* (C) Copyright 2000-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier: GPL-2.0+
********************************************************************
* NOTE: This header file defines an interface to U-Boot. Including
* this (unmodified) header file in another file is considered normal
#define __IMAGE_H__
#include "compiler.h"
+#include <asm/byteorder.h>
+
+/* Define this to avoid #ifdefs later on */
+struct lmb;
#ifdef USE_HOSTCC
#define CONFIG_OF_LIBFDT 1
#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
+#define IMAGE_ENABLE_IGNORE 0
+#define IMAGE_INDENT_STRING ""
+
#else
#include <lmb.h>
#include <asm/u-boot.h>
#include <command.h>
+/* Take notice of the 'ignore' property for hashes */
+#define IMAGE_ENABLE_IGNORE 1
+#define IMAGE_INDENT_STRING " "
+
#endif /* USE_HOSTCC */
#if defined(CONFIG_FIT)
-#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
-#define CONFIG_MD5 /* FIT images need MD5 support */
-#define CONFIG_SHA1 /* and SHA1 */
+# ifdef CONFIG_SPL_BUILD
+# ifdef CONFIG_SPL_CRC32_SUPPORT
+# define IMAGE_ENABLE_CRC32 1
+# endif
+# ifdef CONFIG_SPL_MD5_SUPPORT
+# define IMAGE_ENABLE_MD5 1
+# endif
+# ifdef CONFIG_SPL_SHA1_SUPPORT
+# define IMAGE_ENABLE_SHA1 1
+# endif
+# else
+# define CONFIG_CRC32 /* FIT images need CRC32 support */
+# define CONFIG_MD5 /* and MD5 */
+# define CONFIG_SHA1 /* and SHA1 */
+# define IMAGE_ENABLE_CRC32 1
+# define IMAGE_ENABLE_MD5 1
+# define IMAGE_ENABLE_SHA1 1
+# endif
+
+#ifndef IMAGE_ENABLE_CRC32
+#define IMAGE_ENABLE_CRC32 0
+#endif
+
+#ifndef IMAGE_ENABLE_MD5
+#define IMAGE_ENABLE_MD5 0
+#endif
+
+#ifndef IMAGE_ENABLE_SHA1
+#define IMAGE_ENABLE_SHA1 0
+#endif
+
+#endif /* CONFIG_FIT */
+
+#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+# define IMAGE_ENABLE_RAMDISK_HIGH 1
+#else
+# define IMAGE_ENABLE_RAMDISK_HIGH 0
+#endif
+
+#ifdef CONFIG_OF_LIBFDT
+# define IMAGE_ENABLE_OF_LIBFDT 1
+#else
+# define IMAGE_ENABLE_OF_LIBFDT 0
+#endif
+
+#ifdef CONFIG_SYS_BOOT_GET_CMDLINE
+# define IMAGE_BOOT_GET_CMDLINE 1
+#else
+# define IMAGE_BOOT_GET_CMDLINE 0
+#endif
+
+#ifdef CONFIG_OF_BOARD_SETUP
+# define IMAAGE_OF_BOARD_SETUP 1
+#else
+# define IMAAGE_OF_BOARD_SETUP 0
#endif
/*
#define IH_OS_UNITY 20 /* Unity OS */
#define IH_OS_INTEGRITY 21 /* INTEGRITY */
#define IH_OS_OSE 22 /* OSE */
+#define IH_OS_PLAN9 23 /* Plan 9 */
/*
* CPU Architecture Codes (supported by Linux)
#define IH_ARCH_BLACKFIN 16 /* Blackfin */
#define IH_ARCH_AVR32 17 /* AVR32 */
#define IH_ARCH_ST200 18 /* STMicroelectronics ST200 */
+#define IH_ARCH_SANDBOX 19 /* Sandbox architecture (test only) */
+#define IH_ARCH_NDS32 20 /* ANDES Technology - NDS32 */
+#define IH_ARCH_OPENRISC 21 /* OpenRISC 1000 */
/*
* Image Types
#define IH_TYPE_FLATDT 8 /* Binary Flat Device Tree Blob */
#define IH_TYPE_KWBIMAGE 9 /* Kirkwood Boot Image */
#define IH_TYPE_IMXIMAGE 10 /* Freescale IMXBoot Image */
+#define IH_TYPE_UBLIMAGE 11 /* Davinci UBL Image */
+#define IH_TYPE_OMAPIMAGE 12 /* TI OMAP Config Header Image */
+#define IH_TYPE_AISIMAGE 13 /* TI Davinci AIS Image */
+#define IH_TYPE_KERNEL_NOLOAD 14 /* OS Kernel Image, can run from any load address */
+#define IH_TYPE_PBLIMAGE 15 /* Freescale PBL Boot Image */
/*
* Compression Types
#define IH_MAGIC 0x27051956 /* Image Magic Number */
#define IH_NMLEN 32 /* Image Name Length */
+/* Reused from common.h */
+#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1))
+
/*
* Legacy format image header,
* all data in network byte order (aka natural aka bigendian).
