MIPS: convert CONFIG_SYS_MIPS_TIMER_FREQ to Kconfig
[platform/kernel/u-boot.git] / include / image.h
index d7d756c..65d0d4f 100644 (file)
@@ -58,6 +58,7 @@ enum ih_category {
        IH_COMP,
        IH_OS,
        IH_TYPE,
+       IH_PHASE,
 
        IH_COUNT,
 };
@@ -184,8 +185,7 @@ enum {
  * New IDs *MUST* be appended at the end of the list and *NEVER*
  * inserted for backward compatibility.
  */
-
-enum {
+enum image_type_t {
        IH_TYPE_INVALID         = 0,    /* Invalid Image                */
        IH_TYPE_STANDALONE,             /* Standalone Program           */
        IH_TYPE_KERNEL,                 /* OS Kernel Image              */
@@ -252,6 +252,59 @@ enum {
        IH_COMP_COUNT,
 };
 
+/**
+ * Phases - images intended for particular U-Boot phases (SPL, etc.)
+ *
+ * @IH_PHASE_NONE: No phase information, can be loaded by any phase
+ * @IH_PHASE_U_BOOT: Only for U-Boot proper
+ * @IH_PHASE_SPL: Only for SPL
+ */
+enum image_phase_t {
+       IH_PHASE_NONE           = 0,
+       IH_PHASE_U_BOOT,
+       IH_PHASE_SPL,
+
+       IH_PHASE_COUNT,
+};
+
+#define IMAGE_PHASE_SHIFT      8
+#define IMAGE_PHASE_MASK       (0xff << IMAGE_PHASE_SHIFT)
+#define IMAGE_TYPE_MASK                0xff
+
+/**
+ * image_ph() - build a composite value combining and type
+ *
+ * @phase: Image phase value
+ * @type: Image type value
+ * Returns: Composite value containing both
+ */
+static inline int image_ph(enum image_phase_t phase, enum image_type_t type)
+{
+       return type | (phase << IMAGE_PHASE_SHIFT);
+}
+
+/**
+ * image_ph_phase() - obtain the phase from a composite phase/type value
+ *
+ * @image_ph_type: Composite value to convert
+ * Returns: Phase value taken from the composite value
+ */
+static inline int image_ph_phase(int image_ph_type)
+{
+       return (image_ph_type & IMAGE_PHASE_MASK) >> IMAGE_PHASE_SHIFT;
+}
+
+/**
+ * image_ph_type() - obtain the type from a composite phase/type value
+ *
+ * @image_ph_type: Composite value to convert
+ * Returns: Type value taken from the composite value
+ */
+static inline int image_ph_type(int image_ph_type)
+{
+       return image_ph_type & IMAGE_TYPE_MASK;
+}
+
 #define LZ4F_MAGIC     0x184D2204      /* LZ4 Magic Number             */
 #define IH_MAGIC       0x27051956      /* Image Magic Number           */
 #define IH_NMLEN               32      /* Image Name Length            */
@@ -263,7 +316,7 @@ enum {
  * Legacy format image header,
  * all data in network byte order (aka natural aka bigendian).
  */
-typedef struct image_header {
+struct legacy_img_hdr {
        uint32_t        ih_magic;       /* Image Header Magic Number    */
        uint32_t        ih_hcrc;        /* Image Header CRC Checksum    */
        uint32_t        ih_time;        /* Image Creation Timestamp     */
@@ -276,28 +329,28 @@ typedef struct image_header {
        uint8_t         ih_type;        /* Image Type                   */
        uint8_t         ih_comp;        /* Compression Type             */
        uint8_t         ih_name[IH_NMLEN];      /* Image Name           */
-} image_header_t;
+};
 
-typedef struct image_info {
+struct image_info {
        ulong           start, end;             /* start/end of blob */
        ulong           image_start, image_len; /* start of image within blob, len of image */
        ulong           load;                   /* load addr for the image */
        uint8_t         comp, type, os;         /* compression, type of image, os type */
        uint8_t         arch;                   /* CPU architecture */
-} image_info_t;
+};
 
