Renesas M3T-MR100 用户手册
- 168 -
5.12 System Status Management Function
Table 5.23 List of System Status Management Function Service Call
System State
No. Service
Call
Function
T
N
E
D
U
L
1 rot_rdq [S][B]
O
O O
O
2 irot_rdq [S][B]
Rotates task precedence
O O O
O
3 get_tid [S][B]
O
O O
O
4 iget_tid [S]
References task ID in the RUNNING state
O O O
O
5 loc_cpu [S][B]
O
O O
O
O
6 iloc_cpu [S]
Locks the CPU
O O O
O
O
7 unl_cpu [S][B]
O
O O
O
O
8 iunl_cpu [S]
Unlocks the CPU
O O O
O
O
9 dis_dsp [S][B]
Disables dispatching
O
O
O
O
10 ena_dsp [S][B]
Enables dispatching
O
O
O
O
11 sns_ctx [S]
References context
O
O
O
O
O
12 sns_loc [S]
References CPU state
O
O
O
O
O
13 sns_dsp [S]
References dispatching state
O
O
O
O
O
14 sns_dpn [S]
References dispatching pending state
O
O
O
O
O
Notes:
•
[S]: Standard profile service calls
[B]: Basic profile service calls
[B]: Basic profile service calls
•
Each sign within " System State " is a following meaning.
♦ T: Can be called from task context
♦ N: Can be called from non-task context
♦ E: Can be called from dispatch-enabled state
♦ D: Can be called from dispatch-disabled state
♦ U: Can be called from CPU-unlocked state
♦ L: Can be called from CPU-locked state