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#define STARTUP_HDR_FLAGS1_VIRTUAL        (1 << 0)
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#define STARTUP_HDR_FLAGS1_VIRTUAL        (1 << 0)
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#define STARTUP_HDR_FLAGS1_BIGENDIAN      (1 << 1)
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#define STARTUP_HDR_FLAGS1_BIGENDIAN      (1 << 1)
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//#define STARTUP_HDR_FLAGS1_COMPRESS_MASK  0x1c
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//#define STARTUP_HDR_FLAGS1_COMPRESS_MASK  0x1c
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//#define STARTUP_HDR_FLAGS1_COMPRESS_SHIFT 0x02
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//#define STARTUP_HDR_FLAGS1_COMPRESS_SHIFT 0x02
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//#define STARTUP_HDR_FLAGS1_COMPRESS_NONE  0x00
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//#define STARTUP_HDR_FLAGS1_COMPRESS_NONE  0x00
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//#define STARTUP_HDR_FLAGS1_COMPRESS_ZLIB  0x04
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//#define STARTUP_HDR_FLAGS1_COMPRESS_ZLIB  0x04 // TODO: add this compression scheme with libz
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//#define STARTUP_HDR_FLAGS1_COMPRESS_LZO   0x08
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//#define STARTUP_HDR_FLAGS1_COMPRESS_LZO   0x08 // TODO: add this compression scheme with liblzo
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//#define STARTUP_HDR_FLAGS1_COMPRESS_UCL   0x0c
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//#define STARTUP_HDR_FLAGS1_COMPRESS_UCL   0x0c // TODO: add this compression scheme
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#define STARTUP_HDR_FLAGS1_TRAILER_V2     (1 << 5) // if set, then a struct startup_trailer_v2 follows the startup. If the image is compressed, then the compressed imagefs is followed by a struct image_trailer_v2
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#define STARTUP_HDR_FLAGS1_TRAILER_V2     (1 << 5) // if set, then a struct startup_trailer_v2 follows the startup. If the image is compressed, then the compressed imagefs is followed by a struct image_trailer_v2
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// bitmapped flags used in the flags member of the image header
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// bitmapped flags used in the flags member of the image header
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#define IMAGE_FLAGS_BIGENDIAN  (1 << 0) // header, trailer, dirents in big-endian format
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#define IMAGE_FLAGS_BIGENDIAN  (1 << 0) // header, trailer, dirents in big-endian format
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#define IMAGE_FLAGS_SORTED     (1 << 3) // dirent section is sorted (by pathname)
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#define IMAGE_FLAGS_SORTED     (1 << 3) // dirent section is sorted (by pathname)
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#define IMAGE_FLAGS_TRAILER_V2 (1 << 4) // image uses struct image_trailer_v2
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#define IMAGE_FLAGS_TRAILER_V2 (1 << 4) // image uses struct image_trailer_v2
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// bitmapped flags superposed to a filesystem entry's inode number
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// bitmapped flags superposed to a filesystem entry's inode number
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#define IFS_INO_PROCESSED_ELF 0x80000000
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#define IFS_INO_PROCESSED_ELF (1 << 31)
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#define IFS_INO_RUNONCE_ELF   0x40000000
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#define IFS_INO_RUNONCE_ELF   (1 << 30)
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#define IFS_INO_BOOTSTRAP_EXE 0x20000000
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#define IFS_INO_BOOTSTRAP_EXE (1 << 29)
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#if 0 // TODO: startup script compiler. Someday.
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// compiled boot script command types
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#define SCRIPT_FLAGS_EXTSCHED   0x01
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#define SCRIPTCMD_TYPE_EXTERNAL        "\x00"
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#define SCRIPT_FLAGS_SESSION    0x02
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#define SCRIPTCMD_TYPE_WAITFOR         "\x01"
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#define SCRIPT_FLAGS_SCHED_SET  0x04
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#define SCRIPTCMD_TYPE_REOPEN          "\x02"
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#define SCRIPT_FLAGS_CPU_SET    0x08
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#define SCRIPTCMD_TYPE_DISPLAY_MSG     "\x03"
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#define SCRIPT_FLAGS_BACKGROUND 0x20
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#define SCRIPTCMD_TYPE_PROCMGR_SYMLINK "\x04"
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#define SCRIPT_FLAGS_KDEBUG     0x40
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#define SCRIPTCMD_TYPE_EXTSCHED_APS    "\x05"
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#define SCRIPT_POLICY_NOCHANGE 0
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#define SCRIPT_POLICY_FIFO     1
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#define SCRIPT_POLICY_RR       2
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#define SCRIPT_POLICY_OTHER    3
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// compiled boot script external command flags
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#define SCRIPT_TYPE_EXTERNAL        0
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#define SCRIPTCMD_FLAG_EXTSCHED   (1 << 0)
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#define SCRIPT_TYPE_WAITFOR         1
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#define SCRIPTCMD_FLAG_SESSION    (1 << 1)
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#define SCRIPT_TYPE_REOPEN          2
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#define SCRIPTCMD_FLAG_SCHED_SET  (1 << 2)
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#define SCRIPT_TYPE_DISPLAY_MSG     3
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#define SCRIPTCMD_FLAG_CPU_SET    (1 << 3)
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#define SCRIPTCMD_FLAG_UNKNOWN1   (1 << 4) // ???
