Secure Monitor
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Secure Monitor Calls
The secure monitor provides two top level handlers of which each provides a range of sub handlers.
Secure Monitor Calls follow the ARM SMC calling convention:
| Bit number | Bit mask | Description |
|---|---|---|
| 31 | 0x80000000 | Set to 0 means Yielding Call; Set to 1 means Fast Call. |
| 30 | 0x40000000 | Set to 0 means SMC32 convention; Set to 1 means SMC64. |
| 29-24 | 0x3F000000 | Service Call ranges. |
| 23-16 | 0x00FF0000 | Must be zero. |
| 15-0 | 0x0000FFFF | Function number within the range call type. |
Id 0
Cryptography related functions.
| Sub-Id | Name | In | Out |
|---|---|---|---|
| 0xC3000401 | SetConfig | ||
| 0xC3000002 | GetConfig (Same as Id 1 Sub-Id 4.) | ||
| 0xC3000003 | CheckStatus_5_9_F_10 | ||
| 0xC3000404 | GetResult_5_9_F_10 | ||
| 0xC3000E05 | ExpMod | ||
| 0xC3000006 | PrngX931 (Same as Id 1 Sub-Id 5.) | ||
| 0xC3000007 | Keygen7 | ||
| 0xC3000008 | SetKeyslotFromXY | ||
| 0xC3000009 | SymmetricCrypto | ||
| 0xC300000A | KeygenA | ||
| 0xC300040B | CMAC | ||
| 0xC300100C | ImportParamsFor10 | ||
| 0xC300100D | DecryptExpModParams | ||
| 0xC300100E | ImportParamsForF | ||
| 0xC300060F | ExpMod | ||
| 0xC3000610 | ExpMod | ||
| 0xC3000011 | SetKeyslotFromX | ||
| 0xC3000012 | Keygen12 |
Id 1
General and power related functions.
| Sub-Id | Name | In | Out |
|---|---|---|---|
| 0xC4000001 | CPU_SUSPEND (oyasumi) | ||
| 0x84000002 | CPU_OFF | ||
| 0xC4000003 | CPU_ON | ||
| 0xC3000004 | GetConfig (Same as Id 0 Sub-Id 2.) | ||
| 0xC3000005 | PrngX931 (Same as Id 0 Sub-Id 6.) | ||
| 0xC3000006 | Panic | ||
| 0xC3000007 | |||
| 0xC3000008 | ReadWriteRegister |