 /*
  * Legacy and FIT format headers used by do_bootm() and do_bootm_<os>()
  * routines.
  */
-typedef struct bootm_headers {
+struct bootm_headers {
        /*
         * Legacy os image header, if it is a multi component image
         * then boot_get_ramdisk() and get_fdt() will attempt to get
         * data from second and third component accordingly.
         */
-       image_header_t  *legacy_hdr_os;         /* image header pointer */
-       image_header_t  legacy_hdr_os_copy;     /* header copy */
+       struct legacy_img_hdr   *legacy_hdr_os;         /* image header pointer */
+       struct legacy_img_hdr   legacy_hdr_os_copy;     /* header copy */
        ulong           legacy_hdr_valid;
 
        /*
@@ -324,7 +377,7 @@ typedef struct bootm_headers {
        int             fit_noffset_setup;/* x86 setup subimage node offset */
 
 #ifndef USE_HOSTCC
-       image_info_t    os;             /* os image info */
+       struct image_info       os;             /* os image info */
        ulong           ep;             /* entry point of OS */
 
        ulong           rd_start, rd_end;/* ramdisk start/end */
@@ -341,26 +394,32 @@ typedef struct bootm_headers {
 
        int             verify;         /* env_get("verify")[0] != 'n' */
 
-#define        BOOTM_STATE_START       (0x00000001)
-#define        BOOTM_STATE_FINDOS      (0x00000002)
-#define        BOOTM_STATE_FINDOTHER   (0x00000004)
-#define        BOOTM_STATE_LOADOS      (0x00000008)
-#define        BOOTM_STATE_RAMDISK     (0x00000010)
-#define        BOOTM_STATE_FDT         (0x00000020)
-#define        BOOTM_STATE_OS_CMDLINE  (0x00000040)
-#define        BOOTM_STATE_OS_BD_T     (0x00000080)
-#define        BOOTM_STATE_OS_PREP     (0x00000100)
-#define        BOOTM_STATE_OS_FAKE_GO  (0x00000200)    /* 'Almost' run the OS */
-#define        BOOTM_STATE_OS_GO       (0x00000400)
-#define        BOOTM_STATE_PRE_LOAD    0x00000800
+#define BOOTM_STATE_START      0x00000001
+#define BOOTM_STATE_FINDOS     0x00000002
+#define BOOTM_STATE_FINDOTHER  0x00000004
+#define BOOTM_STATE_LOADOS     0x00000008
+#define BOOTM_STATE_RAMDISK    0x00000010
+#define BOOTM_STATE_FDT                0x00000020
+#define BOOTM_STATE_OS_CMDLINE 0x00000040
+#define BOOTM_STATE_OS_BD_T    0x00000080
+#define BOOTM_STATE_OS_PREP    0x00000100
+#define BOOTM_STATE_OS_FAKE_GO 0x00000200      /* 'Almost' run the OS */
+#define BOOTM_STATE_OS_GO      0x00000400
+#define BOOTM_STATE_PRE_LOAD   0x00000800
        int             state;
 
 #if defined(CONFIG_LMB) && !defined(USE_HOSTCC)
        struct lmb      lmb;            /* for memory mgmt */
 #endif
-} bootm_headers_t;
+};
+
+#ifdef CONFIG_LMB
+#define images_lmb(_images)    (&(_images)->lmb)
+#else
+#define images_lmb(_images)    NULL
+#endif
 
-extern bootm_headers_t images;
+extern struct bootm_headers images;
 
 /*
  * Some systems (for example LWMON) have very short watchdog periods;
@@ -432,6 +491,22 @@ const char *genimg_get_os_short_name(uint8_t comp);
 const char *genimg_get_arch_name(uint8_t arch);
 
