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mxsimage.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Freescale i.MX23/i.MX28 SB image generator
*
* Copyright (C) 2012-2013 Marek Vasut <[email protected]>
*/
#ifdef CONFIG_MXS
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <u-boot/crc.h>
#include <unistd.h>
#include <limits.h>
#include <openssl/evp.h>
#include "imagetool.h"
#include "mxsimage.h"
#include "pbl_crc32.h"
#include <image.h>
/*
* OpenSSL 1.1.0 and newer compatibility functions:
* https://wiki.openssl.org/index.php/1.1_API_Changes
*/
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
static void *OPENSSL_zalloc(size_t num)
{
void *ret = OPENSSL_malloc(num);
if (ret != NULL)
memset(ret, 0, num);
return ret;
}
EVP_MD_CTX *EVP_MD_CTX_new(void)
{
return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
}
void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
{
EVP_MD_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *ctx)
{
return EVP_CIPHER_CTX_cleanup(ctx);
}
#endif
/*
* DCD block
* |-Write to address command block
* | 0xf00 == 0xf33d
* | 0xba2 == 0xb33f
* |-ORR address with mask command block
* | 0xf00 |= 0x1337
* |-Write to address command block
* | 0xba2 == 0xd00d
* :
*/
#define SB_HAB_DCD_WRITE 0xccUL
#define SB_HAB_DCD_CHECK 0xcfUL
#define SB_HAB_DCD_NOOP 0xc0UL
#define SB_HAB_DCD_MASK_BIT (1 << 3)
#define SB_HAB_DCD_SET_BIT (1 << 4)
/* Addr.n = Value.n */
#define SB_DCD_WRITE \
(SB_HAB_DCD_WRITE << 24)
/* Addr.n &= ~Value.n */
#define SB_DCD_ANDC \
((SB_HAB_DCD_WRITE << 24) | SB_HAB_DCD_SET_BIT)
/* Addr.n |= Value.n */
#define SB_DCD_ORR \
((SB_HAB_DCD_WRITE << 24) | SB_HAB_DCD_SET_BIT | SB_HAB_DCD_MASK_BIT)
/* (Addr.n & Value.n) == 0 */
#define SB_DCD_CHK_EQZ \
(SB_HAB_DCD_CHECK << 24)
/* (Addr.n & Value.n) == Value.n */
#define SB_DCD_CHK_EQ \
((SB_HAB_DCD_CHECK << 24) | SB_HAB_DCD_SET_BIT)
/* (Addr.n & Value.n) != Value.n */
#define SB_DCD_CHK_NEQ \
((SB_HAB_DCD_CHECK << 24) | SB_HAB_DCD_MASK_BIT)
/* (Addr.n & Value.n) != 0 */
#define SB_DCD_CHK_NEZ \
((SB_HAB_DCD_CHECK << 24) | SB_HAB_DCD_SET_BIT | SB_HAB_DCD_MASK_BIT)
/* NOP */
#define SB_DCD_NOOP \
(SB_HAB_DCD_NOOP << 24)
struct sb_dcd_ctx {
struct sb_dcd_ctx *dcd;
uint32_t id;
/* The DCD block. */
uint32_t *payload;
/* Size of the whole DCD block. */
uint32_t size;
/* Pointer to previous DCD command block. */
uint32_t *prev_dcd_head;
};
/*
* IMAGE
* |-SECTION
* | |-CMD
* | |-CMD
* | `-CMD
* |-SECTION
* | |-CMD
* : :
*/
struct sb_cmd_list {
char *cmd;
size_t len;
unsigned int lineno;
};
struct sb_cmd_ctx {
uint32_t size;
struct sb_cmd_ctx *cmd;
uint8_t *data;
uint32_t length;
