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sys_ppu_thread_create: minimum stack size and stack allocation unit applied.

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luxsie 2015-02-18 23:56:46 +08:00
parent bf1e29e227
commit 73d9b58dfc
1 changed files with 9 additions and 0 deletions
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9
rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.cpp
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@ -162,6 +162,15 @@ PPUThread* ppu_thread_create(u32 entry, u64 arg, s32 prio, u32 stacksize, bool i
{ {
PPUThread& new_thread = *(PPUThread*)&Emu.GetCPU().AddThread(CPU_THREAD_PPU); PPUThread& new_thread = *(PPUThread*)&Emu.GetCPU().AddThread(CPU_THREAD_PPU);
// Note: I haven't figured out the minimum stack size of PPU Thread.
// Maybe it can be done with pthread_attr_getstacksize function.
// And i toke 4096 (PTHREAD_STACK_MIN, and the smallest allocation unit) for this.
if ((stacksize % 4096) || (stacksize == 0)) {
// If not times of smallest allocation unit, round it up to the nearest one.
// And regard zero as a same condition.
stacksize = 4096 * ((u32)(stacksize / 4096) + 1);
}
u32 id = new_thread.GetId(); u32 id = new_thread.GetId();
new_thread.SetEntry(entry); new_thread.SetEntry(entry);
new_thread.SetPrio(prio); new_thread.SetPrio(prio);