 /**
+ * genimg_get_phase_name() - Get the friendly name for a phase
+ *
+ * @phase: Phase value to look up
+ * Returns: Friendly name for the phase (e.g. "U-Boot phase")
+ */
+const char *genimg_get_phase_name(enum image_phase_t phase);
+
+/**
+ * genimg_get_phase_id() - Convert a phase name to an ID
+ *
+ * @name: Name to convert (e.g. "u-boot")
+ * Returns: ID for that phase (e.g. IH_PHASE_U_BOOT)
+ */
+int genimg_get_phase_id(const char *name);
+
+/**
  * genimg_get_arch_short_name() - get the short name for an architecture
  *
  * @param arch Architecture type (IH_ARCH_...)
@@ -524,7 +599,7 @@ enum fit_load_op {
        FIT_LOAD_REQUIRED,      /* Must be provided */
 };
 
-int boot_get_setup(bootm_headers_t *images, uint8_t arch, ulong *setup_start,
+int boot_get_setup(struct bootm_headers *images, uint8_t arch, ulong *setup_start,
                   ulong *setup_len);
 
 /* Image format types, returned by _get_format() routine */
@@ -538,11 +613,11 @@ ulong genimg_get_kernel_addr_fit(char * const img_addr,
                                 const char **fit_uname_kernel);
 ulong genimg_get_kernel_addr(char * const img_addr);
 int genimg_get_format(const void *img_addr);
-int genimg_has_config(bootm_headers_t *images);
+int genimg_has_config(struct bootm_headers *images);
 
-int boot_get_fpga(int argc, char *const argv[], bootm_headers_t *images,
+int boot_get_fpga(int argc, char *const argv[], struct bootm_headers *images,
                  uint8_t arch, const ulong *ld_start, ulong * const ld_len);
-int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
+int boot_get_ramdisk(int argc, char *const argv[], struct bootm_headers *images,
                     uint8_t arch, ulong *rd_start, ulong *rd_end);
 
 /**
@@ -566,10 +641,10 @@ int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
  *     0, if only valid images or no images are found
  *     error code, if an error occurs during fit_image_load
  */
-int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
+int boot_get_loadable(int argc, char *const argv[], struct bootm_headers *images,
                      uint8_t arch, const ulong *ld_start, ulong *const ld_len);
 
-int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
+int boot_get_setup_fit(struct bootm_headers *images, uint8_t arch,
                       ulong *setup_start, ulong *setup_len);
 
 /**
@@ -593,9 +668,9 @@ int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
  *
  * Return: node offset of base image, or -ve error code on error
  */
-int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
-                  const char **fit_unamep, const char **fit_uname_configp,
-                  int arch, ulong *datap, ulong *lenp);
+int boot_get_fdt_fit(struct bootm_headers *images, ulong addr,
+                    const char **fit_unamep, const char **fit_uname_configp,
+                    int arch, ulong *datap, ulong *lenp);
 
 /**
  * fit_image_load() - load an image from a FIT
@@ -616,9 +691,10 @@ int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
  *                     name (e.g. "conf-1") or NULL to use the default. On
  *                     exit points to the selected configuration name.
  * @param arch         Expected architecture (IH_ARCH_...)
- * @param image_type   Required image type (IH_TYPE_...). If this is
+ * @param image_ph_type        Required image type (IH_TYPE_...). If this is
  *                     IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD
- *                     also.
+ *                     also. If a phase is required, this is included also,
+ *                     see image_phase_and_type()
  * @param bootstage_id ID of starting bootstage to use for progress updates.
  *                     This will be added to the BOOTSTAGE_SUB values when
  *                     calling bootstage_mark()
@@ -627,9 +703,9 @@ int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
  * @param lenp         Returns length of loaded image
  * Return: node offset of image, or -ve error code on error
  */
-int fit_image_load(bootm_headers_t *images, ulong addr,
+int fit_image_load(struct bootm_headers *images, ulong addr,
                   const char **fit_unamep, const char **fit_uname_configp,
-                  int arch, int image_type, int bootstage_id,
+                  int arch, int image_ph_type, int bootstage_id,
                   enum fit_load_op load_op, ulong *datap, ulong *lenp);
 
