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Henrik RydgårdandClaude Sonnet 5
2ee4f2fadb
Decoding a GE display list previously meant memory.read-ing the raw bytes
and hand-decoding each 32-bit command word against GPU/ge_constants.h's
GECommand enum - which is exactly what it took to find this session's
actual headline VSH boot finding (a display list that clears the screen
once, sets up per-icon render state 6 times, and never issues a single
further draw call - see docs/VSHBootInvestigation.md Attempt 22). That
manual process is real, repeatable, and error-prone by hand; PPSSPP
already has a proper GE disassembler (GPU/GeDisasm.cpp's
GeDisassembleOp(), and GPUCommon::DisassembleOpRange() built on top of
it) used by the ImGui/Windows GE debugger UI - it just wasn't reachable
from the WebSocket API.
New Core/Debugger/WebSocket/GPUDisasmSubscriber.cpp exposes
gpu->DisassembleOpRange() as gpu.displaylist.disasm, mirroring
memory.disasm's own parameter conventions (address+count or
address+end, capped at 10000 commands) and compact mode (one string per
command, "AAAAAAAA desc", instead of the full {address,cmd,op,desc}
object) added in the previous commit. GE command words live in normal
guest RAM like CPU code, so - unlike gpu.buffer.* - this doesn't require
the CPU/GPU to be paused first, matching memory.disasm's own live-read
behavior.
Added to all 6 build systems that compile the WebSocket debugger
(CMakeLists.txt, Core.vcxproj(.filters), UWP's CoreUWP.vcxproj(.filters),
android/jni/Android.mk - libretro doesn't build any Debugger/WebSocket
files at all, so nothing to add there).
Verified live via PPSSPPHeadless + wsdbg against a real demo ELF: both
compact and full-JSON modes correctly decode real GE command words (NOP/
NOP_FF) with no errors. UnitTest.exe all: 49/49 passed.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GZq8ZtJmFY7bkX5FVkr3P9
25 lines
948 B
C
25 lines
948 B
C
// Copyright (c) 2026- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "Core/Debugger/WebSocket/WebSocketUtils.h"
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DebuggerSubscriber *WebSocketGPUDisasmInit(DebuggerEventHandlerMap &map);
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void WebSocketGPUDisplayListDisasm(DebuggerRequest &req);
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