*/
typedef struct image_header {
- uint32_t ih_magic; /* Image Header Magic Number */
- uint32_t ih_hcrc; /* Image Header CRC Checksum */
- uint32_t ih_time; /* Image Creation Timestamp */
- uint32_t ih_size; /* Image Data Size */
- uint32_t ih_load; /* Data Load Address */
- uint32_t ih_ep; /* Entry Point Address */
- uint32_t ih_dcrc; /* Image Data CRC Checksum */
+ __be32 ih_magic; /* Image Header Magic Number */
+ __be32 ih_hcrc; /* Image Header CRC Checksum */
+ __be32 ih_time; /* Image Creation Timestamp */
+ __be32 ih_size; /* Image Data Size */
+ __be32 ih_load; /* Data Load Address */
+ __be32 ih_ep; /* Entry Point Address */
+ __be32 ih_dcrc; /* Image Data CRC Checksum */
uint8_t ih_os; /* Operating System */
uint8_t ih_arch; /* CPU architecture */
uint8_t ih_type; /* Image Type */
ulong rd_start, rd_end;/* ramdisk start/end */
-#ifdef CONFIG_OF_LIBFDT
char *ft_addr; /* flat dev tree address */
-#endif
ulong ft_len; /* length of flat device tree */
ulong initrd_start;
int verify; /* getenv("verify")[0] != 'n' */
#define BOOTM_STATE_START (0x00000001)
-#define BOOTM_STATE_LOADOS (0x00000002)
-#define BOOTM_STATE_RAMDISK (0x00000004)
-#define BOOTM_STATE_FDT (0x00000008)
-#define BOOTM_STATE_OS_CMDLINE (0x00000010)
-#define BOOTM_STATE_OS_BD_T (0x00000020)
-#define BOOTM_STATE_OS_PREP (0x00000040)
-#define BOOTM_STATE_OS_GO (0x00000080)
+#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)
int state;
#ifdef CONFIG_LMB
#endif
} bootm_headers_t;
+extern bootm_headers_t images;
+
/*
* Some systems (for example LWMON) have very short watchdog periods;
* we must make sure to split long operations like memmove() or
*/
char *get_table_entry_name(const table_entry_t *table, char *msg, int id);
-const char *genimg_get_os_name (uint8_t os);
-const char *genimg_get_arch_name (uint8_t arch);
-const char *genimg_get_type_name (uint8_t type);
-const char *genimg_get_comp_name (uint8_t comp);
-int genimg_get_os_id (const char *name);
-int genimg_get_arch_id (const char *name);
-int genimg_get_type_id (const char *name);
-int genimg_get_comp_id (const char *name);
-void genimg_print_size (uint32_t size);
+const char *genimg_get_os_name(uint8_t os);
+const char *genimg_get_arch_name(uint8_t arch);
+const char *genimg_get_type_name(uint8_t type);
+const char *genimg_get_comp_name(uint8_t comp);
+int genimg_get_os_id(const char *name);
+int genimg_get_arch_id(const char *name);
+int genimg_get_type_id(const char *name);
+int genimg_get_comp_id(const char *name);
+void genimg_print_size(uint32_t size);
+
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \
+ defined(USE_HOSTCC)
+#define IMAGE_ENABLE_TIMESTAMP 1
+#else
+#define IMAGE_ENABLE_TIMESTAMP 0
+#endif
+void genimg_print_time(time_t timestamp);
+
+/* What to do with a image load address ('load = <> 'in the FIT) */