 /**
@@ -671,11 +747,11 @@ int image_source_script(ulong addr, const char *fit_uname);
  * @param prop_name    Property name to look up (FIT_..._PROP)
  * @param addr         Address of FIT in memory
  */
-int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
-                       ulong addr);
+int fit_get_node_from_config(struct bootm_headers *images,
+                            const char *prop_name, ulong addr);
 
 int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
-                bootm_headers_t *images,
+                struct bootm_headers *images,
                 char **of_flat_tree, ulong *of_size);
 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob);
 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
@@ -690,11 +766,11 @@ int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd);
 /*******************************************************************/
 static inline uint32_t image_get_header_size(void)
 {
-       return (sizeof(image_header_t));
+       return sizeof(struct legacy_img_hdr);
 }
 
 #define image_get_hdr_l(f) \
-       static inline uint32_t image_get_##f(const image_header_t *hdr) \
+       static inline uint32_t image_get_##f(const struct legacy_img_hdr *hdr) \
        { \
                return uimage_to_cpu(hdr->ih_##f); \
        }
@@ -707,7 +783,7 @@ image_get_hdr_l(ep)         /* image_get_ep */
 image_get_hdr_l(dcrc)          /* image_get_dcrc */
 
 #define image_get_hdr_b(f) \
-       static inline uint8_t image_get_##f(const image_header_t *hdr) \
+       static inline uint8_t image_get_##f(const struct legacy_img_hdr *hdr) \
        { \
                return hdr->ih_##f; \
        }
@@ -716,12 +792,12 @@ image_get_hdr_b(arch)             /* image_get_arch */
 image_get_hdr_b(type)          /* image_get_type */
 image_get_hdr_b(comp)          /* image_get_comp */
 
-static inline char *image_get_name(const image_header_t *hdr)
+static inline char *image_get_name(const struct legacy_img_hdr *hdr)
 {
        return (char *)hdr->ih_name;
 }
 
-static inline uint32_t image_get_data_size(const image_header_t *hdr)
+static inline uint32_t image_get_data_size(const struct legacy_img_hdr *hdr)
 {
        return image_get_size(hdr);
 }
@@ -737,22 +813,23 @@ static inline uint32_t image_get_data_size(const image_header_t *hdr)
  * returns:
  *     image payload data start address
  */
-static inline ulong image_get_data(const image_header_t *hdr)
+static inline ulong image_get_data(const struct legacy_img_hdr *hdr)
 {
        return ((ulong)hdr + image_get_header_size());
 }
 
-static inline uint32_t image_get_image_size(const image_header_t *hdr)
+static inline uint32_t image_get_image_size(const struct legacy_img_hdr *hdr)
 {
        return (image_get_size(hdr) + image_get_header_size());
 }
-static inline ulong image_get_image_end(const image_header_t *hdr)
+
+static inline ulong image_get_image_end(const struct legacy_img_hdr *hdr)
 {
        return ((ulong)hdr + image_get_image_size(hdr));
 }
 
 #define image_set_hdr_l(f) \
-       static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
+       static inline void image_set_##f(struct legacy_img_hdr *hdr, uint32_t val) \
        { \
                hdr->ih_##f = cpu_to_uimage(val); \
        }
@@ -765,7 +842,7 @@ image_set_hdr_l(ep)         /* image_set_ep */
 image_set_hdr_l(dcrc)          /* image_set_dcrc */
 
 #define image_set_hdr_b(f) \
-       static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
+       static inline void image_set_##f(struct legacy_img_hdr *hdr, uint8_t val) \
        { \
                hdr->ih_##f = val; \
        }
@@ -774,13 +851,13 @@ image_set_hdr_b(arch)             /* image_set_arch */
 image_set_hdr_b(type)          /* image_set_type */
 image_set_hdr_b(comp)          /* image_set_comp */
 
-static inline void image_set_name(image_header_t *hdr, const char *name)
+static inline void image_set_name(struct legacy_img_hdr *hdr, const char *name)
 {
        strncpy(image_get_name(hdr), name, IH_NMLEN);
 }
 
