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[rpcsx-os] dmem: implement direct memory query

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This commit is contained in:
DH 2023-10-18 01:10:21 +03:00
parent b7301a4630
commit ef4f11f2ad
1 changed files with 80 additions and 2 deletions
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82
rpcsx-os/iodev/dmem.cpp
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@ -57,7 +57,8 @@ static orbis::ErrorCode dmem_ioctl(orbis::File *file, std::uint64_t request,
auto args = reinterpret_cast<Args *>(argp);
return device->queryMaxFreeChunkSize(&args->searchStart, args->searchEnd, args->alignment, &args->size);
return device->queryMaxFreeChunkSize(&args->searchStart, args->searchEnd,
args->alignment, &args->size);
ORBIS_LOG_WARNING("dmem getAvailableSize", device->index, argp, dmemSize);
// args->searchStart = device->nextOffset;
@ -89,6 +90,76 @@ static orbis::ErrorCode dmem_ioctl(orbis::File *file, std::uint64_t request,
{.memoryType = 0});
return {};
}
case 0x80288012: { // direct memory query
struct DirectMemoryQueryInfo {
std::uint64_t start;
std::uint64_t end;
std::uint32_t memoryType;
};
struct Args {
std::uint32_t devIndex;
std::uint32_t flags;
std::uint32_t unk;
std::uint64_t offset;
orbis::ptr<DirectMemoryQueryInfo> info;
std::uint64_t infoSize;
};
auto args = reinterpret_cast<Args *>(argp);
ORBIS_LOG_WARNING("dmem directMemoryQuery", device->index, args->devIndex,
args->unk, args->flags, args->offset, args->info,
args->infoSize);
if (args->devIndex != device->index) {
// TODO
ORBIS_LOG_ERROR("dmem directMemoryQuery: device mismatch", device->index,
args->devIndex, args->unk, args->flags, args->offset,
args->info, args->infoSize);
return orbis::ErrorCode::INVAL;
}
if (args->infoSize != sizeof(DirectMemoryQueryInfo)) {
return orbis::ErrorCode::INVAL;
}
auto it = device->allocations.lowerBound(args->offset);
if (it == device->allocations.end()) {
return orbis::ErrorCode::ACCES;
}
auto queryInfo = *it;
if (queryInfo.payload.memoryType == 0) {
return orbis::ErrorCode::ACCES;
}
if ((args->flags & 1) == 0) {
if (queryInfo.endAddress <= args->offset) {
return orbis::ErrorCode::ACCES;
}
} else {
if (queryInfo.beginAddress > args->offset ||
queryInfo.endAddress <= args->offset) {
return orbis::ErrorCode::ACCES;
}
}
DirectMemoryQueryInfo info{
.start = queryInfo.beginAddress,
.end = queryInfo.endAddress,
.memoryType = queryInfo.payload.memoryType,
};
ORBIS_LOG_WARNING("dmem directMemoryQuery", device->index, args->devIndex,
args->unk, args->flags, args->offset, args->info,
args->infoSize, info.start, info.end, info.memoryType);
return orbis::uwrite(args->info, info);
}
}
thread->where();
@ -115,6 +186,13 @@ orbis::ErrorCode DmemDevice::allocate(std::uint64_t *start,
std::uint64_t alignment,
std::uint32_t memoryType) {
std::size_t offset = *start;
if (alignment == 0) {
alignment = 1;
}
if (searchEnd == 0) {
searchEnd = dmemTotalSize;
}
while (offset < searchEnd) {
offset += alignment - 1;
offset &= ~(alignment - 1);
@ -213,7 +291,7 @@ orbis::ErrorCode DmemDevice::queryMaxFreeChunkSize(std::uint64_t *start,
*size = resultSize;
ORBIS_LOG_WARNING("dmem queryMaxFreeChunkSize", resultOffset, resultSize);
return{};
return {};
}
orbis::ErrorCode DmemDevice::open(orbis::Ref<orbis::File> *file,