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PPU debugger: Implement PPU calling history

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Eladash 2021-07-10 11:56:48 +03:00 • committed by Megamouse
parent c2f0fbcd82
commit 8e2c34a003
8 changed files with 186 additions and 35 deletions
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28
rpcs3/Emu/Cell/PPUInterpreter.cpp
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@ -140,6 +140,22 @@ FORCE_INLINE auto ppu_feed_data(ppu_thread& ppu, u64 addr)
return value;
}
// Push called address to custom call history for debugging
inline u32 ppu_record_call(ppu_thread& ppu, u32 new_cia, ppu_opcode_t op)
{
if (!op.lk)
{
return new_cia;
}
if (auto& history = ppu.call_history; !history.data.empty())
{
history.data[history.index++ % ppu.call_history_max_size] = new_cia;
}
return new_cia;
}
// Compare 16 packed unsigned bytes (greater than)
inline __m128i sse_cmpgt_epu8(__m128i A, __m128i B)
{
@ -3085,6 +3101,10 @@ bool ppu_interpreter::BC(ppu_thread& ppu, ppu_opcode_t op)
if (ctr_ok && cond_ok)
{
// Provide additional information by using the origin of the call
// Because this is a fixed target branch there's no abiguity about it
ppu_record_call(ppu, ppu.cia, op);
ppu.cia = (op.aa ? 0 : ppu.cia) + op.bt14;
return false;
}
@ -3107,6 +3127,10 @@ bool ppu_interpreter::SC(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::B(ppu_thread& ppu, ppu_opcode_t op)
{
// Provide additional information by using the origin of the call
// Because this is a fixed target branch there's no abiguity about it
ppu_record_call(ppu, ppu.cia, op);
const u32 link = ppu.cia + 4;
ppu.cia = (op.aa ? 0 : ppu.cia) + op.bt24;
if (op.lk) ppu.lr = link;
@ -3137,7 +3161,7 @@ bool ppu_interpreter::BCLR(ppu_thread& ppu, ppu_opcode_t op)
if (ctr_ok && cond_ok)
{
ppu.cia = target;
ppu.cia = ppu_record_call(ppu, target, op);
return false;
}
else
@ -3206,7 +3230,7 @@ bool ppu_interpreter::BCCTR(ppu_thread& ppu, ppu_opcode_t op)
if (op.bo & 0x10 || ppu.cr[op.bi] == ((op.bo & 0x8) != 0))
{
ppu.cia = static_cast<u32>(ppu.ctr) & ~3;
ppu.cia = ppu_record_call(ppu, static_cast<u32>(ppu.ctr) & ~3, op);
return false;
}