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Fixed TLS for PPU threads

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This commit is contained in:
Nekotekina 2015-01-30 23:01:13 +03:00
parent 2be045593a
commit 4ea1b8cffc
4 changed files with 72 additions and 3 deletions
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60
rpcs3/Emu/SysCalls/Modules/sysPrxForUser.cpp
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@ -23,11 +23,62 @@
Module *sysPrxForUser = nullptr;
u32 g_tls_size; // size of every thread's storage
u32 g_tls_start; // start of TLS memory area
u32 g_tls_image_addr; // address of TLS initialization area
u32 g_tls_image_size; // size of TLS initialization area
const u32 TLS_MAX = 256;
std::array<std::atomic<u32>, TLS_MAX> g_tls_owners;
void sys_initialize_tls()
{
sysPrxForUser->Log("sys_initialize_tls()");
}
u32 ppu_get_tls(u32 thread)
{
if (!g_tls_start)
{
g_tls_size = vm::cast(Emu.GetTLSMemsz(), "Emu.GetTLSMemsz"); // (not an address for vm::cast, but fine)
g_tls_start = vm::cast(Memory.Alloc(g_tls_size * TLS_MAX, 4096)); // memory for up to TLS_MAX threads
g_tls_image_addr = vm::cast(Emu.GetTLSAddr(), "Emu.GetTLSAddr");
g_tls_image_size = vm::cast(Emu.GetTLSFilesz(), "Emu.GetTLSFilesz");
sysPrxForUser->Warning("TLS initialized (g_tls_size=0x%x, g_tls_start=0x%x, g_tls_image_addr=0x%x, g_tls_image_size=0x%x)", g_tls_size, g_tls_start, g_tls_image_addr, g_tls_image_size);
}
for (auto& v : g_tls_owners)
{
u32 old = 0;
if (v.compare_exchange_strong(old, thread))
{
const u32 addr = g_tls_start + (&v - g_tls_owners.data()) * g_tls_size; // get TLS address
memset(vm::get_ptr(addr), 0, g_tls_size); // fill TLS area with zeros
memcpy(vm::get_ptr(addr), vm::get_ptr(g_tls_image_addr), g_tls_image_size); // initialize from TLS image
return addr;
}
else if (old == thread)
{
return g_tls_start + (&v - g_tls_owners.data()) * g_tls_size; // if already initialized, return TLS address again
}
}
throw "Out of TLS memory";
}
void ppu_free_tls(u32 thread)
{
for (auto& v : g_tls_owners)
{
u32 old = thread;
if (v.compare_exchange_strong(old, 0))
{
return;
}
}
}
int _sys_heap_create_heap(const u32 heap_addr, const u32 align, const u32 size)
{
sysPrxForUser->Warning("_sys_heap_create_heap(heap_addr=0x%x, align=0x%x, size=0x%x)", heap_addr, align, size);
@ -365,6 +416,15 @@ void sysPrxForUser_init(Module *pxThis)
{
sysPrxForUser = pxThis;
g_tls_size = 0;
g_tls_start = 0;
g_tls_image_addr = 0;
g_tls_image_size = 0;
for (auto& v : g_tls_owners)
{
v.store(0, std::memory_order_relaxed);
}
// Setup random number generator
srand(time(NULL));