root/rt-thread @ 7f60fd9f8067f7405fffffa2884ca88692c7cf09

bernard.xiong a7c36ff98c fix rt_serial_read bug when there is no data in the buffer. -- found by freescale@stmsky.com		16 年之前
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arm	a7c36ff98c fix rt_serial_read bug when there is no data in the buffer. -- found by freescale@stmsky.com	16 年之前
ia32	4e399f6e90 fix bug in rt_hw_context_swicth	16 年之前
SConscript	2f55ad6e89 move more options to rtconfig.py	16 年之前