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Code Issues Releases Wiki Activity

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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6
rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
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@ -18,6 +18,8 @@ namespace sce_libc_func
{
sceLibc.Error("__cxa_atexit(func=0x%x, arg=0x%x, dso=0x%x)", func, arg, dso);
LV2_LOCK(0);
g_atexit.insert(g_atexit.begin(), [func, arg, dso](ARMv7Context& context)
{
func(context, arg);
@ -28,6 +30,8 @@ namespace sce_libc_func
{
sceLibc.Error("__aeabi_atexit(arg=0x%x, func=0x%x, dso=0x%x)", arg, func, dso);
LV2_LOCK(0);
g_atexit.insert(g_atexit.begin(), [func, arg, dso](ARMv7Context& context)
{
func(context, arg);
@ -38,6 +42,8 @@ namespace sce_libc_func
{
sceLibc.Error("exit()");
LV2_LOCK(0);
for (auto func : g_atexit)
{
func(context);

6
rpcs3/Emu/Cell/PPUThread.cpp
View File

@ -15,6 +15,9 @@
u64 rotate_mask[64][64];
extern u32 ppu_get_tls(u32 thread);
extern void ppu_free_tls(u32 thread);
PPUThread& GetCurrentPPUThread()
{
PPCThread* thread = GetCurrentPPCThread();
@ -32,6 +35,7 @@ PPUThread::PPUThread() : PPCThread(CPU_THREAD_PPU)
PPUThread::~PPUThread()
{
ppu_free_tls(GetId());
}
void PPUThread::DoReset()
@ -92,7 +96,7 @@ void PPUThread::InitRegs()
GPR[2] = rtoc;
//GPR[11] = entry;
//GPR[12] = Emu.GetMallocPageSize();
GPR[13] = Memory.PRXMem.GetStartAddr() + 0x7060;
GPR[13] = ppu_get_tls(GetId()) + 0x7000; // 0x7000 is usually subtracted from r13 to access first TLS element (details are not clear)
LR = Emu.GetCPUThreadExit();
CTR = PC;

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));

3
rpcs3/Loader/ELF64.cpp
View File

@ -356,7 +356,7 @@ namespace loader
ppu_thr_stop_data[1] = BLR();
Emu.SetCPUThreadStop(ppu_thr_stop_data.addr());
vm::write64(Memory.PRXMem.AllocAlign(0x10000), 0xDEADBEEFABADCAFE);
//vm::write64(Memory.PRXMem.AllocAlign(0x10000), 0xDEADBEEFABADCAFE);
/*
//TODO
static const int branch_size = 6 * 4;
@ -423,7 +423,6 @@ namespace loader
case 0x00000007: //TLS
Emu.SetTLSData(phdr.p_vaddr.addr(), phdr.p_filesz.value(), phdr.p_memsz.value());
LOG_ERROR(LOADER, "TLS: addr=0x%x, filesz=0x%x, memsz=0x%x", Emu.GetTLSAddr(), Emu.GetTLSFilesz(), Emu.GetTLSMemsz());
break;
case 0x60000001: //LOOS+1