struct sb_command payload;
struct sb_command c_payload;
};
struct sb_section_ctx {
uint32_t size;
/* Section flags */
unsigned int boot:1;
struct sb_section_ctx *sect;
struct sb_cmd_ctx *cmd_head;
struct sb_cmd_ctx *cmd_tail;
struct sb_sections_header payload;
};
struct sb_image_ctx {
unsigned int in_section:1;
unsigned int in_dcd:1;
/* Image configuration */
unsigned int display_progress:1;
unsigned int silent_dump:1;
char *input_filename;
char *output_filename;
char *cfg_filename;
uint8_t image_key[16];
/* Number of section in the image */
unsigned int sect_count;
/* Bootable section */
unsigned int sect_boot;
unsigned int sect_boot_found:1;
struct sb_section_ctx *sect_head;
struct sb_section_ctx *sect_tail;
struct sb_dcd_ctx *dcd_head;
struct sb_dcd_ctx *dcd_tail;
EVP_CIPHER_CTX *cipher_ctx;
EVP_MD_CTX *md_ctx;
uint8_t digest[32];
struct sb_key_dictionary_key sb_dict_key;
struct sb_boot_image_header payload;
};
/*
* Instruction semantics:
* NOOP
* TAG [LAST]
* LOAD address file
* LOAD IVT address IVT_entry_point
* FILL address pattern length
* JUMP [HAB] address [r0_arg]
* CALL [HAB] address [r0_arg]
* MODE mode
* For i.MX23, mode = USB/I2C/SPI1_FLASH/SPI2_FLASH/NAND_BCH
* JTAG/SPI3_EEPROM/SD_SSP0/SD_SSP1
* For i.MX28, mode = USB/I2C/SPI2_FLASH/SPI3_FLASH/NAND_BCH
* JTAG/SPI2_EEPROM/SD_SSP0/SD_SSP1
*/
/*
* AES libcrypto
*/
static int sb_aes_init(struct sb_image_ctx *ictx, uint8_t *iv, int enc)
{
EVP_CIPHER_CTX *ctx;
int ret;
/* If there is no init vector, init vector is all zeroes. */
if (!iv)
iv = ictx->image_key;
ctx = EVP_CIPHER_CTX_new();
ret = EVP_CipherInit(ctx, EVP_aes_128_cbc(), ictx->image_key, iv, enc);
if (ret == 1) {
EVP_CIPHER_CTX_set_padding(ctx, 0);
ictx->cipher_ctx = ctx;
}
return ret;
}
static int sb_aes_crypt(struct sb_image_ctx *ictx, uint8_t *in_data,
uint8_t *out_data, int in_len)
{
EVP_CIPHER_CTX *ctx = ictx->cipher_ctx;
int ret, outlen;
uint8_t *outbuf;
outbuf = malloc(in_len);
if (!outbuf)
return -ENOMEM;
memset(outbuf, 0, sizeof(in_len));
ret = EVP_CipherUpdate(ctx, outbuf, &outlen, in_data, in_len);
if (!ret) {
ret = -EINVAL;
goto err;
}
if (out_data)
memcpy(out_data, outbuf, outlen);
err:
free(outbuf);
return ret;
}
static int sb_aes_deinit(EVP_CIPHER_CTX *ctx)
{
return EVP_CIPHER_CTX_reset(ctx);
}
static int sb_aes_reinit(struct sb_image_ctx *ictx, int enc)
{
int ret;
EVP_CIPHER_CTX *ctx = ictx->cipher_ctx;
struct sb_boot_image_header *sb_header = &ictx->payload;
uint8_t *iv = sb_header->iv;
ret = sb_aes_deinit(ctx);
if (!ret)
return ret;
return sb_aes_init(ictx, iv, enc);
}
/*
* Debug
*/
static void soprintf(struct sb_image_ctx *ictx, const char *fmt, ...)
