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edits
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| 0x0000
| 0x0000
| 0x210
| 0x210
| bad_block_table
| BadBlockTable
| Table containing information on bad blocks
| Table containing information on bad blocks
0x0000: num_entries (0x200)
0x0000: EntriesUsed (0x200)
0x0004: virtual_block_size (0x0F)
0x0004: VirtualBlockSizeLog2 (0x0F)
0x0005: block_size (0x0E)
0x0005: BlockSizeLog2 (0x0E)
0x0006: bad_blocks
0x0006: BadBlocks
0x0206: reserved
0x0206: Reserved
|-
|-
| 0x0210
| 0x0210
| 0x100
| 0x100
| bct_key
| Key
| BCT RSA key modulus
| BCT RSA public key's modulus
|-
|-
| 0x0310
| 0x0310
| 0x110
| 0x110
| bct_signature
| Signature
| BCT object signature
| BCT object signature
0x0310: hash (empty)
0x0310: CryptoHash (empty)
0x0320: rsa_pss_signature
0x0320: RsaPssSig
|-
|-
| 0x0420
| 0x0420
| 0x04
| 0x04
| sec_provisioning_key_num_insecure
| SecProvisioningKeyNumInsecure
| Used for Factory Secure Provisioning. Always 0.
| Used for Factory Secure Provisioning. Always 0.
|-
|-
| 0x0424
| 0x0424
| 0x20
| 0x20
| sec_provisioning_key
| SecProvisioningKey
| Used for Factory Secure Provisioning. Always empty.
| Used for Factory Secure Provisioning. Always empty.
|-
|-
| 0x0444
| 0x0444
| 0xC4
| 0xC4
| [[#customer_data|customer_data]]
| [[#CustomerData|CustomerData]]
| Data block available for the customer. Used in key generation.
| Data block available for the customer. Used in key generation.
0x0444: padding_0x0C
0x0444: Reserved (0x0C bytes)
0x0450: keyblob_0xB0
0x0450: [[Flash_Filesystem#Keyblob|Keyblob]] (0xB0 bytes)
0x0500: padding_0x08
0x0500: Reserved (0x08 bytes)
|-
|-
| 0x0508
| 0x0508
| 0x04
| 0x04
| odm_data
| OdmData
| Legacy field. Unused.
| Legacy field. Unused.
|-
|-
| 0x050C
| 0x050C
| 0x04
| 0x04
| reserved0
| Reserved
| Legacy field. Unused.
| Legacy field. Unused.
|-
|-
| 0x0510
| 0x0510
| 0x10
| 0x10
| random_aes_block
| RandomAesBlock
| Always empty.
| Always empty.
|-
|-
| 0x0520
| 0x0520
| 0x10
| 0x10
| unique_chip_id
| UniqueChipId
| Always empty.
| Always empty.
|-
|-
| 0x0530
| 0x0530
| 0x04
| 0x04
| boot_data_version
| BootDataVersion
| Set to 0x00210001 (BOOTDATA_VERSION_T210).
| Set to 0x00210001 (BOOTDATA_VERSION_T210).
|-
|-
| 0x0534
| 0x0534
| 0x04
| 0x04
| block_size_log2
| BlockSizeLog2
| Always 0x0E.
| Always 0x0E.
|-
|-
| 0x0538
| 0x0538
| 0x04
| 0x04
| page_size_log2
| PageSizeLog2
| Always 0x09.
| Always 0x09.
|-
|-
| 0x053C
| 0x053C
| 0x04
| 0x04
| partition_size
| PartitionSize
| Always 0x01000000.
| Always 0x01000000.
|-
|-
| 0x0540
| 0x0540
| 0x04
| 0x04
| num_param_sets
| NumParamSets
| Number of device parameter sets. Always 0x01.
| Number of device parameter sets. Always 0x01.
|-
|-
| 0x0544
| 0x0544
| 0x04
| 0x04
| dev_type
| DevType
| Device type. Set to 0x04 (dev_type_sdmmc).
| Device type. Set to 0x04 (dev_type_sdmmc).
|-
|-
| 0x0548
| 0x0548
| 0x40
| 0x40
| dev_params
| DevParams
| Device parameters
| Device parameters
0x0548: sdmmc_clock_divider (0x09 == 24MHz)
0x0548: sdmmc_clock_divider (0x09 == 24MHz)
0x054C: sdmmc_data_width (0x02 == sdmmc_data_width_8bit)
0x054C: sdmmc_data_width (0x02 == sdmmc_data_width_8bit)
| 0x0588
| 0x0588
| 0x04
| 0x04
| num_sdram_sets
| NumSdramSets
| Number of SDRAM parameter sets. Always set to 0, but parameters are used despite this.
| Number of SDRAM parameter sets. Always set to 0, but parameters are used despite this.
|-
|-
| 0x058C
| 0x058C
| 0x768
| 0x768
| sdram_params0
| SdramParams0
| Default values filled in.
| Default values filled in.
|-
|-
| 0x0CF4
| 0x0CF4
| 0x768
| 0x768
| sdram_params1
| SdramParams1
| Default values filled in.
| Default values filled in.
