Commit Graph

6 Commits

Author SHA1 Message Date
明德无敌赵晓薇 d68220d866 [libcpu][c28x]Add __rt_ffs support
Use a native instruction "Count Sign Bits" to support fast ffs function, then add __rt_ffs support in C28x.
2019-07-03 19:31:54 +08:00
明德无敌赵晓薇 21d32cdb3a
[libcpu][C28x] Fix bugs of old c28x interrupt api which can not save and restore int status
In C28x DSP, interrupt status are stored in ST1 register. Both INTM and DBGM is used for masking interrupt, while the latter one is used in real-time debug mode. The origin function rudely enable and disable the interrupt without considering the recent interrupt status, which not only may cause  problem in some situation but also is not in conformity with rt-thread design specifications. The new api will fix this bug.
2019-06-18 20:59:00 +08:00
xuzhuoyi 752152b63e [bsp][tms320f28379d] Fix FPU config problem 2019-04-14 12:26:25 +08:00
xuzhuoyi 4acd8db61e [bsp][tms320f28379d] Add finsh init in rt_init_thread 2019-04-10 22:33:25 +08:00
Bernard Xiong bde47018b8 [libcpu] Add SConscript in libcpu. 2019-01-07 06:09:45 +08:00
xuzhuoyi 6c081947b5 [bsp][tms320f28379d] Classify c28x into ti-dsp 2018-11-24 17:41:55 +08:00