X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Fswitch.h;h=8a2974fcd999bafde09a9e46bfc274ad6dbde4dd;hb=8a7d29213915c9ccb975f4710e17aa9ac6194121;hp=c285e78164971d5dd7e011d0356599be0d32f328;hpb=76a72158378a6447bb3dbce5bae41db48da0d64f;p=pintos-anon diff --git a/src/threads/switch.h b/src/threads/switch.h index c285e78..8a2974f 100644 --- a/src/threads/switch.h +++ b/src/threads/switch.h @@ -2,8 +2,8 @@ #define HEADER_SWITCH_H 1 #ifndef __ASSEMBLER__ -/* thread_switch()'s stack frame. */ -struct switch_frame +/* switch_thread()'s stack frame. */ +struct switch_threads_frame { uint32_t ebx; /* 0: Saved %ebx. */ uint32_t ebp; /* 4: Saved %ebp. */ @@ -17,7 +17,18 @@ struct switch_frame /* Switches from CUR, which must be the running thread, to NEXT, which must also be running thread_switch(), returning CUR in NEXT's context. */ -struct thread *thread_switch (struct thread *cur, struct thread *next); +struct thread *switch_threads (struct thread *cur, struct thread *next); + +struct switch_entry_frame + { + void (*eip) (void); + }; + +void switch_entry (void); + +/* Pops the CUR and NEXT arguments off the stack, for use in + initializing threads. */ +void switch_thunk (void); #endif /* Offsets used by switch.S. */