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Changes

TSEC (view source)

Revision as of 18:10, 25 August 2020

524 bytes added ,  18:10, 25 August 2020
no edit summary
Line 3,574: Line 3,574:  
|-
 
|-
 
| 10
 
| 10
−
| Enable the [[#LOAD|LOAD]] interface
+
| Enable the [[#LOAD|LOAD]] block's interface
 
|-
 
|-
 
| 12
 
| 12
−
| Enable the [[#STORE|STORE]] interface
+
| Enable the [[#STORE|STORE]] block's interface
 
|-
 
|-
 
| 14
 
| 14
−
| Enable the [[#CMD|CMD]] interface
+
| Enable the [[#CMD|CMD]] block's interface
 
|-
 
|-
 
| 16
 
| 16
Line 3,595: Line 3,595:  
|-
 
|-
 
| 0
 
| 0
−
| Clear all [[#SEQ|SEQ]] block's instructions
+
| Clear [[#SEQ|SEQ]] block's pipeline
 
|-
 
|-
 
| 8
 
| 8
−
| Unknown
+
| Clear the main [[#SCP|SCP]] pipeline
 
|-
 
|-
 
| 11
 
| 11
Line 3,607: Line 3,607:  
|-
 
|-
 
| 16
 
| 16
−
| Enable [[#LOAD|LOAD]] interface's dummy mode (all reads return 0)
+
| Enable [[#LOAD|LOAD]] block's interface dummy mode (all reads return 0)
 
|-
 
|-
 
| 20
 
| 20
−
| Enable [[#LOAD|LOAD]] interface bypassing (all reads are dropped)
+
| Enable [[#LOAD|LOAD]] block's interface bypassing (all reads are dropped)
 
|-
 
|-
 
| 24
 
| 24
−
| Enable [[#STORE|STORE]] interface bypassing (all writes are dropped)
+
| Enable [[#STORE|STORE]] block's interface bypassing (all writes are dropped)
 
|}
 
|}
   Line 3,675: Line 3,675:  
|-
 
|-
 
| 4
 
| 4
−
| Unknown
+
| [[#AES|AES]] block's endianness
 +
0: Little
 +
1: Big
 
|-
 
|-
 
| 8
 
| 8
−
| Flush the [[#CMD|CMD]] interface
+
| Flush [[#CMD|CMD]] block's pipeline
 
|-
 
|-
 
| 12-13
 
| 12-13
Line 3,766: Line 3,768:  
|-
 
|-
 
| 19-22
 
| 19-22
−
| [[#LOAD|LOAD]] interface's pipeline size
+
| [[#LOAD|LOAD]] block's pipeline size
 
|-
 
|-
 
| 23
 
| 23
−
| [[#LOAD|LOAD]] interface's current instruction is valid
+
| [[#LOAD|LOAD]] block's current operation is valid
 
|-
 
|-
 
| 24
 
| 24
−
| [[#LOAD|LOAD]] interface is running in HS mode
+
| [[#LOAD|LOAD]] block is running in HS mode
 
|-
 
|-
 
| 25-26
 
| 25-26
−
| [[#STORE|STORE]] interface's pipeline size
+
| [[#STORE|STORE]] block's pipeline size
 
|-
 
|-
 
| 30
 
| 30
−
| [[#STORE|STORE]] interface's current instruction is valid
+
| [[#STORE|STORE]] block's current operation is valid
 
|-
 
|-
 
| 31
 
| 31
−
| [[#STORE|STORE]] interface is running in HS mode
+
| [[#STORE|STORE]] block is running in HS mode
 
|}
 
|}
   Line 3,862: Line 3,864:  
|-
 
|-
 
| 28
 
| 28
−
| [[#CMD|CMD]] interface's current instruction is valid
+
| [[#CMD|CMD]] block's current instruction is valid
 
|-
 
|-
 
| 31
 
| 31
−
| [[#CMD|CMD]] interface is running in HS mode
+
| [[#CMD|CMD]] block is running in HS mode
 