|-
|-
| 0x145C
| 0x145C
| 0x768
| 0x768
| sdram_params2
| SdramParams2
| Default values filled in.
| Default values filled in.
|-
|-
| 0x1BC4
| 0x1BC4
| 0x768
| 0x768
| sdram_params3
| SdramParams3
| Default values filled in.
| Default values filled in.
|-
|-
| 0x232C
| 0x232C
| 0x04
| 0x04
| num_bootloaders
| BootLoadersUsed
| Number of bootloaders installed. Always 0x02 (maximum is 0x04).
| Number of bootloaders installed. Always 0x02 (maximum is 0x04).
|-
|-
| 0x2330
| 0x2330
| 0x12C
| 0x12C
| [[#bootloader0_info|bootloader0_info]]
| [[#BootLoader0|BootLoader0]]
| Configuration parameters for bootloader 0 (normal).
| Configuration parameters for bootloader 0 (normal).
0x2330: version (variable)
0x2330: Version (variable)
0x2334: start_block (0x00000040)
0x2334: StartBlock (0x00000040)
0x2338: start_page (0x00000000)
0x2338: StartPage (0x00000000)
0x233C: length (variable)
0x233C: Length (variable)
0x2340: load_addr (0x40010000)
0x2340: LoadAddress (0x40010000)
0x2344: entry_point (0x40010020 for 1.0.0-3.0.2, 0x40010040 for 4.0.0+)
0x2344: EntryPoint (0x40010020 for 1.0.0-3.0.2, 0x40010040 for 4.0.0+)
0x2348: attribute (0x00000000)
0x2348: Attribute (0x00000000)
0x234C: bootloader0_hash (empty)
0x234C: CryptoHash (empty)
0x235C: bootloader0_rsa_pss_signature
0x235C: RsaPssSig
|-
|-
| 0x245C
| 0x245C
| 0x12C
| 0x12C
| bootloader1_info
| BootLoader1
| Configuration parameters for bootloader 1 (safe mode).
| Configuration parameters for bootloader 1 (safe mode).
0x245C: version (variable)
0x245C: Version (variable)
0x2460: start_block (0x00000050)
0x2460: StartBlock (0x00000050)
0x2464: start_page (0x00000000)
0x2464: StartPage (0x00000000)
0x2468: length (variable)
0x2468: Length (variable)
0x246C: load_addr (0x40010000)
0x246C: LoadAddress (0x40010000)
0x2470: entry_point (0x40010020 for 1.0.0-3.0.2, 0x40010040 for 4.0.0+)
0x2470: EntryPoint (0x40010020 for 1.0.0-3.0.2, 0x40010040 for 4.0.0+)
0x2474: attribute (0x00000000)
0x2474: Attribute (0x00000000)
0x2478: bootloader1_hash (empty)
0x2478: CryptoHash (empty)
0x2488: bootloader1_rsa_pss_signature
0x2488: RsaPssSig
|-
|-
| 0x2588
| 0x2588
| 0x258
| 0x12C
| reserved1
| BootLoader2
| Reserved space for bootloaders 2 and 3 (currently unused).
| Reserved space for bootloader 2 (unused).
|-
| 0x26B4
| 0x12C
| BootLoader3
| Reserved space for bootloader 3 (unused).
|-
|-
| 0x27E0
| 0x27E0
| 0x01
| 0x01
| enable_fail_back
| EnableFailBack
| Always 0.
| Always 0.
|-
|-
| 0x27E1
| 0x27E1
| 0x04
| 0x04
| secure_debug_control
| SecureJtagControl
| Always 0.
| Always 0.
|-
|-
| 0x27E5
| 0x27E5
| 0x04
| 0x04
| sec_provisioning_key_num_secure
| SecProvisioningKeyNumSecure
| Used for Factory Secure Provisioning. Always 0.
| Used for Factory Secure Provisioning. Always 0.
|-
|-
| 0x27E9
| 0x27E9
| 0x12
| 0x12
| reserved2
| Reserved
| Always starts with 0x80000000 (NVBOOT padding pattern).
| Always starts with 0x80000000 (NVBOOT padding pattern).
|-
|-
| 0x27FB
| 0x27FB
| 0x05
| 0x05
| padding
| Padding
| Empty. Not part of BCT data.
| Empty. Not part of BCT data.
|}
|}
== customer_data ==
== CustomerData ==
This data block is ignored by the boot ROM, therefore is available for the programmer to use freely.
This data block is ignored by the boot ROM, therefore is available for the programmer to use freely.
The Switch uses 0xB0 bytes of this area, at offset 0x0450, to store the active [[Flash_Filesystem#Keyblob|keyblob]]. All remaining bytes are zero.
The Switch uses 0xB0 bytes of this area, at offset 0x0450, to store the active [[Flash_Filesystem#Keyblob|keyblob]]. All remaining bytes are zero.
|}
|}
== bootloader0_info ==
== BootLoader0 ==
The version field controls which keyblob is used, where 0x01 is the first one. See [[Cryptosystem]] for the keyblobs used by each system-version.
The version field controls which keyblob is used, where 0x01 is the first one. See [[Cryptosystem]] for the keyblobs used by each system-version.