+enum fit_load_op {
+ FIT_LOAD_IGNORED, /* Ignore load address */
+ FIT_LOAD_OPTIONAL, /* Can be provided, but optional */
+ FIT_LOAD_REQUIRED, /* Must be provided */
+};
#ifndef USE_HOSTCC
/* Image format types, returned by _get_format() routine */
#define IMAGE_FORMAT_LEGACY 0x01 /* legacy image_header based format */
#define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */
-int genimg_get_format (void *img_addr);
-int genimg_has_config (bootm_headers_t *images);
-ulong genimg_get_image (ulong img_addr);
+int genimg_get_format(const void *img_addr);
+int genimg_has_config(bootm_headers_t *images);
+ulong genimg_get_image(ulong img_addr);
-int boot_get_ramdisk (int argc, char * const argv[], bootm_headers_t *images,
+int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
uint8_t arch, ulong *rd_start, ulong *rd_end);
+/**
+ * fit_image_load() - load an image from a FIT
+ *
+ * This deals with all aspects of loading an image from a FIT, including
+ * selecting the right image based on configuration, verifying it, printing
+ * out progress messages, checking the type/arch/os and optionally copying it
+ * to the right load address.
+ *
+ * @param images Boot images structure
+ * @param prop_name Property name to look up (FIT_..._PROP)
+ * @param addr Address of FIT in memory
+ * @param fit_unamep On entry this is the requested image name
+ * (e.g. "kernel@1") or NULL to use the default. On exit
+ * points to the selected image name
+ * @param fit_uname_configp On entry this is the requested configuration
+ * 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
+ * IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD
+ * also.
+ * @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()
+ * @param load_op Decribes what to do with the load address
+ * @param datap Returns address of loaded image
+ * @param lenp Returns length of loaded image
+ */
+int fit_image_load(bootm_headers_t *images, const char *prop_name, ulong addr,
+ const char **fit_unamep, const char **fit_uname_configp,
+ int arch, int image_type, int bootstage_id,
+ enum fit_load_op load_op, ulong *datap, ulong *lenp);
-#ifdef CONFIG_OF_LIBFDT
-int boot_get_fdt (int flag, int argc, char * const argv[], bootm_headers_t *images,
- char **of_flat_tree, ulong *of_size);
+/**
+ * fit_get_node_from_config() - Look up an image a FIT by type
+ *
+ * This looks in the selected conf@ node (images->fit_uname_cfg) for a
+ * particular image type (e.g. "kernel") and then finds the image that is
+ * referred to.
+ *
+ * For example, for something like:
+ *
+ * images {
+ * kernel@1 {
+ * ...
+ * };
+ * };
+ * configurations {
+ * conf@1 {
+ * kernel = "kernel@1";
+ * };
+ * };
+ *
+ * the function will return the node offset of the kernel@1 node, assuming
+ * that conf@1 is the chosen configuration.