{
va_list ap;
if (ictx->silent_dump)
return;
va_start(ap, fmt);
vfprintf(stdout, fmt, ap);
va_end(ap);
}
/*
* Code
*/
static time_t sb_get_timestamp(void)
{
struct tm time_2000 = {
.tm_yday = 1, /* Jan. 1st */
.tm_year = 100, /* 2000 */
};
time_t seconds_to_2000 = mktime(&time_2000);
time_t seconds_to_now = time(NULL);
return seconds_to_now - seconds_to_2000;
}
static int sb_get_time(time_t time, struct tm *tm)
{
struct tm time_2000 = {
.tm_yday = 1, /* Jan. 1st */
.tm_year = 0, /* 1900 */
};
const time_t seconds_to_2000 = mktime(&time_2000);
const time_t seconds_to_now = seconds_to_2000 + time;
struct tm *ret;
ret = gmtime_r(&seconds_to_now, tm);
return ret ? 0 : -EINVAL;
}
static void sb_encrypt_sb_header(struct sb_image_ctx *ictx)
{
EVP_MD_CTX *md_ctx = ictx->md_ctx;
struct sb_boot_image_header *sb_header = &ictx->payload;
uint8_t *sb_header_ptr = (uint8_t *)sb_header;
/* Encrypt the header, compute the digest. */
sb_aes_crypt(ictx, sb_header_ptr, NULL, sizeof(*sb_header));
EVP_DigestUpdate(md_ctx, sb_header_ptr, sizeof(*sb_header));
}
static void sb_encrypt_sb_sections_header(struct sb_image_ctx *ictx)
{
EVP_MD_CTX *md_ctx = ictx->md_ctx;
struct sb_section_ctx *sctx = ictx->sect_head;
struct sb_sections_header *shdr;
uint8_t *sb_sections_header_ptr;
const int size = sizeof(*shdr);
while (sctx) {
shdr = &sctx->payload;
sb_sections_header_ptr = (uint8_t *)shdr;
sb_aes_crypt(ictx, sb_sections_header_ptr,
ictx->sb_dict_key.cbc_mac, size);
EVP_DigestUpdate(md_ctx, sb_sections_header_ptr, size);
sctx = sctx->sect;
};
}
static void sb_encrypt_key_dictionary_key(struct sb_image_ctx *ictx)
{
EVP_MD_CTX *md_ctx = ictx->md_ctx;
sb_aes_crypt(ictx, ictx->image_key, ictx->sb_dict_key.key,
sizeof(ictx->sb_dict_key.key));
EVP_DigestUpdate(md_ctx, &ictx->sb_dict_key, sizeof(ictx->sb_dict_key));
}
static void sb_decrypt_key_dictionary_key(struct sb_image_ctx *ictx)
{
EVP_MD_CTX *md_ctx = ictx->md_ctx;
EVP_DigestUpdate(md_ctx, &ictx->sb_dict_key, sizeof(ictx->sb_dict_key));
sb_aes_crypt(ictx, ictx->sb_dict_key.key, ictx->image_key,
sizeof(ictx->sb_dict_key.key));
}
static void sb_encrypt_tag(struct sb_image_ctx *ictx,
struct sb_cmd_ctx *cctx)
{
EVP_MD_CTX *md_ctx = ictx->md_ctx;
struct sb_command *cmd = &cctx->payload;
sb_aes_crypt(ictx, (uint8_t *)cmd,
(uint8_t *)&cctx->c_payload, sizeof(*cmd));
EVP_DigestUpdate(md_ctx, &cctx->c_payload, sizeof(*cmd));
}
static int sb_encrypt_image(struct sb_image_ctx *ictx)
{
/* Start image-wide crypto. */
ictx->md_ctx = EVP_MD_CTX_new();
EVP_DigestInit(ictx->md_ctx, EVP_sha1());
/*
* SB image header.
*/
sb_aes_init(ictx, NULL, 1);
sb_encrypt_sb_header(ictx);
/*
* SB sections header.
*/
sb_encrypt_sb_sections_header(ictx);
/*
* Key dictionary.
