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Emulate memory behavior of libSceGnmDriver initialization (#2807)

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* Emulate memory behavior of libSceGnmDriver _DT_INIT

Due to the unique way some games check for sceKernelAllocateDirectMemory failures, emulating this properly is necessary.

* Clang

* Fix address input for direct memory call

* Fix bug with DirectQueryAvailable

Missed this in my prior PR.

* DirectQueryAvailable fix

Fixes error cases to be more hardware accurate.
This commit is contained in:
Stephen Miller
2025-04-18 15:41:33 -05:00
committed by GitHub
parent 23c616c647
commit 0feb2e7211
4 changed files with 16 additions and 10 deletions
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6
src/core/libraries/kernel/memory.cpp
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@@ -106,12 +106,6 @@ s32 PS4_SYSV_ABI sceKernelAvailableDirectMemorySize(u64 searchStart, u64 searchE
if (physAddrOut == nullptr || sizeOut == nullptr) {
return ORBIS_KERNEL_ERROR_EINVAL;
}
if (searchEnd > sceKernelGetDirectMemorySize()) {
return ORBIS_KERNEL_ERROR_EINVAL;
}
if (searchEnd <= searchStart) {
return ORBIS_KERNEL_ERROR_ENOMEM;
}
auto* memory = Core::Memory::Instance();