+ *
+ * @param images Boot images structure
+ * @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 boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
+ bootm_headers_t *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);
-#endif
+int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
-#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
-int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
+int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
ulong *initrd_start, ulong *initrd_end);
-#endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
-#ifdef CONFIG_SYS_BOOT_GET_CMDLINE
-int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
-#endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
+int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
#ifdef CONFIG_SYS_BOOT_GET_KBD
-int boot_get_kbd (struct lmb *lmb, bd_t **kbd);
+int boot_get_kbd(struct lmb *lmb, bd_t **kbd);
#endif /* CONFIG_SYS_BOOT_GET_KBD */
#endif /* !USE_HOSTCC */
/*******************************************************************/
/* Legacy format specific code (prefixed with image_) */
/*******************************************************************/
-static inline uint32_t image_get_header_size (void)
+static inline uint32_t image_get_header_size(void)
{
- return (sizeof (image_header_t));
+ return (sizeof(image_header_t));
}
#define image_get_hdr_l(f) \
static inline uint32_t image_get_##f(const image_header_t *hdr) \
{ \
- return uimage_to_cpu (hdr->ih_##f); \
+ return uimage_to_cpu(hdr->ih_##f); \
}
-image_get_hdr_l (magic) /* image_get_magic */
-image_get_hdr_l (hcrc) /* image_get_hcrc */
-image_get_hdr_l (time) /* image_get_time */
-image_get_hdr_l (size) /* image_get_size */
-image_get_hdr_l (load) /* image_get_load */
-image_get_hdr_l (ep) /* image_get_ep */
-image_get_hdr_l (dcrc) /* image_get_dcrc */
+image_get_hdr_l(magic) /* image_get_magic */
+image_get_hdr_l(hcrc) /* image_get_hcrc */
+image_get_hdr_l(time) /* image_get_time */
+image_get_hdr_l(size) /* image_get_size */
+image_get_hdr_l(load) /* image_get_load */
+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) \
{ \
return hdr->ih_##f; \
}
-image_get_hdr_b (os) /* image_get_os */
-image_get_hdr_b (arch) /* image_get_arch */
-image_get_hdr_b (type) /* image_get_type */
-image_get_hdr_b (comp) /* image_get_comp */
+image_get_hdr_b(os) /* image_get_os */
+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 image_header_t *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 image_header_t *hdr)
{
- return image_get_size (hdr);
+ return image_get_size(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 image_header_t *hdr)
{
- return ((ulong)hdr + image_get_header_size ());
+ 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 image_header_t *hdr)
{
- return (image_get_size (hdr) + image_get_header_size ());
+ 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 image_header_t *hdr)
{
- return ((ulong)hdr + image_get_image_size (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) \
{ \
- hdr->ih_##f = cpu_to_uimage (val); \
+ hdr->ih_##f = cpu_to_uimage(val); \
}
-image_set_hdr_l (magic) /* image_set_magic */
-image_set_hdr_l (hcrc) /* image_set_hcrc */
-image_set_hdr_l (time) /* image_set_time */
-image_set_hdr_l (size) /* image_set_size */
-image_set_hdr_l (load) /* image_set_load */
-image_set_hdr_l (ep) /* image_set_ep */
-image_set_hdr_l (dcrc) /* image_set_dcrc */
+image_set_hdr_l(magic) /* image_set_magic */
+image_set_hdr_l(hcrc) /* image_set_hcrc */
+image_set_hdr_l(time) /* image_set_time */
+image_set_hdr_l(size) /* image_set_size */
+image_set_hdr_l(load) /* image_set_load */
+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) \
{ \
hdr->ih_##f = val; \
}
-image_set_hdr_b (os) /* image_set_os */
-image_set_hdr_b (arch) /* image_set_arch */
-image_set_hdr_b (type) /* image_set_type */
-image_set_hdr_b (comp) /* image_set_comp */
+image_set_hdr_b(os) /* image_set_os */
+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(image_header_t *hdr, const char *name)
{
- strncpy (image_get_name (hdr), name, IH_NMLEN);
+ 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 image_header_t *hdr);