*/
sb_aes_reinit(ictx, 1);
sb_encrypt_key_dictionary_key(ictx);
/*
* Section tags.
*/
struct sb_cmd_ctx *cctx;
struct sb_command *ccmd;
struct sb_section_ctx *sctx = ictx->sect_head;
while (sctx) {
cctx = sctx->cmd_head;
sb_aes_reinit(ictx, 1);
while (cctx) {
ccmd = &cctx->payload;
sb_encrypt_tag(ictx, cctx);
if (ccmd->header.tag == ROM_TAG_CMD) {
sb_aes_reinit(ictx, 1);
} else if (ccmd->header.tag == ROM_LOAD_CMD) {
sb_aes_crypt(ictx, cctx->data, cctx->data,
cctx->length);
EVP_DigestUpdate(ictx->md_ctx, cctx->data,
cctx->length);
}
cctx = cctx->cmd;
}
sctx = sctx->sect;
};
/*
* Dump the SHA1 of the whole image.
*/
sb_aes_reinit(ictx, 1);
EVP_DigestFinal(ictx->md_ctx, ictx->digest, NULL);
EVP_MD_CTX_free(ictx->md_ctx);
sb_aes_crypt(ictx, ictx->digest, ictx->digest, sizeof(ictx->digest));
/* Stop the encryption session. */
sb_aes_deinit(ictx->cipher_ctx);
return 0;
}
static int sb_load_file(struct sb_cmd_ctx *cctx, char *filename)
{
long real_size, roundup_size;
uint8_t *data;
long ret;
unsigned long size;
FILE *fp;
if (!filename) {
fprintf(stderr, "ERR: Missing filename!\n");
return -EINVAL;
}
fp = fopen(filename, "r");
if (!fp)
goto err_open;
ret = fseek(fp, 0, SEEK_END);
if (ret < 0)
goto err_file;
real_size = ftell(fp);
if (real_size < 0)
goto err_file;
ret = fseek(fp, 0, SEEK_SET);
if (ret < 0)
goto err_file;
roundup_size = roundup(real_size, SB_BLOCK_SIZE);
data = calloc(1, roundup_size);
if (!data)
goto err_file;
size = fread(data, 1, real_size, fp);
if (size != (unsigned long)real_size)
goto err_alloc;
cctx->data = data;
cctx->length = roundup_size;
fclose(fp);
return 0;
err_alloc:
free(data);
err_file:
fclose(fp);
err_open:
fprintf(stderr, "ERR: Failed to load file \"%s\"\n", filename);
return -EINVAL;
}
static uint8_t sb_command_checksum(struct sb_command *inst)
{
uint8_t *inst_ptr = (uint8_t *)inst;
uint8_t csum = 0;
unsigned int i;
for (i = 0; i < sizeof(struct sb_command); i++)
csum += inst_ptr[i];
return csum;
}
static int sb_token_to_long(char *tok, uint32_t *rid)
{
char *endptr;
unsigned long id;
if (tok[0] != '0' || tok[1] != 'x') {
fprintf(stderr, "ERR: Invalid hexadecimal number!\n");
return -EINVAL;
}
tok += 2;
errno = 0;
id = strtoul(tok, &endptr, 16);
if ((errno == ERANGE && id == ULONG_MAX) || (errno != 0 && id == 0)) {
fprintf(stderr, "ERR: Value can't be decoded!\n");
return -EINVAL;
}
/* Check for 32-bit overflow. */
if (id > 0xffffffff) {
fprintf(stderr, "ERR: Value too big!\n");
return -EINVAL;
}
if (endptr == tok) {
