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[rpcsx-os] dmem: WIP allocateMainDirectMemory implementation

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This commit is contained in:
DH 2023-07-30 00:33:01 +03:00
parent 5d87f3e3fd
commit f65697769b
1 changed files with 35 additions and 2 deletions
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37
rpcsx-os/iodev/dmem.cpp
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@ -1,6 +1,7 @@
#include "io-device.hpp"
#include "orbis/KernelAllocator.hpp"
#include "orbis/file.hpp"
#include "orbis/thread/Thread.hpp"
#include "orbis/utils/Logs.hpp"
#include "orbis/utils/SharedMutex.hpp"
#include "vm.hpp"
@ -80,10 +81,42 @@ static orbis::ErrorCode dmem_ioctl(orbis::File *file, std::uint64_t request,
return {};
}
default:
ORBIS_LOG_FATAL("Unhandled dmem ioctl", device->index, request);
case 0xc020a801: {
struct Args {
std::uint64_t len;
std::uint64_t searchStart;
std::uint64_t searchEnd;
std::uint32_t alignment;
};
auto args = reinterpret_cast<Args *>(argp);
ORBIS_LOG_TODO("dmem memory pool expand", device->index, args->len,
args->searchStart, args->searchEnd, args->alignment);
return {};
}
case 0xc0288011: {
auto args = reinterpret_cast<AllocateDirectMemoryArgs *>(argp);
// TODO
auto alignedOffset =
(device->nextOffset + args->alignment - 1) & ~(args->alignment - 1);
ORBIS_LOG_ERROR("dmem allocateMainDirectMemory", device->index,
args->searchStart, args->searchEnd, args->len,
args->alignment, args->memoryType, alignedOffset);
if (alignedOffset + args->len > dmemSize) {
return orbis::ErrorCode::NOMEM;
}
args->searchStart = alignedOffset;
device->nextOffset = alignedOffset + args->len;
return {};
}
}
thread->where();
ORBIS_LOG_FATAL("Unhandled dmem ioctl", device->index, request);
return {};
}
static orbis::ErrorCode dmem_mmap(orbis::File *file, void **address,