+int image_check_dcrc(const image_header_t *hdr);
#ifndef USE_HOSTCC
-int getenv_yesno (char *var);
ulong getenv_bootm_low(void);
phys_size_t getenv_bootm_size(void);
phys_size_t getenv_bootm_mapsize(void);
-void memmove_wd (void *to, void *from, size_t len, ulong chunksz);
+void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
#endif
-static inline int image_check_magic (const image_header_t *hdr)
+static inline int image_check_magic(const image_header_t *hdr)
{
- return (image_get_magic (hdr) == IH_MAGIC);
+ 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 image_header_t *hdr, uint8_t type)
{
- return (image_get_type (hdr) == 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 image_header_t *hdr, uint8_t arch)
{
- return (image_get_arch (hdr) == arch);
+ return (image_get_arch(hdr) == arch);
}
-static inline int image_check_os (const image_header_t *hdr, uint8_t os)
+static inline int image_check_os(const image_header_t *hdr, uint8_t os)
{
- return (image_get_os (hdr) == 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 image_header_t *hdr);
+void image_multi_getimg(const image_header_t *hdr, ulong idx,
ulong *data, ulong *len);
-void image_print_contents (const void *hdr);
+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 image_header_t *hdr)
{
-#if defined(__ARM__)
- if (!image_check_arch (hdr, IH_ARCH_ARM))
-#elif defined(__avr32__)
- if (!image_check_arch (hdr, IH_ARCH_AVR32))
-#elif defined(__bfin__)
- if (!image_check_arch (hdr, IH_ARCH_BLACKFIN))
-#elif defined(__I386__)
- if (!image_check_arch (hdr, IH_ARCH_I386))
-#elif defined(__M68K__)
- if (!image_check_arch (hdr, IH_ARCH_M68K))
-#elif defined(__microblaze__)
- if (!image_check_arch (hdr, IH_ARCH_MICROBLAZE))
-#elif defined(__mips__)
- if (!image_check_arch (hdr, IH_ARCH_MIPS))
-#elif defined(__nios2__)
- if (!image_check_arch (hdr, IH_ARCH_NIOS2))
-#elif defined(__PPC__)
- if (!image_check_arch (hdr, IH_ARCH_PPC))
-#elif defined(__sh__)
- if (!image_check_arch (hdr, IH_ARCH_SH))
-#elif defined(__sparc__)
- if (!image_check_arch (hdr, IH_ARCH_SPARC))
-#else
-# error Unknown CPU type
+#ifndef IH_ARCH_DEFAULT
+# error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h"
#endif
- return 0;
-
- return 1;
+ return image_check_arch(hdr, IH_ARCH_DEFAULT);
}
#endif /* USE_HOSTCC */
+/**
+ * Set up properties in the FDT
+ *
+ * This sets up properties in the FDT that is to be passed to linux.
+ *
+ * @images: Images information
+ * @blob: FDT to update
+ * @of_size: Size of the FDT
+ * @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 of_size, struct lmb *lmb);
+
+/**
+ * Set up the FDT to use for booting a kernel
+ *
+ * This performs ramdisk setup, sets up the FDT if required, and adds
+ * paramters to the FDT if libfdt is available.
+ *
+ * @param images Images information
+ * @return 0 if ok, <0 on failure
+ */
+int image_setup_linux(bootm_headers_t *images);
+
+/**
+ * bootz_setup() - Extract stat and size of a Linux xImage
+ *
+ * @image: Address of image
+ * @start: Returns start address of image
+ * @end : Returns end address of image
+ * @return 0 if OK, 1 if the image was not recognised
+ */
+int bootz_setup(ulong image, ulong *start, ulong *end);
+
+
/*******************************************************************/
/* New uImage format specific code (prefixed with fit_) */
/*******************************************************************/
#define FIT_IMAGES_PATH "/images"
#define FIT_CONFS_PATH "/configurations"
-/* hash node */
+/* hash/signature node */
#define FIT_HASH_NODENAME "hash"
#define FIT_ALGO_PROP "algo"
#define FIT_VALUE_PROP "value"
+#define FIT_IGNORE_PROP "uboot-ignore"
+#define FIT_SIG_NODENAME "signature"
/* image node */
#define FIT_DATA_PROP "data"
#define FIT_MAX_HASH_LEN 20 /* max(crc32_len(4), sha1_len(20)) */
/* cmdline argument format parsing */
-inline int fit_parse_conf (const char *spec, ulong addr_curr,
+int fit_parse_conf(const char *spec, ulong addr_curr,
ulong *addr, const char **conf_name);
-inline int fit_parse_subimage (const char *spec, ulong addr_curr,