-int image_check_hcrc(const image_header_t *hdr);
-int image_check_dcrc(const image_header_t *hdr);
+int image_check_hcrc(const struct legacy_img_hdr *hdr);
+int image_check_dcrc(const struct legacy_img_hdr *hdr);
 #ifndef USE_HOSTCC
 ulong env_get_bootm_low(void);
 phys_size_t env_get_bootm_size(void);
@@ -788,15 +865,17 @@ phys_size_t env_get_bootm_mapsize(void);
 #endif
 void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
 
-static inline int image_check_magic(const image_header_t *hdr)
+static inline int image_check_magic(const struct legacy_img_hdr *hdr)
 {
        return (image_get_magic(hdr) == IH_MAGIC);
 }
-static inline int image_check_type(const image_header_t *hdr, uint8_t type)
+
+static inline int image_check_type(const struct legacy_img_hdr *hdr, uint8_t type)
 {
        return (image_get_type(hdr) == type);
 }
-static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
+
+static inline int image_check_arch(const struct legacy_img_hdr *hdr, uint8_t arch)
 {
        /* Let's assume that sandbox can load any architecture */
        if (!tools_build() && IS_ENABLED(CONFIG_SANDBOX))
@@ -804,19 +883,20 @@ static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
        return (image_get_arch(hdr) == arch) ||
                (image_get_arch(hdr) == IH_ARCH_ARM && arch == IH_ARCH_ARM64);
 }
-static inline int image_check_os(const image_header_t *hdr, uint8_t os)
+
+static inline int image_check_os(const struct legacy_img_hdr *hdr, uint8_t os)
 {
        return (image_get_os(hdr) == os);
 }
 
-ulong image_multi_count(const image_header_t *hdr);
-void image_multi_getimg(const image_header_t *hdr, ulong idx,
+ulong image_multi_count(const struct legacy_img_hdr *hdr);
+void image_multi_getimg(const struct legacy_img_hdr *hdr, ulong idx,
                        ulong *data, ulong *len);
 
 void image_print_contents(const void *hdr);
 
 #ifndef USE_HOSTCC
-static inline int image_check_target_arch(const image_header_t *hdr)
+static inline int image_check_target_arch(const struct legacy_img_hdr *hdr)
 {
 #ifndef IH_ARCH_DEFAULT
 # error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h"
@@ -865,7 +945,7 @@ int image_decomp(int comp, ulong load, ulong image_start, int type,
  * @lmb:       Points to logical memory block structure
  * Return: 0 if ok, <0 on failure
  */
-int image_setup_libfdt(bootm_headers_t *images, void *blob,
+int image_setup_libfdt(struct bootm_headers *images, void *blob,
                       int of_size, struct lmb *lmb);
 
 /**
@@ -877,7 +957,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
  * @param images       Images information
  * Return: 0 if ok, <0 on failure
  */
-int image_setup_linux(bootm_headers_t *images);
+int image_setup_linux(struct bootm_headers *images);
 
 /**
  * bootz_setup() - Extract stat and size of a Linux xImage
@@ -945,6 +1025,7 @@ int booti_setup(ulong image, ulong *relocated_addr, ulong *size,
 #define FIT_FPGA_PROP          "fpga"
 #define FIT_FIRMWARE_PROP      "firmware"
 #define FIT_STANDALONE_PROP    "standalone"
+#define FIT_PHASE_PROP         "phase"
 
 #define FIT_MAX_HASH_LEN       HASH_MAX_DIGEST_SIZE
 
@@ -1196,6 +1277,47 @@ int fit_image_check_comp(const void *fit, int noffset, uint8_t comp);
  */
 int fit_check_format(const void *fit, ulong size);
 
