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| 0x04
| 0x04
|-
|-
| TSEC_SCP_UNK5
| [[#TSEC_SCP_UNK5|TSEC_SCP_UNK5]]
| 0x54501430
| 0x54501430
| 0x04
| 0x04
| TSEC_SCP_UNK10
| TSEC_SCP_UNK10
| 0x54501490
| 0x54501490
| 0x04
|-
| [[#TSEC_SCP_UNK11|TSEC_SCP_UNK11]]
| 0x54501498
| 0x04
| 0x04
|-
|-
| 5
| 5
| FALCON_CPUCTL_STOPPED
| FALCON_CPUCTL_STOPPED
|-
| 6
| FALCON_CPUCTL_SCP_UNK
|}
|}
| TSEC_SCP_CTL_PKEY_LOADED
| TSEC_SCP_CTL_PKEY_LOADED
|}
|}
=== TSEC_SCP_UNK5 ===
{| class="wikitable" border="1"
! Bits
! Description
|-
| 0-7
| Crypto destination register
|-
| 8-15
| Crypto source register
|-
| 16-31
| Crypto operation
|}
Contains information on the last crypto instruction executed.
=== TSEC_SCP_UNK11 ===
{| class="wikitable" border="1"
! Bits
! Description
|-
| 24
| Set by fuc5 cchmod instruction
|}
Contains information on crypto register's permissions.
=== TSEC_TFBIF_MCCIF_FIFOCTRL ===
=== TSEC_TFBIF_MCCIF_FIFOCTRL ===
load_keygen(key_buf, key_version, is_blob_dec);
load_keygen(key_buf, key_version, is_blob_dec);
// Partially unknown fuc5 instruction
// fuc5 crypt cchmod instruction
// Likely forces a change of permissions
// Resets the ACL bits
cchmod(c0, c0);
cchmod();
// Clear all crypto registers and propagate permissions
// Clear all crypto registers
cxor(c0, c0);
cxor(c0, c0);
cxor(c1, c1);
cxor(c1, c1);
cxor(c7, c7);
cxor(c7, c7);
// Partially unknown fuc5 instruction
// fuc5 crypt cchmod instruction
// Likely forces a change of permissions
// Resets the ACL bits
cchmod(c0, c0);
cchmod();
// Jump to Payload
// Jump to Payload
=== Unknown Instructions ===
=== Unknown Instructions ===
<code>00000000: f5 3c XY e0 cchmod $cY $cX</code> - likely forces a change of permissions.
<code>00000000: f5 3c 00 e0 cchmod</code> - resets all crypto register's permissions.
<code>00000000: f5 3c XY a8 c_unk0 $cY $cX</code> - unknown crypto operation.
<code>00000000: f5 3c XY a8 c_unk0 $cY $cX</code> - unknown crypto operation.