+int fit_parse_subimage(const char *spec, ulong addr_curr,
ulong *addr, const char **image_name);
-void fit_print_contents (const void *fit);
-void fit_image_print (const void *fit, int noffset, const char *p);
-void fit_image_print_hash (const void *fit, int noffset, const char *p);
+void fit_print_contents(const void *fit);
+void fit_image_print(const void *fit, int noffset, const char *p);
/**
* fit_get_end - get FIT image size
* returns:
* size of the FIT image (blob) in memory
*/
-static inline ulong fit_get_size (const void *fit)
+static inline ulong fit_get_size(const void *fit)
{
- return fdt_totalsize (fit);
+ return fdt_totalsize(fit);
}
/**
* returns:
* end address of the FIT image (blob) in memory
*/
-static inline ulong fit_get_end (const void *fit)
+static inline ulong fit_get_end(const void *fit)
{
- return (ulong)fit + fdt_totalsize (fit);
+ return (ulong)fit + fdt_totalsize(fit);
}
/**
* NULL, on error
* pointer to node name, on success
*/
-static inline const char *fit_get_name (const void *fit_hdr,
+static inline const char *fit_get_name(const void *fit_hdr,
int noffset, int *len)
{
- return fdt_get_name (fit_hdr, noffset, len);
+ return fdt_get_name(fit_hdr, noffset, len);
}
-int fit_get_desc (const void *fit, int noffset, char **desc);
-int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp);
-
-int fit_image_get_node (const void *fit, const char *image_uname);
-int fit_image_get_os (const void *fit, int noffset, uint8_t *os);
-int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch);
-int fit_image_get_type (const void *fit, int noffset, uint8_t *type);
-int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp);
-int fit_image_get_load (const void *fit, int noffset, ulong *load);
-int fit_image_get_entry (const void *fit, int noffset, ulong *entry);
-int fit_image_get_data (const void *fit, int noffset,
+int fit_get_desc(const void *fit, int noffset, char **desc);
+int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp);
+
+int fit_image_get_node(const void *fit, const char *image_uname);
+int fit_image_get_os(const void *fit, int noffset, uint8_t *os);
+int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch);
+int fit_image_get_type(const void *fit, int noffset, uint8_t *type);
+int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp);
+int fit_image_get_load(const void *fit, int noffset, ulong *load);
+int fit_image_get_entry(const void *fit, int noffset, ulong *entry);
+int fit_image_get_data(const void *fit, int noffset,
const void **data, size_t *size);
-int fit_image_hash_get_algo (const void *fit, int noffset, char **algo);
-int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value,
+int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
+int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
int *value_len);
-int fit_set_timestamp (void *fit, int noffset, time_t timestamp);
-int fit_set_hashes (void *fit);
-int fit_image_set_hashes (void *fit, int image_noffset);
-int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value,
- int value_len);
+int fit_set_timestamp(void *fit, int noffset, time_t timestamp);
-int fit_image_check_hashes (const void *fit, int noffset);
-int fit_all_image_check_hashes (const void *fit);
-int fit_image_check_os (const void *fit, int noffset, uint8_t os);
-int fit_image_check_arch (const void *fit, int noffset, uint8_t arch);
-int fit_image_check_type (const void *fit, int noffset, uint8_t type);
-int fit_image_check_comp (const void *fit, int noffset, uint8_t comp);
-int fit_check_format (const void *fit);
+/**
+ * fit_add_verification_data() - add verification data to FIT image nodes
+ *
+ * @keydir: Directory containing keys
+ * @kwydest: FDT blob to write public key information to
+ * @fit: Pointer to the FIT format image header
+ * @comment: Comment to add to signature nodes
+ * @require_keys: Mark all keys as 'required'
+ *
+ * Adds hash values for all component images in the FIT blob.
+ * Hashes are calculated for all component images which have hash subnodes
+ * with algorithm property set to one of the supported hash algorithms.
+ *
+ * Also add signatures if signature nodes are present.