fprintf(stderr, "ERR: Deformed value!\n");
return -EINVAL;
}
*rid = (uint32_t)id;
return 0;
}
static int sb_grow_dcd(struct sb_dcd_ctx *dctx, unsigned int inc_size)
{
uint32_t *tmp;
if (!inc_size)
return 0;
dctx->size += inc_size;
tmp = realloc(dctx->payload, dctx->size);
if (!tmp)
return -ENOMEM;
dctx->payload = tmp;
/* Assemble and update the HAB DCD header. */
dctx->payload[0] = htonl((SB_HAB_DCD_TAG << 24) |
(dctx->size << 8) |
SB_HAB_VERSION);
return 0;
}
static int sb_build_dcd(struct sb_image_ctx *ictx, struct sb_cmd_list *cmd)
{
struct sb_dcd_ctx *dctx;
char *tok;
uint32_t id;
int ret;
dctx = calloc(1, sizeof(*dctx));
if (!dctx)
return -ENOMEM;
ret = sb_grow_dcd(dctx, 4);
if (ret)
goto err_dcd;
/* Read DCD block number. */
tok = strtok(cmd->cmd, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: DCD block without number!\n",
cmd->lineno);
ret = -EINVAL;
goto err_dcd;
}
/* Parse the DCD block number. */
ret = sb_token_to_long(tok, &id);
if (ret) {
fprintf(stderr, "#%i ERR: Malformed DCD block number!\n",
cmd->lineno);
goto err_dcd;
}
dctx->id = id;
/*
* The DCD block is now constructed. Append it to the list.
* WARNING: The DCD size is still not computed and will be
* updated while parsing it's commands.
*/
if (!ictx->dcd_head) {
ictx->dcd_head = dctx;
ictx->dcd_tail = dctx;
} else {
ictx->dcd_tail->dcd = dctx;
ictx->dcd_tail = dctx;
}
return 0;
err_dcd:
free(dctx->payload);
free(dctx);
return ret;
}
static int sb_build_dcd_block(struct sb_image_ctx *ictx,
struct sb_cmd_list *cmd,
uint32_t type)
{
char *tok;
uint32_t address, value, length;
int ret;
struct sb_dcd_ctx *dctx = ictx->dcd_tail;
uint32_t *dcd;
if (dctx->prev_dcd_head && (type != SB_DCD_NOOP) &&
((dctx->prev_dcd_head[0] & 0xff0000ff) == type)) {
/* Same instruction as before, just append it. */
ret = sb_grow_dcd(dctx, 8);
if (ret)
return ret;
} else if (type == SB_DCD_NOOP) {
ret = sb_grow_dcd(dctx, 4);
if (ret)
return ret;
/* Update DCD command block pointer. */
dctx->prev_dcd_head = dctx->payload +
dctx->size / sizeof(*dctx->payload) - 1;
/* NOOP has only 4 bytes and no payload. */
goto noop;
} else {
/*
* Either a different instruction block started now
* or this is the first instruction block.
*/
ret = sb_grow_dcd(dctx, 12);
if (ret)
return ret;
/* Update DCD command block pointer. */
dctx->prev_dcd_head = dctx->payload +
dctx->size / sizeof(*dctx->payload) - 3;
}
dcd = dctx->payload + dctx->size / sizeof(*dctx->payload) - 2;
/*
* Prepare the command.
