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Switch ok with debug mode apps, implement sys_exit correctly later.

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Yifan Wu 2020-11-29 01:31:36 +08:00
parent 4e8059e222
commit 3f3e6b2b99
16 changed files with 244 additions and 147 deletions
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3
os/src/trap/trap.S
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@ -38,9 +38,6 @@ __alltraps:
call trap_handler
__restore:
# case1: start running app by __restore
# case2: back to U after handling trap
mv sp, a0
# now sp->kernel stack(after allocated), sscratch->user stack
# restore sstatus/sepc
ld t0, 32*8(sp)