+ *
+ * returns
+ * 0, on success
+ * libfdt error code, on failure
+ */
+int fit_add_verification_data(const char *keydir, void *keydest, void *fit,
+ const char *comment, int require_keys);
-int fit_conf_get_node (const void *fit, const char *conf_uname);
-int fit_conf_get_kernel_node (const void *fit, int noffset);
-int fit_conf_get_ramdisk_node (const void *fit, int noffset);
-int fit_conf_get_fdt_node (const void *fit, int noffset);
+int fit_image_verify(const void *fit, int noffset);
+int fit_config_verify(const void *fit, int conf_noffset);
+int fit_all_image_verify(const void *fit);
+int fit_image_check_os(const void *fit, int noffset, uint8_t os);
+int fit_image_check_arch(const void *fit, int noffset, uint8_t arch);
+int fit_image_check_type(const void *fit, int noffset, uint8_t type);
+int fit_image_check_comp(const void *fit, int noffset, uint8_t comp);
+int fit_check_format(const void *fit);
-void fit_conf_print (const void *fit, int noffset, const char *p);
+int fit_conf_find_compat(const void *fit, const void *fdt);
+int fit_conf_get_node(const void *fit, const char *conf_uname);
-#ifndef USE_HOSTCC
-static inline int fit_image_check_target_arch (const void *fdt, int node)
-{
-#if defined(__ARM__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_ARM))
-#elif defined(__avr32__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_AVR32))
-#elif defined(__bfin__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_BLACKFIN))
-#elif defined(__I386__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_I386))
-#elif defined(__M68K__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_M68K))
-#elif defined(__microblaze__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_MICROBLAZE))
-#elif defined(__mips__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_MIPS))
-#elif defined(__nios2__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_NIOS2))
-#elif defined(__PPC__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_PPC))
-#elif defined(__sh__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_SH))
-#elif defined(__sparc__)
- if (!fit_image_check_arch (fdt, node, IH_ARCH_SPARC))
+/**
+ * fit_conf_get_prop_node() - Get node refered to by a configuration
+ * @fit: FIT to check
+ * @noffset: Offset of conf@xxx node to check
+ * @prop_name: Property to read from the conf node
+ *
+ * The conf@ nodes contain references to other nodes, using properties
+ * like 'kernel = "kernel@1"'. Given such a property name (e.g. "kernel"),
+ * return the offset of the node referred to (e.g. offset of node
+ * "/images/kernel@1".
+ */
+int fit_conf_get_prop_node(const void *fit, int noffset,
+ const char *prop_name);
+
+void fit_conf_print(const void *fit, int noffset, const char *p);
+
+int fit_check_ramdisk(const void *fit, int os_noffset,
+ uint8_t arch, int verify);
+
+int calculate_hash(const void *data, int data_len, const char *algo,
+ uint8_t *value, int *value_len);
+
+/*
+ * At present we only support signing on the host, and verification on the
+ * device
+ */
+#if defined(CONFIG_FIT_SIGNATURE)
+# ifdef USE_HOSTCC
+# define IMAGE_ENABLE_SIGN 1
+# define IMAGE_ENABLE_VERIFY 0
+#else
+# define IMAGE_ENABLE_SIGN 0
+# define IMAGE_ENABLE_VERIFY 1
+# endif
+#else
+# define IMAGE_ENABLE_SIGN 0
+# define IMAGE_ENABLE_VERIFY 0
+#endif
+
+#ifdef USE_HOSTCC
+# define gd_fdt_blob() NULL
+#else
+# define gd_fdt_blob() (gd->fdt_blob)
+#endif
+
+#ifdef CONFIG_FIT_BEST_MATCH
+#define IMAGE_ENABLE_BEST_MATCH 1
#else
-# error Unknown CPU type
+#define IMAGE_ENABLE_BEST_MATCH 0
#endif
- return 0;
- return 1;
+/* Information passed to the signing routines */
+struct image_sign_info {
+ const char *keydir; /* Directory conaining keys */
+ const char *keyname; /* Name of key to use */
+ void *fit; /* Pointer to FIT blob */
+ int node_offset; /* Offset of signature node */
+ struct image_sig_algo *algo; /* Algorithm information */
+ const void *fdt_blob; /* FDT containing public keys */
+ int required_keynode; /* Node offset of key to use: -1=any */
+ const char *require_keys; /* Value for 'required' property */
+};
+
+/* A part of an image, used for hashing */
+struct image_region {
+ const void *data;
+ int size;
+};
+
+struct image_sig_algo {
+ const char *name; /* Name of algorithm */
+
+ /**
+ * sign() - calculate and return signature for given input data
+ *
+ * @info: Specifies key and FIT information
+ * @data: Pointer to the input data
+ * @data_len: Data length
+ * @sigp: Set to an allocated buffer holding the signature
+ * @sig_len: Set to length of the calculated hash
+ *
+ * This computes input data signature according to selected algorithm.
+ * Resulting signature value is placed in an allocated buffer, the
+ * pointer is returned as *sigp. The length of the calculated
+ * signature is returned via the sig_len pointer argument. The caller
+ * should free *sigp.
