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#include "x86_64_regs.S"
.global context_switch
context_switch:
/* switch rsp to old task's %rsp */
/* save all old task's registers */
push_caller_saved
push_callee_saved
/* save old task's rsp & rip */
call schedule
/* get new task's rsp & rip */
/* restore all new task's registers */
pop_callee_saved
pop_caller_saved
iretq
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