*/
tok = strtok(cmd->cmd, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: Missing DCD address!\n",
cmd->lineno);
ret = -EINVAL;
goto err;
}
/* Read DCD destination address. */
ret = sb_token_to_long(tok, &address);
if (ret) {
fprintf(stderr, "#%i ERR: Incorrect DCD address!\n",
cmd->lineno);
goto err;
}
tok = strtok(NULL, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: Missing DCD value!\n",
cmd->lineno);
ret = -EINVAL;
goto err;
}
/* Read DCD operation value. */
ret = sb_token_to_long(tok, &value);
if (ret) {
fprintf(stderr, "#%i ERR: Incorrect DCD value!\n",
cmd->lineno);
goto err;
}
/* Fill in the new DCD entry. */
dcd[0] = htonl(address);
dcd[1] = htonl(value);
noop:
/* Update the DCD command block. */
length = dctx->size -
((dctx->prev_dcd_head - dctx->payload) *
sizeof(*dctx->payload));
dctx->prev_dcd_head[0] = htonl(type | (length << 8));
err:
return ret;
}
static int sb_build_section(struct sb_image_ctx *ictx, struct sb_cmd_list *cmd)
{
struct sb_section_ctx *sctx;
struct sb_sections_header *shdr;
char *tok;
uint32_t bootable = 0;
uint32_t id;
int ret;
sctx = calloc(1, sizeof(*sctx));
if (!sctx)
return -ENOMEM;
/* Read section number. */
tok = strtok(cmd->cmd, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: Section without number!\n",
cmd->lineno);
ret = -EINVAL;
goto err_sect;
}
/* Parse the section number. */
ret = sb_token_to_long(tok, &id);
if (ret) {
fprintf(stderr, "#%i ERR: Malformed section number!\n",
cmd->lineno);
goto err_sect;
}
/* Read section's BOOTABLE flag. */
tok = strtok(NULL, " ");
if (tok && (strlen(tok) == 8) && !strncmp(tok, "BOOTABLE", 8))
bootable = SB_SECTION_FLAG_BOOTABLE;
sctx->boot = bootable;
shdr = &sctx->payload;
shdr->section_number = id;
shdr->section_flags = bootable;
/*
* The section is now constructed. Append it to the list.
* WARNING: The section size is still not computed and will
* be updated while parsing it's commands.
*/
ictx->sect_count++;
/* Mark that this section is bootable one. */
if (bootable) {
if (ictx->sect_boot_found) {
fprintf(stderr,
"#%i WARN: Multiple bootable section!\n",
cmd->lineno);
} else {
ictx->sect_boot = id;
ictx->sect_boot_found = 1;
}
}
if (!ictx->sect_head) {
ictx->sect_head = sctx;
ictx->sect_tail = sctx;
} else {
ictx->sect_tail->sect = sctx;
ictx->sect_tail = sctx;
}
return 0;
err_sect:
free(sctx);
return ret;
}
static int sb_build_command_nop(struct sb_image_ctx *ictx)
{
struct sb_section_ctx *sctx = ictx->sect_tail;
struct sb_cmd_ctx *cctx;
struct sb_command *ccmd;
cctx = calloc(1, sizeof(*cctx));
if (!cctx)
return -ENOMEM;
ccmd = &cctx->payload;
/*
* Construct the command.
*/
ccmd->header.checksum = 0x5a;
ccmd->header.tag = ROM_NOP_CMD;
cctx->size = sizeof(*ccmd);
/*
* Append the command to the last section.
*/
if (!sctx->cmd_head) {
sctx->cmd_head = cctx;
sctx->cmd_tail = cctx;
} else {
sctx->cmd_tail->cmd = cctx;
sctx->cmd_tail = cctx;
}
return 0;
}
static int sb_build_command_tag(struct sb_image_ctx *ictx,
struct sb_cmd_list *cmd)
{
struct sb_section_ctx *sctx = ictx->sect_tail;
struct sb_cmd_ctx *cctx;
struct sb_command *ccmd;
char *tok;
cctx = calloc(1, sizeof(*cctx));
if (!cctx)
return -ENOMEM;
ccmd = &cctx->payload;
/*
* Prepare the command.
*/
/* Check for the LAST keyword. */
tok = strtok(cmd->cmd, " ");
if (tok && !strcmp(tok, "LAST"))
ccmd->header.flags = ROM_TAG_CMD_FLAG_ROM_LAST_TAG;
/*
* Construct the command.
*/
ccmd->header.checksum = 0x5a;
ccmd->header.tag = ROM_TAG_CMD;
cctx->size = sizeof(*ccmd);
/*
* Append the command to the last section.