|}
 
|}
   Line 3,879: Line 3,881:  
|-
 
|-
 
| 2
 
| 2
−
| [[#CMD|CMD]] interface is active
+
| [[#CMD|CMD]] block's interface is active
 
|-
 
|-
 
| 4
 
| 4
−
| [[#STORE|STORE]] interface is active
+
| [[#STORE|STORE]] block's interface is active
 
|-
 
|-
 
| 6
 
| 6
Line 3,891: Line 3,893:  
|-
 
|-
 
| 10
 
| 10
−
| [[#LOAD|LOAD]] interface is active
+
| [[#LOAD|LOAD]] block's interface is active
 
|-
 
|-
 
| 14
 
| 14
Line 3,915: Line 3,917:  
|-
 
|-
 
| 4
 
| 4
−
| [[#LOAD|LOAD]] interface is running in HS mode
+
| [[#LOAD|LOAD]] block's interface is running in HS mode
 
|-
 
|-
 
| 6
 
| 6
−
| [[#LOAD|LOAD]] interface is ready
+
| [[#LOAD|LOAD]] block's interface is ready
 
|-
 
|-
 
| 8
 
| 8
−
| [[#STORE|STORE]] interface is running in HS mode
+
| [[#STORE|STORE]] block's interface is running in HS mode
 
|-
 
|-
 
| 10
 
| 10
−
| [[#STORE|STORE]] interface received a valid instruction
+
| [[#STORE|STORE]] block's interface received a valid operation
 
|-
 
|-
 
| 12
 
| 12
−
| [[#CMD|CMD]] interface is running in HS mode
+
| [[#CMD|CMD]] block's interface is running in HS mode
 
|-
 
|-
 
| 14
 
| 14
−
| [[#CMD|CMD]] interface received a valid instruction
+
| [[#CMD|CMD]] block's interface received a valid instruction
 
