Secure Monitor: Difference between revisions
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The secure monitor provides two top level handlers of which each provides a range of sub handlers. | 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: | |||
{| class=wikitable | |||
! 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 == | == Id 0 == | ||
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! Sub-Id || Name || In || Out | ! Sub-Id || Name || In || Out | ||
|- | |- | ||
| 0xC4000001 || oyasumi || || | | 0xC4000001 || CPU_SUSPEND (oyasumi) || || | ||
|- | |- | ||
| 0x84000002 || || || | | 0x84000002 || CPU_OFF || || | ||
|- | |- | ||
| 0xC4000003 || || || | | 0xC4000003 || CPU_ON || || | ||
|- | |- | ||
| 0xC3000004 || (Same as Id 0 Sub-Id 2.) || || | | 0xC3000004 || (Same as Id 0 Sub-Id 2.) || || | ||