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force NO fastmem

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lizzie 2025-12-01 20:07:43 +00:00
parent 9051fcb33b
commit 5d1e74533c
2 changed files with 39 additions and 17 deletions
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19
src/common/host_memory.cpp
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@ -446,16 +446,14 @@ static void* ChooseVirtualBase(size_t virtual_size) {
#else
static void* ChooseVirtualBase(size_t virtual_size) {
#if defined(__OPENORBIS__)
return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_SYSTEM, -1, 0);
#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__) || defined(__AIX__)
void* virtual_base = mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
static void* ChooseVirtualBase(size_t size) {
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__) || defined(__AIX__)
void* virtual_base = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
if (virtual_base != MAP_FAILED)
return virtual_base;
return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
return mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
#else
return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
return mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
#endif
}
@ -690,6 +688,12 @@ private:
#endif // ^^^ POSIX ^^^
HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_) : backing_size(backing_size_), virtual_size(virtual_size_) {
#ifdef __OPENORBIS__
LOG_WARNING(HW_Memory, "Platform doesn't support fastmem");
fallback_buffer = std::make_unique<Common::VirtualBuffer<u8>>(backing_size);
backing_base = fallback_buffer->data();
virtual_base = nullptr;
#else
// Try to allocate a fastmem arena.
// The implementation will fail with std::bad_alloc on errors.
impl = std::make_unique<HostMemory::Impl>(AlignUp(backing_size, PageAlignment), AlignUp(virtual_size, PageAlignment) + HugePageSize);
@ -700,6 +704,7 @@ HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_) : backing_siz
virtual_base = reinterpret_cast<u8*>(Common::AlignUp(uintptr_t(virtual_base), HugePageSize));
virtual_base_offset = virtual_base - impl->virtual_base;
}
#endif
}
HostMemory::~HostMemory() = default;