|}
 
|}
   Line 3,941: Line 3,943:  
|-
 
|-
 
| 0-4
 
| 0-4
−
| Current SEQ opcode
+
| Current [[#SEQ|SEQ]] block opcode
 
|-
 
|-
 
| 5-9
 
| 5-9
−
| Current CMD opcode
+
| Current [[#CMD|CMD]] block's interface opcode
 
|-
 
|-
 
| 10-14
 
| 10-14
−
| Pending CMD opcode
+
| Pending [[#CMD|CMD]] block opcode
 
|-
 
|-
 
| 15-16
 
| 15-16
−
| AES operation
+
| Current [[#AES|AES]] block operation
 
  0: Encryption
 
  0: Encryption
 
  1: Decryption
 
  1: Decryption
Line 3,960: Line 3,962:  
|-
 
|-
 
| 25
 
| 25
−
| STORE operation is stalled
+
| [[#STORE|STORE]] block is stalled
 
|-
 
|-
 
| 26
 
| 26
−
| LOAD operation is stalled
+
| [[#LOAD|LOAD]] block is stalled
 
|-
 
|-
 
| 27
 
| 27
−
| RNG operation is stalled
+
| [[#RNG|RNG]] block is stalled
 
|-
 
|-
 
| 28
 
| 28
Line 3,972: Line 3,974:  
|-
 
|-
 
| 29
 
| 29
−
| AES operation is stalled
+
| [[#AES|AES]] block is stalled
 
|}
 
|}
   Line 3,983: Line 3,985:  
|-
 
|-
 
| 0
 
| 0
−
| Internal RND controller is ready
+
| [[#RND|RND]] block is ready
 
|-
 
|-
 
| 4-7
 
| 4-7
Line 4,016: Line 4,018:  
|-
 
|-
 
| 0
 
| 0
−
| RND ready
+
| [[#RND|RND]] ready
 
|-
 
|-
 
| 8
 
| 8
Line 4,025: Line 4,027:  
|-
 
|-
 
| 16
 
| 16
−
| CMD error
+
| [[#CMD|CMD]] error
 
|-
 
|-
 
| 20
 
| 20
Line 4,031: Line 4,033:  
|-
 
|-
 
| 24
 
| 24
−
| RND operation
+
| [[#RND|RND]] operation
 
|-
 
|-
 
| 28
 
| 28
Line 4,045: Line 4,047:  
|-
 
|-
 
| 0
 
| 0
−
| RND ready
+
| [[#RND|RND]] ready
 
|-
 
|-
 
| 8
 
| 8
Line 4,054: Line 4,056:  
|-
 
|-
 
| 16
 
| 16
−
| CMD error
+
| [[#CMD|CMD]] error
 
|-
 
|-
 
| 20
 
| 20
Line 4,060: Line 4,062:  
|-
 
|-
 
| 24
 
| 24
−
| RND operation
+
| [[#RND|RND]] operation
 
|-
 
|-
 
| 28
 
| 28
Line 4,133: Line 4,135:  
|-
 
|-
 
| 0
 
| 0
−
| Invalid command
+
| Invalid [[#CMD|CMD]] command
 
|-
 
|-
 
| 4
 
| 4
−
| Empty crypto sequence
+
| Empty [[#SEQ|SEQ]] sequence
 
|-
 
|-
 
| 8
 
| 8
−
| Crypto sequence is too long
+
| [[#SEQ|SEQ]] sequence is too long
 
|-
 
|-
 
| 12
 
| 12
−
| Crypto sequence was not finished
+
| [[#SEQ|SEQ]] sequence was not finished
 
|-
 
|-
 
| 16
 
| 16
Line 4,162: Line 4,164:  
|-
 
|-
 
| 0-31
 
| 0-31
−
| RND clock trigger lower limit
+
| [[#RND|RND]] clock trigger lower limit
 
|}
 
|}
   Line 4,171: Line 4,173:  
|-
 
|-
 
| 0-15
 
| 0-15
−
| RND clock trigger upper limit
+
| [[#RND|RND]] clock trigger upper limit
 
|-
 
|-
 
| 16-31
 
| 16-31
−
| RND clock trigger mask
+
| [[#RND|RND]] clock trigger mask
 
|}
 
|}
   Line 4,591: Line 4,593:     
Controls the Activity Monitor. Disconnected on the TSEC.
 
Controls the Activity Monitor. Disconnected on the TSEC.
−
      
=== TSEC_TFBIF_ACTMON_MCB_MASK ===
 
=== TSEC_TFBIF_ACTMON_MCB_MASK ===
Line 4,884: Line 4,885:  
| 0-7 || Start of region to authenticate (in pages of 0x100 bytes)
 
| 0-7 || Start of region to authenticate (in pages of 0x100 bytes)
 
|-
 
|-
−
| 16 || Mark all subsequent code transfers as secret
+
| 16 || Force secure DMA transfers
 
|-
 
|-
 
| 17 || Decrypt region to authenticate
 
| 17 || Decrypt region to authenticate
Line 4,957: Line 4,958:     
==== LOAD ====
 
==== LOAD ====
−
Interface for handling memory reads from SCP to Falcon.
+
Block for handling memory reads from SCP to Falcon. It communicates with Falcon over a dedicated interface.
   −
Can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
+
The interface can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
    
==== STORE ====
 
==== STORE ====
−
Interface for handling memory writes from Falcon to SCP.
+
Block for handling memory writes from Falcon to SCP. It communicates with Falcon over a dedicated interface.
   −
Can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
+
The interface can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
    
==== CMD ====
 
==== CMD ====
−
Interface for translating Falcon crypto operands into SCP commands.
+
Block for translating Falcon crypto operands into SCP commands. It communicates with Falcon over a dedicated interface.
   −
Can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]] and reports the status of the current command through register [[#TSEC_SCP_CMD|TSEC_SCP_CMD]].
+
The interface can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]]. The status of the current command is reported through register [[#TSEC_SCP_CMD|TSEC_SCP_CMD]].
    
==== SEQ ====
 
==== SEQ ====
−
Configurable block for recording and executing sequences of crypto operations in the form of macros.
+
Block for recording and executing sequences of crypto operations in the form of macros.
    
Can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
 
Can be enabled or disabled by register [[#TSEC_SCP_CTL0|TSEC_SCP_CTL0]].
Retrieved from "https://switchbrew.org/wiki/Special:MobileDiff/9925"