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#define SCRIPT_TYPE_PROCMGR_SYMLINK 4
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#define SCRIPTCMD_FLAG_BACKGROUND (1 << 5)
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#define SCRIPT_TYPE_EXTSCHED_APS    5
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#define SCRIPTCMD_FLAG_KDEBUG     (1 << 6)
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#define SCRIPTCMD_FLAG_UNKNOWN2   (1 << 7) // ???
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#define SCRIPT_CHECKS_MS 100
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#define SCRIPT_SCHED_EXT_NONE 0
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// compiled boot script external command scheduling policies
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#define SCRIPT_SCHED_EXT_APS  1
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#define SCRIPTCMD_SCHEDULERPOLICY_FIFO 1
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#define SCRIPT_APS_SYSTEM_PARTITION_ID   0
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#define SCRIPTCMD_SCHEDULERPOLICY_RR   2
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#define SCRIPT_APS_SYSTEM_PARTITION_NAME "System"
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#define SCRIPT_APS_PARTITION_NAME_LENGTH 15
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#define SCRIPT_APS_MAX_PARTITIONS        8
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START_OF_PACKED_STRUCT () // we need byte-alignment for this struct
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typedef PACKED (struct) bootscriptcmd_header_s
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{
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   uint16_t size; // size of cmd entry
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   uint8_t type;
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   uint8_t spare;
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} bootscriptcmd_header_t;
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END_OF_PACKED_STRUCT () // restore default alignment
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START_OF_PACKED_STRUCT () // we need byte-alignment for this struct
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typedef union bootscriptcmd_s
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{
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   PACKED (struct) script_external
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   {
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      bootscriptcmd_header_t hdr;
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      uint8_t cpu; // CPU (turn into runmask)
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      uint8_t flags;
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      union script_external_extsched
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      {
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         uint8_t reserved[2];
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         PACKED (struct)
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         {
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            uint8_t id;
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            uint8_t reserved[1];
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         } aps;
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      } extsched; // extended scheduler
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      uint8_t policy; // POLICY_FIFO, POLICY_RR, ...
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      uint8_t priority; // priority to run cmd at
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      uint8_t argc; // # of args
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      uint8_t envc; // # of environment entries
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      char args[0]; // executable, argv, envp (null padded to 32-bit align)
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   } external;
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   PACKED (struct) script_waitfor_reopen
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   {
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      bootscriptcmd_header_t hdr;
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      uint16_t checks;
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      char fname[0]; // char fname[] (null padded to 32-bit align)
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   } waitfor_reopen;
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   PACKED (struct) script_display_msg
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   {
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      bootscriptcmd_header_t hdr;
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      char msg[0]; // char msg[] (null padded to 32-bit align)
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   } display_msg;
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   PACKED (struct) script_procmgr_symlink
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   {
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      bootscriptcmd_header_t hdr;
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      char src_dest[0]; // <src_name>, '\0', <dest_name> '\0' (null padded to 32-bit align)
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   } procmgr_symlink;
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   PACKED (struct) script_extsched_aps
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   {
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      bootscriptcmd_header_t hdr;
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      uint8_t parent;
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      uint8_t budget;
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      uint16_t critical;
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      uint8_t id;
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      char pname[0]; // char pname[] (null padded to 32-bit align)
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   } extsched_aps;
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} bootscriptcmd_t;
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END_OF_PACKED_STRUCT () // restore default alignment
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#endif // 0
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START_OF_PACKED_STRUCT () // we need byte-alignment for this struct
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START_OF_PACKED_STRUCT () // we need byte-alignment for this struct
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typedef PACKED (struct) fsentry_s
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typedef PACKED (struct) fsentry_s
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{
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{