*/
if (!sctx->cmd_head) {
sctx->cmd_head = cctx;
sctx->cmd_tail = cctx;
} else {
sctx->cmd_tail->cmd = cctx;
sctx->cmd_tail = cctx;
}
return 0;
}
static int sb_build_command_load(struct sb_image_ctx *ictx,
struct sb_cmd_list *cmd)
{
struct sb_section_ctx *sctx = ictx->sect_tail;
struct sb_cmd_ctx *cctx;
struct sb_command *ccmd;
char *tok;
int ret, is_ivt = 0, is_dcd = 0;
uint32_t dest, dcd = 0;
cctx = calloc(1, sizeof(*cctx));
if (!cctx)
return -ENOMEM;
ccmd = &cctx->payload;
/*
* Prepare the command.
*/
tok = strtok(cmd->cmd, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: Missing LOAD address or 'IVT'!\n",
cmd->lineno);
ret = -EINVAL;
goto err;
}
/* Check for "IVT" flag. */
if (!strcmp(tok, "IVT"))
is_ivt = 1;
if (!strcmp(tok, "DCD"))
is_dcd = 1;
if (is_ivt || is_dcd) {
tok = strtok(NULL, " ");
if (!tok) {
fprintf(stderr, "#%i ERR: Missing LOAD address!\n",
cmd->lineno);
ret = -EINVAL;
goto err;
}
}
/* Read load destination address. */
ret = sb_token_to_long(tok, &dest);
if (ret) {
fprintf(stderr, "#%i ERR: Incorrect LOAD address!\n",
cmd->lineno);
goto err;
}
/* Read filename or IVT entrypoint or DCD block ID. */
tok = strtok(NULL, " ");
if (!tok) {
fprintf(stderr,
"#%i ERR: Missing LOAD filename or IVT ep or DCD block ID!\n",
cmd->lineno);
ret = -EINVAL;
goto err;
}
if (is_ivt) {
/* Handle IVT. */
struct sb_ivt_header *ivt;
uint32_t ivtep;
ret = sb_token_to_long(tok, &ivtep);
if (ret) {
fprintf(stderr,
"#%i ERR: Incorrect IVT entry point!\n",
cmd->lineno);
goto err;
}
ivt = calloc(1, sizeof(*ivt));
if (!ivt) {
ret = -ENOMEM;
goto err;
}
ivt->header = sb_hab_ivt_header();
ivt->entry = ivtep;
ivt->self = dest;
cctx->data = (uint8_t *)ivt;
cctx->length = sizeof(*ivt);
} else if (is_dcd) {
struct sb_dcd_ctx *dctx = ictx->dcd_head;
uint32_t dcdid;
uint8_t *payload;
uint32_t asize;
ret = sb_token_to_long(tok, &dcdid);
if (ret) {
fprintf(stderr,
"#%i ERR: Incorrect DCD block ID!\n",
cmd->lineno);
goto err;
}
while (dctx) {
if (dctx->id == dcdid)
break;
dctx = dctx->dcd;
}
if (!dctx) {
fprintf(stderr, "#%i ERR: DCD block %08x not found!\n",
cmd->lineno, dcdid);
goto err;
}
asize = roundup(dctx->size, SB_BLOCK_SIZE);
payload = calloc(1, asize);
if (!payload) {
ret = -ENOMEM;
goto err;
}
memcpy(payload, dctx->payload, dctx->size);
cctx->data = payload;
cctx->length = asize;
/* Set the Load DCD flag. */
dcd = ROM_LOAD_CMD_FLAG_DCD_LOAD;
} else {
/* Regular LOAD of a file. */
ret = sb_load_file(cctx, tok);
if (ret) {
fprintf(stderr, "#%i ERR: Cannot load '%s'!\n",
cmd->lineno, tok);
goto err;
}
}
if (cctx->length & (SB_BLOCK_SIZE - 1)) {
fprintf(stderr, "#%i ERR: Unaligned payload!\n",