a5305c05df
fix bug in context_gcc.s and start_gcc.s:
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save mie into stack
msh running normaly
2017-07-31 10:59:59 +08:00
d9c0bdc70e
add plic_driver.c for global interrupt
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change interrupt num to 53
change stack size to 512 before system starup
add uart drivers
open msh
remain bug:
uart just interrupt ones
2017-07-30 22:36:12 +08:00
20f1a641d5
remove unused code for uart in led.c
2017-07-30 20:07:36 +08:00
b032dff161
fix bug in rt_hw_context_switch_interrupt_do
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save sp to old thread
clear rt_thread_switch_interrupt_flag
always enable interrupt after rt_hw_context_switch
judeg the type of interrupt in trap_entry, then call handler(Machine timer interrupt of Machine external interrupt)
2017-07-30 19:46:28 +08:00
2d56a27c20
修改： ../../libcpu/risc-v/e310/context_gcc.S
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enable interrupt after return form rt_hw_context_switch
2017-07-30 15:34:32 +08:00
3c51848d33
fix trap_entry
2017-07-29 15:37:20 +08:00
b80f83f360
modified: ../../libcpu/risc-v/e310/context_gcc.S
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fix open timer intrrupt
2017-07-26 16:27:54 +08:00
98a6896cfa
remove "csrrc a5, mstatus, MSTATUS_MIE" in rt_hw_interrupt_enable();
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it will lead to interrupt again in interrupt
2017-07-26 16:07:01 +08:00
b334347a24
deleted: rtthread.s /*just for debug*/
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modified: ../../libcpu/risc-v/e310/context_gcc.S
change ret to mret and switch to new task with mepc
2017-07-17 16:55:33 +08:00
e01455155a
add context_gcc.s
2017-07-17 15:44:00 +08:00
f147f3398a
new bsp for risc-v
2017-07-16 20:37:03 +08:00
zhangjun