMP Boot Image (bif)" },
> { IH_TYPE_FPGA, "fpga", "FPGA Image" },
> { IH_TYPE_TEE, "tee", "Trusted Execution Environment Image",},
> { IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
> diff --git a/include/image.h b/include/image.h
> index a579c5f509..c5af912aeb 100644
> --- a/include/image.h
> +++ b/include/image.h
> @@ -269,6 +269,7 @@ enum {
> IH_TYPE_RKSPI, /* Rockchip SPI image */
> IH_TYPE_ZYNQIMAGE, /* Xilinx Zynq Boot Image */
> IH_TYPE_ZYNQMPIMAGE, /* Xilinx ZynqMP Boot Image */
> + IH_TYPE_ZYNQMPBIF, /* Xilinx ZynqMP Boot Image (bif) */
> IH_TYPE_FPGA, /* FPGA Image */
> IH_TYPE_VYBRIDIMAGE, /* VYBRID .vyb Image */
> IH_TYPE_TEE, /* Trusted Execution Environment OS Image */
> diff --git a/tools/Makefile b/tools/Makefile
> index 8143c25666..204685ec9e 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -113,6 +113,7 @@ dumpimage-mkimage-objs := aisimage.o \
> ublimage.o \
> zynqimage.o \
> zynqmpimage.o \
> + zynqmpbif.o \
> $(LIBFDT_OBJS) \
> gpimage.o \
> gpimage-common.o \
> diff --git a/tools/imagetool.h b/tools/imagetool.h
> index e67de9b5ad..6a7e7386f7 100644
> --- a/tools/imagetool.h
> +++ b/tools/imagetool.h
> @@ -232,6 +232,7 @@ time_t imagetool_get_source_date(
>
>
> void pbl_load_uboot(int fd, struct image_tool_params *mparams);
> +int zynqmpbif_copy_image(int fd, struct image_tool_params *mparams);
>
> #define ___cat(a, b) a ## b
> #define __cat(a, b) ___cat(a, b)
> diff --git a/tools/mkimage.c b/tools/mkimage.c
> index 4e561820e7..fe861f5405 100644
> --- a/tools/mkimage.c
> +++ b/tools/mkimage.c
> @@ -514,6 +514,13 @@ int main(int argc, char **argv)
> } else if (params.type == IH_TYPE_PBLIMAGE) {
> /* PBL has special Image format, implements its' own */
> pbl_load_uboot(ifd, ¶ms);
> + } else if (params.type == IH_TYPE_ZYNQMPBIF) {
> + /* Image file is meta, walk through actual targets */
> + int ret;
> +
> + ret = zynqmpbif_copy_image(ifd, ¶ms);
> + if (ret)
> + return ret;
> } else {
> copy_file(ifd, params.datafile, pad_len);
> }
> diff --git a/tools/zynqmpbif.c b/tools/zynqmpbif.c
> new file mode 100644
> index 0000000000..6c8f66055d
> --- /dev/null
> +++ b/tools/zynqmpbif.c
> @@ -0,0 +1,1008 @@
> +/*
> + * Copyright (C) 2018 Alexander Graf <agraf at 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
> +);
> diff --git a/tools/zynqmpimage.c b/tools/zynqmpimage.c
> index 3bd23b9bf8..288816d6cd 100644
> --- a/tools/zynqmpimage.c
> +++ b/tools/zynqmpimage.c
> @@ -87,7 +87,7 @@ static uint32_t zynqmpimage_checksum(struct zynqmp_header *ptr)
> return cpu_to_le32(checksum);
> }
>
> -static void zynqmpimage_default_header(struct zynqmp_header *ptr)
> +void zynqmpimage_default_header(struct zynqmp_header *ptr)
> {
> int i;
>
> @@ -210,7 +210,7 @@ static void print_partition(const void *ptr, const struct partition_header *ph)
> printf(" Checksum : 0x%08x\n", le32_to_cpu(ph->checksum));
> }
>
> -static void zynqmpimage_print_header(const void *ptr)
> +void zynqmpimage_print_header(const void *ptr)
> {
> struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
> int i;
> diff --git a/tools/zynqmpimage.h b/tools/zynqmpimage.h
> index f3b5c195ad..7a57681709 100644
> --- a/tools/zynqmpimage.h
> +++ b/tools/zynqmpimage.h
> @@ -19,7 +19,11 @@
> #define HEADER_REGINIT_NULL (cpu_to_le32(0xffffffff))
> #define HEADER_WIDTHDETECTION (cpu_to_le32(0xaa995566))
> #define HEADER_IMAGEIDENTIFIER (cpu_to_le32(0x584c4e58))
> +#define HEADER_CPU_SELECT_MASK (0x3 << 10)
> +#define HEADER_CPU_SELECT_R5_SINGLE (0x0 << 10)
> +#define HEADER_CPU_SELECT_A53_32BIT (0x1 << 10)
> #define HEADER_CPU_SELECT_A53_64BIT (0x2 << 10)
> +#define HEADER_CPU_SELECT_R5_DUAL (0x3 << 10)
>
> enum {
> ENCRYPTION_EFUSE = 0xa5c3c5a3,
> @@ -129,4 +133,7 @@ struct zynqmp_header {
> uint32_t __reserved4[66]; /* 0x9c0 */
> };
>
> +void zynqmpimage_default_header(struct zynqmp_header *ptr);
> +void zynqmpimage_print_header(const void *ptr);
> +
> #endif /* _ZYNQMPIMAGE_H_ */
> --
> 2.12.3
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> https://lists.denx.de/listinfo/u-boot
More information about the U-Boot
mailing list