+ *
+ * @return: 0, on success, -ve on error
+ */
+ int (*sign)(struct image_sign_info *info,
+ const struct image_region region[],
+ int region_count, uint8_t **sigp, uint *sig_len);
+
+ /**
+ * add_verify_data() - Add verification information to FDT
+ *
+ * Add public key information to the FDT node, suitable for
+ * verification at run-time. The information added depends on the
+ * algorithm being used.
+ *
+ * @info: Specifies key and FIT information
+ * @keydest: Destination FDT blob for public key data
+ * @return: 0, on success, -ve on error
+ */
+ int (*add_verify_data)(struct image_sign_info *info, void *keydest);
+
+ /**
+ * verify() - Verify a signature against some data
+ *
+ * @info: Specifies key and FIT information
+ * @data: Pointer to the input data
+ * @data_len: Data length
+ * @sig: Signature
+ * @sig_len: Number of bytes in signature
+ * @return 0 if verified, -ve on error
+ */
+ int (*verify)(struct image_sign_info *info,
+ const struct image_region region[], int region_count,
+ uint8_t *sig, uint sig_len);
+};
+
+/**
+ * image_get_sig_algo() - Look up a signature algortihm
+ *
+ * @param name Name of algorithm
+ * @return pointer to algorithm information, or NULL if not found
+ */
+struct image_sig_algo *image_get_sig_algo(const char *name);
+
+/**
+ * fit_image_verify_required_sigs() - Verify signatures marked as 'required'
+ *
+ * @fit: FIT to check
+ * @image_noffset: Offset of image node to check
+ * @data: Image data to check
+ * @size: Size of image data
+ * @sig_blob: FDT containing public keys
+ * @no_sigsp: Returns 1 if no signatures were required, and
+ * therefore nothing was checked. The caller may wish
+ * to fall back to other mechanisms, or refuse to
+ * boot.
+ * @return 0 if all verified ok, <0 on error
+ */
+int fit_image_verify_required_sigs(const void *fit, int image_noffset,
+ const char *data, size_t size, const void *sig_blob,
+ int *no_sigsp);
+
+/**
+ * fit_image_check_sig() - Check a single image signature node
+ *
+ * @fit: FIT to check
+ * @noffset: Offset of signature node to check
+ * @data: Image data to check
+ * @size: Size of image data
+ * @required_keynode: Offset in the control FDT of the required key node,
+ * if any. If this is given, then the image wil not
+ * pass verification unless that key is used. If this is
+ * -1 then any signature will do.
+ * @err_msgp: In the event of an error, this will be pointed to a
+ * help error string to display to the user.
+ * @return 0 if all verified ok, <0 on error
+ */
+int fit_image_check_sig(const void *fit, int noffset, const void *data,
+ size_t size, int required_keynode, char **err_msgp);
+
+/**
+ * fit_region_make_list() - Make a list of regions to hash
+ *
+ * Given a list of FIT regions (offset, size) provided by libfdt, create
+ * a list of regions (void *, size) for use by the signature creationg
+ * and verification code.
+ *
+ * @fit: FIT image to process
+ * @fdt_regions: Regions as returned by libfdt
+ * @count: Number of regions returned by libfdt
+ * @region: Place to put list of regions (NULL to allocate it)
+ * @return pointer to list of regions, or NULL if out of memory
+ */
+struct image_region *fit_region_make_list(const void *fit,
+ struct fdt_region *fdt_regions, int count,
+ struct image_region *region);
+
+static inline int fit_image_check_target_arch(const void *fdt, int node)
+{
+ return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT);
}
-#endif /* USE_HOSTCC */
#ifdef CONFIG_FIT_VERBOSE
-#define fit_unsupported(msg) printf ("! %s:%d " \
+#define fit_unsupported(msg) printf("! %s:%d " \
"FIT images not supported for '%s'\n", \
__FILE__, __LINE__, (msg))
-#define fit_unsupported_reset(msg) printf ("! %s:%d " \
+#define fit_unsupported_reset(msg) printf("! %s:%d " \
"FIT images not supported for '%s' " \
"- must reset board to recover!\n", \
__FILE__, __LINE__, (msg))