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l4ka-pistachio
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Initialze pingpong memory early

This commit is contained in:
Jan Stoess 2010-07-14 16:36:15 +02:00
parent cc01ddbda0
commit 9f39952c3b
1 changed files with 8 additions and 8 deletions
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14
user/apps/bench/pingpong/pingpong.cc
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@ -96,7 +96,7 @@ bool tbuf, hsched;
if (tbuf) L4_Tbuf_RecordEvent (1, args);
#else
#define Dprintf(...)
#define Dprintf(x...)
#endif
L4_ThreadId_t s0tid, roottid, pager_tid, ping_tid, pong_tid;
@ -443,12 +443,6 @@ int main (void)
kip_area = L4_FpageLog2 ((L4_Word_t) kip, L4_KipAreaSizeLog2 (kip));
#endif
// We need a maximum of two threads per task
utcb_area = L4_FpageLog2 ((L4_Word_t) UTCB_ADDRESS,
L4_UtcbAreaSizeLog2 (kip) + 1);
Dprintf ("kip_area = %lx, utcb_area = %lx, utcb_size = %lx\n",
kip_area.raw, utcb_area.raw, utcb_size);
// Touch the memory to make sure we never get pagefaults
extern L4_Word_t _end, _start;
for (L4_Word_t * x = (&_start); x < &_end; x++)
@ -457,6 +451,12 @@ int main (void)
q = *(volatile L4_Word_t*) x;
}
// We need a maximum of two threads per task
utcb_area = L4_FpageLog2 ((L4_Word_t) UTCB_ADDRESS,
L4_UtcbAreaSizeLog2 (kip) + 1);
Dprintf ("kip_area = %lx, utcb_area = %lx, utcb_size = %lx\n",
kip_area.raw, utcb_area.raw, utcb_size);
// Create pager
pager_tid = L4_GlobalId (L4_ThreadNo (roottid) + 1, 2);
ping_tid = L4_GlobalId (L4_ThreadNo (roottid) + 2, 2);