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SPU LLVM: verbose patchpoints in "giga table"

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This commit is contained in:
Nekotekina 2019-10-27 13:03:27 +03:00
parent 16edb5bdd0
commit 83f253636a
2 changed files with 12 additions and 7 deletions
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17
rpcs3/Emu/Cell/SPURecompiler.cpp
View File

@ -1013,7 +1013,7 @@ spu_function_t spu_runtime::find(const u32* ls, u32 addr) const
return nullptr;
}
spu_function_t spu_runtime::make_branch_patchpoint() const
spu_function_t spu_runtime::make_branch_patchpoint(u16 data) const
{
u8* const raw = jit_runtime::alloc(16, 16);
@ -1039,8 +1039,8 @@ spu_function_t spu_runtime::make_branch_patchpoint() const
const s64 rel = reinterpret_cast<u64>(tr_branch) - reinterpret_cast<u64>(raw + 8) - 5;
std::memcpy(raw + 9, &rel, 4);
raw[13] = 0xcc;
raw[14] = 0;
raw[15] = 0;
raw[14] = data >> 8;
raw[15] = data & 0xff;
return reinterpret_cast<spu_function_t>(raw);
}
@ -1110,6 +1110,11 @@ void spu_recompiler_base::dispatch(spu_thread& spu, void*, u8* rip)
void spu_recompiler_base::branch(spu_thread& spu, void*, u8* rip)
{
if (const u32 ls_off = ((rip[6] << 8) | rip[7]) * 4)
{
LOG_TODO(SPU, "Special branch patchpoint hit.\nPlease report to the developer (0x%05x).", ls_off);
}
// Find function
const auto func = spu.jit->get_runtime().find(static_cast<u32*>(vm::base(spu.offset)), spu.pc);
@ -1144,8 +1149,8 @@ void spu_recompiler_base::branch(spu_thread& spu, void*, u8* rip)
bytes[5] = 0xcc;
}
bytes[6] = 0;
bytes[7] = 0;
bytes[6] = rip[6];
bytes[7] = rip[7];
}
else
{
@ -4652,7 +4657,7 @@ public:
if (g_cfg.core.spu_verification)
{
const std::string ppname = fmt::format("%s-chunkpp-0x%05x", m_hash, i);
m_engine->addGlobalMapping(ppname, (u64)m_spurt->make_branch_patchpoint());
m_engine->addGlobalMapping(ppname, (u64)m_spurt->make_branch_patchpoint(i / 4));
const auto ppfunc = llvm::cast<llvm::Function>(m_module->getOrInsertFunction(ppname, m_finfo->chunk->getFunctionType()).getCallee());
ppfunc->setCallingConv(m_finfo->chunk->getCallingConv());

2
rpcs3/Emu/Cell/SPURecompiler.h
View File

@ -115,7 +115,7 @@ public:
spu_function_t find(const u32* ls, u32 addr) const;
// Generate a patchable trampoline to spu_recompiler_base::branch
spu_function_t make_branch_patchpoint() const;
spu_function_t make_branch_patchpoint(u16 data = 0) const;
// All dispatchers (array allocated in jit memory)
static std::array<atomic_t<spu_function_t>, (1 << 20)>* const g_dispatcher;