From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/libthread/amd64.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 sys/src/libthread/amd64.c (limited to 'sys/src/libthread/amd64.c') diff --git a/sys/src/libthread/amd64.c b/sys/src/libthread/amd64.c new file mode 100755 index 000000000..c0b0e30e1 --- /dev/null +++ b/sys/src/libthread/amd64.c @@ -0,0 +1,26 @@ +#include +#include +#include +#include "threadimpl.h" + +/* first argument goes in a register; simplest just to ignore it */ +static void +launcheramd64(int, void (*f)(void *arg), void *arg) +{ + (*f)(arg); + threadexits(nil); +} + +void +_threadinitstack(Thread *t, void (*f)(void*), void *arg) +{ + uvlong *tos; + + tos = (uvlong*)&t->stk[t->stksize&~7]; + *--tos = (uvlong)arg; + *--tos = (uvlong)f; + *--tos = 0; /* first arg to launcheramd64 */ + t->sched[JMPBUFPC] = (uvlong)launcheramd64+JMPBUFDPC; + t->sched[JMPBUFSP] = (uvlong)tos - 2*8; /* old PC and new PC */ +} + -- cgit v1.2.3