+/**
+ * fit_conf_find_compat() - find most compatible configuration
+ * @fit: pointer to the FIT format image header
+ * @fdt: pointer to the device tree to compare against
+ *
+ * Attempts to find the configuration whose fdt is the most compatible with the
+ * passed in device tree
+ *
+ * Example::
+ *
+ *    / o image-tree
+ *      |-o images
+ *      | |-o fdt-1
+ *      | |-o fdt-2
+ *      |
+ *      |-o configurations
+ *        |-o config-1
+ *        | |-fdt = fdt-1
+ *        |
+ *        |-o config-2
+ *          |-fdt = fdt-2
+ *
+ *    / o U-Boot fdt
+ *      |-compatible = "foo,bar", "bim,bam"
+ *
+ *    / o kernel fdt1
+ *      |-compatible = "foo,bar",
+ *
+ *    / o kernel fdt2
+ *      |-compatible = "bim,bam", "baz,biz"
+ *
+ * Configuration 1 would be picked because the first string in U-Boot's
+ * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
+ * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
+ *
+ * As an optimization, the compatible property from the FDT's root node can be
+ * copied into the configuration node in the FIT image. This is required to
+ * match configurations with compressed FDTs.
+ *
+ * Returns: offset to the configuration to use if one was found, -1 otherwise
+ */
 int fit_conf_find_compat(const void *fit, const void *fdt);
 
 /**
@@ -1228,14 +1350,15 @@ int fit_conf_get_prop_node_index(const void *fit, int noffset,
  * @fit:       FIT to check
  * @noffset:   Offset of conf@xxx node to check
  * @prop_name: Property to read from the conf node
+ * @phase:     Image phase to use, IH_PHASE_NONE for any
  *
  * The conf- nodes contain references to other nodes, using properties
  * like 'kernel = "kernel"'. Given such a property name (e.g. "kernel"),
  * return the offset of the node referred to (e.g. offset of node
  * "/images/kernel".
  */
-int fit_conf_get_prop_node(const void *fit, int noffset,
-               const char *prop_name);
+int fit_conf_get_prop_node(const void *fit, int noffset, const char *prop_name,
+                          enum image_phase_t phase);
 
 int fit_check_ramdisk(const void *fit, int os_noffset,
                uint8_t arch, int verify);
@@ -1411,6 +1534,49 @@ struct crypto_algo *image_get_crypto_algo(const char *full_name);
  */
 struct padding_algo *image_get_padding_algo(const char *name);
 
+#define IMAGE_PRE_LOAD_SIG_MAGIC               0x55425348
+#define IMAGE_PRE_LOAD_SIG_OFFSET_MAGIC                0
+#define IMAGE_PRE_LOAD_SIG_OFFSET_IMG_LEN      4
+#define IMAGE_PRE_LOAD_SIG_OFFSET_SIG          8
+
+#define IMAGE_PRE_LOAD_PATH                    "/image/pre-load/sig"
+#define IMAGE_PRE_LOAD_PROP_ALGO_NAME          "algo-name"
+#define IMAGE_PRE_LOAD_PROP_PADDING_NAME       "padding-name"
+#define IMAGE_PRE_LOAD_PROP_SIG_SIZE           "signature-size"
+#define IMAGE_PRE_LOAD_PROP_PUBLIC_KEY         "public-key"
+#define IMAGE_PRE_LOAD_PROP_MANDATORY          "mandatory"
+
+/*
+ * Information in the device-tree about the signature in the header
+ */
+struct image_sig_info {
+       char *algo_name;        /* Name of the algo (eg: sha256,rsa2048) */
+       char *padding_name;     /* Name of the padding */
+       uint8_t *key;           /* Public signature key */
+       int key_len;            /* Length of the public key */
+       uint32_t sig_size;              /* size of the signature (in the header) */
+       int mandatory;          /* Set if the signature is mandatory */
+
+       struct image_sign_info sig_info; /* Signature info */
+};
+
+/*
+ * Header of the signature header
+ */
+struct sig_header_s {
+       uint32_t magic;
+       uint32_t version;
+       uint32_t header_size;
+       uint32_t image_size;
+       uint32_t offset_img_sig;
+       uint32_t flags;
+       uint32_t reserved0;
+       uint32_t reserved1;
+       uint8_t sha256_img_sig[SHA256_SUM_LEN];
+};
+
+#define SIG_HEADER_LEN                 (sizeof(struct sig_header_s))
+
 /**
  * image_pre_load() - Manage pre load header
  *