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Merge pull request #3576 from parl0v/refactor/agc-dcb-atomic-gds-0900 

refactor(agc): name zARR5aCmkoY sceAgcDcbAtomicGds_0900
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Adrià 2026-10-11 23:36:55 +02:00 committed by GitHub
parent 24ba6b1764 265c982eaa
commit 0b7b479a04
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GPG Key ID: B5690EEEBB952194
2 changed files with 2 additions and 3 deletions
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3
core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp
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@ -13,8 +13,7 @@
extern "C" {
// unknown signature
APS5_EXPORT("zARR5aCmkoY", sceAgcDcbA_zARR5aCmkoY);
void* APS5_VABI sceAgcDcbA_zARR5aCmkoY(void) {
void* APS5_VABI sceAgcDcbAtomicGds_0900(void) {
NotImplemented_nid_no_patch(__func__);
return nullptr;
}

2
docs/dev/TechnicalDebt.md
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@ -153,7 +153,7 @@ Throughout the project, every function at every stage either **does exactly what
- [Zero-stride vertex fetch range](../../core/libs/prx/libSceAgcDriver/Graphics/include/VertexInput.hpp) (libSceAgcDriver) - for a stride-0 V# with OOB_SELECT 2 the whole fetch reads memory unless NUM_RECORDS is 0; with OOB_SELECT 3 it reads zero when NUM_RECORDS is 0 and throws when the fetch only partly fits. Rules taken from the GFX10 OOB_SELECT table in Mesa [ac_descriptors.c](https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/src/amd/common/ac_descriptors.c), not measured on hardware. Whether OOB_SELECT 3 checks each dword of a multi-dword fetch separately is unknown. OOB_SELECT 0 and 1 keep the structured record checks.
- [sceAgcCbCondWrite](../../core/libs/prx/libSceAgc/Cb/src/Branch.cpp) (libSceAgc) - argument order and the 9-dword COND_WRITE layout follow the clean-room [OpenAGC](https://github.com/OpenAGC/OpenAGC/blob/main/src/game_compat.c) and [sharpemu](https://github.com/sharpemu/sharpemu/blob/main/src/SharpEmu.Libs/Agc/AgcExports.CommandPackets.cs), which agree on them; SharpProspero lists another order. The write space is accepted only as 1 (memory), the one value both encode the same way, and other values throw.
- [sceAgcGetIsTrinityMode](../../core/libs/prx/libSceAgc/Misc/src/Platform.cpp) (libSceAgc) - signature from the only PPSA26344 call (a pointer to a one-byte flag, result ignored); a null pointer throws because its error code is unknown
- [zARR5aCmkoY](../../core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp) (libSceAgc) - unknown name, signature
- [sceAgcDcbAtomicGds_0900](../../core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp) (libSceAgc) - name from its NID (`zARR5aCmkoY`), the DCB counterpart of `sceAgcAcbAtomicGds_0900`, signature unknown
- [sceAgcDcbContextStateOpGetSize](../../core/libs/prx/libSceAgc/DcbState/src/ContextState.cpp) (libSceAgc) - sizes from KytyPS5 only (5, 27, 27 and 32 dwords), equal to what `sceAgcDcbContextStateOp_0100` writes; KytyPS5 returns 0 for an operation above 3, here it throws
- [sceAgcBranchPatchSetThenTarget_0300, sceAgcBranchPatchSetElseTarget_0300](../../core/libs/prx/libSceAgc/Patch/src/Branch.cpp) (libSceAgc) - names from their NIDs (`7Wa3aeJgeVU`, `rP5xLdOf26k`); the `(packet, cachePolicy, target, sizeInDwords)` signature is inferred from PPSA28416's calls (a branch packet, 0, an aligned target, 4), with the policy stored where `sceAgcCbBranch` puts it
- [sceAgcDcbSet{Cx,Sh,Uc}RegistersIndirectGetSize](../../core/libs/prx/libSceAgc/DcbState/src/Registers.cpp) (libSceAgc) - the count argument is ignored: PPSA28416 calls them with leftover register contents (0xf5f5039c), so the real functions likely take none; the size is 20 bytes either way